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https://github.com/python-pillow/Pillow.git
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Parametrize tests
This commit is contained in:
Andrew Murray
parent
0f3e8e5573
commit
0ed03d4a58
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@ -325,8 +325,9 @@ def test_apng_syntax_errors():
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pytest.warns(UserWarning, open)
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def test_apng_sequence_errors():
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test_files = [
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@pytest.mark.parametrize(
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"f",
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(
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"sequence_start.png",
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"sequence_gap.png",
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"sequence_repeat.png",
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@ -334,12 +335,13 @@ def test_apng_sequence_errors():
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"sequence_reorder.png",
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"sequence_reorder_chunk.png",
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"sequence_fdat_fctl.png",
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]
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for f in test_files:
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with pytest.raises(SyntaxError):
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with Image.open(f"Tests/images/apng/{f}") as im:
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im.seek(im.n_frames - 1)
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im.load()
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),
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)
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def test_apng_sequence_errors(f):
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with pytest.raises(SyntaxError):
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with Image.open(f"Tests/images/apng/{f}") as im:
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im.seek(im.n_frames - 1)
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im.load()
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def test_apng_save(tmp_path):
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@ -1,3 +1,5 @@
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import pytest
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from PIL import ContainerIO, Image
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from .helper import hopper
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@ -59,89 +61,89 @@ def test_seek_mode_2():
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assert container.tell() == 100
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def test_read_n0():
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@pytest.mark.parametrize("bytesmode", (True, False))
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def test_read_n0(bytesmode):
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# Arrange
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for bytesmode in (True, False):
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with open(TEST_FILE, "rb" if bytesmode else "r") as fh:
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container = ContainerIO.ContainerIO(fh, 22, 100)
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with open(TEST_FILE, "rb" if bytesmode else "r") as fh:
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container = ContainerIO.ContainerIO(fh, 22, 100)
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# Act
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container.seek(81)
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data = container.read()
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# Act
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container.seek(81)
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data = container.read()
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# Assert
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if bytesmode:
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data = data.decode()
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assert data == "7\nThis is line 8\n"
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# Assert
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if bytesmode:
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data = data.decode()
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assert data == "7\nThis is line 8\n"
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def test_read_n():
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@pytest.mark.parametrize("bytesmode", (True, False))
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def test_read_n(bytesmode):
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# Arrange
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for bytesmode in (True, False):
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with open(TEST_FILE, "rb" if bytesmode else "r") as fh:
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container = ContainerIO.ContainerIO(fh, 22, 100)
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with open(TEST_FILE, "rb" if bytesmode else "r") as fh:
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container = ContainerIO.ContainerIO(fh, 22, 100)
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# Act
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container.seek(81)
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data = container.read(3)
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# Act
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container.seek(81)
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data = container.read(3)
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# Assert
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if bytesmode:
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data = data.decode()
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assert data == "7\nT"
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# Assert
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if bytesmode:
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data = data.decode()
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assert data == "7\nT"
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def test_read_eof():
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@pytest.mark.parametrize("bytesmode", (True, False))
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def test_read_eof(bytesmode):
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# Arrange
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for bytesmode in (True, False):
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with open(TEST_FILE, "rb" if bytesmode else "r") as fh:
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container = ContainerIO.ContainerIO(fh, 22, 100)
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with open(TEST_FILE, "rb" if bytesmode else "r") as fh:
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container = ContainerIO.ContainerIO(fh, 22, 100)
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# Act
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container.seek(100)
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data = container.read()
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# Act
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container.seek(100)
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data = container.read()
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# Assert
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if bytesmode:
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data = data.decode()
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assert data == ""
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# Assert
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if bytesmode:
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data = data.decode()
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assert data == ""
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def test_readline():
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@pytest.mark.parametrize("bytesmode", (True, False))
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def test_readline(bytesmode):
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# Arrange
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for bytesmode in (True, False):
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with open(TEST_FILE, "rb" if bytesmode else "r") as fh:
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container = ContainerIO.ContainerIO(fh, 0, 120)
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with open(TEST_FILE, "rb" if bytesmode else "r") as fh:
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container = ContainerIO.ContainerIO(fh, 0, 120)
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# Act
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data = container.readline()
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# Act
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data = container.readline()
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# Assert
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if bytesmode:
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data = data.decode()
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assert data == "This is line 1\n"
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# Assert
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if bytesmode:
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data = data.decode()
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assert data == "This is line 1\n"
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def test_readlines():
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@pytest.mark.parametrize("bytesmode", (True, False))
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def test_readlines(bytesmode):
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# Arrange
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for bytesmode in (True, False):
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expected = [
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"This is line 1\n",
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"This is line 2\n",
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"This is line 3\n",
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"This is line 4\n",
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"This is line 5\n",
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"This is line 6\n",
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"This is line 7\n",
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"This is line 8\n",
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]
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with open(TEST_FILE, "rb" if bytesmode else "r") as fh:
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container = ContainerIO.ContainerIO(fh, 0, 120)
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expected = [
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"This is line 1\n",
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"This is line 2\n",
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"This is line 3\n",
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"This is line 4\n",
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"This is line 5\n",
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"This is line 6\n",
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"This is line 7\n",
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"This is line 8\n",
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]
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with open(TEST_FILE, "rb" if bytesmode else "r") as fh:
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container = ContainerIO.ContainerIO(fh, 0, 120)
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# Act
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data = container.readlines()
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# Act
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data = container.readlines()
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# Assert
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if bytesmode:
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data = [line.decode() for line in data]
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assert data == expected
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# Assert
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if bytesmode:
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data = [line.decode() for line in data]
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assert data == expected
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@ -78,15 +78,12 @@ def test_eoferror():
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im.seek(n_frames - 1)
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def test_roundtrip(tmp_path):
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def roundtrip(mode):
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out = str(tmp_path / "temp.im")
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im = hopper(mode)
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im.save(out)
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assert_image_equal_tofile(im, out)
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for mode in ["RGB", "P", "PA"]:
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roundtrip(mode)
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@pytest.mark.parametrize("mode", ("RGB", "P", "PA"))
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def test_roundtrip(mode, tmp_path):
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out = str(tmp_path / "temp.im")
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im = hopper(mode)
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im.save(out)
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assert_image_equal_tofile(im, out)
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def test_save_unsupported_mode(tmp_path):
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@ -135,50 +135,50 @@ class TestFileLibTiff(LibTiffTestCase):
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assert_image_equal_tofile(im, "Tests/images/tiff_adobe_deflate.png")
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def test_write_metadata(self, tmp_path):
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@pytest.mark.parametrize("legacy_api", (False, True))
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def test_write_metadata(self, legacy_api, tmp_path):
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"""Test metadata writing through libtiff"""
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for legacy_api in [False, True]:
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f = str(tmp_path / "temp.tiff")
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with Image.open("Tests/images/hopper_g4.tif") as img:
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img.save(f, tiffinfo=img.tag)
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f = str(tmp_path / "temp.tiff")
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with Image.open("Tests/images/hopper_g4.tif") as img:
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img.save(f, tiffinfo=img.tag)
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if legacy_api:
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original = img.tag.named()
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else:
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original = img.tag_v2.named()
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if legacy_api:
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original = img.tag.named()
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else:
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original = img.tag_v2.named()
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# PhotometricInterpretation is set from SAVE_INFO,
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# not the original image.
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ignored = [
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"StripByteCounts",
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"RowsPerStrip",
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"PageNumber",
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"PhotometricInterpretation",
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]
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# PhotometricInterpretation is set from SAVE_INFO,
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# not the original image.
