@Test
public void testProcessAndSendWithSizeExpressionEvaluated() throws Exception {
when(group.getMessages()).thenReturn(messages);
processor = new ExpressionEvaluatingMessageGroupProcessor("#root.size()");
Object result = processor.processMessageGroup(group);
assertTrue(result instanceof Message<?>);
Message<?> resultMessage = (Message<?>) result;
assertEquals(5, resultMessage.getPayload());
}
@Test
public void testProcessAndCheckHeaders() throws Exception {
when(group.getMessages()).thenReturn(messages);
processor = new ExpressionEvaluatingMessageGroupProcessor("#root");
Object result = processor.processMessageGroup(group);
assertTrue(result instanceof Message<?>);
Message<?> resultMessage = (Message<?>) result;
assertEquals("bar", resultMessage.getHeaders().get("foo"));
}
@Test
public void testProcessAndSendWithFilterAndProjectionAndMethodInvokingExpressionEvaluated()
throws Exception {
when(group.getMessages()).thenReturn(messages);
processor =
new ExpressionEvaluatingMessageGroupProcessor(
String.format("T(%s).sum(?[payload>2].![payload])", getClass().getName()));
Object result = processor.processMessageGroup(group);
assertTrue(result instanceof Message<?>);
Message<?> resultMessage = (Message<?>) result;
assertEquals(3 + 4 + 5, resultMessage.getPayload());
}
@Test
public void testProcessAndSendWithFilterAndProjectionExpressionEvaluated() throws Exception {
when(group.getMessages()).thenReturn(messages);
processor = new ExpressionEvaluatingMessageGroupProcessor("?[payload>2].![payload]");
Object result = processor.processMessageGroup(group);
assertTrue(result instanceof Message<?>);
Message<?> resultMessage = (Message<?>) result;
assertTrue(resultMessage.getPayload() instanceof Collection<?>);
Collection<?> list = (Collection<?>) resultMessage.getPayload();
assertEquals(3, list.size());
assertTrue(list.contains(3));
assertTrue(list.contains(4));
assertTrue(list.contains(5));
}
