private void AssertNotUnderstandsMethod(object target, string targetName, MethodBase method, Type exceptionType, string partialMessage)
{
try
{
AssertUtils.Understands(target, targetName, method);
Assert.Fail();
}
catch (Exception ex)
{
if (ex.GetType() != exceptionType)
{
Assert.Fail("Expected Exception of type {0}, but was {1}", exceptionType, ex.GetType());
}
if (-1 == ex.Message.IndexOf(partialMessage))
{
Assert.Fail("Expected Message '{0}', but got '{1}'", partialMessage, ex.Message);
}
}
}
public void UnderstandsMethod()
{
MethodInfo getDescriptionMethod = typeof(ITestObject).GetMethod("GetDescription", new Type[0]);
MethodInfo understandsMethod = typeof(AssertUtils).GetMethod("Understands", BindingFlags.Public | BindingFlags.Static, null, new Type[] { typeof(object), typeof(string), typeof(MethodBase) }, null);
// null target, static method
AssertUtils.Understands(null, "target", understandsMethod);
// null target, instance method
AssertNotUnderstandsMethod(null, "target", getDescriptionMethod, typeof(NotSupportedException), "Target 'target' is null and target method 'Oragon.Spring.Objects.ITestObject.GetDescription' is not static.");
// compatible target, instance method
AssertUtils.Understands(new TestObject(), "target", getDescriptionMethod);
// incompatible target, instance method
AssertNotUnderstandsMethod(new object(), "target", getDescriptionMethod, typeof(NotSupportedException), "Target 'target' of type 'System.Object' does not support methods of 'Oragon.Spring.Objects.ITestObject'.");
// compatible transparent proxy, instance method
object compatibleProxy = new TestProxy(new TestObject()).GetTransparentProxy();
AssertUtils.Understands(compatibleProxy, "compatibleProxy", getDescriptionMethod);
// incompatible transparent proxy, instance method
object incompatibleProxy = new TestProxy(new object()).GetTransparentProxy();
AssertNotUnderstandsMethod(incompatibleProxy, "incompatibleProxy", getDescriptionMethod, typeof(NotSupportedException), "Target 'incompatibleProxy' is a transparent proxy that does not support methods of 'Oragon.Spring.Objects.ITestObject'.");
}