Examples with ToSet uk.gov.gchq.gaffer.operation.impl.output.ToSet used on opensource projects

Example 6 with ToSet

use of uk.gov.gchq.gaffer.operation.impl.output.ToSet in project Gaffer by gchq.

the class MapHandlerTest method shouldProcessWalksInOperationChain.

@Test
public void shouldProcessWalksInOperationChain() throws OperationException {
    // Given
    final Iterable<Iterable<Set<Edge>>> walks = Arrays.asList(walk, walk1);
    final Map<Iterable<Iterable<Set<Edge>>>, Iterable<Edge>> map = new Map.Builder<Iterable<Iterable<Set<Edge>>>>().input(walks).first(new IterableFunction.Builder<Iterable<Set<Edge>>>().first(new FirstItem<>()).then(new FirstItem<>()).build()).build();
    final ToVertices toVertices = new ToVertices.Builder().edgeVertices(ToVertices.EdgeVertices.SOURCE).build();
    final ToSet<Object> toSet = new ToSet<>();
    final OperationChain<Set<?>> opChain = new OperationChain.Builder().first(map).then(toVertices).then(toSet).build();
    final OperationChainValidator opChainValidator = mock(OperationChainValidator.class);
    final List<OperationChainOptimiser> opChainOptimisers = Collections.emptyList();
    given(opChainValidator.validate(any(), any(), any())).willReturn(new ValidationResult());
    final OperationChainHandler<Set<?>> opChainHandler = new OperationChainHandler<>(opChainValidator, opChainOptimisers);
    given(store.handleOperation(map, context)).willReturn(Arrays.asList(EDGE_AB, EDGE_CB));
    given(store.handleOperation(toVertices, context)).willReturn(Arrays.asList("A", "C"));
    given(store.handleOperation(toSet, context)).willReturn(Sets.newHashSet("A", "C"));
    // When
    final Iterable<?> results = opChainHandler.doOperation(opChain, context, store);
    // Then
    assertThat((Iterable<String>) results).containsOnly("A", "C");
}