The testProperty() is called, when the MultiMethodTest's testing method * is not found in the subclass. So, by defining such methods for properties * the standard testing behavioutr can be changed. * *
The testing behaviour also can be changed by overriding compare(),
* getNewVAlue() or toString(Object) methods, or by extending PropertyTester
* class.
*
* @see MultiMethodTest
* @see #testProperty(String)
* @see #testProperty(String, Propertytester)
* @see #getNewValue
* @see #compare
* @see #toString(Object)
*/
public class MultiPropertyTest extends MultiMethodTest {
/**
* Contains a XPropertySet interface of the tested object. Is initialized
* in MultiMethodTest code.
*/
public XPropertySet oObj;
protected boolean optionalService = false;
/**
* Overrides super.before() to check the service is supported by the object.
*/
protected void before() {
XServiceInfo xInfo = (XServiceInfo)UnoRuntime.queryInterface(
XServiceInfo.class, oObj);
optionalService = entry.isOptional;
String theService = getTestedClassName();
if (xInfo != null && !xInfo.supportsService(theService)) {
log.println("Service "+theService+" not available");
if (optionalService) {
log.println("This is OK since it is optional");
} else {
Status.failed(theService + " is not supported");
}
}
}
/**
* Overrides MultiMethodTest.invokeTestMethod(). If the test for the
* meth is not available (meth == null)
* calls testProperty method for the method. Otherwise calls
* super.invokeTestMethod().
*
* @see #MultiMethodTest.invokeTestMethod()
*/
protected void invokeTestMethod(Method meth, String methName) {
if (meth != null) {
super.invokeTestMethod(meth, methName);
} else {
testProperty(methName);
}
}
/**
* PropertyTester class defines how to test a property and defined
* to allow subclasses of MultiPropertyTest to change the testing
* behaviour more flexible, since the behaviour can be customized for
* each property separately, by providing subclass of PropertyTester
* and passing it to testProperty(String, PropertyTester method).
*/
public class PropertyTester {
/**
* The method defines the whole process of testing propName
* property.
*
*
First, it checks if the property exists(it maybe optional). * Then, a value to set the property with is calculated with * getNewValue method. Normally, the new value is calculated * based on old value, but subclasses can override the behaviour * (for example, if old value is null) and specify their own value. * Then the property is set with that new value and the result( * it maybe an exception too, for example a PropertyVetoException) * is checked with checkResult method. * * @param propName - the property to test. * @result - adds the result of testing propName property to * MultiMethodTest.tRes. */ protected void testProperty(String propName) { XPropertySetInfo info = oObj.getPropertySetInfo(); if (!info.hasPropertyByName(propName)) { if (isOptional(propName) || optionalService) { // skipping optional property test log.println("Property '" + propName + "' is optional and not supported"); tRes.tested(propName,true); return; } else { // cannot test the property log.println("Tested XPropertySet does not contain'" + propName + "' property"); tRes.tested(propName, false); return; } } try { Object oldValue = oObj.getPropertyValue(propName); Object newValue; // trying to create new value try { newValue = getNewValue(propName, oldValue); } catch (java.lang.IllegalArgumentException e) { // skipping test since new value is not available Status.failed("Cannot create new value for '" + propName + " : " + e.getMessage()); return; } // for an exception thrown during setting new value // to pass it to checkResult method Exception exception = null; try { oObj.setPropertyValue(propName, newValue); } catch(IllegalArgumentException e) { exception = e; } catch(PropertyVetoException e) { exception = e; } catch(WrappedTargetException e) { exception = e; } catch(UnknownPropertyException e) { exception = e; } catch(RuntimeException e) { exception = e; } // getting result value Object resValue = oObj.getPropertyValue(propName); // checking results checkResult(propName, oldValue, newValue, resValue, exception); } catch (Exception e) { log.println("Exception occured while testing property '" + propName + "'"); e.printStackTrace(log); tRes.tested(propName, false); } } /** * The method checks result of setting a new value to the * property based o the following arguments: * @propName - the property to test * @oldValue - the old value of the property, before changing it. * @newValue - the new value the property has been set with * @resValue - the value of the property after having changed it * @exception - if not null - the exception thrown by * XPropertySet.setPropertyValue, else indicates * normal method completion. * *
If the property is READ_ONLY, than either PropertyVetoException * should be thrown or the value of property should not have changed * (resValue is compared with oldValue with compare method). * *
If the property is not READ_ONLY, checks that the new value has * been successfully set(resValue is compared with newValue with * compare method). * *
If the exception is not null then(except the case of read-only * property and PropertyVetoException above) it is rethrown to allow * further catching it if needed. * *
Subclasses can override to change this behaviour.
