[GROOVY-3720] MockFor and StubFor call unsupported method in ProxyGenerator for creation of instances of Abstract classes

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.7-beta-1
• Fix Version/s: 1.6.5, 1.7-beta-2
• Environment: Windows XP Professional Version 5.1.2600 Service Pack 2 Build 2600
• Assignee: Roshan Dawrani
• Reporter: Geoff Sindel
• Created: 01/Sep/09 15:18
• Updated: 15/Oct/09 17:15
• Resolved: 02/Sep/09 12:04

Description

public abstract class MyNode {

}

@Test
public void testCreateStubNode()

{ def stubNodeContext = new StubFor(MyNode) assertNotNull(stubNodeContext.proxyInstance()) }

@Test
public void testCreateStubNodeDelegate()

{ def stubNodeContext = new StubFor(MyNode) assertNotNull(stubNodeContext.proxyDelegateInstance()) }

@Test
public void testCreateMockNode()

{ def mockNodeContext = new MockFor(MyNode) assertNotNull(mockNodeContext.proxyInstance()) }

@Test
public void testCreateMockNodeDelegate()

{ def mockNodeContext = new MockFor(MyNode) assertNotNull(mockNodeContext.proxyDelegateInstance()) }

In any case (and with a non-empty Abstract class such as import javax.media.j3d.Node) the result is:

groovy.lang.MissingMethodException: No signature of method: groovy.util.ProxyGenerator.instantiateAggregateFromBaseClass() is applicable for argument types: (java.lang.Class, null) values: [class MyNode, null]

Which appears to be absolutely true: the ProxyGenerator only has these 3 method signatures, none of which have the Class as the 1st argument (save the single parameter version)...

instantiateAggregateFromBaseClass(Class)
instantiateAggregateFromBaseClass(Map, Class)
instantiateAggregateFromBaseClass(Closure, Class)