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ignored = [
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"StripByteCounts",
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"RowsPerStrip",
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"PageNumber",
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"PhotometricInterpretation",
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]
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with Image.open(f) as loaded:
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if legacy_api:
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reloaded = loaded.tag.named()
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else:
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reloaded = loaded.tag_v2.named()
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with Image.open(f) as loaded:
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if legacy_api:
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reloaded = loaded.tag.named()
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else:
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reloaded = loaded.tag_v2.named()
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for tag, value in itertools.chain(reloaded.items(), original.items()):
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if tag not in ignored:
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val = original[tag]
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if tag.endswith("Resolution"):
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if legacy_api:
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assert val[0][0] / val[0][1] == (
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4294967295 / 113653537
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), f"{tag} didn't roundtrip"
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else:
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assert val == 37.79000115940079, f"{tag} didn't roundtrip"
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for tag, value in itertools.chain(reloaded.items(), original.items()):
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if tag not in ignored:
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val = original[tag]
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if tag.endswith("Resolution"):
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if legacy_api:
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assert val[0][0] / val[0][1] == (
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4294967295 / 113653537
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), f"{tag} didn't roundtrip"
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else:
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assert val == value, f"{tag} didn't roundtrip"
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assert val == 37.79000115940079, f"{tag} didn't roundtrip"
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else:
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assert val == value, f"{tag} didn't roundtrip"
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# https://github.com/python-pillow/Pillow/issues/1561
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requested_fields = ["StripByteCounts", "RowsPerStrip", "StripOffsets"]
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for field in requested_fields:
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assert field in reloaded, f"{field} not in metadata"
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# https://github.com/python-pillow/Pillow/issues/1561
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requested_fields = ["StripByteCounts", "RowsPerStrip", "StripOffsets"]
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for field in requested_fields:
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assert field in reloaded, f"{field} not in metadata"
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@pytest.mark.valgrind_known_error(reason="Known invalid metadata")
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def test_additional_metadata(self, tmp_path):
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@ -27,13 +27,13 @@ def roundtrip(im, **options):
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return im
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def test_sanity():
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for test_file in test_files:
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with Image.open(test_file) as im:
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im.load()
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assert im.mode == "RGB"
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assert im.size == (640, 480)
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assert im.format == "MPO"
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@pytest.mark.parametrize("test_file", test_files)
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def test_sanity(test_file):
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with Image.open(test_file) as im:
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im.load()
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assert im.mode == "RGB"
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assert im.size == (640, 480)
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assert im.format == "MPO"
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@pytest.mark.skipif(is_pypy(), reason="Requires CPython")
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@ -66,26 +66,25 @@ def test_context_manager():
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im.load()
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def test_app():
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for test_file in test_files:
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# Test APP/COM reader (@PIL135)
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with Image.open(test_file) as im:
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assert im.applist[0][0] == "APP1"
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assert im.applist[1][0] == "APP2"
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assert (
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im.applist[1][1][:16]
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== b"MPF\x00MM\x00*\x00\x00\x00\x08\x00\x03\xb0\x00"
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)
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assert len(im.applist) == 2
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@pytest.mark.parametrize("test_file", test_files)
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def test_app(test_file):
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# Test APP/COM reader (@PIL135)
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with Image.open(test_file) as im:
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assert im.applist[0][0] == "APP1"
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assert im.applist[1][0] == "APP2"
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assert (
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im.applist[1][1][:16] == b"MPF\x00MM\x00*\x00\x00\x00\x08\x00\x03\xb0\x00"
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)
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assert len(im.applist) == 2
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def test_exif():
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for test_file in test_files:
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with Image.open(test_file) as im:
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info = im._getexif()
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assert info[272] == "Nintendo 3DS"
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assert info[296] == 2
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assert info[34665] == 188
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@pytest.mark.parametrize("test_file", test_files)
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def test_exif(test_file):
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with Image.open(test_file) as im:
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info = im._getexif()
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assert info[272] == "Nintendo 3DS"
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assert info[296] == 2
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assert info[34665] == 188
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def test_frame_size():
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@ -137,12 +136,12 @@ def test_reload_exif_after_seek():
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assert 296 in exif
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def test_mp():
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for test_file in test_files:
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with Image.open(test_file) as im:
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mpinfo = im._getmp()
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assert mpinfo[45056] == b"0100"
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assert mpinfo[45057] == 2
