@Test
	public void quotesInParams2() {
		List<ModuleDescriptor> requests = parser.parse("test",
				"http --port=9700 | filter --expression=payload.matches('hello world') | file", stream);
		assertEquals(3, requests.size());
		ModuleDescriptor filter = requests.get(1);
		assertEquals("filter", filter.getModuleName());
		assertEquals("test", filter.getGroup());
		assertEquals(1, filter.getIndex());
		assertEquals(ModuleType.processor, filter.getType());
		Map<String, String> sourceParameters = filter.getParameters();
		assertEquals(1, sourceParameters.size());
		assertEquals("payload.matches('hello world')", sourceParameters.get("expression"));
	}
@author Mark Fisher
@author David Turanski
spring-xd-dirt/src/test/java/org/springframework/xd/dirt/stream/XDStreamParserTests.java