def test_all_features_with_data(self):
""" Tests that the method returns the correct data with activated features. """
feature1 = Feature('looktest1')
feature1.set_percentage(5)
feature2 = Feature('looktest2')
feature2.activate()
feature2.add_to_whitelist(3)
feature3 = Feature('looktest3')
feature3.activate()
feature3.add_to_blacklist(4)
feature3.add_to_blacklist(5)
feature4 = Feature('looktest4')
feature4.activate()
feature4.add_to_whitelist(3)
feature4.add_to_whitelist(5)
feature4.add_to_blacklist(4)
all_features = Feature.all_features(include_data=True)
self.assertEqual(len(all_features), 4)
for key in ['looktest1','looktest2','looktest3','looktest4']:
self.assertTrue(key in all_features)
if not key == 'looktest1':
self.assertEqual(all_features[key]['percentage'], 100)
self.assertEqual(all_features['looktest1']['percentage'], 5)
self.assertFalse('whitelist' in all_features['looktest1'])
self.assertFalse('blacklist' in all_features['looktest1'])
self.assertTrue('whitelist' in all_features['looktest2'])
self.assertEqual(all_features['looktest2']['whitelist'], [3])
self.assertFalse('blacklist' in all_features['looktest2'])
self.assertFalse('whitelist' in all_features['looktest3'])
self.assertTrue('blacklist' in all_features['looktest3'])
self.assertEqual(all_features['looktest3']['blacklist'], [4,5])
self.assertTrue('whitelist' in all_features['looktest4'])
self.assertEqual(all_features['looktest4']['whitelist'], [3, 5])
self.assertTrue('blacklist' in all_features['looktest4'])
self.assertEqual(all_features['looktest4']['blacklist'], [4])
def test_all_features_with_data(self):
""" Tests that the method returns the correct data with activated features. """
feature1 = Feature('looktest1')
feature1.set_percentage(5)
feature2 = Feature('looktest2')
feature2.activate()
feature2.add_to_whitelist(3)
feature3 = Feature('looktest3')
feature3.activate()
feature3.add_to_blacklist(4)
feature3.add_to_blacklist(5)
feature4 = Feature('looktest4')
feature4.activate()
feature4.add_to_whitelist(3)
feature4.add_to_whitelist(5)
feature4.add_to_blacklist(4)
all_features = Feature.all_features(include_data=True)
self.assertEqual(len(all_features), 4)
for key in ['looktest1', 'looktest2', 'looktest3', 'looktest4']:
self.assertTrue(key in all_features)
if not key == 'looktest1':
self.assertEqual(all_features[key]['percentage'], 100)
self.assertEqual(all_features['looktest1']['percentage'], 5)
self.assertFalse('whitelist' in all_features['looktest1'])
self.assertFalse('blacklist' in all_features['looktest1'])
self.assertTrue('whitelist' in all_features['looktest2'])
self.assertEqual(all_features['looktest2']['whitelist'], [3])
self.assertFalse('blacklist' in all_features['looktest2'])
self.assertFalse('whitelist' in all_features['looktest3'])
self.assertTrue('blacklist' in all_features['looktest3'])
self.assertEqual(all_features['looktest3']['blacklist'], [4, 5])
self.assertTrue('whitelist' in all_features['looktest4'])
self.assertEqual(all_features['looktest4']['whitelist'], [3, 5])
self.assertTrue('blacklist' in all_features['looktest4'])
self.assertEqual(all_features['looktest4']['blacklist'], [4])
class FeatureTest(TestCase):
""" Tests the feature ramping system in Redis. """
def setUp(self):
self.feature_test = Feature("testing")
def tearDown(self):
for feature in Feature.all_features():
Feature(feature).delete()
def test_initialize_feature_with_default_percentage(self):
feature_test = Feature("testing", default_percentage=100)
self.assertEquals(feature_test.percentage, 100)
def test_reset_settings(self):
""" Tests calling reset_settings resets the correct
data and updates it in Redis. """
self.feature_test.set_percentage(5)
self.feature_test.add_to_whitelist(3)
self.feature_test.add_to_blacklist(4)
self.feature_test.reset_settings()
generated = Feature("testing")
self.assertEqual(generated.percentage, 0)
self.assertFalse(3 in generated.whitelist)
self.assertFalse(4 in generated.blacklist)
def test_delete(self):
""" Tests that calling delete removes the data from Redis. """
