woocommerce/tests/legacy/framework/class-wc-unit-test-case.php

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<?php
/**
* Base test case for all WooCommerce tests.
*
* @package WooCommerce\Tests
*/
use Automattic\WooCommerce\Proxies\LegacyProxy;
use Automattic\WooCommerce\Testing\Tools\CodeHacking\CodeHacker;
/**
* WC Unit Test Case.
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*
* Provides WooCommerce-specific setup/tear down/assert methods, custom factories,
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* and helper functions.
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*
* @since 2.2
*/
class WC_Unit_Test_Case extends WP_HTTP_TestCase {
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/**
* Holds the WC_Unit_Test_Factory instance.
*
* @var WC_Unit_Test_Factory
*/
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protected $factory;
/**
* @var int Keeps the count of how many times disable_code_hacker has been invoked.
*/
private static $code_hacker_temporary_disables_requested = 0;
/**
* Increase the count of Code Hacker disable requests, and effectively disable it if the count was zero.
* Does nothing if the code hacker wasn't enabled when the test suite started running.
*/
protected static function disable_code_hacker() {
if ( CodeHacker::is_enabled() ) {
CodeHacker::disable();
self::$code_hacker_temporary_disables_requested = 1;
} elseif ( self::$code_hacker_temporary_disables_requested > 0 ) {
self::$code_hacker_temporary_disables_requested++;
}
}
/**
* Decrease the count of Code Hacker disable requests, and effectively re-enable it if the count reaches zero.
* Does nothing if the count is already zero.
*/
protected static function reenable_code_hacker() {
if ( self::$code_hacker_temporary_disables_requested > 0 ) {
self::$code_hacker_temporary_disables_requested--;
if ( 0 === self::$code_hacker_temporary_disables_requested ) {
CodeHacker::enable();
}
}
}
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/**
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* Setup test case.
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*
* @since 2.2
*/
public function setUp() {
parent::setUp();
// Add custom factories.
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$this->factory = new WC_Unit_Test_Factory();
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// Setup mock WC session handler.
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add_filter( 'woocommerce_session_handler', array( $this, 'set_mock_session_handler' ) );
$this->setOutputCallback( array( $this, 'filter_output' ) );
// Register post types before each test.
WC_Post_types::register_post_types();
WC_Post_types::register_taxonomies();
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}
/**
* Set up class unit test.
*
* @since 3.5.0
*/
public static function setUpBeforeClass() {
parent::setUpBeforeClass();
// Terms are deleted in WP_UnitTestCase::tearDownAfterClass, then e.g. Uncategorized product_cat is missing.
WC_Install::create_terms();
}
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/**
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* Mock the WC session using the abstract class as cookies are not available.
* during tests.
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*
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* @since 2.2
* @return string The $output string, sans newlines and tabs.
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*/
public function set_mock_session_handler() {
return 'WC_Mock_Session_Handler';
}
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/**
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* Strip newlines and tabs when using expectedOutputString() as otherwise.
* the most template-related tests will fail due to indentation/alignment in.
* the template not matching the sample strings set in the tests.
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*
* @since 2.2
*
* @param string $output The captured output.
* @return string The $output string, sans newlines and tabs.
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*/
public function filter_output( $output ) {
$output = preg_replace( '/[\n]+/S', '', $output );
$output = preg_replace( '/[\t]+/S', '', $output );
return $output;
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}
/**
* Throws an exception with an optional message and code.
*
* Note: can't use `throwException` as that's reserved.
*
* @since 3.3-dev
* @param string $message Optional. The exception message. Default is empty.
* @param int $code Optional. The exception code. Default is empty.
* @throws Exception Containing the given message and code.
*/
public function throwAnException( $message = null, $code = null ) {
$message = $message ? $message : "We're all doomed!";
throw new Exception( $message, $code );
}
/**
* Copies a file, temporarily disabling the code hacker.
* Use this instead of "copy" in tests for compatibility with the code hacker.
*
* TODO: Investigate why invoking "copy" within a test with the code hacker active causes the test to fail.
*
* @param string $source Path to the source file.
* @param string $dest The destination path.
* @return bool true on success or false on failure.
*/
public static function file_copy( $source, $dest ) {
self::disable_code_hacker();
$result = copy( $source, $dest );
self::reenable_code_hacker();
return $result;
}
/**
* Create a new user in a given role and set it as the current user.
*
* @param string $role The role for the user to be created.
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* @return int The id of the user created.
*/
public function login_as_role( $role ) {
$user_id = $this->factory->user->create( array( 'role' => $role ) );
wp_set_current_user( $user_id );
return $user_id;
}
/**
* Create a new administrator user and set it as the current user.
*
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* @return int The id of the user created.
*/
public function login_as_administrator() {
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return $this->login_as_role( 'administrator' );
}
/**
* Get an instance of a class that has been registered in the dependency injection container.
* To get an instance of a legacy class (such as the ones in the 'íncludes' directory) use
* 'get_legacy_instance_of' instead.
*
* @param string $class_name The class name to get an instance of.
*
* @return mixed The instance.
*/
public function get_instance_of( string $class_name ) {
return wc_get_container()->get( $class_name );
}
/**
* Get an instance of legacy class (such as the ones in the 'íncludes' directory).
* To get an instance of a class registered in the dependency injection container use 'get_instance_of' instead.
*
* @param string $class_name The class name to get an instance of.
*
* @return mixed The instance.
*/
public function get_legacy_instance_of( string $class_name ) {
return wc_get_container()->get( LegacyProxy::class )->get_instance_of( $class_name );
}
/**
* Reset all the cached resolutions in the dependency injection container, so any further "get"
* for shared definitions will generate the instance again.
* This may be needed when registering mocks for already resolved shared classes.
*/
public function reset_container_resolutions() {
wc_get_container()->reset_all_resolved();
}
/**
* Reset the mock legacy proxy class so that all the registered mocks are unregistered.
*/
public function reset_legacy_proxy_mocks() {
wc_get_container()->get( LegacyProxy::class )->reset();
}
/**
* Register the function mocks to use in the mockable LegacyProxy.
*
* @param array $mocks An associative array where keys are function names and values are function replacement callbacks.
*
* @throws \Exception Invalid parameter.
*/
public function register_legacy_proxy_function_mocks( array $mocks ) {
wc_get_container()->get( LegacyProxy::class )->register_function_mocks( $mocks );
}
/**
* Register the static method mocks to use in the mockable LegacyProxy.
*
* @param array $mocks An associative array where keys are class names and values are associative arrays, in which keys are method names and values are method replacement callbacks.
*
* @throws \Exception Invalid parameter.
*/
public function register_legacy_proxy_static_mocks( array $mocks ) {
wc_get_container()->get( LegacyProxy::class )->register_static_mocks( $mocks );
}
/**
* Register the class mocks to use in the mockable LegacyProxy.
*
* @param array $mocks An associative array where keys are class names and values are either factory callbacks (optionally with a $class_name argument) or objects.
*
* @throws \Exception Invalid parameter.
*/
public function register_legacy_proxy_class_mocks( array $mocks ) {
wc_get_container()->get( LegacyProxy::class )->register_class_mocks( $mocks );
}
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}