| import pytest |
|
|
| from simple_settings.core import LazySettings |
| from simple_settings.dynamic_settings import get_dynamic_reader |
|
|
| skip = False |
| try: |
| import six |
| from redis import StrictRedis |
|
|
| from simple_settings.dynamic_settings.redis_reader import \ |
| Reader as RedisReader |
| except ImportError: |
| skip = True |
|
|
|
|
| @pytest.mark.skipif(skip, reason='Installed without redis') |
| class TestDynamicRedisSettings: |
|
|
| @pytest.fixture |
| def settings_dict_to_override_by_redis(self): |
| return { |
| 'SIMPLE_SETTINGS': { |
| 'DYNAMIC_SETTINGS': {'backend': 'redis'} |
| }, |
| 'SIMPLE_STRING': 'simple' |
| } |
|
|
| @pytest.fixture |
| def redis(self): |
| redis = StrictRedis() |
|
|
| yield redis |
|
|
| redis.flushall() |
|
|
| @pytest.fixture |
| def reader(self, settings_dict_to_override_by_redis): |
| return get_dynamic_reader(settings_dict_to_override_by_redis) |
|
|
| def _get_value_from_redis(self, redis, key): |
| result = redis.get(key) |
| if isinstance(result, six.binary_type): |
| result = result.decode('utf-8') |
| return result |
|
|
| def test_should_return_an_instance_of_redis_reader( |
| self, settings_dict_to_override_by_redis |
| ): |
| reader = get_dynamic_reader(settings_dict_to_override_by_redis) |
| assert isinstance(reader, RedisReader) |
|
|
| def test_should_get_string_in_redis_by_reader(self, redis, reader): |
| key = 'SIMPLE_STRING' |
| expected_setting = 'simple from redis' |
| redis.set(key, expected_setting) |
|
|
| assert reader.get(key) == expected_setting |
|
|
| def test_should_set_string_in_redis_by_reader(self, redis, reader): |
| key = 'SIMPLE_STRING' |
| expected_setting = 'simple from redis' |
| reader.set(key, expected_setting) |
|
|
| assert self._get_value_from_redis(redis, key) == expected_setting |
|
|
| def test_should_use_redis_reader_with_simple_settings(self, redis): |
| settings = LazySettings('tests.samples.simple') |
| settings.configure( |
| SIMPLE_SETTINGS={'DYNAMIC_SETTINGS': {'backend': 'redis'}} |
| ) |
| settings._initialized = False |
| settings.setup() |
|
|
| assert settings.SIMPLE_STRING == 'simple' |
|
|
| redis.set('SIMPLE_STRING', 'dynamic') |
| assert settings.SIMPLE_STRING == 'dynamic' |
|
|
| settings.configure(SIMPLE_STRING='foo') |
| assert self._get_value_from_redis(redis, 'SIMPLE_STRING') == 'foo' |
|
|
| def test_should_use_redis_reader_with_prefix_with_simple_settings(self, redis): |
| settings = LazySettings('tests.samples.simple') |
| settings.configure( |
| SIMPLE_SETTINGS={'DYNAMIC_SETTINGS': {'backend': 'redis', 'prefix': 'MYAPP_'}} |
| ) |
| settings._initialized = False |
| settings.setup() |
|
|
| assert settings.SIMPLE_STRING == 'simple' |
|
|
| redis.set('MYAPP_SIMPLE_STRING', 'dynamic') |
| assert settings.SIMPLE_STRING == 'dynamic' |
|
|
| settings.configure(SIMPLE_STRING='foo') |
| assert self._get_value_from_redis(redis, 'MYAPP_SIMPLE_STRING') == 'foo' |
|
|
