import static org.junit.Assert.assertEquals;

import org.junit.Test;

/**
 * A QuitterTest tests the Quitter class. In particular, it tests the Quitter's
 * <i>transform</i> method.
 * 
 * @author David Mutchler. Created October 8, 2009.
 */
public class QuitterTest {
	/**
	 * Test method for {@link Quitter#transform(java.lang.String)}.
	 */
	@Test
	public void testQuitAfter5() {
		Quitter quitAfter5 = new Quitter(5);

		assertEquals("First string - I am on it!", quitAfter5
				.transform("First string"));

		assertEquals(" - I am on it!", quitAfter5.transform(""));

		assertEquals("Third string - I am on it!", quitAfter5
				.transform("Third string"));

		assertEquals("Fourth string, testing a longer one. - I am on it!",
				quitAfter5.transform("Fourth string, testing a longer one."));

		assertEquals("Fifth string - I am on it!", quitAfter5
				.transform("Fifth string"));

		// Should quit appending from here on.
		assertEquals("Sixth string", quitAfter5.transform("Sixth string"));

		assertEquals("Seventh string-!", quitAfter5
				.transform("Seventh string-!"));

		assertEquals("Eighthhhh", quitAfter5.transform("Eighthhhh"));

		assertEquals("Ninth string", quitAfter5.transform("Ninth string"));

		assertEquals("TENTH", quitAfter5.transform("TENTH"));

		assertEquals("11", quitAfter5.transform("11"));
	}

	/**
	 * Test method for {@link Quitter#transform(java.lang.String)}.
	 */
	@Test
	public void testDefaultQuitter() {
		Quitter quitAfter1 = new Quitter();
		Quitter quitAfter1Too = new Quitter();

		// quitAfter1Too starts out appending.
		assertEquals("First string - I am on it!", quitAfter1
				.transform("First string"));

		// quitAfter1 quits appending from here on.
		assertEquals("", quitAfter1.transform(""));
		assertEquals("Third string", quitAfter1.transform("Third string"));

		// quitAfter1Too starts out appending.
		assertEquals(" - I am on it!", quitAfter1Too.transform(""));

		// quitAfter1Too quits appending from here on.
		assertEquals("", quitAfter1Too.transform(""));
		assertEquals("Third string", quitAfter1Too.transform("Third string"));
	}

	/**
	 * Test method for {@link Quitter#transform(java.lang.String)}.
	 */
	@Test
	public void testQuitterInteractions() {
		Quitter quitAfter5 = new Quitter(5);
		Quitter quitAfter1 = new Quitter();
		Quitter quitAfter1Too = new Quitter();

		// QuitAfter1 appends on its first transform.
		assertEquals("First string - I am on it!", quitAfter1
				.transform("First string"));

		// QuitAfter1Too appends on its first transform.
		assertEquals(" - I am on it!", quitAfter1Too.transform(""));

		// QuitAfter1 stops appending after its first transform.
		assertEquals("ABC", quitAfter1.transform("ABC"));
		assertEquals("DEF", quitAfter1.transform("DEF"));

		// QuitAfter5 appends on its first transform.
		assertEquals("First string - I am on it!", quitAfter5
				.transform("First string"));

		// QuitAfter1Too stops appending after its first transform.
		assertEquals("", quitAfter1Too.transform(""));

		// QuitAfter1 is finished appending.
		assertEquals("OK OK OK ", quitAfter1.transform("OK OK OK "));

		// QuitAfter1Too is finished appending.
		assertEquals("", quitAfter1Too.transform(""));
		assertEquals("", quitAfter1Too.transform(""));
		assertEquals("Third string", quitAfter1Too.transform("Third string"));
		assertEquals("Third string", quitAfter1Too.transform("Third string"));
		
		// QuitAfter1 is still finished appending.
		assertEquals("", quitAfter1.transform(""));

		// QuitAfter5 is still appending.
		assertEquals(" - I am on it!", quitAfter5.transform(""));
		assertEquals("Third string - I am on it!", quitAfter5
				.transform("Third string"));
		assertEquals("Fourth string, testing a longer one. - I am on it!",
				quitAfter5.transform("Fourth string, testing a longer one."));

		// QuitAfter1 is still finished appending.
		assertEquals("Third string", quitAfter1.transform("Third string"));

		// QuitAfter5 is still appending.
		assertEquals("Fifth string - I am on it!", quitAfter5
				.transform("Fifth string"));
		
		// QuitAfter5 has finally finished appending.
		assertEquals("Sixth string", quitAfter5.transform("Sixth string"));
		assertEquals("Seventh string-!", quitAfter5
				.transform("Seventh string-!"));
		assertEquals("Eighthhhh", quitAfter5.transform("Eighthhhh"));
		assertEquals("Ninth string", quitAfter5.transform("Ninth string"));
		assertEquals("TENTH", quitAfter5.transform("TENTH"));
		assertEquals("11", quitAfter5.transform("11"));
		
		// QuitAfter1 is still finished appending.
		assertEquals("The end!", quitAfter1.transform("The end!"));
	}
}