def test_multiple_algos_with_equal_quality(self):
""" Tests requesting multiple supported compression algorithms with equal q-factors """
accept_encoding = 'zstd;q=0.5, br;q=0.5, gzip;q=0.5'
self.app.config['COMPRESS_ALGORITHM'] = ['gzip', 'br', 'zstd']
c = Compress(self.app)
# We expect to see the first server-configured algorithm
self.assertEqual(c._choose_compress_algorithm(accept_encoding), 'gzip')
def test_multiple_algos_with_wildcard(self):
""" Tests requesting multiple unsupported compression algorithms and a wildcard """
accept_encoding = 'future-algo, alien-algo, forbidden-algo, *'
self.app.config['COMPRESS_ALGORITHM'] = ['zstd', 'br', 'gzip']
c = Compress(self.app)
# We expect to see the first server-configured algorithm
self.assertEqual(c._choose_compress_algorithm(accept_encoding), 'zstd')
def test_multiple_algos_supported(self):
""" Tests requesting multiple supported compression algorithms """
accept_encoding = 'br, gzip, zstd'
self.app.config['COMPRESS_ALGORITHM'] = ['zstd', 'br', 'gzip']
c = Compress(self.app)
# When the decision is tied, we expect to see the first server-configured algorithm
self.assertEqual(c._choose_compress_algorithm(accept_encoding), 'zstd')
def test_default_quality_is_1(self):
""" Tests that when making mixed-quality requests, the default q-factor is 1.0 """
accept_encoding = 'deflate, br;q=0.999, gzip;q=0.5'
self.app.config['COMPRESS_ALGORITHM'] = ['gzip', 'br', 'deflate']
c = Compress(self.app)
self.assertEqual(c._choose_compress_algorithm(accept_encoding),
'deflate')
def test_chrome_ranged_requests(self):
""" Tests that Chrome ranged requests behave as expected """
accept_encoding = 'identity;q=1, *;q=0'
self.app.config['COMPRESS_ALGORITHM'] = ['gzip', 'br', 'deflate']
c = Compress(self.app)
self.assertEqual(c._choose_compress_algorithm(accept_encoding), None)
def test_identity(self):
""" Tests that identity is understood """
accept_encoding = 'identity;q=1, br;q=0.5, *;q=0'
self.app.config['COMPRESS_ALGORITHM'] = ['gzip', 'br', 'deflate']
c = Compress(self.app)
self.assertEqual(c._choose_compress_algorithm(accept_encoding), None)
def test_wildcard_quality(self):
""" Tests that a wildcard with q=0 is discarded """
accept_encoding = '*;q=0'
self.app.config['COMPRESS_ALGORITHM'] = ['gzip', 'br', 'deflate']
c = Compress(self.app)
self.assertEqual(c._choose_compress_algorithm(accept_encoding), None)
def test_default_wildcard_quality_is_0(self):
""" Tests that a wildcard has a default q-factor of 0.0 """
accept_encoding = 'br;q=0.001, *'
self.app.config['COMPRESS_ALGORITHM'] = ['gzip', 'br', 'deflate']
c = Compress(self.app)
self.assertEqual(c._choose_compress_algorithm(accept_encoding), 'br')
def test_multiple_algos_with_different_quality(self):
""" Tests requesting multiple supported compression algorithms with different q-factors """
accept_encoding = 'zstd;q=0.8, br;q=0.9, gzip;q=0.5'
self.app.config['COMPRESS_ALGORITHM'] = ['zstd', 'br', 'gzip']
c = Compress(self.app)
self.assertEqual(c._choose_compress_algorithm(accept_encoding), 'br')
def test_multiple_algos_unsupported(self):
""" Tests requesting multiple unsupported compression algorithms """
accept_encoding = 'future-algo, alien-algo, forbidden-algo'
self.app.config['COMPRESS_ALGORITHM'] = ['zstd', 'br', 'gzip']
c = Compress(self.app)
self.assertIsNone(c._choose_compress_algorithm(accept_encoding))
def test_one_algo_unsupported(self):
""" Tests requesting single unsupported compression algorithm """
accept_encoding = 'some-alien-algorithm'
self.app.config['COMPRESS_ALGORITHM'] = ['br', 'gzip']
c = Compress(self.app)
self.assertIsNone(c._choose_compress_algorithm(accept_encoding))
def test_one_algo_supported(self):
""" Tests requesting a single supported compression algorithm """
accept_encoding = 'gzip'
self.app.config['COMPRESS_ALGORITHM'] = ['br', 'gzip']
c = Compress(self.app)
self.assertEqual(c._choose_compress_algorithm(accept_encoding), 'gzip')
