Add test coverage for schedule service

tests/Integration/Services/Schedules/ProcessScheduleServiceTest.php

@@ -0,0 +1,99 @@
+<?php
+
+namespace Pterodactyl\Tests\Integration\Services\Schedules;
+
+use Mockery;
+use Pterodactyl\Models\Task;
+use InvalidArgumentException;
+use Pterodactyl\Models\Schedule;
+use Illuminate\Support\Facades\Bus;
+use Illuminate\Contracts\Bus\Dispatcher;
+use Pterodactyl\Jobs\Schedule\RunTaskJob;
+use Pterodactyl\Exceptions\DisplayException;
+use Pterodactyl\Tests\Integration\IntegrationTestCase;
+use Pterodactyl\Services\Schedules\ProcessScheduleService;
+
+class ProcessScheduleServiceTest extends IntegrationTestCase
+{
+    /**
+     * Test that a schedule with no tasks registered returns an error.
+     */
+    public function testScheduleWithNoTasksReturnsException()
+    {
+        $server = $this->createServerModel();
+        $schedule = factory(Schedule::class)->create(['server_id' => $server->id]);
+
+        $this->expectException(DisplayException::class);
+        $this->expectExceptionMessage('Cannot process schedule for task execution: no tasks are registered.');
+
+        $this->getService()->handle($schedule);
+    }
+
+    /**
+     * Test that an error during the schedule update is not persisted to the database.
+     */
+    public function testErrorDuringScheduleDataUpdateDoesNotPersistChanges()
+    {
+        $server = $this->createServerModel();
+
+        /** @var \Pterodactyl\Models\Schedule $schedule */
+        $schedule = factory(Schedule::class)->create([
+            'server_id' => $server->id,
+            'cron_minute' => 'hodor', // this will break the getNextRunDate() function.
+        ]);
+
+        /** @var \Pterodactyl\Models\Task $task */
+        $task = factory(Task::class)->create(['schedule_id' => $schedule->id, 'sequence_id' => 1]);
+
+        $this->expectException(InvalidArgumentException::class);
+
+        $this->getService()->handle($schedule);
+
+        $this->assertDatabaseMissing('schedules', ['id' => $schedule->id, 'is_processing' => true]);
+        $this->assertDatabaseMissing('tasks', ['id' => $task->id, 'is_queued' => true]);
+    }
+
+    /**
+     * Test that a job is dispatched as expected using the initial delay.
+     *
+     * @param bool $now
+     * @dataProvider dispatchNowDataProvider
+     */
+    public function testJobCanBeDispatchedWithExpectedInitialDelay($now)
+    {
+        $this->swap(Dispatcher::class, $dispatcher = Mockery::mock(Dispatcher::class));
+
+        $server = $this->createServerModel();
+
+        /** @var \Pterodactyl\Models\Schedule $schedule */
+        $schedule = factory(Schedule::class)->create(['server_id' => $server->id]);
+
+        /** @var \Pterodactyl\Models\Task $task */
+        $task = factory(Task::class)->create(['schedule_id' => $schedule->id, 'time_offset' => 10, 'sequence_id' => 1]);
+
+        $dispatcher->expects($now ? 'dispatchNow' : 'dispatch')->with(Mockery::on(function (RunTaskJob $job) use ($task) {
+            return $task->id === $job->task->id && $job->delay === 10;
+        }));
+
+        $this->getService()->handle($schedule, $now);
+
+        $this->assertDatabaseHas('schedules', ['id' => $schedule->id, 'is_processing' => true]);
+        $this->assertDatabaseHas('tasks', ['id' => $task->id, 'is_queued' => true]);
+    }
+
+    /**
+     * @return array
+     */
+    public function dispatchNowDataProvider(): array
+    {
+        return [[true], [false]];
+    }
+
+    /**
+     * @return \Pterodactyl\Services\Schedules\ProcessScheduleService
+     */
+    private function getService()
+    {
+        return $this->app->make(ProcessScheduleService::class);
+    }
+}