--- /dev/null
+<?php
+
+namespace Drupal\Tests\views\Kernel\Plugin;
+
+use Drupal\views\Plugin\views\join\FieldOrLanguageJoin;
+use Drupal\views\Views;
+
+/**
+ * Tests the "field OR language" join plugin.
+ *
+ * @group views
+ * @see \Drupal\views\Plugin\views\join\FieldOrLanguageJoin
+ */
+class FieldOrLanguageJoinTest extends RelationshipJoinTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $testViews = ['test_view'];
+
+ /**
+ * {@inheritdoc}
+ */
+ protected $pluginId = 'field_or_language_join';
+
+ /**
+ * A plugin manager which handlers the instances of joins.
+ *
+ * @var \Drupal\views\Plugin\ViewsPluginManager
+ */
+ protected $manager;
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp($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 base join functionality.
+ *
+ * This duplicates parts of
+ * \Drupal\Tests\views\Kernel\Plugin\JoinTest::testBasePlugin() to ensure that
+ * no functionality provided by the base join plugin is broken.
+ */
+ public function testBase() {
+ // 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 = $this->manager->createInstance($this->pluginId, $configuration);
+ $this->assertTrue($join instanceof FieldOrLanguageJoin);
+ $this->assertNull($join->extra);
+ $this->assertTrue($join->adjusted);
+
+ $join_info = $this->buildJoin($view, $configuration, 'users_field_data');
+ $this->assertSame($join_info['join type'], 'LEFT');
+ $this->assertSame($join_info['table'], $configuration['table']);
+ $this->assertSame($join_info['alias'], 'users_field_data');
+ $this->assertSame($join_info['condition'], 'views_test_data.uid = users_field_data.uid');
+
+ // Set a different alias and make sure table info is as expected.
+ $join_info = $this->buildJoin($view, $configuration, 'users1');
+ $this->assertSame($join_info['alias'], 'users1');
+
+ // Set a different join type (INNER) and make sure it is used.
+ $configuration['type'] = 'INNER';
+ $join_info = $this->buildJoin($view, $configuration, 'users2');
+ $this->assertSame($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_info = $this->buildJoin($view, $configuration, 'users3');
+ $this->assertContains('views_test_data.uid = users3.uid', $join_info['condition']);
+ $this->assertContains('users3.name = :views_join_condition_0', $join_info['condition']);
+ $this->assertContains('users3.name <> :views_join_condition_1', $join_info['condition']);
+ $this->assertSame(array_values($join_info['arguments']), [$random_name_1, $random_name_2]);
+
+ // 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_info = $this->buildJoin($view, $configuration, 'users4');
+ $this->assertContains('views_test_data.uid = users4.uid', $join_info['condition']);
+ $this->assertContains('users4.name = :views_join_condition_0', $join_info['condition']);
+ $this->assertContains('users4.name IN ( :views_join_condition_1[] )', $join_info['condition']);
+ $this->assertSame($join_info['arguments'][':views_join_condition_1[]'], [$random_name_2, $random_name_3, $random_name_4]);
+ }
+
+ /**
+ * Tests the adding of conditions by the join plugin.
+ */
+ public function testLanguageBundleConditions() {
+ // Setup a simple join and test the result sql.
+ $view = Views::getView('test_view');
+ $view->initDisplay();
+ $view->initQuery();
+
+ // Set the various options on the join object with only a langcode
+ // condition.
+ $configuration = [
+ 'table' => 'node__field_tags',
+ 'left_table' => 'node',
+ 'left_field' => 'nid',
+ 'field' => 'entity_id',
+ 'extra' => [
+ [
+ 'left_field' => 'langcode',
+ 'field' => 'langcode',
+ ],
+ ],
+ ];
+ $join_info = $this->buildJoin($view, $configuration, 'node__field_tags');
+ $this->assertContains('AND (node__field_tags.langcode = .langcode)', $join_info['condition']);
+
+ array_unshift($configuration['extra'], [
+ 'field' => 'deleted',
+ 'value' => 0,
+ 'numeric' => TRUE,
+ ]);
+ $join_info = $this->buildJoin($view, $configuration, 'node__field_tags');
+ $this->assertContains('AND (node__field_tags.langcode = .langcode)', $join_info['condition']);
+
+ // Replace the language condition with a bundle condition.
+ $configuration['extra'][1] = [
+ 'field' => 'bundle',
+ 'value' => ['page'],
+ ];
+ $join_info = $this->buildJoin($view, $configuration, 'node__field_tags');
+ $this->assertContains('AND (node__field_tags.bundle = :views_join_condition_1)', $join_info['condition']);
+
+ // Now re-add a language condition to make sure the bundle and language
+ // conditions are combined with an OR.
+ $configuration['extra'][] = [
+ 'left_field' => 'langcode',
+ 'field' => 'langcode',
+ ];
+ $join_info = $this->buildJoin($view, $configuration, 'node__field_tags');
+ $this->assertContains('AND (node__field_tags.bundle = :views_join_condition_1 OR node__field_tags.langcode = .langcode)', $join_info['condition']);
+ }
+
+ /**
+ * Builds a join using the given configuration.
+ *
+ * @param \Drupal\views\ViewExecutable $view
+ * The view used in this test.
+ * @param $configuration
+ * The join plugin configuration.
+ * @param $table_alias
+ * The table alias to use for the join.
+ *
+ * @return array
+ * The join information for the joined table. See
+ * \Drupal\Core\Database\Query\Select::$tables for more information on the
+ * structure of the array.
+ */
+ protected function buildJoin($view, $configuration, $table_alias) {
+ // Build the actual join values and read them back from the query object.
+ $query = \Drupal::database()->select('node');
+
+ $join = $this->manager->createInstance('field_or_language_join', $configuration);
+ $this->assertInstanceOf(FieldOrLanguageJoin::class, $join, 'The correct join class got loaded.');
+
+ $table = ['alias' => $table_alias];
+ $join->buildJoin($query, $table, $view->query);
+
+ $tables = $query->getTables();
+ $join_info = $tables[$table['alias']];
+ return $join_info;
+ }
+
+}
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