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    <p><a href="http://code.google.com/p/powermock/wiki/MockConstructor" rel="nofollow">This guide</a> details mocking a constructor call using PowerMock:</p> <blockquote> <p>... But with PowerMock you don't have to change the code, instead you can instruct PowerMock to intercept the call to new File(..) and return a mock object instead. To do this we start by creating a mock of type File.class as usual: </p> <pre><code>File fileMock = createMock(File.class); </code></pre> <p>To expect the call to new File we simply do:</p> <pre><code>expectNew(File.class, "directoryPath").andReturn(fileMock); </code></pre> </blockquote> <p>So in your case, you should have these in your <strong>test case or setup method</strong>:</p> <pre><code>MyObject mockOb = createMock(MyObject.class); expectNew(MyObject.class).andReturn(mockOb); </code></pre> <p>By adding these, you will have the following behaviour:</p> <p>Whenever there is a <code>new MyObject()</code> in <strong>your code</strong> run by the test case, the object instance mocked by PowerMock will be returned. So it does not matter <em>where</em> in your code you create a new <code>MyObject</code> instance, it will be the very same one created by the <code>createMock()</code> function.</p> <p><strong>EDIT</strong></p> <blockquote> <p>lets take example </p> <pre><code>Class A { private void method1() { Obj obj = new Obj(); obj.setX(10); } //Here I want to access the obj object to verify the values } </code></pre> </blockquote> <p>To accomplish this, you have to think a bit differently.</p> <ol> <li>create real A instance</li> <li>set up mocking for the Obj constructor</li> <li>run your logic that triggers the <code>pruivate method1()</code></li> <li>check the values <em>on the mocked Obj instance</em> <ul> <li>if the values are not testable (something modifies it in the logic), zou could check if the setX() was called the appropriate times.</li> </ul></li> </ol> <p>Something along these lines:</p> <pre><code>@Test public void testMyPrivateMethod() { //1. object with the logic to test A a = new A(); //2. set up mocking Obj mockObj = createMock(Obj.class); expectNew(Obj.class).andReturn(mockObj); //3. trigger logic to test a.someOtherMethodThatCallsMethod1(); //4. test Obj (find out if setX() has been called or not) verify(mockObj).setX(any(Integer.class)); } </code></pre>
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    1. POHow to access the object inside the private method?
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    1. COMy method does not return the same object as you create when mocking
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    2. COlets take example Class A { private void method1() { Obj obj = new Obj(); obj.setX(10);} Here I want to access the obj object to verify the values
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    3. COThe return type of your method is `void`. It doesn't return anything. I don't understand what you write... Do you understand how mocking works?
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