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91 lines
2.2 KiB
Python
91 lines
2.2 KiB
Python
from __future__ import annotations
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import os
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import pytest
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from PIL import Image, MspImagePlugin
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from .helper import assert_image_equal, assert_image_equal_tofile, hopper
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TEST_FILE = "Tests/images/hopper.msp"
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EXTRA_DIR = "Tests/images/picins"
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YA_EXTRA_DIR = "Tests/images/msp"
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def test_sanity(tmp_path):
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test_file = str(tmp_path / "temp.msp")
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hopper("1").save(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 == "1"
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assert im.size == (128, 128)
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assert im.format == "MSP"
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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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MspImagePlugin.MspImageFile(invalid_file)
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def test_bad_checksum():
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# Arrange
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# This was created by forcing Pillow to save with checksum=0
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bad_checksum = "Tests/images/hopper_bad_checksum.msp"
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# Act / Assert
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with pytest.raises(SyntaxError):
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MspImagePlugin.MspImageFile(bad_checksum)
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def test_open_windows_v1():
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# Arrange
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# Act
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with Image.open(TEST_FILE) as im:
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# Assert
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assert_image_equal(im, hopper("1"))
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assert isinstance(im, MspImagePlugin.MspImageFile)
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def _assert_file_image_equal(source_path, target_path):
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with Image.open(source_path) as im:
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assert_image_equal_tofile(im, target_path)
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@pytest.mark.skipif(
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not os.path.exists(EXTRA_DIR), reason="Extra image files not installed"
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)
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def test_open_windows_v2():
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files = (
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os.path.join(EXTRA_DIR, f)
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for f in os.listdir(EXTRA_DIR)
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if os.path.splitext(f)[1] == ".msp"
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)
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for path in files:
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_assert_file_image_equal(path, path.replace(".msp", ".png"))
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@pytest.mark.skipif(
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not os.path.exists(YA_EXTRA_DIR), reason="Even More Extra image files not installed"
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)
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def test_msp_v2():
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for f in os.listdir(YA_EXTRA_DIR):
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if ".MSP" not in f:
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continue
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path = os.path.join(YA_EXTRA_DIR, f)
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_assert_file_image_equal(path, path.replace(".MSP", ".png"))
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def test_cannot_save_wrong_mode(tmp_path):
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# Arrange
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im = hopper()
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filename = str(tmp_path / "temp.msp")
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# Act/Assert
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with pytest.raises(OSError):
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im.save(filename)
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