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40 lines
787 B
Python
40 lines
787 B
Python
from __future__ import annotations
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from io import BytesIO
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import pytest
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from PIL import Image, MpegImagePlugin
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def test_identify() -> None:
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# Arrange
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b = BytesIO(b"\x00\x00\x01\xb3\x01\x00\x01")
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# Act
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with Image.open(b) as im:
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# Assert
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assert im.format == "MPEG"
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assert im.mode == "RGB"
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assert im.size == (16, 1)
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def test_invalid_file() -> None:
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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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MpegImagePlugin.MpegImageFile(invalid_file)
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def test_load() -> None:
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# Arrange
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b = BytesIO(b"\x00\x00\x01\xb3\x01\x00\x01")
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with Image.open(b) as im:
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# Act / Assert: cannot load
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with pytest.raises(OSError):
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im.load()
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