/*
* $Id: ValueHolderTestCaseBase.java,v 1.14 2007/04/27 22:00:15 ofung Exp $
*/
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package javax.faces.component;
import javax.faces.component.html.HtmlInputText;
import javax.faces.convert.Converter;
import javax.faces.convert.LongConverter;
import javax.faces.convert.NumberConverter;
import javax.faces.convert.ShortConverter;
import java.beans.PropertyDescriptor;
import java.lang.reflect.Field;
import java.util.Map;
import java.util.WeakHashMap;
import junit.framework.Test;
import junit.framework.TestSuite;
/**
* <p>Unit tests for {@link ValueHolder}. Any test case for a
* component class that implements {@link ValueHolder} should
* extend this class.</p>
*/
public abstract class ValueHolderTestCaseBase extends UIComponentBaseTestCase {
// ------------------------------------------------------------ Constructors
/**
* Construct a new instance of this test case.
*
* @param name Name of the test case
*/
public ValueHolderTestCaseBase(String name) {
super(name);
}
// ---------------------------------------------------- Overall Test Methods
// Set up instance variables required by this test case.
public void setUp() {
super.setUp();
component = new UIOutput();
expectedId = null;
expectedRendererType = "Text";
}
// Return the tests included in this test case.
public static Test suite() {
return (new TestSuite(ValueHolderTestCaseBase.class));
}
// Tear down instance variables required by ths test case
public void tearDown() {
super.tearDown();
}
// ------------------------------------------------- Individual Test Methods
public void testAttributesTransparencyNonDeterministic() throws Exception {
final int numThreads = 30;
final Boolean outcomes[] = new Boolean[numThreads];
Runnable runnables[] = new Runnable[numThreads];
int i = 0;
for (i = 0; i < outcomes.length; i++) {
outcomes[i] = null;
}
for (i = 0; i < runnables.length; i++) {
runnables[i] = new Runnable() {
public void run() {
int threadNum = 0;
try {
threadNum = Integer.valueOf(Thread.currentThread().
getName()).intValue();
} catch (NumberFormatException ex) {
fail("Expected thread name to be an integer");
}
// Even threadNums use HtmlInputText, odd use this component
boolean isEven = (threadNum % 2) == 0;
ValueHolder vh = null;
UIComponent newComp = null;
if (isEven) {
newComp = new HtmlInputText();
vh = (ValueHolder) newComp;
}
else {
try {
newComp = ValueHolderTestCaseBase.this.component.getClass().newInstance();
vh = (ValueHolder) newComp;
} catch (IllegalAccessException ex) {
fail("Can't instantiate class of " + ValueHolderTestCaseBase.this.component.getClass().getName());
} catch (InstantiationException ex) {
fail("Can't instantiate class of " + ValueHolderTestCaseBase.this.component.getClass().getName());
}
}
try {
boolean result = doTestAttributesTransparency(vh, newComp);
outcomes[threadNum] = new Boolean(result);
}
catch (Throwable e) {
e.printStackTrace();
outcomes[threadNum] = new Boolean(false);
}
}
};
}
clearDescriptors();
Thread thread = null;
for (i = 0; i < runnables.length; i++) {
thread = new Thread(runnables[i], "" + i);
thread.start();
}
// Keep polling the outcomes array until there are no nulls.
boolean foundNull = false;
while (!foundNull) {
for (i = 0; i < outcomes.length; i++) {
if (null != outcomes[i]) {
foundNull = true;
}
}
Thread.currentThread().sleep(500);
}
for (i = 0; i < outcomes.length; i++) {
if (!outcomes[i].booleanValue()) {
fail("Thread " + i + " failed");
}
}
}
private void clearDescriptors() throws Exception {
Field descriptorsField = UIComponentBase.class.getDeclaredField("descriptors");
descriptorsField.setAccessible(true);
WeakHashMap<Class<?>, Map<String, PropertyDescriptor>> descriptors =
(WeakHashMap<Class<?>, Map<String, PropertyDescriptor>>) descriptorsField
.get(null);
descriptors.clear();
}
public void testAttributesTransparency() {
super.testAttributesTransparency();
ValueHolder vh = (ValueHolder) component;
doTestAttributesTransparency(vh, component);
}
// Test attribute-property transparency
public boolean doTestAttributesTransparency(ValueHolder vh, UIComponent newComp) {
assertEquals(vh.getValue(),
(String) newComp.getAttributes().get("value"));
vh.setValue("foo");
assertEquals("foo", (String) newComp.getAttributes().get("value"));
vh.setValue(null);
assertNull((String) newComp.getAttributes().get("value"));
newComp.getAttributes().put("value", "bar");
assertEquals("bar", vh.getValue());
