<?php

/**
 * Class ActionScheduler_QueueCleaner_Test
 */
class ActionScheduler_QueueCleaner_Test extends ActionScheduler_UnitTestCase {

	public function test_delete_old_actions() {
		$store    = ActionScheduler::store();
		$runner   = ActionScheduler_Mocker::get_queue_runner( $store );
		$random   = md5( wp_rand() );
		$schedule = new ActionScheduler_SimpleSchedule( as_get_datetime_object( '1 day ago' ) );

		$created_actions = array();
		for ( $i = 0; $i < 5; $i++ ) {
			$action            = new ActionScheduler_Action( ActionScheduler_Callbacks::HOOK_WITH_CALLBACK, array( $random ), $schedule );
			$created_actions[] = $store->save_action( $action );
		}

		$runner->run();

		add_filter( 'action_scheduler_retention_period', '__return_zero' ); // delete any finished job.
		$cleaner = new ActionScheduler_QueueCleaner( $store );
		$cleaned = $cleaner->delete_old_actions();
		remove_filter( 'action_scheduler_retention_period', '__return_zero' );

		$this->assertIsArray( $cleaned, 'ActionScheduler_QueueCleaner::delete_old_actions() returns an array.' );
		$this->assertCount( 5, $cleaned, 'ActionScheduler_QueueCleaner::delete_old_actions() deleted the expected number of actions.' );

		foreach ( $created_actions as $action_id ) {
			$action = $store->fetch_action( $action_id );
			$this->assertFalse( $action->is_finished() ); // it's a NullAction.
		}
	}

	public function test_invalid_retention_period_filter_hook() {
		// Supplying a non-integer such as null would break under 3.5.4 and earlier.
		add_filter( 'action_scheduler_retention_period', '__return_null' );
		$cleaner = new ActionScheduler_QueueCleaner( ActionScheduler::store() );

		$this->setExpectedIncorrectUsage( 'ActionScheduler_QueueCleaner::delete_old_actions' );
		$result = $cleaner->delete_old_actions();
		remove_filter( 'action_scheduler_retention_period', '__return_zero' );

		$this->assertIsArray(
			$result,
			'ActionScheduler_QueueCleaner::delete_old_actions() can be invoked without a fatal error, even if the retention period was invalid.'
		);

		$this->assertCount(
			0,
			$result,
			'ActionScheduler_QueueCleaner::delete_old_actions() will not delete any actions if the retention period was invalid.'
		);
	}

	public function test_delete_canceled_actions() {
		$store = ActionScheduler::store();

		$random   = md5( wp_rand() );
		$schedule = new ActionScheduler_SimpleSchedule( as_get_datetime_object( '1 day ago' ) );

		$created_actions = array();
		for ( $i = 0; $i < 5; $i++ ) {
			$action    = new ActionScheduler_Action( $random, array( $random ), $schedule );
			$action_id = $store->save_action( $action );
			$store->cancel_action( $action_id );
			$created_actions[] = $action_id;
		}

		// track the actions that are deleted.
		$mock_action = new MockAction();
		add_action( 'action_scheduler_deleted_action', array( $mock_action, 'action' ), 10, 1 );
		add_filter( 'action_scheduler_retention_period', '__return_zero' ); // delete any finished job.

		$cleaner = new ActionScheduler_QueueCleaner( $store );
		$cleaner->delete_old_actions();

		remove_filter( 'action_scheduler_retention_period', '__return_zero' );
		remove_action( 'action_scheduler_deleted_action', array( $mock_action, 'action' ), 10 );

		$deleted_actions = array();
		foreach ( $mock_action->get_args() as $action ) {
			$deleted_actions[] = reset( $action );
		}

		$this->assertEqualSets( $created_actions, $deleted_actions );
	}

	public function test_do_not_delete_recent_actions() {
		$store    = ActionScheduler::store();
		$runner   = ActionScheduler_Mocker::get_queue_runner( $store );
		$random   = md5( wp_rand() );
		$schedule = new ActionScheduler_SimpleSchedule( as_get_datetime_object( '1 day ago' ) );

		$created_actions = array();
		for ( $i = 0; $i < 5; $i++ ) {
			$action            = new ActionScheduler_Action( $random, array( $random ), $schedule );
			$created_actions[] = $store->save_action( $action );
		}

		$runner->run();

		$cleaner = new ActionScheduler_QueueCleaner( $store );
		$cleaner->delete_old_actions();

		foreach ( $created_actions as $action_id ) {
			$action = $store->fetch_action( $action_id );
			$this->assertTrue( $action->is_finished() ); // It's a FinishedAction.
		}
	}

	public function test_reset_unrun_actions() {
		$store = ActionScheduler::store();

		$random   = md5( wp_rand() );
		$schedule = new ActionScheduler_SimpleSchedule( as_get_datetime_object( '1 day ago' ) );

		$created_actions = array();
		for ( $i = 0; $i < 5; $i++ ) {
			$action            = new ActionScheduler_Action( $random, array( $random ), $schedule );
			$created_actions[] = $store->save_action( $action );
		}

		$store->stake_claim( 10 );

		// don't actually process the jobs, to simulate a request that timed out.

		add_filter( 'action_scheduler_timeout_period', '__return_zero' ); // delete any finished job.
		$cleaner = new ActionScheduler_QueueCleaner( $store );
		$cleaner->reset_timeouts();

		remove_filter( 'action_scheduler_timeout_period', '__return_zero' );

		$claim = $store->stake_claim( 10 );
		$this->assertEqualSets( $created_actions, $claim->get_actions() );
	}

	public function test_do_not_reset_failed_action() {
		$store    = ActionScheduler::store();
		$random   = md5( wp_rand() );
		$schedule = new ActionScheduler_SimpleSchedule( as_get_datetime_object( '1 day ago' ) );

		$created_actions = array();
		for ( $i = 0; $i < 5; $i++ ) {
			$action            = new ActionScheduler_Action( $random, array( $random ), $schedule );
			$created_actions[] = $store->save_action( $action );
		}

		$claim = $store->stake_claim( 10 );
		foreach ( $claim->get_actions() as $action_id ) {
			// simulate the first action interrupted by an uncatchable fatal error.
			$store->log_execution( $action_id );
			break;
		}

		add_filter( 'action_scheduler_timeout_period', '__return_zero' ); // delete any finished job.
		$cleaner = new ActionScheduler_QueueCleaner( $store );
		$cleaner->reset_timeouts();
		remove_filter( 'action_scheduler_timeout_period', '__return_zero' );

		$new_claim = $store->stake_claim( 10 );
		$this->assertCount( 4, $new_claim->get_actions() );

		add_filter( 'action_scheduler_failure_period', '__return_zero' );
		$cleaner->mark_failures();
		remove_filter( 'action_scheduler_failure_period', '__return_zero' );

		$failed = $store->query_actions( array( 'status' => ActionScheduler_Store::STATUS_FAILED ) );
		$this->assertEquals( $created_actions[0], $failed[0] );
		$this->assertCount( 1, $failed );
	}
}