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156 lines
4.0 KiB
Python
156 lines
4.0 KiB
Python
import warnings
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import pytest
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from PIL import Image, PsdImagePlugin
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from .helper import assert_image_equal_tofile, assert_image_similar, hopper, is_pypy
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test_file = "Tests/images/hopper.psd"
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def test_sanity():
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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 == (128, 128)
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assert im.format == "PSD"
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assert im.get_format_mimetype() == "image/vnd.adobe.photoshop"
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im2 = hopper()
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assert_image_similar(im, im2, 4.8)
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@pytest.mark.skipif(is_pypy(), reason="Requires CPython")
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def test_unclosed_file():
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with pytest.warns(ResourceWarning):
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im = Image.open(test_file)
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im.load()
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del im
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def test_closed_file():
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with warnings.catch_warnings():
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im = Image.open(test_file)
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im.load()
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im.close()
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def test_context_manager():
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with warnings.catch_warnings():
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with Image.open(test_file) as im:
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im.load()
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def test_invalid_file():
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invalid_file = "Tests/images/flower.jpg"
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with pytest.raises(SyntaxError):
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PsdImagePlugin.PsdImageFile(invalid_file)
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def test_n_frames():
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with Image.open("Tests/images/hopper_merged.psd") as im:
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assert im.n_frames == 1
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assert not im.is_animated
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for path in [test_file, "Tests/images/negative_layer_count.psd"]:
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with Image.open(path) as im:
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assert im.n_frames == 2
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assert im.is_animated
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def test_eoferror():
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with Image.open(test_file) as im:
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# PSD seek index starts at 1 rather than 0
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n_frames = im.n_frames + 1
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# Test seeking past the last frame
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with pytest.raises(EOFError):
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im.seek(n_frames)
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assert im.tell() < n_frames
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# Test that seeking to the last frame does not raise an error
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im.seek(n_frames - 1)
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def test_seek_tell():
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with Image.open(test_file) as im:
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layer_number = im.tell()
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assert layer_number == 1
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with pytest.raises(EOFError):
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im.seek(0)
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im.seek(1)
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layer_number = im.tell()
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assert layer_number == 1
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im.seek(2)
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layer_number = im.tell()
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assert layer_number == 2
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def test_seek_eoferror():
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with Image.open(test_file) as im:
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with pytest.raises(EOFError):
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im.seek(-1)
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def test_open_after_exclusive_load():
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with Image.open(test_file) as im:
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im.load()
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im.seek(im.tell() + 1)
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im.load()
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def test_rgba():
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with Image.open("Tests/images/rgba.psd") as im:
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assert_image_equal_tofile(im, "Tests/images/imagedraw_square.png")
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def test_icc_profile():
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with Image.open(test_file) as im:
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assert "icc_profile" in im.info
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icc_profile = im.info["icc_profile"]
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assert len(icc_profile) == 3144
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def test_no_icc_profile():
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with Image.open("Tests/images/hopper_merged.psd") as im:
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assert "icc_profile" not in im.info
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def test_combined_larger_than_size():
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# The combined size of the individual parts is larger than the
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# declared 'size' of the extra data field, resulting in a backwards seek.
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# If we instead take the 'size' of the extra data field as the source of truth,
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# then the seek can't be negative
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with pytest.raises(OSError):
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with Image.open("Tests/images/combined_larger_than_size.psd"):
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pass
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@pytest.mark.parametrize(
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"test_file,raises",
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[
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(
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"Tests/images/timeout-1ee28a249896e05b83840ae8140622de8e648ba9.psd",
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Image.UnidentifiedImageError,
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),
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(
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"Tests/images/timeout-598843abc37fc080ec36a2699ebbd44f795d3a6f.psd",
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Image.UnidentifiedImageError,
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),
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("Tests/images/timeout-c8efc3fded6426986ba867a399791bae544f59bc.psd", OSError),
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("Tests/images/timeout-dedc7a4ebd856d79b4359bbcc79e8ef231ce38f6.psd", OSError),
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],
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)
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def test_crashes(test_file, raises):
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with open(test_file, "rb") as f:
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with pytest.raises(raises):
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with Image.open(f):
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pass
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