@Test
	public void moduleAliasing() {
		Tokenizer t = new Tokenizer("mystream = foo");
		checkTokens(t, token_id("mystream", 0, 8), token(EQUALS, 9, 10), token_id("foo", 11, 14));
	}
Check the tokenizer breaks strings up into correct token streams.

@author Andy Clement
spring-xd-dirt/src/test/java/org/springframework/xd/dirt/stream/dsl/TokenizerTests.java