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49 lines
1.1 KiB
Python
49 lines
1.1 KiB
Python
import pytest
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from PIL import FitsStubImagePlugin, Image
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TEST_FILE = "Tests/images/hopper.fits"
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def test_open():
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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 im.format == "FITS"
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# Dummy data from the stub
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assert im.mode == "F"
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assert im.size == (1, 1)
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def test_invalid_file():
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# Arrange
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invalid_file = "Tests/images/flower.jpg"
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# Act / Assert
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with pytest.raises(SyntaxError):
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FitsStubImagePlugin.FITSStubImageFile(invalid_file)
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def test_load():
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# Arrange
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with Image.open(TEST_FILE) as im:
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# Act / Assert: stub cannot load without an implemented handler
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with pytest.raises(OSError):
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im.load()
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def test_save():
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# Arrange
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with Image.open(TEST_FILE) as im:
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dummy_fp = None
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dummy_filename = "dummy.filename"
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# Act / Assert: stub cannot save without an implemented handler
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with pytest.raises(OSError):
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im.save(dummy_filename)
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with pytest.raises(OSError):
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FitsStubImagePlugin._save(im, dummy_fp, dummy_filename)
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