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POUnit testing helpers in CakePHP
 

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    <p>I created a new helper called AdvHtmlHelper.</p> <pre><code>class AdvHtmlHelper extends AppHelper { var $helpers = array('Form'); function textbox($fieldName, $options = array()) { $output = $this-&gt;Form-&gt;input($fieldName, array('before' =&gt; '&lt;div class="outerdiv"&gt;&lt;div class="leftfields"&gt;&lt;div class="txt1"&gt;', 'between' =&gt; '&lt;/div&gt;&lt;div class="colon"&gt; : &lt;/div&gt;&lt;/div&gt;&lt;div class="rightfields"&gt;&lt;div class="input"&gt;')); $output .= '&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="space"&gt;&lt;/div&gt;'; return $output; } } </code></pre> <p>And I created a test for it </p> <pre><code>App::import('Helper', 'AdvHtml'); App::import('Helper', 'Form'); App::import('Helper', 'Html'); App::import('Core', 'View'); class AdvHtmlTest extends CakeTestCase { private $advHtml = null; //Here we instantiate our helper, and all other helpers we need. public function startTest() { $this-&gt;advHtml = new AdvHtmlHelper(); $this-&gt;advHtml-&gt;Form = new FormHelper(); $this-&gt;advHtml-&gt;Form-&gt;Html = new HtmlHelper(); $this-&gt;view = new View($this-&gt;Controller); } //testing textbox() function. public function testTextbox() { $result = '&lt;div class="input text"&gt;&lt;div class="outerdiv"&gt;&lt;div class="leftfields"&gt;&lt;div class="txt1"&gt;&lt;label for="new"&gt;New&lt;/label&gt;&lt;/div&gt;&lt;div class="colon"&gt; : &lt;/div&gt;&lt;/div&gt;&lt;div class="rightfields"&gt;&lt;div class="input"&gt;&lt;input name="data[new]" type="text" id="new" /&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="space"&gt;&lt;/div&gt;'; $this-&gt;assertEqual($result, $this-&gt;advHtml-&gt;textbox('new')); } } </code></pre> <p>I get the following error when I try to run the test. Line 10 of the helper code is the call to the form helper.</p> <blockquote> <p>Fatal error: Call to a member function input() on a non-object in /opt/lampp/htdocs/mali/app/views/helpers/adv_html.php</p> </blockquote> <p>How do I test a helper which calls another helper?</p> <blockquote> <p>on line 10</p> </blockquote> <p><strong>EDIT</strong>: Answered. Updated with my final test case for reference.</p>
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    1. COwhy do you create a view object in the test case? doesn't seem to be neccessary
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    2. COIt doesn't work otherwise. Gave me an error. I kept refactoring it until I got it working.
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