AssertNotNil forces a panic if the specified value is nil (either a nil interface value, or a nil pointer).

DataSourceThatIsAlwaysInitialized returns a test component factory that produces a data source that immediately reports success on startup, although it does not provide any data.

DataSourceThatNeverInitializes returns a test component factory that produces a data source that immediately starts up in a failed state and does not provide any data.

ExpectBigSegmentStoreStatus waits for a status value to appear in a channel and also verifies that it matches the status currently being reported by the status provider.

MakeMockDataSet constructs a data set to be passed to a data store's Init method.

MakeSerializedMockDataSet constructs a data set to be passed to a persistent data store's Init method.

NewCapturingDataStore creates an instance of CapturingDataStore.

NewMockDatabaseInstance creates an instance of MockDatabaseInstance.

NewMockDataDestination creates an instance of MockDataDestination.

NewMockDataSourceUpdates creates an instance of MockDataSourceUpdates.

NewMockPersistentDataStore creates a test implementation of a persistent data store.

NewMockPersistentDataStoreWithPrefix creates a test implementation of a persistent data store that uses a MockDatabaseInstance to simulate a shared database.

NewMockStatusReporter creates an instance of MockStatusReporter.

NewPollingRequester constructs a Requester.

MockData is an instance of ld.StoreDataKind corresponding to MockDataItem.

MockOtherData is an instance of ld.StoreDataKind corresponding to another flavor of MockDataItem.

CapturingDataStore is a DataStore implementation that records update operations for testing.

CapturingEventProcessor is a test implementation of EventProcessor that accumulates all events.

ComponentConfigurerThatCapturesClientContext is a test decorator for a ComponentConfigurer that allows tests to see the ClientContext that was passed to it.

ComponentConfigurerThatReturnsError is a test implementation of ComponentConfigurer that always returns an error.

DataSourceFactoryWithData is a test implementation of ComponentConfigurer that will cause the data source to provide a specific set of data when it starts.

MockBigSegmentStore is a minimal mock implementation of BigSegmentStore.

MockDatabaseInstance can be used with MockPersistentDataStore to simulate multiple data store instances sharing the same underlying data space.

MockDataDestination is a mock implementation of a data destination used by tests involving FDv2 data sources.

MockDataItem is a test replacement for FeatureFlag/Segment.

MockDataSourceUpdates is a mock implementation of DataSourceUpdates for testing data sources.

MockPersistentDataStore is a test implementation of PersistentDataStore.

MockStatusReporter is a mock implementation of DataSourceUpdates for testing data sources.

RequestAllResponse is used to inject custom responses into the Requester, which will subsequently return them to the object under test.

Requester is a mock used in polling_data_source_test.go, to satisfy the datasource.Requester interface (used by PollingProcessor).

SingleComponentConfigurer is a test implementation of ComponentConfigurer that always returns the same pre-existing instance.

UpsertParams holds the parameters of an Upsert operation captured by CapturingDataStore.