def test_should_return_true_if_both_files_contain_the_same_content(self):
tmp = tempfile.gettempdir()
a = os.path.join(tmp, 'a.txt')
file_put_contents(a, 'Hello World')
tmp = tempfile.gettempdir()
b = os.path.join(tmp, 'b.txt')
file_put_contents(b, 'Hello World')
self.assertTrue(is_same_file(a, b))
def test_should_return_false_if_both_files_do_not_contain_the_same_content(
self):
tmp = tempfile.gettempdir()
a = os.path.join(tmp, 'a.txt')
file_put_contents(a, 'Hello Foo')
tmp = tempfile.gettempdir()
b = os.path.join(tmp, 'b.txt')
file_put_contents(b, 'Hello Bar')
self.assertFalse(is_same_file(a, b))
def test_should_not_change_pure_vector_image(self):
src = self.get_test_image_path('test.svg')
dst = os.path.join(tempfile.gettempdir(), 'resized_svg_image.svg')
try:
resize_svg_image(src, dst, 0, 0, crop=False, optimize=False)
# svg file without any bitmap data embedded should be the same
# image after resize (without optimizations)...
self.assertTrue(is_same_file(src, dst))
finally:
if os.path.isfile(dst):
os.unlink(dst)
def test_should_ignore_embedded_bitmap_if_image_data_cannot_be_read_or_processed(self):
src = self.get_test_image_path('test_svg_with_broken_png.svg')
dst = os.path.join(tempfile.gettempdir(), 'resized_svg_image.svg')
try:
resize_svg_image(src, dst, 0, 0, crop=False, optimize=False)
# svg file with broken bitmap data should be the same as the
# original without optimizations (ignored)...
self.assertTrue(is_same_file(src, dst))
finally:
if os.path.isfile(dst):
os.unlink(dst)
def test_should_ignore_embedded_bitmap_if_image_cannot_be_b64_decoded(self):
src = self.get_test_image_path('test_svg_with_broken_b64_encoding.svg')
dst = os.path.join(tempfile.gettempdir(), 'resized_svg_image.svg')
try:
resize_svg_image(src, dst, 0, 0, crop=False, optimize=False)
# svg file with broken bitmap data (base64 decoding error) should
# contain the same embedded bitmap data as the original
self.assertTrue(is_same_file(src, dst))
finally:
if os.path.isfile(dst):
os.unlink(dst)
def _assert_downsampling(self, filename):
src = self.get_test_image_path(filename)
dst = os.path.join(tempfile.gettempdir(), 'resized_svg_image.svg')
try:
resize_svg_image(src, dst, 50, 50)
# svg file with bitmap data embedded should NOT be the same
# image after resize...
self.assertFalse(is_same_file(src, dst))
# image size should be less
self.assertTrue(os.path.getsize(dst) < os.path.getsize(src))
# the resulting image should still be an svg image with path
# information in it
content = file_get_contents(dst)
self.assertIn('<svg', content)
self.assertIn('<path', content)
finally:
if os.path.isfile(dst):
os.unlink(dst)