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@pytest.mark.parametrize("test_file", test_files)
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def test_mp(test_file):
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with Image.open(test_file) as im:
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mpinfo = im._getmp()
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assert mpinfo[45056] == b"0100"
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assert mpinfo[45057] == 2
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def test_mp_offset():
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@ -162,48 +161,48 @@ def test_mp_no_data():
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im.seek(1)
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def test_mp_attribute():
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for test_file in test_files:
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with Image.open(test_file) as im:
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mpinfo = im._getmp()
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frame_number = 0
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for mpentry in mpinfo[0xB002]:
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mpattr = mpentry["Attribute"]
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if frame_number:
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assert not mpattr["RepresentativeImageFlag"]
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else:
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assert mpattr["RepresentativeImageFlag"]
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assert not mpattr["DependentParentImageFlag"]
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assert not mpattr["DependentChildImageFlag"]
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assert mpattr["ImageDataFormat"] == "JPEG"
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assert mpattr["MPType"] == "Multi-Frame Image: (Disparity)"
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assert mpattr["Reserved"] == 0
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frame_number += 1
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@pytest.mark.parametrize("test_file", test_files)
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def test_mp_attribute(test_file):
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with Image.open(test_file) as im:
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mpinfo = im._getmp()
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frame_number = 0
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for mpentry in mpinfo[0xB002]:
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mpattr = mpentry["Attribute"]
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if frame_number:
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assert not mpattr["RepresentativeImageFlag"]
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else:
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assert mpattr["RepresentativeImageFlag"]
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assert not mpattr["DependentParentImageFlag"]
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assert not mpattr["DependentChildImageFlag"]
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assert mpattr["ImageDataFormat"] == "JPEG"
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assert mpattr["MPType"] == "Multi-Frame Image: (Disparity)"
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assert mpattr["Reserved"] == 0
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frame_number += 1
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def test_seek():
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for test_file in test_files:
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with Image.open(test_file) as im:
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assert im.tell() == 0
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# prior to first image raises an error, both blatant and borderline
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with pytest.raises(EOFError):
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im.seek(-1)
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with pytest.raises(EOFError):
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im.seek(-523)
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# after the final image raises an error,
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# both blatant and borderline
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with pytest.raises(EOFError):
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im.seek(2)
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with pytest.raises(EOFError):
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im.seek(523)
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# bad calls shouldn't change the frame
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assert im.tell() == 0
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# this one will work
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im.seek(1)
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assert im.tell() == 1
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# and this one, too
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im.seek(0)
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assert im.tell() == 0
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@pytest.mark.parametrize("test_file", test_files)
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def test_seek(test_file):
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with Image.open(test_file) as im:
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assert im.tell() == 0
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# prior to first image raises an error, both blatant and borderline
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with pytest.raises(EOFError):
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im.seek(-1)
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with pytest.raises(EOFError):
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im.seek(-523)
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# after the final image raises an error,
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# both blatant and borderline
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with pytest.raises(EOFError):
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im.seek(2)
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with pytest.raises(EOFError):
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im.seek(523)
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# bad calls shouldn't change the frame
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assert im.tell() == 0
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||||
# this one will work
|
||||
im.seek(1)
|
||||
assert im.tell() == 1
|
||||
# and this one, too
|
||||
im.seek(0)
|
||||
assert im.tell() == 0
|
||||
|
||||
|
||||
def test_n_frames():
|
||||
|
|
@ -225,31 +224,31 @@ def test_eoferror():
|
|||
im.seek(n_frames - 1)
|
||||
|
||||
|
||||
def test_image_grab():
|
||||
for test_file in test_files:
|
||||
with Image.open(test_file) as im:
|
||||
assert im.tell() == 0
|
||||
im0 = im.tobytes()
|
||||
im.seek(1)
|
||||
assert im.tell() == 1
|
||||
im1 = im.tobytes()
|
||||
im.seek(0)
|
||||
assert im.tell() == 0
|
||||
im02 = im.tobytes()
|
||||
assert im0 == im02
|
||||
assert im0 != im1
|
||||
@pytest.mark.parametrize("test_file", test_files)
|
||||
def test_image_grab(test_file):
|
||||
with Image.open(test_file) as im:
|
||||
assert im.tell() == 0
|
||||
im0 = im.tobytes()
|
||||
im.seek(1)
|
||||
assert im.tell() == 1
|
||||
im1 = im.tobytes()
|
||||
im.seek(0)
|
||||
assert im.tell() == 0
|
||||
im02 = im.tobytes()
|
||||
assert im0 == im02
|
||||
assert im0 != im1
|
||||
|
||||
|
||||
def test_save():
|
||||
for test_file in test_files:
|
||||
with Image.open(test_file) as im:
|
||||
assert im.tell() == 0
|
||||
jpg0 = roundtrip(im)
|
||||
assert_image_similar(im, jpg0, 30)
|
||||
im.seek(1)
|
||||
assert im.tell() == 1
|
||||
jpg1 = roundtrip(im)
|
||||
assert_image_similar(im, jpg1, 30)
|
||||
@pytest.mark.parametrize("test_file", test_files)
|
||||
def test_save(test_file):
|
||||
with Image.open(test_file) as im:
|
||||
assert im.tell() == 0
|
||||
jpg0 = roundtrip(im)
|
||||
assert_image_similar(im, jpg0, 30)
|
||||
im.seek(1)
|
||||
assert im.tell() == 1
|
||||
jpg1 = roundtrip(im)
|
||||
assert_image_similar(im, jpg1, 30)
|
||||
|
||||
|
||||
def test_save_all():
|
||||
|
|
|
|||
|
|
@ -18,51 +18,48 @@ _ORIGINS = ("tl", "bl")
|
|||
_ORIGIN_TO_ORIENTATION = {"tl": 1, "bl": -1}
|
||||
|
||||
|
||||
def test_sanity(tmp_path):
|
||||
for mode in _MODES:
|
||||
@pytest.mark.parametrize("mode", _MODES)
|
||||
def test_sanity(mode, tmp_path):
|
||||
def roundtrip(original_im):
|
||||
out = str(tmp_path / "temp.tga")
|
||||
|
||||
def roundtrip(original_im):
|
||||
out = str(tmp_path / "temp.tga")
|
||||
original_im.save(out, rle=rle)
|
||||
with Image.open(out) as saved_im:
|
||||
if rle:
|
||||
assert saved_im.info["compression"] == original_im.info["compression"]
|
||||
