[wp-trac] [WordPress Trac] #60180: PHPunit test for wp_maybe_load_widgets

[WordPress Trac]

#60180: PHPunit test for wp_maybe_load_widgets
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 Reporter:  pbearne                   |       Owner:  (none)
     Type:  defect (bug)              |      Status:  new
 Priority:  normal                    |   Milestone:  Awaiting Review
Component:  Build/Test Tools          |     Version:
 Severity:  normal                    |  Resolution:
 Keywords:  has-patch has-unit-tests  |     Focuses:
--------------------------------------+------------------------------

Comment (by wnuleher48):

 To create a PHPUnit test for the `wp_maybe_load_widgets` function, we need
 to set up a testing environment and write test cases that cover various
 scenarios. Here's a basic example of how you can structure the test class
 and write test methods:

 ```php
 class WP_Maybe_Load_Widgets_Test extends WP_UnitTestCase {

     /**
      * Test loading widgets when the active sidebar is empty.
      */
     public function test_load_widgets_with_empty_sidebar() {
         // Initialize the sidebar with no widgets.
         update_option( 'sidebars_widgets', array() );

         // Call wp_maybe_load_widgets function.
         wp_maybe_load_widgets();

         // Check if the sidebar is still empty.
         $this->assertEquals( array(), get_option( 'sidebars_widgets' ) );
     }

     /**
      * Test loading widgets when the active sidebar has widgets.
      */
     public function test_load_widgets_with_non_empty_sidebar() {
         // Set up some widgets in the sidebar.
         $widgets = array(
             'sidebar-1' => array( 'widget_text-1', 'widget_search-1' ),
         );
         update_option( 'sidebars_widgets', $widgets );

         // Call wp_maybe_load_widgets function.
         wp_maybe_load_widgets();

         // Check if the widgets are still present in the sidebar.
         $this->assertEquals( $widgets, get_option( 'sidebars_widgets' ) );
     }

     /**
      * Test loading widgets when no active sidebar is set.
      */
     public function test_load_widgets_with_no_active_sidebar() {
         // Remove the active sidebar option.
         delete_option( 'sidebars_widgets' );

         // Call wp_maybe_load_widgets function.
         wp_maybe_load_widgets();

         // Check if the sidebar options are set.
         $this->assertNotEmpty( get_option( 'sidebars_widgets' ) );
     }
 }
 ```

 In this example:

 - We create a test class `WP_Maybe_Load_Widgets_Test` that extends
 `WP_UnitTestCase`, which is the base test case class provided by the
 WordPress test suite.
 - We define three test methods:
   1. `test_load_widgets_with_empty_sidebar`: Tests the behavior of
 `wp_maybe_load_widgets` when the active sidebar is empty.
   2. `test_load_widgets_with_non_empty_sidebar`: Tests the behavior when
 the active sidebar has widgets.
   3. `test_load_widgets_with_no_active_sidebar`: Tests the behavior when
 no active sidebar is set.
 - In each test method, we set up the initial state, call the
 `wp_maybe_load_widgets` function, and then make assertions to verify that
 the function behaves as expected.

 Make sure you have the WordPress test suite set up and configured properly
 to run PHPUnit tests. You can then run these tests using PHPUnit to verify
 the behavior of the `wp_maybe_load_widgets` function.

-- 
Ticket URL: <https://core.trac.wordpress.org/ticket/60180#comment:2>
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