*/
protected void checkResult(String propName, Object oldValue,
Object newValue, Object resValue, Exception exception)
throws Exception {
XPropertySetInfo info = oObj.getPropertySetInfo();
Property prop = info.getPropertyByName(propName);
short attr = prop.Attributes;
boolean readOnly = (prop.Attributes
& PropertyAttribute.READONLY) != 0;
boolean maybeVoid = (prop.Attributes
& PropertyAttribute.MAYBEVOID) != 0;
//check get-set methods
if (maybeVoid) log.println("Property "+propName+" is void");
if (readOnly) log.println("Property "+propName+" is readOnly");
if (util.utils.isVoid(oldValue) && !maybeVoid) {
log.println(propName
+ " is void, but it's not MAYBEVOID");
tRes.tested(propName, false);
} else if (oldValue == null ) {
log.println(propName
+ " has null value, and therefore can't be changed");
tRes.tested(propName, true);
} else if (readOnly) {
// check if exception was thrown
if (exception != null) {
if (exception instanceof PropertyVetoException) {
// the change of read only prohibited - OK
log.println("Property is ReadOnly and wasn't changed");
log.println("Property '" + propName + "' OK");
tRes.tested(propName, true);
} else if (exception instanceof IllegalArgumentException) {
// the change of read only prohibited - OK
log.println("Property is ReadOnly and wasn't changed");
log.println("Property '" + propName + "' OK");
tRes.tested(propName, true);
} else if (exception instanceof UnknownPropertyException) {
// the change of read only prohibited - OK
log.println("Property is ReadOnly and wasn't changed");
log.println("Property '" + propName + "' OK");
tRes.tested(propName, true);
}else if (exception instanceof RuntimeException) {
// the change of read only prohibited - OK
log.println("Property is ReadOnly and wasn't changed");
log.println("Property '" + propName + "' OK");
tRes.tested(propName, true);
} else {
throw exception;
}
} else {
// if no exception - check that value
// has not changed
if (!compare(resValue, oldValue)) {
log.println("Read only property '"
+ propName + "' has changed");
try {
if (!util.utils.isVoid(oldValue)
&& oldValue instanceof Any) {
oldValue = AnyConverter.toObject
(new Type(((Any)oldValue).getClass()),oldValue);
}
log.println("old = " + toString(oldValue));
log.println("new = " + toString(newValue));
log.println("result = " + toString(resValue));
log.println("expected = " + toString(oldValue));
} catch(com.sun.star.lang.IllegalArgumentException iae) {
}
tRes.tested(propName, false);
} else {
log.println("Read only property '"
+ propName + "' hasn't changed");
log.println("Property '" + propName + "' OK");
tRes.tested(propName, true);
}
}
} else {
if (exception == null) {
// if no exception thrown
// check that the new value is set
if ((!compare(resValue, newValue)) || (compare(resValue, oldValue))) {
log.println("Value for '" + propName
+ "' hasn't changed as expected");
try {
if (!util.utils.isVoid(oldValue)
&& oldValue instanceof Any) {
oldValue = AnyConverter.toObject
(new Type(((Any)oldValue).getClass()),oldValue);
}
log.println("old = " + toString(oldValue));
log.println("new = " + toString(newValue));
log.println("result = " + toString(resValue));
log.println("expected = " + toString(oldValue));
} catch(com.sun.star.lang.IllegalArgumentException iae) {
}
if (resValue != null ) {
if ( (!compare(resValue, oldValue)) || (!resValue.equals(oldValue))) {
log.println("But it has changed.");
tRes.tested(propName, true);
} else {
tRes.tested(propName, false);
}
}
else {
tRes.tested(propName, false);
}
//tRes.tested(propName, false);
} else {
log.println("Property '" + propName + "' OK");
try {
if (!util.utils.isVoid(oldValue)
&& oldValue instanceof Any) {
oldValue = AnyConverter.toObject
(new Type(((Any)oldValue).getClass()),oldValue);
}
log.println("old = " + toString(oldValue));
log.println("new = " + toString(newValue));
log.println("result = " + toString(resValue));
log.println("expected = " + toString(oldValue));
} catch(com.sun.star.lang.IllegalArgumentException iae) {
}
tRes.tested(propName, true);
}
} else {
throw exception;
}
}
}
/**
* The method produces new value of the property from the oldValue.
