Merge pull request #18 from ergebnis/feature/duration-comparator

Enhancement: Implement DurationComparator

CHANGELOG.md

@@ -15,13 +15,15 @@ For a full diff see [`7afa59c...main`][7afa59c...main].
 * Added `Subscriber\TestPreparedSubscriber` ([#12]), by [@localheinz]
 * Added `Subscriber\TestPassedSubscriber` ([#13]), by [@localheinz]
 * Added `Formatter\ToMillisecondsDurationFormatter` ([#17]), by [@localheinz]
+* Added `Comparator\DurationComparator` ([#18]), by [@localheinz]
 
 [7afa59c...main]: https://github.com/ergebnis/phpunit-slow-test-detector/compare/7afa59c...main
 
 [#6]: https://github.com/ergebnis/phpunit-slow-test-detector/pull/6
 [#8]: https://github.com/ergebnis/phpunit-slow-test-detector/pull/8
 [#12]: https://github.com/ergebnis/phpunit-slow-test-detector/pull/12
 [#13]: https://github.com/ergebnis/phpunit-slow-test-detector/pull/13
-[#17]: https://github.com/ergebnis/phpunit-slow-test-detector/pull/137
+[#17]: https://github.com/ergebnis/phpunit-slow-test-detector/pull/17
+[#18]: https://github.com/ergebnis/phpunit-slow-test-detector/pull/18
 
 [@localheinz]: https://github.com/localheinz

src/Comparator/DurationComparator.php

@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * Copyright (c) 2021 Andreas Möller
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE.md file that was distributed with this source code.
+ *
+ * @see https://github.com/ergebnis/phpunit-slow-test-detector
+ */
+
+namespace Ergebnis\PHPUnit\SlowTestDetector\Comparator;
+
+use PHPUnit\Event;
+
+final class DurationComparator
+{
+    public function compare(Event\Telemetry\Duration $one, Event\Telemetry\Duration $two): int
+    {
+        if ($one->isLessThan($two)) {
+            return -1;
+        }
+
+        if ($one->isGreaterThan($two)) {
+            return 1;
+        }
+
+        return 0;
+    }
+}

test/Unit/Comparator/DurationComparatorTest.php

@@ -0,0 +1,59 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * Copyright (c) 2021 Andreas Möller
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE.md file that was distributed with this source code.
+ *
+ * @see https://github.com/ergebnis/phpunit-slow-test-detector
+ */
+
+namespace Ergebnis\PHPUnit\SlowTestDetector\Test\Unit\Comparator;
+
+use Ergebnis\PHPUnit\SlowTestDetector\Comparator\DurationComparator;
+use Ergebnis\Test\Util;
+use PHPUnit\Event;
+use PHPUnit\Framework;
+
+/**
+ * @internal
+ *
+ * @covers \Ergebnis\PHPUnit\SlowTestDetector\Comparator\DurationComparator
+ */
+final class DurationComparatorTest extends Framework\TestCase
+{
+    use Util\Helper;
+
+    public function testReturnsMinusOneWhenOneIsLessThanTwo(): void
+    {
+        $one = Event\Telemetry\Duration::fromSeconds(5);
+        $two = Event\Telemetry\Duration::fromSeconds(6);
+
+        $comparator = new DurationComparator();
+
+        self::assertSame(-1, $comparator->compare($one, $two));
+    }
+
+    public function testReturnsZeroWhenOneEqualsTwo(): void
+    {
+        $one = Event\Telemetry\Duration::fromSeconds(5);
+        $two = Event\Telemetry\Duration::fromSeconds(5);
+
+        $comparator = new DurationComparator();
+
+        self::assertSame(0, $comparator->compare($one, $two));
+    }
+
+    public function testReturnsPlusOneWhenOneIsGreaterThanTwo(): void
+    {
+        $one = Event\Telemetry\Duration::fromSeconds(5);
+        $two = Event\Telemetry\Duration::fromSeconds(4);
+
+        $comparator = new DurationComparator();
+
+        self::assertSame(1, $comparator->compare($one, $two));
+    }
+}