self.feature_test.set_percentage(5)
self.feature_test.delete()
key = self.feature_test._get_redis_key()
redis_data = redis.get(key)
self.assertTrue(redis_data is None)
set_key = Feature._get_redis_set_key()
self.assertFalse(redis.sismember(set_key, key))
def test_all_features(self):
""" Tests that the method returns a list of all feature names activated. """
to_create = ['looktest1', 'looktest2', 'looktest3']
for f in to_create:
Feature(f).activate()
all_features = Feature.all_features()
self.assertEqual(len(all_features), len(to_create))
for f in to_create:
self.assertTrue(f in all_features)
def test_all_features_with_data(self):
""" Tests that the method returns the correct data with activated features. """
feature1 = Feature('looktest1')
feature1.set_percentage(5)
feature2 = Feature('looktest2')
feature2.activate()
feature2.add_to_whitelist(3)
feature3 = Feature('looktest3')
feature3.activate()
feature3.add_to_blacklist(4)
feature3.add_to_blacklist(5)
feature4 = Feature('looktest4')
feature4.activate()
feature4.add_to_whitelist(3)
feature4.add_to_whitelist(5)
feature4.add_to_blacklist(4)
all_features = Feature.all_features(include_data=True)
self.assertEqual(len(all_features), 4)
for key in ['looktest1','looktest2','looktest3','looktest4']:
self.assertTrue(key in all_features)
if not key == 'looktest1':
self.assertEqual(all_features[key]['percentage'], 100)
self.assertEqual(all_features['looktest1']['percentage'], 5)
self.assertFalse('whitelist' in all_features['looktest1'])
self.assertFalse('blacklist' in all_features['looktest1'])
self.assertTrue('whitelist' in all_features['looktest2'])
self.assertEqual(all_features['looktest2']['whitelist'], [3])
self.assertFalse('blacklist' in all_features['looktest2'])
self.assertFalse('whitelist' in all_features['looktest3'])
self.assertTrue('blacklist' in all_features['looktest3'])
self.assertEqual(all_features['looktest3']['blacklist'], [4,5])
self.assertTrue('whitelist' in all_features['looktest4'])
self.assertEqual(all_features['looktest4']['whitelist'], [3, 5])
self.assertTrue('blacklist' in all_features['looktest4'])
self.assertEqual(all_features['looktest4']['blacklist'], [4])
def test_set_add(self):
""" Tests that creating a feature stores its key in a Redis set. """
self.feature_test.set_percentage(15)
key = self.feature_test._get_redis_key()
set_key = Feature._get_redis_set_key()
self.assertTrue(redis.sismember(set_key, key))
def test_set_percentage(self):
""" Tests calling set_percentage sets the correct
data in Redis. """
self.feature_test.set_percentage(5)
self.assertEqual(Feature("testing").percentage, 5)
def test_set_float_percentage(self):
""" Tests that calling set_percentage() with a float truncates to int. """
self.feature_test.set_percentage(50.5)
self.assertEqual(self.feature_test.percentage, 50)
def test_set_string_percentage(self):
""" Tests that calling set_percentage() with a string converts it to an int if possible. """
self.feature_test.set_percentage("50")
self.assertEqual(self.feature_test.percentage, 50)
self.assertTrue(isinstance(self.feature_test.percentage, int))
def test_set_invalid_string_percentage(self):
""" Tests that calling set_percentage() on an invalid percentage raises ValueError. """
with self.assertRaises(ValueError):
self.feature_test.set_percentage("meow")
def test_add_to_whitelist(self):
""" Tests calling add_to_whitelist sets the correct
data in Redis. """
self.feature_test.add_to_whitelist(3)
self.assertTrue(3 in Feature("testing").whitelist)
def test_add_to_whitelist_with_string(self):
""" Tests calling add_to_whitelist sets the correct
data in Redis when using a string. """
email = '*****@*****.**'
self.feature_test.add_to_whitelist(email)
self.assertTrue(email in Feature("testing").whitelist)
def test_remove_from_whitelist(self):
""" Tests calling remove_from_whitelist sets the correct
data in Redis. """
self.feature_test.add_to_whitelist(3)
self.feature_test.remove_from_whitelist(3)
self.assertFalse(3 in Feature("testing").whitelist)
