Extract components and add more tests

src/Tests/Task/IntervalTest.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace Toalett\Multiprocessing\Tests\Task;
+
+use Generator;
+use PHPUnit\Framework\TestCase;
+use Toalett\Multiprocessing\Exception\InvalidArgumentException;
+use Toalett\Multiprocessing\Task\Interval;
+
+class IntervalTest extends TestCase
+{
+	/**
+	 * @param $method
+	 * @param $val
+	 * @param $calculatedVal
+	 * @dataProvider zeroAndDownProvider
+	 */
+	public function testItDoesNotAllowLessThanZeroOrZero($method, $val, $calculatedVal): void
+	{
+		$this->setName(sprintf('It does not allow %d for %s', $val, $method));
+		$this->expectException(InvalidArgumentException::class);
+		$this->expectExceptionMessage(sprintf('Expected positive float, got \'%s\'', $calculatedVal));
+		Interval::{$method}($val);
+	}
+
+	/**
+	 * @param $method
+	 * @param $val
+	 * @param $expected
+	 * @dataProvider oneAndUpProvider
+	 */
+	public function testItCalculatesTheCorrectInterval($method, $val, $expected): void
+	{
+		$this->setName('It calculates the correct interval in ' . $method);
+		$interval = Interval::{$method}($val);
+
+		self::assertEquals($expected, $interval->asFloat());
+	}
+
+	public function zeroAndDownProvider(): Generator
+	{
+		return $this->createProvider(0, -5, -9000);
+	}
+
+	public function oneAndUpProvider(): Generator
+	{
+		return $this->createProvider(1, 5, 7500);
+	}
+
+	public function createProvider(...$args): Generator
+	{
+		foreach ($args as $arg) {
+			yield "$arg seconds" => ['seconds', $arg, $arg];
+			yield "$arg minutes" => ['minutes', $arg, $arg * 60.0];
+			yield "$arg hours" => ['hours', $arg, $arg * 3600.0];
+		}
+	}
+}

src/Tests/Task/RepeatedTaskTest.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Toalett\Multiprocessing\Tests\Task;
+
+use Generator;
+use PHPUnit\Framework\TestCase;
+use React\EventLoop\LoopInterface;
+use React\EventLoop\Timer\Timer;
+use Toalett\Multiprocessing\Task\Interval;
+use Toalett\Multiprocessing\Task\RepeatedTask;
+
+class RepeatedTaskTest extends TestCase
+{
+	/**
+	 * @param $interval
+	 * @dataProvider dataProvider
+	 */
+	public function testItRegistersWithTheProvidedInterval(Interval $interval): void
+	{
+		$loop = $this->createMock(LoopInterface::class);
+		$loop->expects(self::once())
+			->method('addPeriodicTimer')
+			->with($interval->asFloat(), static fn() => null)
+			->willReturn(new Timer($interval->asFloat(), static fn() => null, true));
+
+		$task = new RepeatedTask($interval, static fn() => null);
+		$task->enable($loop);
+	}
+
+	public function dataProvider(): Generator
+	{
+		yield "3 seconds" => [Interval::seconds(3)];
+		yield "5 minutes" => [Interval::minutes(5)];
+		yield "half an hour" => [Interval::hours(0.5)];
+		yield "a day" => [Interval::hours(24)];
+	}
+}

src/Tests/Task/TasksTest.php

@@ -0,0 +1,91 @@
+<?php
+
+namespace Toalett\Multiprocessing\Tests\Task;
+
+use PHPUnit\Framework\MockObject\MockObject;
+use React\EventLoop\LoopInterface;
+use Toalett\Multiprocessing\Task\Task;
+use Toalett\Multiprocessing\Task\Tasks;
+use PHPUnit\Framework\TestCase;
+use Toalett\Multiprocessing\Tests\Tools\PropertyInspector;
+
+class TasksTest extends TestCase
+{
+	use PropertyInspector;
+
+	public function testItAcceptsZeroTasks(): void
+	{
+		$this->expectNotToPerformAssertions();
+		new Tasks();
+	}
+
+	public function testItAcceptsMultipleTasks(): void
+	{
+		$this->expectNotToPerformAssertions();
+		new Tasks(
+			$this->createMock(Task::class),
+			$this->createMock(Task::class)
+		);
+	}
+
+	public function testItDoesNotReEnableWhenEnabled(): void
+	{
+		$loop = $this->createMock(LoopInterface::class);
+		$task = $this->createMock(Task::class);
+		$tasks = new Tasks($task);
+
+		$task->expects(self::once())
+			->method('enable')
+			->with($loop);
+
+		$tasks->enable($loop);
+		$tasks->enable($loop);
+	}
+
+	public function testItEnablesAllTasksWhenEnableCalled(): void
+	{
+		$loop = $this->createMock(LoopInterface::class);
+		$task1 = $this->createMock(Task::class);
+		$task2 = $this->createMock(Task::class);
+		$task3 = $this->createMock(Task::class);
+
+		foreach([$task1, $task2, $task3] as $task) {
+			/** @var MockObject|Task $task */
+			$task->expects(self::once())->method('enable')->with($loop);
+		}
+
+		(new Tasks($task1, $task2, $task3))->enable($loop);
+	}
+
+	public function testItCancelsAllTasksWhenCancelCalled(): void
+	{
+		$loop = $this->createMock(LoopInterface::class);
+		$task1 = $this->createMock(Task::class);
+		$task2 = $this->createMock(Task::class);
+		$task3 = $this->createMock(Task::class);
+
+		foreach([$task1, $task2, $task3] as $task) {
+			/** @var MockObject|Task $task */
+			$task->expects(self::once())->method('cancel')->with($loop);
+		}
+
+		$tasks = new Tasks($task1, $task2, $task3);
+		$this->setProperty($tasks, 'loop', $loop);
+		$tasks->cancel();
+	}
+
+	public function testItDoesNotCancelTasksWhenTheyAreNotEnabled(): void
+	{
+		$task1 = $this->createMock(Task::class);
+		$task2 = $this->createMock(Task::class);
+		$task3 = $this->createMock(Task::class);
+
+		foreach([$task1, $task2, $task3] as $task) {
+			/** @var MockObject|Task $task */
+			$task->expects(self::never())->method('cancel');
+		}
+
+		$tasks = new Tasks($task1, $task2, $task3);
+		$tasks->cancel();
+	}
+}