JoinTest.php

<?php

namespace Drupal\Tests\views\Kernel\Plugin;

use Drupal\Core\Database\Database;
use Drupal\views_test_data\Plugin\views\join\JoinTest as JoinTestPlugin;
use Drupal\views\Plugin\views\join\JoinPluginBase;
use Drupal\views\Views;

/**
 * Tests the join plugin.
 *
 * @group views
 * @see \Drupal\views_test_data\Plugin\views\join\JoinTest
 * @see \Drupal\views\Plugin\views\join\JoinPluginBase
 */
class JoinTest extends RelationshipJoinTestBase {
    
    /**
     * Views used by this test.
     *
     * @var array
     */
    public static $testViews = [
        'test_view',
    ];
    
    /**
     * A plugin manager which handlers the instances of joins.
     *
     * @var \Drupal\views\Plugin\ViewsPluginManager
     */
    protected $manager;
    protected function setUp($import_test_views = TRUE) {
        parent::setUp();
        // Add a join plugin manager which can be used in all of the tests.
        $this->manager = $this->container
            ->get('plugin.manager.views.join');
    }
    
    /**
     * Tests an example join plugin.
     */
    public function testExamplePlugin() {
        // Setup a simple join and test the result sql.
        $view = Views::getView('test_view');
        $view->initDisplay();
        $view->initQuery();
        $configuration = [
            'left_table' => 'views_test_data',
            'left_field' => 'uid',
            'table' => 'users_field_data',
            'field' => 'uid',
        ];
        $join = $this->manager
            ->createInstance('join_test', $configuration);
        $this->assertInstanceOf(JoinTestPlugin::class, $join);
        $rand_int = rand(0, 1000);
        $join->setJoinValue($rand_int);
        $query = Database::getConnection()->select('views_test_data');
        $table = [
            'alias' => 'users_field_data',
        ];
        $join->buildJoin($query, $table, $view->query);
        $tables = $query->getTables();
        $join_info = $tables['users_field_data'];
        $this->assertStringContainsString("views_test_data.uid = {$rand_int}", $join_info['condition'], 'Make sure that the custom join plugin can extend the join base and alter the result.');
    }
    