def test_remove_from_whitelist_with_string(self):
""" Tests calling remove_from_whitelist using string sets the correct
data in Redis. """
email = '*****@*****.**'
self.feature_test.add_to_whitelist(email)
self.feature_test.remove_from_whitelist(email)
self.assertFalse(email in Feature("testing").whitelist)
def test_add_to_blacklist(self):
""" Tests calling add_to_blacklist sets the correct
data in Redis. """
self.feature_test.add_to_blacklist(3)
self.assertTrue(3 in Feature("testing").blacklist)
def test_add_to_blacklist_with_string(self):
""" Tests calling add_to_blacklist sets the correct
data in Redis when using a string. """
email = '*****@*****.**'
self.feature_test.add_to_blacklist(email)
self.assertTrue(email in Feature("testing").blacklist)
def test_remove_from_blacklist(self):
""" Tests calling remove_from_blacklist sets the correct
data in Redis. """
self.feature_test.add_to_blacklist(3)
self.feature_test.remove_from_blacklist(3)
self.assertFalse(3 in Feature("testing").blacklist)
def test_remove_from_blacklist_with_string(self):
""" Tests calling remove_from_blacklist using string sets the correct
data in Redis. """
email = '*****@*****.**'
self.feature_test.add_to_blacklist(email)
self.feature_test.remove_from_blacklist(email)
self.assertFalse(email in Feature("testing").blacklist)
def test_active_off(self):
""" Tests calling is_active is correct when off. """
self.feature_test.set_percentage(0)
self.assertFalse(self.feature_test.is_active)
def test_active_on(self):
""" Tests calling is_active is correct when on. """
self.feature_test.set_percentage(100)
self.assertTrue(self.feature_test.is_active)
def test_visible_whitelisted(self):
""" Tests calling is_visible is correct when whitelisted. """
self.feature_test.set_percentage(0)
self.feature_test.add_to_whitelist(3)
self.assertTrue(self.feature_test.is_visible(3))
def test_visible_whitelisted_with_string(self):
""" Tests calling is_visible with string is correct when whitelisted. """
email = '*****@*****.**'
self.feature_test.set_percentage(0)
self.feature_test.add_to_whitelist(email)
self.assertTrue(self.feature_test.is_visible(email))
def test_visible_blacklisted(self):
""" Tests calling is_visible is correct when blacklisted. """
self.feature_test.set_percentage(100)
self.feature_test.add_to_blacklist(3)
self.assertFalse(self.feature_test.is_visible(3))
def test_visible_blacklisted_with_string(self):
""" Tests calling is_visible with string is correct when blacklisted. """
email = '*****@*****.**'
self.feature_test.set_percentage(0)
self.feature_test.add_to_blacklist(email)
self.assertFalse(self.feature_test.is_visible(email))
def test_visible_white_and_blacklisted(self):
""" Tests calling is_visible is correct when both white and blacklisted. """
self.feature_test.set_percentage(0)
self.feature_test.add_to_whitelist(3)
self.feature_test.add_to_blacklist(3)
self.assertTrue(self.feature_test.is_visible(3))
def test_visible_white_and_blacklisted_with_string(self):
""" Tests calling is_visible is correct when both white and blacklisted. """
email = '*****@*****.**'
self.feature_test.set_percentage(0)
self.feature_test.add_to_whitelist(email)
self.feature_test.add_to_blacklist(email)
self.assertTrue(self.feature_test.is_visible(email))
def test_visible_ramp(self):
""" Tests calling is_visible is correct when partially ramped. """
total_number = 100000
expected_percentage = .10
self.feature_test.set_percentage(expected_percentage * 100)
# Generate a range of user ids and map these ids to the feature
# test result.
user_ids = range(1, total_number + 1)
visibility_map = [
self.feature_test.is_visible(user_id)
for user_id
in user_ids
]
# Count the number of success conditions.
visibility_count = visibility_map.count(True)
# This should match 10%.
actual_percentage = visibility_count / float(total_number)
self.assertAlmostEqual(actual_percentage, expected_percentage, delta=.012)
def test_visible_ramp_using_string(self):
"""Tests calling is_visible when using string as identifier is
correct when partially ramped.