newComp.getAttributes().put("value", null);
assertNull(vh.getValue());
assertEquals(vh.getConverter(),
(String) newComp.getAttributes().get("converter"));
vh.setConverter(new LongConverter());
assertNotNull((Converter) newComp.getAttributes().get("converter"));
assertTrue(newComp.getAttributes().get("converter")
instanceof LongConverter);
vh.setConverter(null);
assertNull(newComp.getAttributes().get("converter"));
newComp.getAttributes().put("converter", new ShortConverter());
assertNotNull(vh.getConverter());
assertTrue(vh.getConverter() instanceof ShortConverter);
newComp.getAttributes().put("converter", null);
assertNull(vh.getConverter());
return true;
}
// Suppress lifecycle tests since we do not have a renderer
public void testLifecycleManagement() {
}
// Test a pristine ValueHolderBase instance
public void testPristine() {
super.testPristine();
ValueHolder vh = (ValueHolder) component;
// Validate properties
assertNull("no value", vh.getValue());
assertNull("no converter", vh.getConverter());
}
// Test setting properties to invalid values
public void testPropertiesInvalid() throws Exception {
super.testPropertiesInvalid();
ValueHolder vh = (ValueHolder) component;
}
// Test setting properties to valid values
public void testPropertiesValid() throws Exception {
super.testPropertiesValid();
ValueHolder vh = (ValueHolder) component;
// value
vh.setValue("foo.bar");
assertEquals("expected value",
"foo.bar", vh.getValue());
vh.setValue(null);
assertNull("erased value", vh.getValue());
// converter
vh.setConverter(new LongConverter());
assertTrue("expected converter",
vh.getConverter() instanceof LongConverter);
vh.setConverter(null);
assertNull("erased converter", vh.getConverter());
}
// --------------------------------------------------------- Support Methods
// Check that the properties of the NumberConverters are equal
protected void checkNumberConverter(NumberConverter nc1,
NumberConverter nc2) {
assertEquals(nc1.getCurrencyCode(), nc2.getCurrencyCode());
assertEquals(nc1.getCurrencySymbol(), nc2.getCurrencySymbol());
assertEquals(nc1.isGroupingUsed(), nc2.isGroupingUsed());
assertEquals(nc1.isIntegerOnly(), nc2.isIntegerOnly());
assertEquals(nc1.getMaxFractionDigits(), nc2.getMaxFractionDigits());
assertEquals(nc1.getMaxIntegerDigits(), nc2.getMaxIntegerDigits());
assertEquals(nc1.getMinFractionDigits(), nc2.getMinFractionDigits());
assertEquals(nc1.getMinIntegerDigits(), nc2.getMinIntegerDigits());
assertEquals(nc1.getLocale(), nc2.getLocale());
assertEquals(nc1.getPattern(), nc2.getPattern());
assertEquals(nc1.getType(), nc2.getType());
}
// Check that the properties on the specified components are equal
protected void checkProperties(UIComponent comp1, UIComponent comp2) {
super.checkProperties(comp1, comp2);
ValueHolder vh1 = (ValueHolder) comp1;
ValueHolder vh2 = (ValueHolder) comp2;
assertEquals(vh1.getValue(), vh2.getValue());
checkNumberConverter((NumberConverter) vh1.getConverter(),
(NumberConverter) vh2.getConverter());
}
// Populate a pristine component to be used in state holder tests
protected void populateComponent(UIComponent component) {
super.populateComponent(component);
ValueHolder vh = (ValueHolder) component;
vh.setValue("component value");
vh.setConverter(createNumberConverter());
}
// Create and configure a NumberConverter
protected NumberConverter createNumberConverter() {
NumberConverter nc = new NumberConverter();
nc.setCurrencyCode("USD");
nc.setCurrencySymbol("$");
nc.setGroupingUsed(false);
nc.setIntegerOnly(true);
nc.setMaxFractionDigits(2);
nc.setMaxIntegerDigits(10);
nc.setMinFractionDigits(2);
nc.setMinIntegerDigits(5);
nc.setType("currency");
return (nc);
}
protected void checkNumberConverters(NumberConverter nc1,
NumberConverter nc2) {
assertNotNull(nc1);
assertNotNull(nc2);
assertEquals(nc1.getCurrencyCode(), nc2.getCurrencyCode());
assertEquals(nc1.getCurrencySymbol(), nc2.getCurrencySymbol());
assertEquals(nc1.isGroupingUsed(), nc2.isGroupingUsed());
assertEquals(nc1.isIntegerOnly(), nc2.isIntegerOnly());
assertEquals(nc1.getMaxFractionDigits(), nc2.getMaxFractionDigits());
assertEquals(nc1.getMaxIntegerDigits(), nc2.getMaxIntegerDigits());
assertEquals(nc1.getMinFractionDigits(), nc2.getMinFractionDigits());
assertEquals(nc1.getMinIntegerDigits(), nc2.getMinIntegerDigits());
assertEquals(nc1.getLocale(), nc2.getLocale());
assertEquals(nc1.getPattern(), nc2.getPattern());
assertEquals(nc1.getType(), nc2.getType());
}
}