assert saved_im.info["orientation"] == original_im.info["orientation"]
|
||||
if mode == "P":
|
||||
assert saved_im.getpalette() == original_im.getpalette()
|
||||
|
||||
original_im.save(out, rle=rle)
|
||||
with Image.open(out) as saved_im:
|
||||
if rle:
|
||||
assert_image_equal(saved_im, original_im)
|
||||
|
||||
png_paths = glob(os.path.join(_TGA_DIR_COMMON, f"*x*_{mode.lower()}.png"))
|
||||
|
||||
for png_path in png_paths:
|
||||
with Image.open(png_path) as reference_im:
|
||||
assert reference_im.mode == mode
|
||||
|
||||
path_no_ext = os.path.splitext(png_path)[0]
|
||||
for origin, rle in product(_ORIGINS, (True, False)):
|
||||
tga_path = "{}_{}_{}.tga".format(
|
||||
path_no_ext, origin, "rle" if rle else "raw"
|
||||
)
|
||||
|
||||
with Image.open(tga_path) as original_im:
|
||||
assert original_im.format == "TGA"
|
||||
assert original_im.get_format_mimetype() == "image/x-tga"
|
||||
if rle:
|
||||
assert original_im.info["compression"] == "tga_rle"
|
||||
assert (
|
||||
saved_im.info["compression"] == original_im.info["compression"]
|
||||
original_im.info["orientation"]
|
||||
== _ORIGIN_TO_ORIENTATION[origin]
|
||||
)
|
||||
assert saved_im.info["orientation"] == original_im.info["orientation"]
|
||||
if mode == "P":
|
||||
assert saved_im.getpalette() == original_im.getpalette()
|
||||
if mode == "P":
|
||||
assert original_im.getpalette() == reference_im.getpalette()
|
||||
|
||||
assert_image_equal(saved_im, original_im)
|
||||
assert_image_equal(original_im, reference_im)
|
||||
|
||||
png_paths = glob(os.path.join(_TGA_DIR_COMMON, f"*x*_{mode.lower()}.png"))
|
||||
|
||||
for png_path in png_paths:
|
||||
with Image.open(png_path) as reference_im:
|
||||
assert reference_im.mode == mode
|
||||
|
||||
path_no_ext = os.path.splitext(png_path)[0]
|
||||
for origin, rle in product(_ORIGINS, (True, False)):
|
||||
tga_path = "{}_{}_{}.tga".format(
|
||||
path_no_ext, origin, "rle" if rle else "raw"
|
||||
)
|
||||
|
||||
with Image.open(tga_path) as original_im:
|
||||
assert original_im.format == "TGA"
|
||||
assert original_im.get_format_mimetype() == "image/x-tga"
|
||||
if rle:
|
||||
assert original_im.info["compression"] == "tga_rle"
|
||||
assert (
|
||||
original_im.info["orientation"]
|
||||
== _ORIGIN_TO_ORIENTATION[origin]
|
||||
)
|
||||
if mode == "P":
|
||||
assert original_im.getpalette() == reference_im.getpalette()
|
||||
|
||||
assert_image_equal(original_im, reference_im)
|
||||
|
||||
roundtrip(original_im)
|
||||
roundtrip(original_im)
|
||||
|
||||
|
||||
def test_palette_depth_16(tmp_path):
|
||||
|
|
|
|||
|
|
@ -66,10 +66,10 @@ def test_load_set_dpi():
|
|||
assert_image_similar_tofile(im, "Tests/images/drawing_wmf_ref_144.png", 2.1)
|
||||
|
||||
|
||||
def test_save(tmp_path):
|
||||
@pytest.mark.parametrize("ext", (".wmf", ".emf"))
|
||||
def test_save(ext, tmp_path):
|
||||
im = hopper()
|
||||
|
||||
for ext in [".wmf", ".emf"]:
|
||||
tmpfile = str(tmp_path / ("temp" + ext))
|
||||
with pytest.raises(OSError):
|
||||
im.save(tmpfile)
|
||||
tmpfile = str(tmp_path / ("temp" + ext))
|
||||
with pytest.raises(OSError):
|
||||
im.save(tmpfile)
|
||||
|
|
|
|||
|
|
@ -22,8 +22,9 @@ from .helper import (
|
|||
|
||||
|
||||
class TestImage:
|
||||
def test_image_modes_success(self):
|
||||
for mode in [
|
||||
@pytest.mark.parametrize(
|
||||
"mode",
|
||||
(
|
||||
"1",
|
||||
"P",
|
||||
"PA",
|
||||
|
|
@ -44,22 +45,18 @@ class TestImage:
|
|||
"YCbCr",
|
||||
"LAB",
|
||||
"HSV",
|
||||
]:
|
||||
Image.new(mode, (1, 1))
|
||||
),
|
||||
)
|
||||
def test_image_modes_success(self, mode):
|
||||
Image.new(mode, (1, 1))
|
||||
|
||||
def test_image_modes_fail(self):
|
||||
for mode in [
|
||||
"",
|
||||
"bad",
|
||||
"very very long",
|
||||
"BGR;15",
|
||||
"BGR;16",
|
||||
"BGR;24",
|
||||
"BGR;32",
|
||||
]:
|
||||
with pytest.raises(ValueError) as e:
|
||||
Image.new(mode, (1, 1))
|
||||
assert str(e.value) == "unrecognized image mode"
|
||||
@pytest.mark.parametrize(
|
||||
"mode", ("", "bad", "very very long", "BGR;15", "BGR;16", "BGR;24", "BGR;32")
|
||||
)
|
||||
def test_image_modes_fail(self, mode):
|
||||
with pytest.raises(ValueError) as e:
|
||||
Image.new(mode, (1, 1))
|
||||
assert str(e.value) == "unrecognized image mode"
|
||||
|
||||
def test_exception_inheritance(self):
|
||||
assert issubclass(UnidentifiedImageError, OSError)
|
||||
|
|
@ -539,23 +536,22 @@ class TestImage:
|
|||
with pytest.raises(ValueError):
|
||||
Image.linear_gradient(wrong_mode)
|
||||
|
||||
def test_linear_gradient(self):
|
||||
|
||||
@pytest.mark.parametrize("mode", ("L", "P", "I", "F"))
|
||||
def test_linear_gradient(self, mode):
|
||||
# Arrange
|
||||
target_file = "Tests/images/linear_gradient.png"
|
||||
for mode in ["L", "P", "I", "F"]:
|
||||
|
||||
# Act
|
||||
im = Image.linear_gradient(mode)
|
||||
# Act
|
||||
im = Image.linear_gradient(mode)
|
||||
|
||||
# Assert
|
||||
assert im.size == (256, 256)
|
||||
assert im.mode == mode
|
||||
assert im.getpixel((0, 0)) == 0
|
||||
assert im.getpixel((255, 255)) == 255
|
||||
with Image.open(target_file) as target:
|
||||
target = target.convert(mode)
|
||||
assert_image_equal(im, target)
|
||||
# Assert
|
||||
assert im.size == (256, 256)
|
||||
assert im.mode == mode
|
||||
assert im.getpixel((0, 0)) == 0
|
||||
assert im.getpixel((255, 255)) == 255
|
||||
with Image.open(target_file) as target:
|
||||
target = target.convert(mode)
|
||||
assert_image_equal(im, target)
|
||||
|
||||
def test_radial_gradient_wrong_mode(self):
|
||||
# Arrange
|
||||
|
|
@ -565,23 +561,22 @@ class TestImage:
|
|||
with pytest.raises(ValueError):
|
||||
Image.radial_gradient(wrong_mode)
|
||||
|
||||
def test_radial_gradient(self):
|
||||
|
||||
@pytest.mark.parametrize("mode", ("L", "P", "I", "F"))
|
||||
def test_radial_gradient(self, mode):
|
||||
# Arrange
|
||||
target_file = "Tests/images/radial_gradient.png"
|
||||
for mode in ["L", "P", "I", "F"]:
|
||||
|
||||
# Act
|
||||
im = Image.radial_gradient(mode)
|
||||
# Act
|
||||
im = Image.radial_gradient(mode)
|
||||
|
||||
# Assert
|
||||
assert im.size == (256, 256)
|
||||
assert im.mode == mode
|
||||
assert im.getpixel((0, 0)) == 255
|
||||
assert im.getpixel((128, 128)) == 0
|
||||
with Image.open(target_file) as target:
|
||||
target = target.convert(mode)
|
||||
assert_image_equal(im, target)
|
||||
# Assert
|
||||
assert im.size == (256, 256)
|
||||
assert im.mode == mode
|
||||
assert im.getpixel((0, 0)) == 255
|
||||
assert im.getpixel((128, 128)) == 0
|
||||
with Image.open(target_file) as target:
|
||||
target = target.convert(mode)
|
||||
assert_image_equal(im, target)
|
||||
|
||||
def test_register_extensions(self):
|
||||
test_format = "a"
|
||||
|
|
|
|||
|
|
@ -184,8 +184,9 @@ class TestImageGetPixel(AccessTest):
|
|||
with pytest.raises(error):
|
||||
im.getpixel((-1, -1))
|
||||
|
||||
def test_basic(self):
|
||||
for mode in (
|
||||
@pytest.mark.parametrize(
|
||||
"mode",
|
||||
(
|
||||
"1",
|
||||
"L",
|
||||
"LA",
|
||||
|
|
@ -200,23 +201,25 @@ class TestImageGetPixel(AccessTest):
|
|||
"RGBX",
|
||||
"CMYK",
|
||||
"YCbCr",
|
||||
):
|
||||
self.check(mode)
|
||||
),
|
||||
)
|
||||
def test_basic(self, mode):
|
||||
self.check(mode)
|
||||
|
||||
def test_signedness(self):
|
||||
@pytest.mark.parametrize("mode", ("I;16", "I;16B"))
|
||||
def test_signedness(self, mode):
|
||||
# see https://github.com/python-pillow/Pillow/issues/452
|
||||
# pixelaccess is using signed int* instead of uint*
|
||||
for mode in ("I;16", "I;16B"):
|
||||
self.check(mode, 2**15 - 1)
|
||||
self.check(mode, 2**15)
|
||||
self.check(mode, 2**15 + 1)
|
||||
self.check(mode, 2**16 - 1)
|
||||
self.check(mode, 2**15 - 1)
|
||||
self.check(mode, 2**15)
|
||||
self.check(mode, 2**15 + 1)
|
||||
self.check(mode, 2**16 - 1)
|
||||
|
||||
def test_p_putpixel_rgb_rgba(self):
|
||||
for color in [(255, 0, 0), (255, 0, 0, 255)]:
|
||||
im = Image.new("P", (1, 1), 0)
|
||||
im.putpixel((0, 0), color)
|
||||
assert im.convert("RGB").getpixel((0, 0)) == (255, 0, 0)
|
||||
@pytest.mark.parametrize("color", ((255, 0, 0), (255, 0, 0, 255)))
|
||||
def test_p_putpixel_rgb_rgba(self, color):
|
||||
im = Image.new("P", (1, 1), 0)
|
||||
im.putpixel((0, 0), color)
|
||||
assert im.convert("RGB").getpixel((0, 0)) == (255, 0, 0)
|
||||
|
||||
|
||||
@pytest.mark.skipif(cffi is None, reason="No CFFI")
|
||||
|
|
|
|||
|
|
@ -268,36 +268,33 @@ def test_matrix_wrong_mode():
|
|||
im.convert(mode="L", matrix=matrix)
|
||||
|
||||
|
||||
def test_matrix_xyz():
|
||||
def matrix_convert(mode):
|
||||
# Arrange
|
||||
im = hopper("RGB")
|
||||
im.info["transparency"] = (255, 0, 0)
|
||||
# fmt: off
|
||||
matrix = (
|
||||
0.412453, 0.357580, 0.180423, 0,
|
||||
0.212671, 0.715160, 0.072169, 0,
|
||||
0.019334, 0.119193, 0.950227, 0)
|
||||
# fmt: on
|
||||
assert im.mode == "RGB"
|
||||
@pytest.mark.parametrize("mode", ("RGB", "L"))
|
||||
def test_matrix_xyz(mode):
|
||||
# Arrange
|
||||
im = hopper("RGB")
|
||||
im.info["transparency"] = (255, 0, 0)
|
||||
# fmt: off
|
||||
matrix = (
|
||||
0.412453, 0.357580, 0.180423, 0,
|
||||
0.212671, 0.715160, 0.072169, 0,
|
||||
0.019334, 0.119193, 0.950227, 0)
|
||||
# fmt: on
|
||||
assert im.mode == "RGB"
|
||||
|
||||
# Act
|
||||
# Convert an RGB image to the CIE XYZ colour space
|
||||
