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    <p>Wherever you have <code>new XXX(...)</code> in a method under test, you are doomed. Extract the instantiation to a new method--<code>createSomeClass(...)</code>--of the same class. This allows you to create a partial mock of the class under test that returns a stubbed or mock value from the new method.</p> <pre><code>class someClass { public function someFoo($var) { $model = $this-&gt;createSomeClass(); // call method instead of using new model-&gt;someOtherFoo($var); } public function createSomeClass() { // now you can mock this method in the test return new someClass(); } public function someOtherFoo($var){ // some code which has to be mocked } } </code></pre> <p>In the test, mock <code>createSomeClass()</code> in the instance on which you call <code>someFoo()</code>, and mock <code>someOtherFoo()</code> in the instance that you return from the first mocked call.</p> <pre><code>function testSomeFoo() { // mock someOtherFoo() to ensure it gets the correct value for $arg $created = $this-&gt;getMock('someClass', array('someOtherFoo')); $created-&gt;expects($this-&gt;once()) -&gt;method('someOtherFoo') -&gt;with('foo'); // mock createSomeClass() to return the mock above $creator = $this-&gt;getMock('someClass', array('createSomeClass')); $creator-&gt;expects($this-&gt;once()) -&gt;method('createSomeClass') -&gt;will($this-&gt;returnValue($created)); // call someFoo() with the correct $arg $creator-&gt;someFoo('foo'); } </code></pre> <p>Keep in mind that because the instance is creating another instance of the same class, two instances will normally be involved. You could use the same mock instance here if it makes it clearer.</p> <pre><code>function testSomeFoo() { $fixture = $this-&gt;getMock('someClass', array('createSomeClass', 'someOtherFoo')); // mock createSomeClass() to return the mock $fixture-&gt;expects($this-&gt;once()) -&gt;method('createSomeClass') -&gt;will($this-&gt;returnValue($fixture)); // mock someOtherFoo() to ensure it gets the correct value for $arg $fixture-&gt;expects($this-&gt;once()) -&gt;method('someOtherFoo') -&gt;with('foo'); // call someFoo() with the correct $arg $fixture-&gt;someFoo('foo'); } </code></pre>
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    1. USDavid Harkness
    1. USDavid Harkness
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    1. COHi David, I have changed my code to make it more readable. I am sorry that I write the previous one in hurry. So right now I am doing what @Daren has suggested and my test are proper but I suspect that I will face this issue in future too so thought should ask here as I can't get any help from the framework. Thanks!
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    2. COI would follow my first option of extracting the constructor call to a new method. I've updated my answer to show how that would work.
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    3. COThanks for your explanation David! I was also doing the same thing but was confused. I have created my own framework which takes as an input the name of the class and function name. I then use `reflection` to get all the functions in that class and remove the function under test from the list. I then create a mock with all the other functions so now I have a mock obj with all the other functions mocked. This way I am able to reduce the redundant lines in my test code. But was wondering if there is any way of doing it without changing the existing code. Well thanks for clearing up my doubt!
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