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import imageio as iio
import pytest
def test_exception_message_bytes():
# regression test for: https://github.com/imageio/imageio/issues/694
# test via `python -bb -m pytest .\tests\test_legacy_plugin_wrapper.py::test_exception_message_bytes`
# if run normally, whill check that bytes are not reported
try:
iio.v3.imread(b"This will not be reported.")
except BytesWarning:
pytest.fail("raw bytes used in string.")
except IOError as e:
assert "This will not be reported." not in str(e)
assert "<bytes>" in str(e)
try:
iio.v2.imread(b"This will not be reported.")
except BytesWarning:
pytest.fail("raw bytes used in string.")
except ValueError as e:
assert "This will not be reported." not in str(e)
assert "<bytes>" in str(e)
def test_ellipsis_index(test_images):
img = iio.v3.imread(test_images / "chelsea.png", plugin="PNG-PIL", index=...)
assert img.shape == (1, 300, 451, 3)
props = iio.v3.improps(
test_images / "chelsea.png",
plugin="PNG-PIL",
index=...,
)
assert props.shape == (1, 300, 451, 3)
metadata = iio.v3.immeta(
test_images / "chelsea.png", plugin="PNG-PIL", index=0, exclude_applied=False
)
assert metadata == {}
def test_properties(test_images):
p = iio.v3.improps(test_images / "newtonscradle.gif", plugin="GIF-PIL", index=...)
assert p.shape == (36, 150, 200, 4)
assert p.n_images == 36
assert p.is_batch
p = iio.v3.improps(test_images / "newtonscradle.gif", plugin="GIF-PIL", index=0)
assert p.shape == (150, 200, 4)
assert p.n_images is None
assert not p.is_batch
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