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How to use the yoga.image.helpers.guess_image_format function in yoga

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wanadev / yoga / test / test_image_helpers.py View on Github

def test_supported_image_format(self, image_path, expected_format):
        image_bytes = open(image_path, "rb").read()
        assert helpers.guess_image_format(image_bytes) == expected_format

wanadev / yoga / test / test_image_helpers.py View on Github

def test_unsuported_image_format(self):
        image_bytes = open("test/images/alpha.svg", "rb").read()
        with pytest.raises(ValueError):
            helpers.guess_image_format(image_bytes)