customeditortestsuite.java

Java/J2EE application framework based on [Expert One-on-One J2EE Design and Development] by Rod John

		}
		catch (BeansException ex) {
			fail("Should not throw BeansException: " + ex.getMessage());
		}
		assertTrue("Correct bool2 value", Boolean.FALSE.equals(bw.getPropertyValue("bool2")));
		assertTrue("Correct bool2 value", !tb.getBool2().booleanValue());

		try {
			bw.setPropertyValue("bool2", "");
		}
		catch (BeansException ex) {
			// expected
			assertTrue("Correct bool2 value", bw.getPropertyValue("bool2") != null);
			assertTrue("Correct bool2 value", tb.getBool2() != null);
			return;
		}
		fail("Should have throw BeansException");
	}

	public void testNumberEditorWithoutAllowEmpty() {
		NumberFormat nf = NumberFormat.getNumberInstance(Locale.GERMAN);
		NumberTestBean tb = new NumberTestBean();
		BeanWrapper bw = new BeanWrapperImpl(tb);
		bw.registerCustomEditor(short.class, null, new CustomNumberEditor(Short.class, nf, false));
		bw.registerCustomEditor(Short.class, null, new CustomNumberEditor(Short.class, nf, false));
		bw.registerCustomEditor(int.class, null, new CustomNumberEditor(Short.class, nf, false));
		bw.registerCustomEditor(Integer.class, null, new CustomNumberEditor(Integer.class, nf, false));
		bw.registerCustomEditor(long.class, null, new CustomNumberEditor(Long.class, nf, false));
		bw.registerCustomEditor(Long.class, null, new CustomNumberEditor(Long.class, nf, false));
		bw.registerCustomEditor(BigInteger.class, null, new CustomNumberEditor(BigInteger.class, nf, false));
		bw.registerCustomEditor(float.class, null, new CustomNumberEditor(Float.class, nf, false));
		bw.registerCustomEditor(Float.class, null, new CustomNumberEditor(Float.class, nf, false));
		bw.registerCustomEditor(double.class, null, new CustomNumberEditor(Double.class, nf, false));
		bw.registerCustomEditor(Double.class, null, new CustomNumberEditor(Double.class, nf, false));
		bw.registerCustomEditor(BigDecimal.class, null, new CustomNumberEditor(BigDecimal.class, nf, false));

		try {
			bw.setPropertyValue("short1", "1");
			bw.setPropertyValue("short2", "2");
			bw.setPropertyValue("int1", "7");
			bw.setPropertyValue("int2", "8");
			bw.setPropertyValue("long1", "5");
			bw.setPropertyValue("long2", "6");
			bw.setPropertyValue("bigInteger", "3");
			bw.setPropertyValue("float1", "7,1");
			bw.setPropertyValue("float2", "8,1");
			bw.setPropertyValue("double1", "5,1");
			bw.setPropertyValue("double2", "6,1");
			bw.setPropertyValue("bigDecimal", "4");
		}
		catch (BeansException ex) {
			fail("Should not throw BeansException: " + ex.getMessage());
		}

		assertTrue("Correct short1 value", new Short("1").equals(bw.getPropertyValue("short1")));
		assertTrue("Correct short1 value", tb.getShort1() == 1);
		assertTrue("Correct short2 value", new Short("2").equals(bw.getPropertyValue("short2")));
		assertTrue("Correct short2 value", new Short("2").equals(tb.getShort2()));
		assertTrue("Correct int1 value", new Integer("7").equals(bw.getPropertyValue("int1")));
		assertTrue("Correct int1 value", tb.getInt1() == 7);
		assertTrue("Correct int2 value", new Integer("8").equals(bw.getPropertyValue("int2")));
		assertTrue("Correct int2 value", new Integer("8").equals(tb.getInt2()));
		assertTrue("Correct long1 value", new Long("5").equals(bw.getPropertyValue("long1")));
		assertTrue("Correct long1 value", tb.getLong1() == 5);
		assertTrue("Correct long2 value", new Long("6").equals(bw.getPropertyValue("long2")));
		assertTrue("Correct long2 value", new Long("6").equals(tb.getLong2()));
		assertTrue("Correct bigInteger value", new BigInteger("3").equals(bw.getPropertyValue("bigInteger")));
		assertTrue("Correct bigInteger value", new BigInteger("3").equals(tb.getBigInteger()));
		assertTrue("Correct float1 value", new Float("7.1").equals(bw.getPropertyValue("float1")));
		assertTrue("Correct float1 value", new Float("7.1").equals(new Float(tb.getFloat1())));
		assertTrue("Correct float2 value", new Float("8.1").equals(bw.getPropertyValue("float2")));
		assertTrue("Correct float2 value", new Float("8.1").equals(tb.getFloat2()));
		assertTrue("Correct double1 value", new Double("5.1").equals(bw.getPropertyValue("double1")));
		assertTrue("Correct double1 value", tb.getDouble1() == 5.1);
		assertTrue("Correct double2 value", new Double("6.1").equals(bw.getPropertyValue("double2")));
		assertTrue("Correct double2 value", new Double("6.1").equals(tb.getDouble2()));
		assertTrue("Correct bigDecimal value", new BigDecimal("4.0").equals(bw.getPropertyValue("bigDecimal")));
		assertTrue("Correct bigDecimal value", new BigDecimal("4.0").equals(tb.getBigDecimal()));
	}

