WP Loader multiple tests issue fix

Fixing a blocking issue in the WP Loader module.

The set up

The current version of WP Browser packs the WPLoader module to allow for functional tests to run.
The problem lies in adding a second test to the test case:


    class PostPipingTest extends \WP_UnitTestCase {

        public function setUp() {
            // before
            parent::setUp();

            // your set up methods here
        }

        public function tearDown() {
            // your tear down methods here

            // then
            parent::tearDown();
        }

        /**
         * @test
         * it should override the meta value when direction reads from post field
         */
        public function it_should_override_the_meta_value_when_direction_reads_from_post_field() {
            $id       = $this->factory->post->create( [ 'post_title' => 'From posts table' ] );
            $field_id = 'the_post_title';
            update_post_meta( $id, $field_id, 'From meta table' );
            $args  = [
                'object_id'   => $id,
                'object_type' => 'post',
                'field_args'  => [
                    'name' => __( 'The post date', 'cmb2' ),
                    'id'   => cmb2_pipe( $field_id, ' 'text',
                ]
            ];
            $field = new CMB2_Field( $args );

            $value = $field->get_data( $field_id );

            $this->assertEquals( 'From posts table', $value );
        }

        /**
         * @test
         * it should override the meta value when field read and writes to post field
         */
        public function it_should_override_the_meta_value_when_field_read_and_writes_to_post_field() {
            $id       = $this->factory->post->create( [ 'post_title' => 'From posts table' ] );
            $field_id = 'the_post_title';
            update_post_meta( $id, $field_id, 'From meta table' );
            $args  = [
                'object_id'   => $id,
                'object_type' => 'post',
                'field_args'  => [
                    'name' => __( 'The post date', 'cmb2' ),
                    'id'   => cmb2_pipe( $field_id, '', 'post_title' ),
                    'type' => 'text',
                ]
            ];
            $field = new CMB2_Field( $args );

            $value = $field->get_data( $field_id );

            $this->assertEquals( 'From posts table', $value );
        }
    }

Multiple tests exception

The solution

I’ve updated the test case template generated by the wpcept generate:wpunit <suite> <class> command to solve the issue but would like to share the solution as it is both simple and not so obvious:



    class PostPipingTest extends \WP_UnitTestCase {

        protected $backupGlobals = false;

        /**
         * @test
         * it should override the meta value when direction reads from post field
         */
        public function it_should_override_the_meta_value_when_direction_reads_from_post_field() {
            ...
        }

        /**
         * @test
         * it should override the meta value when field read and writes to post field
         */
        public function it_should_override_the_meta_value_when_field_read_and_writes_to_post_field() {
            ...
        }
    }

Avoiding PHPUnit from backing up the globals will solve the issue.
Multiple wp loader tests passing

Probably related

I appreciate your input