"""
identifiers = list(itertools.product(string.lowercase, repeat=3))
total_number = len(identifiers)
expected_percentage = .10
self.feature_test.set_percentage(expected_percentage * 100)
# Generate a range of user ids and map these ids to the feature
# test result.
visibility_map = [self.feature_test.is_visible(identifier)
for identifier in identifiers]
# Count the number of success conditions.
visibility_count = visibility_map.count(True)
# This should match 10%.
actual_percentage = visibility_count / float(total_number)
self.assertAlmostEqual(actual_percentage, expected_percentage, delta=.012)
def test_is_ramped_using_int(self):
"""Tests that _is_ramped accepts integers as identifer."""
self.feature_test.set_percentage(100)
self.assertTrue(self.feature_test._is_ramped(5))
def test_is_ramped_using_string(self):
"""Tests that _is_ramped accepts strings as identifier."""
self.feature_test.set_percentage(100)
self.assertTrue(self.feature_test._is_ramped('*****@*****.**'))
def test_is_ramped_using_unicode_string(self):
"""Tests that _is_ramped accepts unicode strings as identifier."""
self.feature_test.set_percentage(100)
self.assertTrue(self.feature_test._is_ramped(u'\[email protected]'))
def test_redis_key(self):
""" Tests the redis key builder returns the expected string. """
generated = self.feature_test._get_redis_key()
expected = "feature.1.testing"
self.assertEqual(generated, expected)
def test_group_names(self):
feature_one = Feature('feature_one', feature_group_name='test_group')
feature_two = Feature('feature_two', feature_group_name='test_group')
feature_one.set_percentage(10)
feature_two.set_percentage(10)
identifiers = range(1, 10001)
visibility_test_one = [id for id in identifiers
if feature_one.is_visible(id)]
visibility_test_two = [id for id in identifiers
if feature_two.is_visible(id)]
self.assertEqual(visibility_test_one, visibility_test_two)
class FeatureTest(TestCase):
""" Tests the feature ramping system in Redis. """
def setUp(self):
self.feature_test = Feature("testing")
def tearDown(self):
for feature in Feature.all_features():
Feature(feature).delete()
def test_initialize_feature_with_default_percentage(self):
feature_test = Feature("testing", default_percentage=100)
self.assertEquals(feature_test.percentage, 100)
def test_reset_settings(self):
""" Tests calling reset_settings resets the correct
data and updates it in Redis. """
self.feature_test.set_percentage(5)
self.feature_test.add_to_whitelist(3)
self.feature_test.add_to_blacklist(4)
self.feature_test.reset_settings()
generated = Feature("testing")
self.assertEqual(generated.percentage, 0)
self.assertFalse(3 in generated.whitelist)
self.assertFalse(4 in generated.blacklist)
def test_delete(self):
""" Tests that calling delete removes the data from Redis. """
self.feature_test.set_percentage(5)
self.feature_test.delete()
key = self.feature_test._get_redis_key()
redis_data = redis.get(key)
self.assertTrue(redis_data is None)
set_key = Feature._get_redis_set_key()
self.assertFalse(redis.sismember(set_key, key))
def test_all_features(self):
""" Tests that the method returns a list of all feature names activated. """
to_create = ['looktest1', 'looktest2', 'looktest3']
for f in to_create:
Feature(f).activate()
all_features = Feature.all_features()
self.assertEqual(len(all_features), len(to_create))
for f in to_create:
self.assertTrue(f in all_features)
def test_all_features_with_data(self):
""" Tests that the method returns the correct data with activated features. """
feature1 = Feature('looktest1')
feature1.set_percentage(5)
feature2 = Feature('looktest2')
feature2.activate()
feature2.add_to_whitelist(3)
feature3 = Feature('looktest3')
feature3.activate()
feature3.add_to_blacklist(4)
feature3.add_to_blacklist(5)
feature4 = Feature('looktest4')
feature4.activate()
feature4.add_to_whitelist(3)
feature4.add_to_whitelist(5)
feature4.add_to_blacklist(4)
all_features = Feature.all_features(include_data=True)
self.assertEqual(len(all_features), 4)
for key in ['looktest1', 'looktest2', 'looktest3', 'looktest4']:
self.assertTrue(key in all_features)
if not key == 'looktest1':
self.assertEqual(all_features[key]['percentage'], 100)
self.assertEqual(all_features['looktest1']['percentage'], 5)
