def test_invalid_path(self, image_fetcher: ImageFetcher) -> None:
resolution = ResolutionName.HIGH
with pytest.raises(InvalidPathError) as error:
image_fetcher.resize_image(self.path, self.resized_path,
resolution)
assert error.value.message == f"Invalid image path: '{self.path}'"
def test_invalid_resolution(self, image_fetcher: ImageFetcher) -> None:
resolution = "test"
with TemporaryImageFile(self.path):
with pytest.raises(InvalidResolutionError) as error:
image_fetcher.resize_image(self.path, self.resized_path,
resolution)
assert error.value.message == f"Invalid resolution: '{resolution}'"
def test_resize(self, image_fetcher: ImageFetcher) -> None:
resolution = ResolutionName.LOW
max_dimension = getattr(ResolutionMaxDimension, resolution)
raw_dimensions = (1000, 1000)
with TemporaryImageFile(self.path, raw_dimensions):
image = image_fetcher.resize_image(self.path, self.resized_path,
resolution)
assert isinstance(image, Image.Image)
assert image.size == (max_dimension, max_dimension)
assert os.path.exists(self.resized_path)
def test_resolution_greater_than_raw(self,
image_fetcher: ImageFetcher) -> None:
resolution = ResolutionName.LOW
reduced_dimensions = (1, 1)
with TemporaryImageFile(self.path, reduced_dimensions):
image = image_fetcher.resize_image(self.path, self.resized_path,
resolution)
assert isinstance(image, Image.Image)
assert image.size == reduced_dimensions
assert not os.path.exists(self.resized_path)