@Test
	public void oneModule() {
		Tokenizer t = new Tokenizer("foo");
		checkTokens(t, token_id("foo", 0, 3));
	}
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