self.assertFalse('whitelist' in all_features['looktest1'])
self.assertFalse('blacklist' in all_features['looktest1'])
self.assertTrue('whitelist' in all_features['looktest2'])
self.assertEqual(all_features['looktest2']['whitelist'], [3])
self.assertFalse('blacklist' in all_features['looktest2'])
self.assertFalse('whitelist' in all_features['looktest3'])
self.assertTrue('blacklist' in all_features['looktest3'])
self.assertEqual(all_features['looktest3']['blacklist'], [4, 5])
self.assertTrue('whitelist' in all_features['looktest4'])
self.assertEqual(all_features['looktest4']['whitelist'], [3, 5])
self.assertTrue('blacklist' in all_features['looktest4'])
self.assertEqual(all_features['looktest4']['blacklist'], [4])
def test_set_add(self):
""" Tests that creating a feature stores its key in a Redis set. """
self.feature_test.set_percentage(15)
key = self.feature_test._get_redis_key()
set_key = Feature._get_redis_set_key()
self.assertTrue(redis.sismember(set_key, key))
def test_set_percentage(self):
""" Tests calling set_percentage sets the correct
data in Redis. """
self.feature_test.set_percentage(5)
self.assertEqual(Feature("testing").percentage, 5)
def test_set_float_percentage(self):
""" Tests that calling set_percentage() with a float truncates to int. """
self.feature_test.set_percentage(50.5)
self.assertEqual(self.feature_test.percentage, 50)
def test_set_string_percentage(self):
""" Tests that calling set_percentage() with a string converts it to an int if possible. """
self.feature_test.set_percentage("50")
self.assertEqual(self.feature_test.percentage, 50)
self.assertTrue(isinstance(self.feature_test.percentage, int))
def test_set_invalid_string_percentage(self):
""" Tests that calling set_percentage() on an invalid percentage raises ValueError. """
with self.assertRaises(ValueError):
self.feature_test.set_percentage("meow")
def test_add_to_whitelist(self):
""" Tests calling add_to_whitelist sets the correct
data in Redis. """
self.feature_test.add_to_whitelist(3)
self.assertTrue(3 in Feature("testing").whitelist)
def test_add_to_whitelist_with_string(self):
""" Tests calling add_to_whitelist sets the correct
data in Redis when using a string. """
email = '*****@*****.**'
self.feature_test.add_to_whitelist(email)
self.assertTrue(email in Feature("testing").whitelist)
def test_remove_from_whitelist(self):
""" Tests calling remove_from_whitelist sets the correct
data in Redis. """
self.feature_test.add_to_whitelist(3)
self.feature_test.remove_from_whitelist(3)
self.assertFalse(3 in Feature("testing").whitelist)
def test_remove_from_whitelist_with_string(self):
""" Tests calling remove_from_whitelist using string sets the correct
data in Redis. """
email = '*****@*****.**'
self.feature_test.add_to_whitelist(email)
self.feature_test.remove_from_whitelist(email)
self.assertFalse(email in Feature("testing").whitelist)
def test_add_to_blacklist(self):
""" Tests calling add_to_blacklist sets the correct
data in Redis. """
self.feature_test.add_to_blacklist(3)
self.assertTrue(3 in Feature("testing").blacklist)
def test_add_to_blacklist_with_string(self):
""" Tests calling add_to_blacklist sets the correct
data in Redis when using a string. """
email = '*****@*****.**'
self.feature_test.add_to_blacklist(email)
self.assertTrue(email in Feature("testing").blacklist)
def test_remove_from_blacklist(self):
""" Tests calling remove_from_blacklist sets the correct
data in Redis. """
self.feature_test.add_to_blacklist(3)
self.feature_test.remove_from_blacklist(3)
self.assertFalse(3 in Feature("testing").blacklist)
def test_remove_from_blacklist_with_string(self):
""" Tests calling remove_from_blacklist using string sets the correct
data in Redis. """
email = '*****@*****.**'
self.feature_test.add_to_blacklist(email)
self.feature_test.remove_from_blacklist(email)
self.assertFalse(email in Feature("testing").blacklist)
def test_active_off(self):
""" Tests calling is_active is correct when off. """
self.feature_test.set_percentage(0)
self.assertFalse(self.feature_test.is_active)
def test_active_on(self):
""" Tests calling is_active is correct when on. """
self.feature_test.set_percentage(100)
self.assertTrue(self.feature_test.is_active)
def test_visible_whitelisted(self):