converted_im = im.convert(mode=mode, matrix=matrix)
|
||||
# Act
|
||||
# Convert an RGB image to the CIE XYZ colour space
|
||||
converted_im = im.convert(mode=mode, matrix=matrix)
|
||||
|
||||
# Assert
|
||||
assert converted_im.mode == mode
|
||||
assert converted_im.size == im.size
|
||||
with Image.open("Tests/images/hopper-XYZ.png") as target:
|
||||
if converted_im.mode == "RGB":
|
||||
assert_image_similar(converted_im, target, 3)
|
||||
assert converted_im.info["transparency"] == (105, 54, 4)
|
||||
else:
|
||||
assert_image_similar(converted_im, target.getchannel(0), 1)
|
||||
assert converted_im.info["transparency"] == 105
|
||||
|
||||
matrix_convert("RGB")
|
||||
matrix_convert("L")
|
||||
# Assert
|
||||
assert converted_im.mode == mode
|
||||
assert converted_im.size == im.size
|
||||
with Image.open("Tests/images/hopper-XYZ.png") as target:
|
||||
if converted_im.mode == "RGB":
|
||||
assert_image_similar(converted_im, target, 3)
|
||||
assert converted_im.info["transparency"] == (105, 54, 4)
|
||||
else:
|
||||
assert_image_similar(converted_im, target.getchannel(0), 1)
|
||||
assert converted_im.info["transparency"] == 105
|
||||
|
||||
|
||||
def test_matrix_identity():
|
||||
|
|
|
|||
|
|
@ -1,37 +1,40 @@
|
|||
import copy
|
||||
|
||||
import pytest
|
||||
|
||||
from PIL import Image
|
||||
|
||||
from .helper import hopper
|
||||
|
||||
|
||||
def test_copy():
|
||||
@pytest.mark.parametrize("mode", ("1", "P", "L", "RGB", "I", "F"))
|
||||
def test_copy(mode):
|
||||
cropped_coordinates = (10, 10, 20, 20)
|
||||
cropped_size = (10, 10)
|
||||
for mode in "1", "P", "L", "RGB", "I", "F":
|
||||
# Internal copy method
|
||||
im = hopper(mode)
|
||||
out = im.copy()
|
||||
assert out.mode == im.mode
|
||||
assert out.size == im.size
|
||||
|
||||
# Python's copy method
|
||||
im = hopper(mode)
|
||||
out = copy.copy(im)
|
||||
assert out.mode == im.mode
|
||||
assert out.size == im.size
|
||||
# Internal copy method
|
||||
im = hopper(mode)
|
||||
out = im.copy()
|
||||
assert out.mode == im.mode
|
||||
assert out.size == im.size
|
||||
|
||||
# Internal copy method on a cropped image
|
||||
im = hopper(mode)
|
||||
out = im.crop(cropped_coordinates).copy()
|
||||
assert out.mode == im.mode
|
||||
assert out.size == cropped_size
|
||||
# Python's copy method
|
||||
im = hopper(mode)
|
||||
out = copy.copy(im)
|
||||
assert out.mode == im.mode
|
||||
assert out.size == im.size
|
||||
|
||||
# Python's copy method on a cropped image
|
||||
im = hopper(mode)
|
||||
out = copy.copy(im.crop(cropped_coordinates))
|
||||
assert out.mode == im.mode
|
||||
assert out.size == cropped_size
|
||||
# Internal copy method on a cropped image
|
||||
im = hopper(mode)
|
||||
out = im.crop(cropped_coordinates).copy()
|
||||
assert out.mode == im.mode
|
||||
assert out.size == cropped_size
|
||||
|
||||
# Python's copy method on a cropped image
|
||||
im = hopper(mode)
|
||||
out = copy.copy(im.crop(cropped_coordinates))
|
||||
assert out.mode == im.mode
|
||||
assert out.size == cropped_size
|
||||
|
||||
|
||||
def test_copy_zero():
|
||||
|
|
|
|||
|
|
@ -5,17 +5,14 @@ from PIL import Image
|
|||
from .helper import assert_image_equal, hopper
|
||||
|
||||
|
||||
def test_crop():
|
||||
def crop(mode):
|
||||
im = hopper(mode)
|
||||
assert_image_equal(im.crop(), im)
|
||||
@pytest.mark.parametrize("mode", ("1", "P", "L", "RGB", "I", "F"))
|
||||
def test_crop(mode):
|
||||
im = hopper(mode)
|
||||
assert_image_equal(im.crop(), im)
|
||||
|
||||
cropped = im.crop((50, 50, 100, 100))
|
||||
assert cropped.mode == mode
|
||||
assert cropped.size == (50, 50)
|
||||
|
||||
for mode in "1", "P", "L", "RGB", "I", "F":
|
||||
crop(mode)
|
||||
cropped = im.crop((50, 50, 100, 100))
|
||||
assert cropped.mode == mode
|
||||
assert cropped.size == (50, 50)
|
||||
|
||||
|
||||
def test_wide_crop():
|
||||
|
|
|
|||
|
|
@ -100,40 +100,41 @@ class TestImagingCoreResampleAccuracy:
|
|||
for y in range(image.size[1])
|
||||
)
|
||||
|
||||
def test_reduce_box(self):
|
||||
for mode in ["RGBX", "RGB", "La", "L"]:
|
||||
case = self.make_case(mode, (8, 8), 0xE1)
|
||||
case = case.resize((4, 4), Image.Resampling.BOX)
|
||||
# fmt: off
|
||||
data = ("e1 e1"
|
||||
"e1 e1")
|
||||
# fmt: on
|
||||
for channel in case.split():
|
||||
self.check_case(channel, self.make_sample(data, (4, 4)))
|
||||
@pytest.mark.parametrize("mode", ("RGBX", "RGB", "La", "L"))
|
||||
def test_reduce_box(self, mode):
|
||||
case = self.make_case(mode, (8, 8), 0xE1)
|
||||
case = case.resize((4, 4), Image.Resampling.BOX)
|
||||
# fmt: off
|
||||
data = ("e1 e1"
|
||||
"e1 e1")
|
||||
# fmt: on
|
||||
for channel in case.split():
|
||||
self.check_case(channel, self.make_sample(data, (4, 4)))
|
||||
|
||||
def test_reduce_bilinear(self):
|
||||
for mode in ["RGBX", "RGB", "La", "L"]:
|
||||
case = self.make_case(mode, (8, 8), 0xE1)
|
||||
case = case.resize((4, 4), Image.Resampling.BILINEAR)
|
||||
# fmt: off
|
||||
data = ("e1 c9"
|
||||
"c9 b7")
|
||||
# fmt: on
|
||||
for channel in case.split():
|
||||
self.check_case(channel, self.make_sample(data, (4, 4)))
|
||||
@pytest.mark.parametrize("mode", ("RGBX", "RGB", "La", "L"))
|
||||
def test_reduce_bilinear(self, mode):
|
||||
case = self.make_case(mode, (8, 8), 0xE1)
|
||||
case = case.resize((4, 4), Image.Resampling.BILINEAR)
|
||||
# fmt: off
|
||||
data = ("e1 c9"
|
||||
"c9 b7")
|
||||
# fmt: on
|
||||
for channel in case.split():
|
||||
self.check_case(channel, self.make_sample(data, (4, 4)))
|
||||
|
||||
def test_reduce_hamming(self):
|
||||
for mode in ["RGBX", "RGB", "La", "L"]:
|
||||
case = self.make_case(mode, (8, 8), 0xE1)
|
||||
case = case.resize((4, 4), Image.Resampling.HAMMING)
|
||||
# fmt: off
|
||||
data = ("e1 da"
|
||||
"da d3")
|
||||
# fmt: on
|
||||
for channel in case.split():
|
||||
self.check_case(channel, self.make_sample(data, (4, 4)))
|
||||
@pytest.mark.parametrize("mode", ("RGBX", "RGB", "La", "L"))
|
||||
def test_reduce_hamming(self, mode):
|
||||
case = self.make_case(mode, (8, 8), 0xE1)
|
||||
case = case.resize((4, 4), Image.Resampling.HAMMING)
|
||||
# fmt: off
|
||||
data = ("e1 da"
|
||||
"da d3")
|
||||
# fmt: on
|
||||
for channel in case.split():
|
||||
self.check_case(channel, self.make_sample(data, (4, 4)))
|
||||
|
||||
def test_reduce_bicubic(self):
|
||||
@pytest.mark.parametrize("mode", ("RGBX", "RGB", "La", "L"))
|
||||
def test_reduce_bicubic(self, mode):
|
||||
for mode in ["RGBX", "RGB", "La", "L"]:
|
||||
case = self.make_case(mode, (12, 12), 0xE1)
|
||||
case = case.resize((6, 6), Image.Resampling.BICUBIC)
|
||||
|
|
@ -145,79 +146,79 @@ class TestImagingCoreResampleAccuracy:
|
|||
for channel in case.split():
|
||||
self.check_case(channel, self.make_sample(data, (6, 6)))
|
||||
|
||||
def test_reduce_lanczos(self):
|
||||
for mode in ["RGBX", "RGB", "La", "L"]:
|
||||
case = self.make_case(mode, (16, 16), 0xE1)
|
||||
case = case.resize((8, 8), Image.Resampling.LANCZOS)
|
||||
# fmt: off
|
||||
data = ("e1 e0 e4 d7"
|
||||
"e0 df e3 d6"
|
||||
"e4 e3 e7 da"
|
||||
"d7 d6 d9 ce")
|
||||
# fmt: on
|
||||
for channel in case.split():
|
||||
self.check_case(channel, self.make_sample(data, (8, 8)))
|
||||
@pytest.mark.parametrize("mode", ("RGBX", "RGB", "La", "L"))
|
||||
def test_reduce_lanczos(self, mode):
|
||||
case = self.make_case(mode, (16, 16), 0xE1)
|
||||
case = case.resize((8, 8), Image.Resampling.LANCZOS)
|
||||
# fmt: off
|
||||
data = ("e1 e0 e4 d7"
|
||||
"e0 df e3 d6"
|
||||
"e4 e3 e7 da"
|
||||
"d7 d6 d9 ce")
|
||||
# fmt: on
|
||||
for channel in case.split():
|
||||
self.check_case(channel, self.make_sample(data, (8, 8)))
|
||||
|
||||
def test_enlarge_box(self):
|
||||
for mode in ["RGBX", "RGB", "La", "L"]:
|
||||
case = self.make_case(mode, (2, 2), 0xE1)
|
||||
case = case.resize((4, 4), Image.Resampling.BOX)
|
||||
# fmt: off
|
||||
data = ("e1 e1"
|
||||
"e1 e1")
|
||||
# fmt: on
|
||||
for channel in case.split():
|
||||
self.check_case(channel, self.make_sample(data, (4, 4)))
|
||||
@pytest.mark.parametrize("mode", ("RGBX", "RGB", "La", "L"))
|
||||
def test_enlarge_box(self, mode):
|
||||
case = self.make_case(mode, (2, 2), 0xE1)
|
||||
case = case.resize((4, 4), Image.Resampling.BOX)
|
||||
# fmt: off
|
||||
data = ("e1 e1"
|
||||
"e1 e1")
|
||||
# fmt: on
|
||||
for channel in case.split():
|
||||
self.check_case(channel, self.make_sample(data, (4, 4)))
|
||||
|
||||
def test_enlarge_bilinear(self):
|
||||
for mode in ["RGBX", "RGB", "La", "L"]:
|
||||
case = self.make_case(mode, (2, 2), 0xE1)
|
||||
case = case.resize((4, 4), Image.Resampling.BILINEAR)
|
||||
# fmt: off
|
||||
data = ("e1 b0"
|
||||
"b0 98")
|
||||
# fmt: on
|
||||
for channel in case.split():
|
||||
self.check_case(channel, self.make_sample(data, (4, 4)))
|
||||
@pytest.mark.parametrize("mode", ("RGBX", "RGB", "La", "L"))
|
||||
def test_enlarge_bilinear(self, mode):
|
||||
case = self.make_case(mode, (2, 2), 0xE1)
|
||||
case = case.resize((4, 4), Image.Resampling.BILINEAR)
|
||||
# fmt: off
|
||||
data = ("e1 b0"
|
||||
"b0 98")
|
||||
# fmt: on
|
||||
for channel in case.split():
|
||||
self.check_case(channel, self.make_sample(data, (4, 4)))
|
||||
|
||||
def test_enlarge_hamming(self):
|
||||
for mode in ["RGBX", "RGB", "La", "L"]:
|
||||
