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Parametrize tests

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Andrew Murray 2026-03-28 23:54:09 +11:00 committed by Hugo van Kemenade
parent b2a16f0dbe
commit cc22efda7a
1 changed files with 47 additions and 131 deletions
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178
Tests/test_imagefile.py
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@ -295,6 +295,26 @@ class TestPyDecoder(CodecsTest):
with pytest.raises(ValueError):
MockPyDecoder.last.set_as_raw(b"\x00")
@pytest.mark.parametrize(
"extents",
(
(-10, yoff, xoff + xsize, yoff + ysize),
(xoff, -10, xoff + xsize, yoff + ysize),
(xoff, yoff, -10, yoff + ysize),
(xoff, yoff, xoff + xsize, -10),
(xoff, yoff, xoff + xsize + 100, yoff + ysize),
(xoff, yoff, xoff + xsize, yoff + ysize + 100),
),
)
def test_extents(self, extents: tuple[int, int, int, int]) -> None:
buf = BytesIO(b"\x00" * 255)
im = MockImageFile(buf)
im.tile = [ImageFile._Tile("MOCK", extents, 32, None)]
with pytest.raises(ValueError):
im.load()
def test_extents_none(self) -> None:
buf = BytesIO(b"\x00" * 255)
@ -308,53 +328,6 @@ class TestPyDecoder(CodecsTest):
assert MockPyDecoder.last.state.xsize == 200
assert MockPyDecoder.last.state.ysize == 200
def test_negative_offset(self) -> None:
buf = BytesIO(b"\x00" * 255)
im = MockImageFile(buf)
im.tile = [ImageFile._Tile("MOCK", (-10, yoff, xsize, ysize), 32, None)]
with pytest.raises(ValueError):
im.load()
im.tile = [ImageFile._Tile("MOCK", (xoff, -10, xsize, ysize), 32, None)]
with pytest.raises(ValueError):
im.load()
def test_negative_size(self) -> None:
buf = BytesIO(b"\x00" * 255)
im = MockImageFile(buf)
im.tile = [ImageFile._Tile("MOCK", (xoff, yoff, -10, yoff + ysize), 32, None)]
with pytest.raises(ValueError):
im.load()
im.tile = [ImageFile._Tile("MOCK", (xoff, yoff, xoff + xsize, -10), 32, None)]
with pytest.raises(ValueError):
im.load()
def test_oversize(self) -> None:
buf = BytesIO(b"\x00" * 255)
im = MockImageFile(buf)
im.tile = [
ImageFile._Tile(
"MOCK", (xoff, yoff, xoff + xsize + 100, yoff + ysize), 32, None
)
]
with pytest.raises(ValueError):
im.load()
im.tile = [
ImageFile._Tile(
"MOCK", (xoff, yoff, xoff + xsize, yoff + ysize + 100), 32, None
)
]
with pytest.raises(ValueError):
im.load()
def test_decode(self) -> None:
decoder = ImageFile.PyDecoder("")
with pytest.raises(NotImplementedError):
@ -384,6 +357,33 @@ class TestPyEncoder(CodecsTest):
assert MockPyEncoder.last.state.xsize == xsize
assert MockPyEncoder.last.state.ysize == ysize
@pytest.mark.parametrize(
"extents",
(
(-10, yoff, xoff + xsize, yoff + ysize),
(xoff, -10, xoff + xsize, yoff + ysize),
(xoff, yoff, -10, yoff + ysize),
(xoff, yoff, xoff + xsize, -10),
(xoff, yoff, xoff + xsize + 100, yoff + ysize),
(xoff, yoff, xoff + xsize, yoff + ysize + 100),
),
)
def test_extents(self, extents: tuple[int, int, int, int]) -> None:
buf = BytesIO(b"\x00" * 255)
im = MockImageFile(buf)
fp = BytesIO()
MockPyEncoder.last = None
with pytest.raises(ValueError):
ImageFile._save(im, fp, [ImageFile._Tile("MOCK", extents, 0, "RGB")])
last: MockPyEncoder | None = MockPyEncoder.last
assert last
assert last.cleanup_called
with pytest.raises(ValueError):
ImageFile._save(im, fp, [ImageFile._Tile("MOCK", extents, 0, "RGB")])
def test_extents_none(self) -> None:
buf = BytesIO(b"\x00" * 255)
@ -399,90 +399,6 @@ class TestPyEncoder(CodecsTest):
assert MockPyEncoder.last.state.xsize == 200
assert MockPyEncoder.last.state.ysize == 200
def test_negative_offset(self) -> None:
buf = BytesIO(b"\x00" * 255)
im = MockImageFile(buf)
fp = BytesIO()
MockPyEncoder.last = None
with pytest.raises(ValueError):
ImageFile._save(
im,
fp,
[
ImageFile._Tile(
"MOCK", (-10, yoff, xoff + xsize, yoff + ysize), 0, "RGB"
)
],
)
last: MockPyEncoder | None = MockPyEncoder.last
assert last
assert last.cleanup_called
with pytest.raises(ValueError):
ImageFile._save(
im,
fp,
[
ImageFile._Tile(
"MOCK", (xoff, -10, xoff + xsize, yoff + ysize), 0, "RGB"
)
],
)
def test_negative_size(self) -> None:
buf = BytesIO(b"\x00" * 255)
im = MockImageFile(buf)
fp = BytesIO()
MockPyEncoder.last = None
with pytest.raises(ValueError):
ImageFile._save(
im,
fp,
[ImageFile._Tile("MOCK", (xoff, yoff, -10, yoff + ysize), 0, "RGB")],
)
last: MockPyEncoder | None = MockPyEncoder.last
assert last
assert last.cleanup_called
with pytest.raises(ValueError):
ImageFile._save(
im,
fp,
[ImageFile._Tile("MOCK", (xoff, yoff, xoff + xsize, -10), 0, "RGB")],
)
def test_oversize(self) -> None:
buf = BytesIO(b"\x00" * 255)
im = MockImageFile(buf)
fp = BytesIO()
with pytest.raises(ValueError):
ImageFile._save(
im,
fp,
[
ImageFile._Tile(
"MOCK", (xoff, yoff, xoff + xsize + 100, yoff + ysize), 0, "RGB"
)
],
)
with pytest.raises(ValueError):
ImageFile._save(
im,
fp,
[
ImageFile._Tile(
"MOCK", (xoff, yoff, xoff + xsize, yoff + ysize + 100), 0, "RGB"
)
],
)
def test_encode(self) -> None:
encoder = ImageFile.PyEncoder("")
with pytest.raises(NotImplementedError):