Examples with Min uk.gov.gchq.gaffer.operation.impl.compare.Min used on opensource projects

Example 1 with Min

use of uk.gov.gchq.gaffer.operation.impl.compare.Min in project Gaffer by gchq.

the class MinHandlerTest method shouldFindMinBasedOnProperty.

@Test
public void shouldFindMinBasedOnProperty() throws OperationException {
    // Given
    final Entity entity1 = makeEntity("property", 1);
    final Entity entity2 = makeEntity("property", 2);
    final Entity entity3 = makeEntity("property", 3);
    final Entity entity4 = makeEntity("property", 1);
    final List<Entity> input = Lists.newArrayList(entity1, entity2, entity3, entity4);
    final Min min = new Min.Builder().input(input).comparators(new ElementPropertyComparator.Builder().groups(TestGroups.ENTITY).property("property").build()).build();
    final MinHandler handler = new MinHandler();
    // When
    final Element result = handler.doOperation(min, null, null);
    // Then
    assertTrue(result instanceof Entity);
    assertEquals(1, result.getProperty("property"));
}

Example 2 with Min

use of uk.gov.gchq.gaffer.operation.impl.compare.Min in project Gaffer by gchq.

the class MinHandlerTest method shouldFindMinBasedOnElement.

@Test
public void shouldFindMinBasedOnElement() throws OperationException {
    // Given
    final Entity entity1 = makeEntity(1, 1);
    final Entity entity2 = makeEntity(2, 2);
    final Entity entity3 = makeEntity(3, 3);
    final Entity entity4 = makeEntity(4, 4);
    final List<Entity> input = Lists.newArrayList(entity1, entity2, entity3, entity4);
    final Min min = new Min.Builder().input(input).comparators(new SimpleElementComparator()).build();
    final MinHandler handler = new MinHandler();
    // When
    final Element result = handler.doOperation(min, null, null);
    // Then
    assertTrue(result instanceof Entity);
    assertEquals(1, result.getProperty("property1"));
    assertEquals(1, result.getProperty("property2"));
}

Example 3 with Min

use of uk.gov.gchq.gaffer.operation.impl.compare.Min in project Gaffer by gchq.

the class AbstractExamplesFactoryTest method shouldUseSchemaForMinOperation.

@Test
public void shouldUseSchemaForMinOperation() throws InstantiationException, IllegalAccessException {
    // Given
    TestExamplesFactory examplesFactory = new TestExamplesFactory(SCHEMA);
    // When
    Min operation = (Min) examplesFactory.generateExample(Min.class);
    // Then
    // Min has no equals method
    assertEquals(1, operation.getComparators().size());
    assertEquals(Sets.newHashSet("BasicEdge"), ((ElementPropertyComparator) operation.getComparators().get(0)).getGroups());
    assertEquals("count", ((ElementPropertyComparator) operation.getComparators().get(0)).getProperty());
}

Example 4 with Min

use of uk.gov.gchq.gaffer.operation.impl.compare.Min in project Gaffer by gchq.

the class MinHandlerTest method shouldReturnNullIfBothComparatorsAreNull.

@Test
public void shouldReturnNullIfBothComparatorsAreNull() throws OperationException {
    // Given
    final List<Entity> input = Lists.newArrayList();
    final Min min = new Min.Builder().input(input).build();
    final MinHandler handler = new MinHandler();
    // When
    final Element result = handler.doOperation(min, null, null);
    // Then
    assertNull(result);
}

Example 5 with Min

use of uk.gov.gchq.gaffer.operation.impl.compare.Min in project Gaffer by gchq.

the class MinHandlerTest method shouldFindMinBasedOnPropertyWithMissingProperty.

@Test
public void shouldFindMinBasedOnPropertyWithMissingProperty() throws OperationException {
    // Given
    final Entity entity1 = makeEntity("property1", 1);
    final Entity entity2 = makeEntity("property1", 2);
    final Entity entity3 = makeEntity("property1", 3);
    final Entity entity4 = makeEntity("property2", 1);
    final Entity entity5 = makeEntity("property2", 2);
    final List<Entity> input = Lists.newArrayList(entity1, entity2, entity3, entity4, entity5);
    final Min min1 = new Min.Builder().input(input).comparators(new ElementPropertyComparator.Builder().groups(TestGroups.ENTITY).property("property1").build()).build();
    final Min min2 = new Min.Builder().input(input).comparators(new ElementPropertyComparator.Builder().groups(TestGroups.ENTITY).property("property2").build()).build();
    final MinHandler handler = new MinHandler();
    // When
    final Element result1 = handler.doOperation(min1, null, null);
    final Element result2 = handler.doOperation(min2, null, null);
    // Then
    assertTrue(result1 instanceof Entity);
    assertTrue(result2 instanceof Entity);
    assertEquals(1, result1.getProperty("property1"));
    assertEquals(1, result2.getProperty("property2"));
}