case = self.make_case(mode, (2, 2), 0xE1)
|
||||
case = case.resize((4, 4), Image.Resampling.HAMMING)
|
||||
# fmt: off
|
||||
data = ("e1 d2"
|
||||
"d2 c5")
|
||||
# fmt: on
|
||||
for channel in case.split():
|
||||
self.check_case(channel, self.make_sample(data, (4, 4)))
|
||||
@pytest.mark.parametrize("mode", ("RGBX", "RGB", "La", "L"))
|
||||
def test_enlarge_hamming(self, mode):
|
||||
case = self.make_case(mode, (2, 2), 0xE1)
|
||||
case = case.resize((4, 4), Image.Resampling.HAMMING)
|
||||
# fmt: off
|
||||
data = ("e1 d2"
|
||||
"d2 c5")
|
||||
# fmt: on
|
||||
for channel in case.split():
|
||||
self.check_case(channel, self.make_sample(data, (4, 4)))
|
||||
|
||||
def test_enlarge_bicubic(self):
|
||||
for mode in ["RGBX", "RGB", "La", "L"]:
|
||||
case = self.make_case(mode, (4, 4), 0xE1)
|
||||
case = case.resize((8, 8), Image.Resampling.BICUBIC)
|
||||
# fmt: off
|
||||
data = ("e1 e5 ee b9"
|
||||
"e5 e9 f3 bc"
|
||||
"ee f3 fd c1"
|
||||
"b9 bc c1 a2")
|
||||
# fmt: on
|
||||
for channel in case.split():
|
||||
self.check_case(channel, self.make_sample(data, (8, 8)))
|
||||
@pytest.mark.parametrize("mode", ("RGBX", "RGB", "La", "L"))
|
||||
def test_enlarge_bicubic(self, mode):
|
||||
case = self.make_case(mode, (4, 4), 0xE1)
|
||||
case = case.resize((8, 8), Image.Resampling.BICUBIC)
|
||||
# fmt: off
|
||||
data = ("e1 e5 ee b9"
|
||||
"e5 e9 f3 bc"
|
||||
"ee f3 fd c1"
|
||||
"b9 bc c1 a2")
|
||||
# fmt: on
|
||||
for channel in case.split():
|
||||
self.check_case(channel, self.make_sample(data, (8, 8)))
|
||||
|
||||
def test_enlarge_lanczos(self):
|
||||
for mode in ["RGBX", "RGB", "La", "L"]:
|
||||
case = self.make_case(mode, (6, 6), 0xE1)
|
||||
case = case.resize((12, 12), Image.Resampling.LANCZOS)
|
||||
data = (
|
||||
"e1 e0 db ed f5 b8"
|
||||
"e0 df da ec f3 b7"
|
||||
"db db d6 e7 ee b5"
|
||||
"ed ec e6 fb ff bf"
|
||||
"f5 f4 ee ff ff c4"
|
||||
"b8 b7 b4 bf c4 a0"
|
||||
)
|
||||
for channel in case.split():
|
||||
self.check_case(channel, self.make_sample(data, (12, 12)))
|
||||
@pytest.mark.parametrize("mode", ("RGBX", "RGB", "La", "L"))
|
||||
def test_enlarge_lanczos(self, mode):
|
||||
case = self.make_case(mode, (6, 6), 0xE1)
|
||||
case = case.resize((12, 12), Image.Resampling.LANCZOS)
|
||||
data = (
|
||||
"e1 e0 db ed f5 b8"
|
||||
"e0 df da ec f3 b7"
|
||||
"db db d6 e7 ee b5"
|
||||
"ed ec e6 fb ff bf"
|
||||
"f5 f4 ee ff ff c4"
|
||||
"b8 b7 b4 bf c4 a0"
|
||||
)
|
||||
for channel in case.split():
|
||||
self.check_case(channel, self.make_sample(data, (12, 12)))
|
||||
|
||||
def test_box_filter_correct_range(self):
|
||||
im = Image.new("RGB", (8, 8), "#1688ff").resize(
|
||||
|
|
@ -419,40 +420,43 @@ class TestCoreResampleCoefficients:
|
|||
|
||||
|
||||
class TestCoreResampleBox:
|
||||
def test_wrong_arguments(self):
|
||||
im = hopper()
|
||||
for resample in (
|
||||
@pytest.mark.parametrize(
|
||||
"resample",
|
||||
(
|
||||
Image.Resampling.NEAREST,
|
||||
Image.Resampling.BOX,
|
||||
Image.Resampling.BILINEAR,
|
||||
Image.Resampling.HAMMING,
|
||||
Image.Resampling.BICUBIC,
|
||||
Image.Resampling.LANCZOS,
|
||||
):
|
||||
im.resize((32, 32), resample, (0, 0, im.width, im.height))
|
||||
im.resize((32, 32), resample, (20, 20, im.width, im.height))
|
||||
im.resize((32, 32), resample, (20, 20, 20, 100))
|
||||
im.resize((32, 32), resample, (20, 20, 100, 20))
|
||||
),
|
||||
)
|
||||
def test_wrong_arguments(self, resample):
|
||||
im = hopper()
|
||||
im.resize((32, 32), resample, (0, 0, im.width, im.height))
|
||||
im.resize((32, 32), resample, (20, 20, im.width, im.height))
|
||||
im.resize((32, 32), resample, (20, 20, 20, 100))
|
||||
im.resize((32, 32), resample, (20, 20, 100, 20))
|
||||
|
||||
with pytest.raises(TypeError, match="must be sequence of length 4"):
|
||||
im.resize((32, 32), resample, (im.width, im.height))
|
||||
with pytest.raises(TypeError, match="must be sequence of length 4"):
|
||||
im.resize((32, 32), resample, (im.width, im.height))
|
||||
|
||||
with pytest.raises(ValueError, match="can't be negative"):
|
||||
im.resize((32, 32), resample, (-20, 20, 100, 100))
|
||||
with pytest.raises(ValueError, match="can't be negative"):
|
||||
im.resize((32, 32), resample, (20, -20, 100, 100))
|
||||
with pytest.raises(ValueError, match="can't be negative"):
|
||||
im.resize((32, 32), resample, (-20, 20, 100, 100))
|
||||
with pytest.raises(ValueError, match="can't be negative"):
|
||||
im.resize((32, 32), resample, (20, -20, 100, 100))
|
||||
|
||||
with pytest.raises(ValueError, match="can't be empty"):
|
||||
im.resize((32, 32), resample, (20.1, 20, 20, 100))
|
||||
with pytest.raises(ValueError, match="can't be empty"):
|
||||
im.resize((32, 32), resample, (20, 20.1, 100, 20))
|
||||
with pytest.raises(ValueError, match="can't be empty"):
|
||||
im.resize((32, 32), resample, (20.1, 20.1, 20, 20))
|
||||
with pytest.raises(ValueError, match="can't be empty"):
|
||||
im.resize((32, 32), resample, (20.1, 20, 20, 100))
|
||||
with pytest.raises(ValueError, match="can't be empty"):
|
||||
im.resize((32, 32), resample, (20, 20.1, 100, 20))
|
||||
with pytest.raises(ValueError, match="can't be empty"):
|
||||
im.resize((32, 32), resample, (20.1, 20.1, 20, 20))
|
||||
|
||||
with pytest.raises(ValueError, match="can't exceed"):
|
||||
im.resize((32, 32), resample, (0, 0, im.width + 1, im.height))
|
||||
with pytest.raises(ValueError, match="can't exceed"):
|
||||
im.resize((32, 32), resample, (0, 0, im.width, im.height + 1))
|
||||
with pytest.raises(ValueError, match="can't exceed"):
|
||||
im.resize((32, 32), resample, (0, 0, im.width + 1, im.height))
|
||||
with pytest.raises(ValueError, match="can't exceed"):
|
||||
im.resize((32, 32), resample, (0, 0, im.width, im.height + 1))
|
||||
|
||||
def resize_tiled(self, im, dst_size, xtiles, ytiles):
|
||||
def split_range(size, tiles):
|
||||
|
|
@ -509,14 +513,14 @@ class TestCoreResampleBox:
|
|||
with pytest.raises(AssertionError, match=r"difference 29\."):
|
||||
assert_image_similar(reference, without_box, 5)
|
||||
|
||||
def test_formats(self):
|
||||
@pytest.mark.parametrize("mode", ("RGB", "L", "RGBA", "LA", "I", ""))
|
||||
def test_formats(self, mode):
|
||||
for resample in [Image.Resampling.NEAREST, Image.Resampling.BILINEAR]:
|
||||
for mode in ["RGB", "L", "RGBA", "LA", "I", ""]:
|
||||
im = hopper(mode)
|
||||
box = (20, 20, im.size[0] - 20, im.size[1] - 20)
|
||||
with_box = im.resize((32, 32), resample, box)
|
||||
cropped = im.crop(box).resize((32, 32), resample)
|
||||
assert_image_similar(cropped, with_box, 0.4)
|
||||
im = hopper(mode)
|
||||
box = (20, 20, im.size[0] - 20, im.size[1] - 20)
|
||||
with_box = im.resize((32, 32), resample, box)
|
||||
cropped = im.crop(box).resize((32, 32), resample)
|
||||
assert_image_similar(cropped, with_box, 0.4)
|
||||
|
||||
def test_passthrough(self):
|
||||
# When no resize is required
|
||||
|
|
|
|||
|
|
@ -22,24 +22,15 @@ class TestImagingCoreResize:
|
|||
im.load()
|
||||
return im._new(im.im.resize(size, f))
|
||||
|
||||
def test_nearest_mode(self):
|
||||
for mode in [
|
||||
"1",
|
||||
"P",
|
||||
"L",
|
||||
"I",
|
||||
"F",
|
||||
"RGB",
|
||||
"RGBA",
|
||||
"CMYK",
|
||||
"YCbCr",
|
||||
"I;16",
|
||||
]: # exotic mode
|
||||
im = hopper(mode)
|
||||
r = self.resize(im, (15, 12), Image.Resampling.NEAREST)
|
||||
assert r.mode == mode
|
||||
assert r.size == (15, 12)
|
||||
assert r.im.bands == im.im.bands
|
||||
@pytest.mark.parametrize(
|
||||
"mode", ("1", "P", "L", "I", "F", "RGB", "RGBA", "CMYK", "YCbCr", "I;16")
|
||||
)
|
||||
def test_nearest_mode(self, mode):
|
||||
im = hopper(mode)
|
||||
r = self.resize(im, (15, 12), Image.Resampling.NEAREST)
|
||||
assert r.mode == mode
|
||||
assert r.size == (15, 12)
|
||||
assert r.im.bands == im.im.bands
|
||||
|
||||
def test_convolution_modes(self):
|
||||
with pytest.raises(ValueError):
|
||||
|
|
|
|||
|
|
@ -1,3 +1,5 @@
|
|||
import pytest
|
||||
|
||||
from PIL import Image
|
||||
|
||||
from .helper import (
|
||||
|
|
@ -22,26 +24,26 @@ def rotate(im, mode, angle, center=None, translate=None):
|
|||
assert out.size != im.size
|
||||
|
||||
|
||||
def test_mode():
|
||||
for mode in ("1", "P", "L", "RGB", "I", "F"):
|
||||
im = hopper(mode)
|
||||
rotate(im, mode, 45)
|
||||
@pytest.mark.parametrize("mode", ("1", "P", "L", "RGB", "I", "F"))
|
||||
def test_mode(mode):
|
||||
im = hopper(mode)
|
||||
rotate(im, mode, 45)
|
||||
|
||||
|
||||
def test_angle():
|
||||
for angle in (0, 90, 180, 270):
|
||||
with Image.open("Tests/images/test-card.png") as im:
|
||||
rotate(im, im.mode, angle)
|
||||
|
||||
im = hopper()
|
||||
assert_image_equal(im.rotate(angle), im.rotate(angle, expand=1))
|
||||
|
||||
|
||||
def test_zero():
|
||||
for angle in (0, 45, 90, 180, 270):
|
||||
im = Image.new("RGB", (0, 0))
|
||||
@pytest.mark.parametrize("angle", (0, 90, 180, 270))
|
||||
def test_angle(angle):
|
||||
with Image.open("Tests/images/test-card.png") as im:
|
||||
rotate(im, im.mode, angle)
|
||||
|
||||
im = hopper()
|
||||
assert_image_equal(im.rotate(angle), im.rotate(angle, expand=1))
|
||||
|
||||
|
||||
@pytest.mark.parametrize("angle", (0, 45, 90, 180, 270))
|
||||
def test_zero(angle):
|
||||
im = Image.new("RGB", (0, 0))
|
||||
rotate(im, im.mode, angle)
|
||||
|
||||
|
||||
def test_resample():
