{ "uuid": [ { "value": "7a90ce1b-f0d9-443b-b143-b82562fef529" } ], "langcode": [ { "value": "en" } ], "type": [ { "target_id": "daily_email", "target_type": "node_type", "target_uuid": "8bde1f2f-eef9-4f2d-ae9c-96921f8193d7" } ], "revision_timestamp": [ { "value": "2025-05-11T09:00:26+00:00" } ], "revision_uid": [ { "target_type": "user", "target_uuid": "b8966985-d4b2-42a7-a319-2e94ccfbb849" } ], "revision_log": [], "status": [ { "value": true } ], "uid": [ { "target_type": "user", "target_uuid": "b8966985-d4b2-42a7-a319-2e94ccfbb849" } ], "title": [ { "value": "Finding the best test base\n" } ], "created": [ { "value": "2023-11-27T00:00:00+00:00" } ], "changed": [ { "value": "2025-05-11T09:00:26+00:00" } ], "promote": [ { "value": false } ], "sticky": [ { "value": false } ], "default_langcode": [ { "value": true } ], "revision_translation_affected": [ { "value": true } ], "path": [ { "alias": "\/daily\/2023\/11\/27\/finding-the-best-test-base", "langcode": "en" } ], "body": [ { "value": "\n
As well as different base classes for types of tests - i.e. functional, kernel and unit - there are other test base classes within those that can be used to simplify things.<\/p>\n\n
For example, if we have this test:<\/p>\n\n
<?php\n\nnamespace Drupal\\Tests\\example\\Kernel;\n\nuse Drupal\\KernelTests\\KernelTestBase;\nuse Drupal\\Tests\\node\\Traits\\NodeCreationTrait;\nuse Drupal\\Tests\\user\\Traits\\UserCreationTrait;\n\nclass ExampleTest extends KernelTestBase {\n\n use NodeCreationTrait;\n use UserCreationTrait;\n\n protected static $modules = [\n 'node',\n 'user',\n ];\n\n public function setUp(): void {\n parent::setUp();\n\n $this->installEntitySchema(entity_type_id: 'node');\n $this->installEntitySchema(entity_type_id: 'user');\n }\n\n public function testExample(): void {\n $user = $this->createUser();\n\n $article = $this->createNode([\n 'title' => 'Test article',\n 'uid' => $user,\n ]);\n\n self::assertSame('1', $article->getOwnerId());\n }\n\n}\n<\/code><\/pre>\n\nBoth creation traits must be imported, the node<\/code> and user<\/code> modules must be enabled, and the entity tables must be installed.<\/p>\n\nWhen writing a lot of tests, this can result in duplication and more complex tests that take longer to write.<\/p>\n\n
This can be simplified using EntityKernelTestBase<\/code> instead of KernelTestBase<\/code>:<\/p>\n\n<?php\n\nuse Drupal\\KernelTests\\Core\\Entity\\EntityKernelTestBase;\nuse Drupal\\Tests\\node\\Traits\\NodeCreationTrait;\n\nclass ExampleTest extends EntityKernelTestBase {\n\n use NodeCreationTrait;\n\n protected static $modules = [\n 'node',\n ];\n\n public function testExample(): void {\n $user = $this->createUser();\n\n $article = $this->createNode([\n 'title' => 'Test article',\n 'uid' => $user,\n ]);\n\n self::assertSame('1', $article->getOwnerId());\n }\n\n}\n<\/code><\/pre>\n\nThe class is simpler, fewer modules must be specified, and the entity schemas are automatically installed.<\/p>\n\n
As well as the core modules, some contrib modules also provide their own base test cases.<\/p>\n\n
If you're using the Webform module, you may want to use WebformAccessTestBase<\/code> instead of the standard UnitTestCase<\/code>.<\/p>\n\nIt's definitely worth spending some time looking at what base test cases are available and which are the best ones to use for your own tests.<\/p>\n\n ",
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As well as different base classes for types of tests - i.e. functional, kernel and unit - there are other test base classes within those that can be used to simplify things.<\/p>\n\n
For example, if we have this test:<\/p>\n\n
<?php\n\nnamespace Drupal\\Tests\\example\\Kernel;\n\nuse Drupal\\KernelTests\\KernelTestBase;\nuse Drupal\\Tests\\node\\Traits\\NodeCreationTrait;\nuse Drupal\\Tests\\user\\Traits\\UserCreationTrait;\n\nclass ExampleTest extends KernelTestBase {\n\n use NodeCreationTrait;\n use UserCreationTrait;\n\n protected static $modules = [\n 'node',\n 'user',\n ];\n\n public function setUp(): void {\n parent::setUp();\n\n $this->installEntitySchema(entity_type_id: 'node');\n $this->installEntitySchema(entity_type_id: 'user');\n }\n\n public function testExample(): void {\n $user = $this->createUser();\n\n $article = $this->createNode([\n 'title' => 'Test article',\n 'uid' => $user,\n ]);\n\n self::assertSame('1', $article->getOwnerId());\n }\n\n}\n<\/code><\/pre>\n\nBoth creation traits must be imported, the node<\/code> and user<\/code> modules must be enabled, and the entity tables must be installed.<\/p>\n\nWhen writing a lot of tests, this can result in duplication and more complex tests that take longer to write.<\/p>\n\n
This can be simplified using EntityKernelTestBase<\/code> instead of KernelTestBase<\/code>:<\/p>\n\n<?php\n\nuse Drupal\\KernelTests\\Core\\Entity\\EntityKernelTestBase;\nuse Drupal\\Tests\\node\\Traits\\NodeCreationTrait;\n\nclass ExampleTest extends EntityKernelTestBase {\n\n use NodeCreationTrait;\n\n protected static $modules = [\n 'node',\n ];\n\n public function testExample(): void {\n $user = $this->createUser();\n\n $article = $this->createNode([\n 'title' => 'Test article',\n 'uid' => $user,\n ]);\n\n self::assertSame('1', $article->getOwnerId());\n }\n\n}\n<\/code><\/pre>\n\nThe class is simpler, fewer modules must be specified, and the entity schemas are automatically installed.<\/p>\n\n
As well as the core modules, some contrib modules also provide their own base test cases.<\/p>\n\n
If you're using the Webform module, you may want to use WebformAccessTestBase<\/code> instead of the standard UnitTestCase<\/code>.<\/p>\n\nIt's definitely worth spending some time looking at what base test cases are available and which are the best ones to use for your own tests.<\/p>\n\n ",
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}