""" Tests calling is_visible is correct when whitelisted. """
self.feature_test.set_percentage(0)
self.feature_test.add_to_whitelist(3)
self.assertTrue(self.feature_test.is_visible(3))
def test_visible_whitelisted_with_string(self):
""" Tests calling is_visible with string is correct when whitelisted. """
email = '*****@*****.**'
self.feature_test.set_percentage(0)
self.feature_test.add_to_whitelist(email)
self.assertTrue(self.feature_test.is_visible(email))
def test_visible_blacklisted(self):
""" Tests calling is_visible is correct when blacklisted. """
self.feature_test.set_percentage(100)
self.feature_test.add_to_blacklist(3)
self.assertFalse(self.feature_test.is_visible(3))
def test_visible_blacklisted_with_string(self):
""" Tests calling is_visible with string is correct when blacklisted. """
email = '*****@*****.**'
self.feature_test.set_percentage(0)
self.feature_test.add_to_blacklist(email)
self.assertFalse(self.feature_test.is_visible(email))
def test_visible_white_and_blacklisted(self):
""" Tests calling is_visible is correct when both white and blacklisted. """
self.feature_test.set_percentage(0)
self.feature_test.add_to_whitelist(3)
self.feature_test.add_to_blacklist(3)
self.assertTrue(self.feature_test.is_visible(3))
def test_visible_white_and_blacklisted_with_string(self):
""" Tests calling is_visible is correct when both white and blacklisted. """
email = '*****@*****.**'
self.feature_test.set_percentage(0)
self.feature_test.add_to_whitelist(email)
self.feature_test.add_to_blacklist(email)
self.assertTrue(self.feature_test.is_visible(email))
def test_visible_ramp(self):
""" Tests calling is_visible is correct when partially ramped. """
total_number = 100000
expected_percentage = .10
self.feature_test.set_percentage(expected_percentage * 100)
# Generate a range of user ids and map these ids to the feature
# test result.
user_ids = range(1, total_number + 1)
visibility_map = [
self.feature_test.is_visible(user_id) for user_id in user_ids
]
# Count the number of success conditions.
visibility_count = visibility_map.count(True)
# This should match 10%.
actual_percentage = visibility_count / float(total_number)
self.assertAlmostEqual(actual_percentage,
expected_percentage,
delta=.012)
def test_visible_ramp_using_string(self):
"""Tests calling is_visible when using string as identifier is
correct when partially ramped.
"""
identifiers = list(itertools.product(string.lowercase, repeat=3))
total_number = len(identifiers)
expected_percentage = .10
self.feature_test.set_percentage(expected_percentage * 100)
# Generate a range of user ids and map these ids to the feature
# test result.
visibility_map = [
self.feature_test.is_visible(identifier)
for identifier in identifiers
]
# Count the number of success conditions.
visibility_count = visibility_map.count(True)
# This should match 10%.
actual_percentage = visibility_count / float(total_number)
self.assertAlmostEqual(actual_percentage,
expected_percentage,
delta=.012)
def test_is_ramped_using_int(self):
"""Tests that _is_ramped accepts integers as identifer."""
self.feature_test.set_percentage(100)
self.assertTrue(self.feature_test._is_ramped(5))
def test_is_ramped_using_string(self):
"""Tests that _is_ramped accepts strings as identifier."""
self.feature_test.set_percentage(100)
self.assertTrue(self.feature_test._is_ramped('*****@*****.**'))
def test_is_ramped_using_unicode_string(self):
"""Tests that _is_ramped accepts unicode strings as identifier."""
self.feature_test.set_percentage(100)
self.assertTrue(self.feature_test._is_ramped(u'\[email protected]'))
def test_redis_key(self):
""" Tests the redis key builder returns the expected string. """
generated = self.feature_test._get_redis_key()
expected = "feature.1.testing"
self.assertEqual(generated, expected)
def test_group_names(self):
feature_one = Feature('feature_one', feature_group_name='test_group')
feature_two = Feature('feature_two', feature_group_name='test_group')
feature_one.set_percentage(10)
feature_two.set_percentage(10)
identifiers = range(1, 10001)
visibility_test_one = [
id for id in identifiers if feature_one.is_visible(id)
]
visibility_test_two = [
id for id in identifiers if feature_two.is_visible(id)
]
self.assertEqual(visibility_test_one, visibility_test_two)