|
||||
# Target image creation, inspected by eye.
|
||||
|
|
|
|||
|
|
@ -1,3 +1,5 @@
|
|||
import pytest
|
||||
|
||||
from PIL.Image import Transpose
|
||||
|
||||
from . import helper
|
||||
|
|
@ -9,157 +11,136 @@ HOPPER = {
|
|||
}
|
||||
|
||||
|
||||
def test_flip_left_right():
|
||||
def transpose(mode):
|
||||
im = HOPPER[mode]
|
||||
out = im.transpose(Transpose.FLIP_LEFT_RIGHT)
|
||||
assert out.mode == mode
|
||||
assert out.size == im.size
|
||||
@pytest.mark.parametrize("mode", HOPPER)
|
||||
def test_flip_left_right(mode):
|
||||
im = HOPPER[mode]
|
||||
out = im.transpose(Transpose.FLIP_LEFT_RIGHT)
|
||||
assert out.mode == mode
|
||||
assert out.size == im.size
|
||||
|
||||
x, y = im.size
|
||||
assert im.getpixel((1, 1)) == out.getpixel((x - 2, 1))
|
||||
assert im.getpixel((x - 2, 1)) == out.getpixel((1, 1))
|
||||
assert im.getpixel((1, y - 2)) == out.getpixel((x - 2, y - 2))
|
||||
assert im.getpixel((x - 2, y - 2)) == out.getpixel((1, y - 2))
|
||||
|
||||
for mode in HOPPER:
|
||||
transpose(mode)
|
||||
x, y = im.size
|
||||
assert im.getpixel((1, 1)) == out.getpixel((x - 2, 1))
|
||||
assert im.getpixel((x - 2, 1)) == out.getpixel((1, 1))
|
||||
assert im.getpixel((1, y - 2)) == out.getpixel((x - 2, y - 2))
|
||||
assert im.getpixel((x - 2, y - 2)) == out.getpixel((1, y - 2))
|
||||
|
||||
|
||||
def test_flip_top_bottom():
|
||||
def transpose(mode):
|
||||
im = HOPPER[mode]
|
||||
out = im.transpose(Transpose.FLIP_TOP_BOTTOM)
|
||||
assert out.mode == mode
|
||||
assert out.size == im.size
|
||||
@pytest.mark.parametrize("mode", HOPPER)
|
||||
def test_flip_top_bottom(mode):
|
||||
im = HOPPER[mode]
|
||||
out = im.transpose(Transpose.FLIP_TOP_BOTTOM)
|
||||
assert out.mode == mode
|
||||
assert out.size == im.size
|
||||
|
||||
x, y = im.size
|
||||
assert im.getpixel((1, 1)) == out.getpixel((1, y - 2))
|
||||
assert im.getpixel((x - 2, 1)) == out.getpixel((x - 2, y - 2))
|
||||
assert im.getpixel((1, y - 2)) == out.getpixel((1, 1))
|
||||
assert im.getpixel((x - 2, y - 2)) == out.getpixel((x - 2, 1))
|
||||
|
||||
for mode in HOPPER:
|
||||
transpose(mode)
|
||||
x, y = im.size
|
||||
assert im.getpixel((1, 1)) == out.getpixel((1, y - 2))
|
||||
assert im.getpixel((x - 2, 1)) == out.getpixel((x - 2, y - 2))
|
||||
assert im.getpixel((1, y - 2)) == out.getpixel((1, 1))
|
||||
assert im.getpixel((x - 2, y - 2)) == out.getpixel((x - 2, 1))
|
||||
|
||||
|
||||
def test_rotate_90():
|
||||
def transpose(mode):
|
||||
im = HOPPER[mode]
|
||||
out = im.transpose(Transpose.ROTATE_90)
|
||||
assert out.mode == mode
|
||||
assert out.size == im.size[::-1]
|
||||
@pytest.mark.parametrize("mode", HOPPER)
|
||||
def test_rotate_90(mode):
|
||||
im = HOPPER[mode]
|
||||
out = im.transpose(Transpose.ROTATE_90)
|
||||
assert out.mode == mode
|
||||
assert out.size == im.size[::-1]
|
||||
|
||||
x, y = im.size
|
||||
assert im.getpixel((1, 1)) == out.getpixel((1, x - 2))
|
||||
assert im.getpixel((x - 2, 1)) == out.getpixel((1, 1))
|
||||
assert im.getpixel((1, y - 2)) == out.getpixel((y - 2, x - 2))
|
||||
assert im.getpixel((x - 2, y - 2)) == out.getpixel((y - 2, 1))
|
||||
|
||||
for mode in HOPPER:
|
||||
transpose(mode)
|
||||
x, y = im.size
|
||||
assert im.getpixel((1, 1)) == out.getpixel((1, x - 2))
|
||||
assert im.getpixel((x - 2, 1)) == out.getpixel((1, 1))
|
||||
assert im.getpixel((1, y - 2)) == out.getpixel((y - 2, x - 2))
|
||||
assert im.getpixel((x - 2, y - 2)) == out.getpixel((y - 2, 1))
|
||||
|
||||
|
||||
def test_rotate_180():
|
||||
def transpose(mode):
|
||||
im = HOPPER[mode]
|
||||
out = im.transpose(Transpose.ROTATE_180)
|
||||
assert out.mode == mode
|
||||
assert out.size == im.size
|
||||
@pytest.mark.parametrize("mode", HOPPER)
|
||||
def test_rotate_180(mode):
|
||||
im = HOPPER[mode]
|
||||
out = im.transpose(Transpose.ROTATE_180)
|
||||
assert out.mode == mode
|
||||
assert out.size == im.size
|
||||
|
||||
x, y = im.size
|
||||
assert im.getpixel((1, 1)) == out.getpixel((x - 2, y - 2))
|
||||
assert im.getpixel((x - 2, 1)) == out.getpixel((1, y - 2))
|
||||
assert im.getpixel((1, y - 2)) == out.getpixel((x - 2, 1))
|
||||
assert im.getpixel((x - 2, y - 2)) == out.getpixel((1, 1))
|
||||
|
||||
for mode in HOPPER:
|
||||
transpose(mode)
|
||||
x, y = im.size
|
||||
assert im.getpixel((1, 1)) == out.getpixel((x - 2, y - 2))
|
||||
assert im.getpixel((x - 2, 1)) == out.getpixel((1, y - 2))
|
||||
assert im.getpixel((1, y - 2)) == out.getpixel((x - 2, 1))
|
||||
assert im.getpixel((x - 2, y - 2)) == out.getpixel((1, 1))
|
||||
|
||||
|
||||
def test_rotate_270():
|
||||
def transpose(mode):
|
||||
im = HOPPER[mode]
|
||||
out = im.transpose(Transpose.ROTATE_270)
|
||||
assert out.mode == mode
|
||||
assert out.size == im.size[::-1]
|
||||
@pytest.mark.parametrize("mode", HOPPER)
|
||||
def test_rotate_270(mode):
|
||||
im = HOPPER[mode]
|
||||
out = im.transpose(Transpose.ROTATE_270)
|
||||
assert out.mode == mode
|
||||
assert out.size == im.size[::-1]
|
||||
|
||||
x, y = im.size
|
||||
assert im.getpixel((1, 1)) == out.getpixel((y - 2, 1))
|
||||
assert im.getpixel((x - 2, 1)) == out.getpixel((y - 2, x - 2))
|
||||
assert im.getpixel((1, y - 2)) == out.getpixel((1, 1))
|
||||
assert im.getpixel((x - 2, y - 2)) == out.getpixel((1, x - 2))
|
||||
|
||||
for mode in HOPPER:
|
||||
transpose(mode)
|
||||
x, y = im.size
|
||||
assert im.getpixel((1, 1)) == out.getpixel((y - 2, 1))
|
||||
assert im.getpixel((x - 2, 1)) == out.getpixel((y - 2, x - 2))
|
||||
assert im.getpixel((1, y - 2)) == out.getpixel((1, 1))
|
||||
assert im.getpixel((x - 2, y - 2)) == out.getpixel((1, x - 2))
|
||||
|
||||
|
||||
def test_transpose():
|
||||
def transpose(mode):
|
||||
im = HOPPER[mode]
|
||||
out = im.transpose(Transpose.TRANSPOSE)
|
||||
assert out.mode == mode
|
||||
assert out.size == im.size[::-1]
|
||||
@pytest.mark.parametrize("mode", HOPPER)
|
||||
def test_transpose(mode):
|
||||
im = HOPPER[mode]
|
||||
out = im.transpose(Transpose.TRANSPOSE)
|
||||
assert out.mode == mode
|
||||
assert out.size == im.size[::-1]
|
||||
|
||||
x, y = im.size
|
||||
assert im.getpixel((1, 1)) == out.getpixel((1, 1))
|
||||
assert im.getpixel((x - 2, 1)) == out.getpixel((1, x - 2))
|
||||
assert im.getpixel((1, y - 2)) == out.getpixel((y - 2, 1))
|
||||
assert im.getpixel((x - 2, y - 2)) == out.getpixel((y - 2, x - 2))
|
||||
|
||||
for mode in HOPPER:
|
||||
transpose(mode)
|
||||
x, y = im.size
|
||||
assert im.getpixel((1, 1)) == out.getpixel((1, 1))
|
||||
assert im.getpixel((x - 2, 1)) == out.getpixel((1, x - 2))
|
||||
assert im.getpixel((1, y - 2)) == out.getpixel((y - 2, 1))
|
||||
assert im.getpixel((x - 2, y - 2)) == out.getpixel((y - 2, x - 2))
|
||||
|
||||
|