	public void testNumberEditorsWithAllowEmpty() {
		NumberFormat nf = NumberFormat.getNumberInstance(Locale.GERMAN);
		NumberTestBean tb = new NumberTestBean();
		BeanWrapper bw = new BeanWrapperImpl(tb);
		bw.registerCustomEditor(long.class, null, new CustomNumberEditor(Long.class, nf, true));
		bw.registerCustomEditor(Long.class, null, new CustomNumberEditor(Long.class, nf, true));

		try {
			bw.setPropertyValue("long1", "5");
			bw.setPropertyValue("long2", "6");
		}
		catch (BeansException ex) {
			fail("Should not throw BeansException: " + ex.getMessage());
		}
		assertTrue("Correct long1 value", new Long("5").equals(bw.getPropertyValue("long1")));
		assertTrue("Correct long1 value", tb.getLong1() == 5);
		assertTrue("Correct long2 value", new Long("6").equals(bw.getPropertyValue("long2")));
		assertTrue("Correct long2 value", new Long("6").equals(tb.getLong2()));

		try {
			bw.setPropertyValue("long2", "");
		}
		catch (BeansException ex) {
			fail("Should not throw BeansException: " + ex.getMessage());
		}
		assertTrue("Correct long2 value", bw.getPropertyValue("long2") == null);
		assertTrue("Correct long2 value", tb.getLong2() == null);

		try {
			bw.setPropertyValue("long1", "");
		}
		catch (BeansException ex) {
			// expected
			assertTrue("Correct long1 value", new Long("5").equals(bw.getPropertyValue("long1")));
			assertTrue("Correct long1 value", tb.getLong1() == 5);
			return;
		}
		fail("Should have thrown BeansException");
	}

	public void testCustomBooleanEditor() {
		CustomBooleanEditor editor = new CustomBooleanEditor(false);
		editor.setAsText("true");
		assertEquals(Boolean.TRUE, editor.getValue());
		assertEquals("true", editor.getAsText());
		editor.setAsText("false");
		assertEquals(Boolean.FALSE, editor.getValue());
		assertEquals("false", editor.getAsText());
		editor.setValue(null);
		assertEquals(null, editor.getValue());
		assertEquals("", editor.getAsText());
	}

	public void testCustomBooleanEditorWithEmptyAsNull() {
		CustomBooleanEditor editor = new CustomBooleanEditor(true);
		editor.setAsText("true");
		assertEquals(Boolean.TRUE, editor.getValue());
		assertEquals("true", editor.getAsText());
		editor.setAsText("false");
		assertEquals(Boolean.FALSE, editor.getValue());
		assertEquals("false", editor.getAsText());
		editor.setValue(null);
		assertEquals(null, editor.getValue());
		assertEquals("", editor.getAsText());
	}

	public void testCustomDateEditor() {
		CustomDateEditor editor = new CustomDateEditor(null, false);
		editor.setValue(null);
		assertEquals(null, editor.getValue());
		assertEquals("", editor.getAsText());
	}

	public void testCustomDateEditorWithEmptyAsNull() {
		CustomDateEditor editor = new CustomDateEditor(null, true);
		editor.setValue(null);
		assertEquals(null, editor.getValue());
		assertEquals("", editor.getAsText());
	}

	public void testCustomNumberEditor() {
		CustomNumberEditor editor = new CustomNumberEditor(Integer.class, false);
		editor.setAsText("5");
		assertEquals(new Integer(5), editor.getValue());
		assertEquals("5", editor.getAsText());
		editor.setValue(null);
		assertEquals(null, editor.getValue());
		assertEquals("", editor.getAsText());
	}

	public void testCustomNumberEditorWithEmptyAsNull() {
		CustomNumberEditor editor = new CustomNumberEditor(Integer.class, true);
		editor.setAsText("5");
		assertEquals(new Integer(5), editor.getValue());
		assertEquals("5", editor.getAsText());
		editor.setAsText("");
		assertEquals(null, editor.getValue());
		assertEquals("", editor.getAsText());
		editor.setValue(null);
		assertEquals(null, editor.getValue());
		assertEquals("", editor.getAsText());
	}

	public void testStringTrimmerEditor() {
		StringTrimmerEditor editor = new StringTrimmerEditor(false);
		editor.setAsText("test");
		assertEquals("test", editor.getValue());
		assertEquals("test", editor.getAsText());
		editor.setAsText(" test ");
		assertEquals("test", editor.getValue());
		assertEquals("test", editor.getAsText());
		editor.setAsText("");
		assertEquals("", editor.getValue());
		assertEquals("", editor.getAsText());
		editor.setValue(null);
		assertEquals("", editor.getAsText());
	}

	public void testStringTrimmerEditorWithEmptyAsNull() {
		StringTrimmerEditor editor = new StringTrimmerEditor(true);
		editor.setAsText("test");
		assertEquals("test", editor.getValue());
		assertEquals("test", editor.getAsText());
		editor.setAsText(" test ");
		assertEquals("test", editor.getValue());
		assertEquals("test", editor.getAsText());
		editor.setAsText("");
		assertEquals(null, editor.getValue());
		assertEquals("", editor.getAsText());
		editor.setValue(null);
		assertEquals("", editor.getAsText());
	}


	private static class TestBeanEditor extends PropertyEditorSupport {

		public void setAsText(String text) {
			TestBean tb = new TestBean();
			StringTokenizer st = new StringTokenizer(text, "_");
			tb.setName(st.nextToken());
			tb.setAge(Integer.parseInt(st.nextToken()));
			setValue(tb);
		}
	}

}