* It returns the result of ValueChanger.changePValue method.
* Subclasses can override the method to return their own value,
* when the changePValue beahviour is not enough, for example,
* when oldValue is null.
*/
protected Object getNewValue(String propName, Object oldValue)
throws java.lang.IllegalArgumentException {
return ValueChanger.changePValue(oldValue);
}
/**
* The method compares obj1 and obj2. It calls
* MultiPropertyTest.compare, but subclasses can override to change
* the behaviour, since normally compare calls Object.equals method
* which is not apropriate in some cases(e.g., structs with equals
* not overridden).
*/
protected boolean compare(Object obj1, Object obj2) {
return callCompare(obj1, obj2);
}
/**
* The method returns a String representation of the obj. It calls
* MultipropertyTest.toString(Object), but subclasses can override
* to change the behaviour.
*/
protected String toString(Object obj) {
return callToString(obj);
}
}
/**
* Extension for PropertyTester which switches two
* different values. getNewValue() method of this
* class returns one of these two values depending on the
* old value, so new value is not equal to old value.
*/
public class PropertyValueSwitcher extends PropertyTester {
Object val1 = null ;
Object val2 = null ;
/**
* Constructs a property tester with two different values
* specified as parameters.
*
* @param val1 Not null value for the property
* tested.
* @param val1 Not null value for the property
* tested which differs from the first value.
*/
public PropertyValueSwitcher(Object val1, Object val2) {
this.val1 = val1 ;
this.val2 = val2 ;
}
/**
* Overriden method of PropertyTester which
* retruns new value from two values specified.
*
* @return The second value if old value is equal to the first
* one, the first value otherwise.
*/
protected Object getNewValue(String propName, Object old) {
if (ValueComparer.equalValue(val1, old))
return val2 ;
else
return val1 ;
}
}
/**
* The method performs testing of propName property using propTester.
*/
protected void testProperty(String propName, PropertyTester propTester) {
propTester.testProperty(propName);
}
/**
* The method performs testing of propName property. It uses PropertyTester
* instance for testing.
*/
protected void testProperty(String propName) {
testProperty(propName, new PropertyTester());
}
/**
* Tests the property using PropertyValueSwitcher
* tester and two values for this property.
*
* @see #PropertyValueSwitcher
*/
protected void testProperty(String propName, Object val1, Object val2) {
testProperty(propName, new PropertyValueSwitcher(val1, val2));
}
/**
* The method just calls compare. This is a workaround to CodeWarrior's
* compiler bug.
*/
private boolean callCompare(Object obj1, Object obj2) {
return compare(obj1, obj2);
}
/**
* Compares two object. In the implementation calls obj1.equals(obj2).
*/
protected boolean compare(Object obj1, Object obj2) {
return ValueComparer.equalValue(obj1, obj2);
}
/**
* The method just calls toString. This is a workaround to
* CodeWarrior's compiler bug.
*/
private String callToString(Object obj) {
return toString(obj);
}
/**
* Gets string representation of the obj. In the implementation
* returns obj.toString().
*/
protected String toString(Object obj) {
return obj == null ? "null" : obj.toString();
}
}