def test_optipng_should_optimize_png(self):
optimizer = OptipngOptimizer(self.get_context())
temp = tempfile.NamedTemporaryFile()
optimizer.optimize(None, fixtures_folder + '/img/bend.png', temp.name)
self.assertLessEqual(os.path.getsize(temp.name), os.path.getsize(fixtures_folder + '/img/bend.png'),
"optipng could not lower filesize for img/bend.png")
def test_optipng_should_optimize_png(self):
optimizer = OptipngOptimizer(self.get_context())
temp = tempfile.NamedTemporaryFile()
optimizer.optimize(None, fixtures_folder + '/img/bend.png', temp.name)
self.assertLessEqual(os.path.getsize(temp.name), os.path.getsize(fixtures_folder + '/img/bend.png'),
"optipng could not lower filesize for img/bend.png")
def test_optiping_should_fix_image(self):
optimizer = OptipngOptimizer(self.get_context())
temp = tempfile.NamedTemporaryFile()
optimizer.optimize(None, fixtures_folder + '/img/optipng-fix-needed.png', temp.name)
self.assertLessEqual(os.path.getsize(fixtures_folder +'/img/optipng-fix-needed.png'),
os.path.getsize(temp.name), "optipng did not fix the broken image")