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Keep imports alphabetically sorted and their order homogeneous across Python source files. The isort project has more feature and is more active than the flake8-import-order plugin. Most issues caught were simply import ordering from the same module. Where imports were purposefully placed out of order, tag with isort:skip.
79 lines
2.8 KiB
Python
79 lines
2.8 KiB
Python
"""
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test_util_images
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~~~~~~~~~~~~~~~~
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Test images util.
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:copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import pytest
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from sphinx.util.images import (get_image_extension, get_image_size, guess_mimetype,
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parse_data_uri)
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GIF_FILENAME = 'img.gif'
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PNG_FILENAME = 'img.png'
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PDF_FILENAME = 'img.pdf'
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TXT_FILENAME = 'index.txt'
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def test_get_image_size(rootdir):
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assert get_image_size(rootdir / 'test-root' / GIF_FILENAME) == (200, 181)
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assert get_image_size(rootdir / 'test-root' / PNG_FILENAME) == (200, 181)
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assert get_image_size(rootdir / 'test-root' / PDF_FILENAME) is None
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assert get_image_size(rootdir / 'test-root' / TXT_FILENAME) is None
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@pytest.mark.filterwarnings('ignore:The content argument')
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def test_guess_mimetype():
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# guess by filename
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assert guess_mimetype('img.png') == 'image/png'
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assert guess_mimetype('img.jpg') == 'image/jpeg'
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assert guess_mimetype('img.txt') is None
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assert guess_mimetype('img.txt', default='text/plain') == 'text/plain'
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assert guess_mimetype('no_extension') is None
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assert guess_mimetype('IMG.PNG') == 'image/png'
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# default parameter is used when no extension
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assert guess_mimetype('img.png', 'text/plain') == 'image/png'
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assert guess_mimetype('no_extension', 'text/plain') == 'text/plain'
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def test_get_image_extension():
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assert get_image_extension('image/png') == '.png'
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assert get_image_extension('image/jpeg') == '.jpg'
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assert get_image_extension('image/svg+xml') == '.svg'
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assert get_image_extension('text/plain') is None
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def test_parse_data_uri():
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# standard case
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uri = ("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4"
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"//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==")
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image = parse_data_uri(uri)
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assert image is not None
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assert image.mimetype == 'image/png'
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assert image.charset == 'US-ASCII'
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# no mimetype
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uri = ("data:charset=utf-8,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElE"
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"QVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==")
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image = parse_data_uri(uri)
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assert image is not None
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assert image.mimetype == 'text/plain'
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assert image.charset == 'utf-8'
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# non data URI
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uri = ("image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4"
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"//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==")
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image = parse_data_uri(uri)
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assert image is None
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# invalid data URI (no properties)
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with pytest.raises(ValueError):
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uri = ("data:iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4"
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"//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==")
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parse_data_uri(uri)
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