@Test
public void testNewResultSet_Iterator_Close() throws Exception {
QueryOptions queryOptions = new QueryOptions();
// Mocks
ConnectionManager connectionManager = mock(ConnectionManager.class);
Connection connection = mock(Connection.class);
PreparedStatement preparedStatement = mock(PreparedStatement.class);
java.sql.ResultSet resultSet = mock(java.sql.ResultSet.class);
@SuppressWarnings("unchecked")
SimpleAttribute<Integer, Car> idToObject =
(SimpleAttribute<Integer, Car>) mock(SimpleAttribute.class);
// Behaviour
when(connectionManager.getConnection(any(SQLiteIndex.class))).thenReturn(connection);
when(connection.prepareStatement(
"SELECT DISTINCT objectKey, value FROM " + TABLE_NAME + " WHERE value = ?;"))
.thenReturn(preparedStatement);
when(preparedStatement.executeQuery()).thenReturn(resultSet);
when(resultSet.getStatement()).thenReturn(preparedStatement);
when(resultSet.next()).thenReturn(true).thenReturn(true).thenReturn(false);
when(resultSet.getInt(1)).thenReturn(1).thenReturn(3);
when(idToObject.getValue(1, queryOptions)).thenReturn(data.get(0));
when(idToObject.getValue(3, queryOptions)).thenReturn(data.get(2));
// Iterator
ResultSet<Car> carsWithAbs =
new SQLiteIndex<String, Car, Integer>(
Car.FEATURES, OBJECT_TO_ID, idToObject, connectionManager)
.retrieve(equal(Car.FEATURES, "abs"), queryOptions);
Assert.assertNotNull(carsWithAbs);
Iterator carsWithAbsIterator = carsWithAbs.iterator();
assertTrue(carsWithAbsIterator.hasNext());
Assert.assertNotNull(carsWithAbsIterator.next());
assertTrue(carsWithAbsIterator.hasNext());
Assert.assertNotNull(carsWithAbsIterator.next());
assertFalse(carsWithAbsIterator.hasNext());
// The end of the iteration should close the resources
verify(connection, times(1)).close();
verify(preparedStatement, times(1)).close();
verify(resultSet, times(1)).close();
}
@Test
public void testObjectKeyIterable() {
Iterable<Integer> objectKeys = SQLiteIndex.objectKeyIterable(data, Car.CAR_ID, null);
Assert.assertNotNull(objectKeys);
Iterator<Integer> objectKeysIterator = objectKeys.iterator();
Assert.assertNotNull(objectKeysIterator);
assertTrue(objectKeysIterator.hasNext());
assertEquals(new Integer(1), objectKeysIterator.next());
assertTrue(objectKeysIterator.hasNext());
assertEquals(new Integer(2), objectKeysIterator.next());
assertTrue(objectKeysIterator.hasNext());
assertEquals(new Integer(3), objectKeysIterator.next());
assertTrue(objectKeysIterator.hasNext());
assertEquals(new Integer(4), objectKeysIterator.next());
assertTrue(objectKeysIterator.hasNext());
assertEquals(new Integer(5), objectKeysIterator.next());
assertFalse(objectKeysIterator.hasNext());
}