    /**
     * Tests the join plugin base.
     */
    public function testBasePlugin() {
        // Setup a simple join and test the result sql.
        $view = Views::getView('test_view');
        $view->initDisplay();
        $view->initQuery();
        // First define a simple join without an extra condition.
        // Set the various options on the join object.
        $configuration = [
            'left_table' => 'views_test_data',
            'left_field' => 'uid',
            'table' => 'users_field_data',
            'field' => 'uid',
            'adjusted' => TRUE,
        ];
        $join = $this->manager
            ->createInstance('standard', $configuration);
        $this->assertInstanceOf(JoinPluginBase::class, $join);
        $this->assertNull($join->extra, 'The field extra was not overridden.');
        $this->assertTrue($join->adjusted, 'The field adjusted was set correctly.');
        // Build the actual join values and read them back from the dbtng query
        // object.
        $query = Database::getConnection()->select('views_test_data');
        $table = [
            'alias' => 'users_field_data',
        ];
        $join->buildJoin($query, $table, $view->query);
        $tables = $query->getTables();
        $join_info = $tables['users_field_data'];
        $this->assertEqual($join_info['join type'], 'LEFT', 'Make sure the default join type is LEFT');
        $this->assertEqual($join_info['table'], $configuration['table']);
        $this->assertEqual($join_info['alias'], 'users_field_data');
        $this->assertEqual($join_info['condition'], 'views_test_data.uid = users_field_data.uid');
        // Set a different alias and make sure table info is as expected.
        $join = $this->manager
            ->createInstance('standard', $configuration);
        $table = [
            'alias' => 'users1',
        ];
        $join->buildJoin($query, $table, $view->query);
        $tables = $query->getTables();
        $join_info = $tables['users1'];
        $this->assertEqual($join_info['alias'], 'users1');
        // Set a different join type (INNER) and make sure it is used.
        $configuration['type'] = 'INNER';
        $join = $this->manager
            ->createInstance('standard', $configuration);
        $table = [
            'alias' => 'users2',
        ];
        $join->buildJoin($query, $table, $view->query);
        $tables = $query->getTables();
        $join_info = $tables['users2'];
        $this->assertEqual($join_info['join type'], 'INNER');
        // Setup addition conditions and make sure it is used.
        $random_name_1 = $this->randomMachineName();
        $random_name_2 = $this->randomMachineName();
        $configuration['extra'] = [
            [
                'field' => 'name',
                'value' => $random_name_1,
            ],
            [
                'field' => 'name',
                'value' => $random_name_2,
                'operator' => '<>',
            ],
        ];
        $join = $this->manager
            ->createInstance('standard', $configuration);
        $table = [
            'alias' => 'users3',
        ];
        $join->buildJoin($query, $table, $view->query);
        $tables = $query->getTables();
        $join_info = $tables['users3'];
        $this->assertStringContainsString("views_test_data.uid = users3.uid", $join_info['condition'], 'Make sure the join condition appears in the query.');
        $this->assertStringContainsString("users3.name = :views_join_condition_0", $join_info['condition'], 'Make sure the first extra join condition appears in the query and uses the first placeholder.');
        $this->assertStringContainsString("users3.name <> :views_join_condition_1", $join_info['condition'], 'Make sure the second extra join condition appears in the query and uses the second placeholder.');
        $this->assertEqual(array_values($join_info['arguments']), [
            $random_name_1,
            $random_name_2,
        ], 'Make sure the arguments are in the right order');
        // Test that 'IN' conditions are properly built.
        $random_name_1 = $this->randomMachineName();
        $random_name_2 = $this->randomMachineName();
        $random_name_3 = $this->randomMachineName();
        $random_name_4 = $this->randomMachineName();
        $configuration['extra'] = [
            [
                'field' => 'name',
                'value' => $random_name_1,
            ],
            [
                'field' => 'name',
                'value' => [
                    $random_name_2,
                    $random_name_3,
                    $random_name_4,
                ],
            ],
        ];
        $join = $this->manager
            ->createInstance('standard', $configuration);
        $table = [
            'alias' => 'users4',
        ];
        $join->buildJoin($query, $table, $view->query);
        $tables = $query->getTables();
        $join_info = $tables['users4'];
        $this->assertStringContainsString("views_test_data.uid = users4.uid", $join_info['condition'], 'Make sure the join condition appears in the query.');
        $this->assertStringContainsString("users4.name = :views_join_condition_2", $join_info['condition'], 'Make sure the first extra join condition appears in the query.');
        $this->assertStringContainsString("users4.name IN ( :views_join_condition_3[] )", $join_info['condition'], 'The IN condition for the join is properly formed.');
        $this->assertEqual($join_info['arguments'][':views_join_condition_3[]'], [
            $random_name_2,
            $random_name_3,
            $random_name_4,
        ], 'Make sure the IN arguments are still part of an array.');
        // Test that all the conditions are properly built.
        $configuration['extra'] = [
            [
                'field' => 'langcode',
                'value' => 'en',
            ],
            [
                'left_field' => 'status',
                'value' => 0,
                'numeric' => TRUE,
            ],
            [
                'field' => 'name',
                'left_field' => 'name',
            ],
        ];
        $join = $this->manager
            ->createInstance('standard', $configuration);
        $table = [
            'alias' => 'users5',
        ];
        $join->buildJoin($query, $table, $view->query);
        $tables = $query->getTables();
        $join_info = $tables['users5'];
        $this->assertStringContainsString("views_test_data.uid = users5.uid", $join_info['condition'], 'Make sure the join condition appears in the query.');
        $this->assertStringContainsString("users5.langcode = :views_join_condition_4", $join_info['condition'], 'Make sure the first extra join condition appears in the query.');
        $this->assertStringContainsString("views_test_data.status = :views_join_condition_5", $join_info['condition'], 'Make sure the second extra join condition appears in the query.');
        $this->assertStringContainsString("users5.name = views_test_data.name", $join_info['condition'], 'Make sure the third extra join condition appears in the query.');
        $this->assertEqual(array_values($join_info['arguments']), [
            'en',
            0,
        ], 'Make sure the arguments are in the right order');
        // Test that joins using 'left_formula' are properly built.
        $configuration['left_formula'] = 'MAX(views_test_data.uid)';
        $join = $this->manager
            ->createInstance('standard', $configuration);
        $table = [
            'alias' => 'users6',
        ];
        $join->buildJoin($query, $table, $view->query);
        $tables = $query->getTables();
        $join_info = $tables['users6'];
        $this->assertStringContainsString("MAX(views_test_data.uid) = users6.uid", $join_info['condition'], 'Make sure the join condition appears in the query.');
        $this->assertStringContainsString("users6.langcode = :views_join_condition_7", $join_info['condition'], 'Make sure the first extra join condition appears in the query.');
        $this->assertStringContainsString("views_test_data.status = :views_join_condition_8", $join_info['condition'], 'Make sure the second extra join condition appears in the query.');
        $this->assertStringContainsString("users6.name = views_test_data.name", $join_info['condition'], 'Make sure the third extra join condition appears in the query.');
        $this->assertEqual(array_values($join_info['arguments']), [
            'en',
            0,
        ], 'Make sure the arguments are in the right order');
    }

}