||||
def test_tranverse():
|
||||
def transpose(mode):
|
||||
im = HOPPER[mode]
|
||||
out = im.transpose(Transpose.TRANSVERSE)
|
||||
assert out.mode == mode
|
||||
assert out.size == im.size[::-1]
|
||||
@pytest.mark.parametrize("mode", HOPPER)
|
||||
def test_tranverse(mode):
|
||||
im = HOPPER[mode]
|
||||
out = im.transpose(Transpose.TRANSVERSE)
|
||||
assert out.mode == mode
|
||||
assert out.size == im.size[::-1]
|
||||
|
||||
x, y = im.size
|
||||
assert im.getpixel((1, 1)) == out.getpixel((y - 2, x - 2))
|
||||
assert im.getpixel((x - 2, 1)) == out.getpixel((y - 2, 1))
|
||||
assert im.getpixel((1, y - 2)) == out.getpixel((1, x - 2))
|
||||
assert im.getpixel((x - 2, y - 2)) == out.getpixel((1, 1))
|
||||
|
||||
for mode in HOPPER:
|
||||
transpose(mode)
|
||||
x, y = im.size
|
||||
assert im.getpixel((1, 1)) == out.getpixel((y - 2, x - 2))
|
||||
assert im.getpixel((x - 2, 1)) == out.getpixel((y - 2, 1))
|
||||
assert im.getpixel((1, y - 2)) == out.getpixel((1, x - 2))
|
||||
assert im.getpixel((x - 2, y - 2)) == out.getpixel((1, 1))
|
||||
|
||||
|
||||
def test_roundtrip():
|
||||
for mode in HOPPER:
|
||||
im = HOPPER[mode]
|
||||
@pytest.mark.parametrize("mode", HOPPER)
|
||||
def test_roundtrip(mode):
|
||||
im = HOPPER[mode]
|
||||
|
||||
def transpose(first, second):
|
||||
return im.transpose(first).transpose(second)
|
||||
def transpose(first, second):
|
||||
return im.transpose(first).transpose(second)
|
||||
|
||||
assert_image_equal(
|
||||
im, transpose(Transpose.FLIP_LEFT_RIGHT, Transpose.FLIP_LEFT_RIGHT)
|
||||
)
|
||||
assert_image_equal(
|
||||
im, transpose(Transpose.FLIP_TOP_BOTTOM, Transpose.FLIP_TOP_BOTTOM)
|
||||
)
|
||||
assert_image_equal(im, transpose(Transpose.ROTATE_90, Transpose.ROTATE_270))
|
||||
assert_image_equal(im, transpose(Transpose.ROTATE_180, Transpose.ROTATE_180))
|
||||
assert_image_equal(
|
||||
im.transpose(Transpose.TRANSPOSE),
|
||||
transpose(Transpose.ROTATE_90, Transpose.FLIP_TOP_BOTTOM),
|
||||
)
|
||||
assert_image_equal(
|
||||
im.transpose(Transpose.TRANSPOSE),
|
||||
transpose(Transpose.ROTATE_270, Transpose.FLIP_LEFT_RIGHT),
|
||||
)
|
||||
assert_image_equal(
|
||||
im.transpose(Transpose.TRANSVERSE),
|
||||
transpose(Transpose.ROTATE_90, Transpose.FLIP_LEFT_RIGHT),
|
||||
)
|
||||
assert_image_equal(
|
||||
im.transpose(Transpose.TRANSVERSE),
|
||||
transpose(Transpose.ROTATE_270, Transpose.FLIP_TOP_BOTTOM),
|
||||
)
|
||||
assert_image_equal(
|
||||
im.transpose(Transpose.TRANSVERSE),
|
||||
transpose(Transpose.ROTATE_180, Transpose.TRANSPOSE),
|
||||
)
|
||||
assert_image_equal(
|
||||
im, transpose(Transpose.FLIP_LEFT_RIGHT, Transpose.FLIP_LEFT_RIGHT)
|
||||
)
|
||||
assert_image_equal(
|
||||
im, transpose(Transpose.FLIP_TOP_BOTTOM, Transpose.FLIP_TOP_BOTTOM)
|
||||
)
|
||||
assert_image_equal(im, transpose(Transpose.ROTATE_90, Transpose.ROTATE_270))
|
||||
assert_image_equal(im, transpose(Transpose.ROTATE_180, Transpose.ROTATE_180))
|
||||
assert_image_equal(
|
||||
im.transpose(Transpose.TRANSPOSE),
|
||||
transpose(Transpose.ROTATE_90, Transpose.FLIP_TOP_BOTTOM),
|
||||
)
|
||||
assert_image_equal(
|
||||
im.transpose(Transpose.TRANSPOSE),
|
||||
transpose(Transpose.ROTATE_270, Transpose.FLIP_LEFT_RIGHT),
|
||||
)
|
||||
assert_image_equal(
|
||||
im.transpose(Transpose.TRANSVERSE),
|
||||
transpose(Transpose.ROTATE_90, Transpose.FLIP_LEFT_RIGHT),
|
||||
)
|
||||
assert_image_equal(
|
||||
im.transpose(Transpose.TRANSVERSE),
|
||||
transpose(Transpose.ROTATE_270, Transpose.FLIP_TOP_BOTTOM),
|
||||
)
|
||||
assert_image_equal(
|
||||
im.transpose(Transpose.TRANSVERSE),
|
||||
transpose(Transpose.ROTATE_180, Transpose.TRANSPOSE),
|
||||
)
|
||||
|
|
|
|||
|
|
@ -625,20 +625,20 @@ def test_polygon2():
|
|||
helper_polygon(POINTS2)
|
||||
|
||||
|
||||
def test_polygon_kite():
|
||||
@pytest.mark.parametrize("mode", ("RGB", "L"))
|
||||
def test_polygon_kite(mode):
|
||||
# Test drawing lines of different gradients (dx>dy, dy>dx) and
|
||||
# vertical (dx==0) and horizontal (dy==0) lines
|
||||
for mode in ["RGB", "L"]:
|
||||
# Arrange
|
||||
im = Image.new(mode, (W, H))
|
||||
draw = ImageDraw.Draw(im)
|
||||
expected = f"Tests/images/imagedraw_polygon_kite_{mode}.png"
|
||||
# Arrange
|
||||
im = Image.new(mode, (W, H))
|
||||
draw = ImageDraw.Draw(im)
|
||||
expected = f"Tests/images/imagedraw_polygon_kite_{mode}.png"
|
||||
|
||||
# Act
|
||||
draw.polygon(KITE_POINTS, fill="blue", outline="yellow")
|
||||
# Act
|
||||
draw.polygon(KITE_POINTS, fill="blue", outline="yellow")
|
||||
|
||||
# Assert
|
||||
assert_image_equal_tofile(im, expected)
|
||||
# Assert
|
||||
assert_image_equal_tofile(im, expected)
|
||||
|
||||
|
||||
def test_polygon_1px_high():
|
||||
|
|
|
|||
|
|
@ -16,32 +16,32 @@ if ImageQt.qt_is_installed:
|
|||
from PIL.ImageQt import QImage
|
||||
|
||||
|
||||
def test_sanity(tmp_path):
|
||||
for mode in ("RGB", "RGBA", "L", "P", "1"):
|
||||
src = hopper(mode)
|
||||
data = ImageQt.toqimage(src)
|
||||
@pytest.mark.parametrize("mode", ("RGB", "RGBA", "L", "P", "1"))
|
||||
def test_sanity(mode, tmp_path):
|
||||
src = hopper(mode)
|
||||
data = ImageQt.toqimage(src)
|
||||
|
||||
assert isinstance(data, QImage)
|
||||
assert not data.isNull()
|
||||
assert isinstance(data, QImage)
|
||||
assert not data.isNull()
|
||||
|
||||
# reload directly from the qimage
|
||||
rt = ImageQt.fromqimage(data)
|
||||
if mode in ("L", "P", "1"):
|
||||
assert_image_equal(rt, src.convert("RGB"))
|
||||
else:
|
||||
assert_image_equal(rt, src)
|
||||
# reload directly from the qimage
|
||||
rt = ImageQt.fromqimage(data)
|
||||
if mode in ("L", "P", "1"):
|
||||
assert_image_equal(rt, src.convert("RGB"))
|
||||
else:
|
||||
assert_image_equal(rt, src)
|
||||
|
||||
if mode == "1":
|
||||
# BW appears to not save correctly on QT4 and QT5
|
||||
# kicks out errors on console:
|
||||
# libpng warning: Invalid color type/bit depth combination
|
||||
# in IHDR
|
||||
# libpng error: Invalid IHDR data
|
||||
continue
|
||||
if mode == "1":
|
||||
# BW appears to not save correctly on QT4 and QT5
|
||||
# kicks out errors on console:
|
||||
# libpng warning: Invalid color type/bit depth combination
|
||||
# in IHDR
|
||||
# libpng error: Invalid IHDR data
|
||||
return
|
||||
|
||||
# Test saving the file
|
||||
tempfile = str(tmp_path / f"temp_{mode}.png")
|
||||
data.save(tempfile)
|
||||
# Test saving the file
|
||||
tempfile = str(tmp_path / f"temp_{mode}.png")
|
||||
data.save(tempfile)
|
||||
|
||||
# Check that it actually worked.
|
||||
assert_image_equal_tofile(src, tempfile)
|
||||
# Check that it actually worked.
|
||||
assert_image_equal_tofile(src, tempfile)
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user