Plugin: Add tests

Author: jakubboucek

src/Detector.php

@@ -92,7 +92,7 @@ public function getEnabler(): Enabler
     public function isDebugMode(?bool $default = false): ?bool
     {
         foreach ($this->detections as $detection) {
-            if (($result = $detection()) !== null) {
+            if (($result = $detection($this)) !== null) {
                 return $result;
             }
         }

tests/DetectorTest.php

@@ -7,6 +7,7 @@
 use Redbitcz\DebugMode\Detector;
 use Redbitcz\DebugMode\Enabler;
 use Redbitcz\DebugMode\InconsistentEnablerModeException;
+use Redbitcz\DebugMode\Plugin\Plugin;
 use Tester\Assert;
 use Tester\Helpers;
 use Tester\TestCase;
@@ -212,6 +213,121 @@ public function testMissingEnablerShortcut(): void
             Detector::detect(Detector::MODE_FULL);
         }, InconsistentEnablerModeException::class);
     }
+
+    public function testPluginPrepend()
+    {
+        $detector = new Detector(0);
+        $detector->prependPlugin(
+            new class implements Plugin {
+                public function __invoke(Detector $detector): ?bool
+                {
+                    Assert::true(true);
+                    return null;
+                }
+            }
+        );
+        $detector->isDebugMode();
+    }
+
+    public function testPluginAppend()
+    {
+        $detector = new Detector(0);
+        $detector->appendPlugin(
+            new class implements Plugin {
+                public function __invoke(Detector $detector): ?bool
+                {
+                    Assert::true(true);
+                    return null;
+                }
+            }
+        );
+        $detector->isDebugMode();
+    }
+
+    public function getPluginPrependReturnsProvider(): array
+    {
+        return [
+            [null, true],
+            [true, true],
+            [false, false],
+        ];
+    }
+
+    /**
+     * @dataProvider getPluginPrependReturnsProvider
+     */
+    public function testPluginPrependReturn(?bool $state, ?bool $result): void
+    {
+        $detector = new Detector(0);
+        $detector->prependPlugin(
+            new class() implements Plugin {
+                public function __invoke(Detector $detector): ?bool
+                {
+                    return true;
+                }
+            }
+        );
+        $detector->prependPlugin(
+            new class($state) implements Plugin {
+                private ?bool $state;
+
+                public function __construct(?bool $state)
+                {
+                    $this->state = $state;
+                }
+
+                public function __invoke(Detector $detector): ?bool
+                {
+                    return $this->state;
+                }
+            }
+        );
+
+        Assert::equal($result, $detector->isDebugMode());
+    }
+
+
+    public function getPluginAppendReturnsProvider(): array
+    {
+        return [
+            [null, false],
+            [true, false],
+            [false, false],
+        ];
+    }
+
+    /**
+     * @dataProvider getPluginAppendReturnsProvider
+     */
+    public function testPluginAppendReturn(?bool $state, ?bool $result): void
+    {
+        $detector = new Detector(0);
+        $detector->appendPlugin(
+            new class() implements Plugin {
+                public function __invoke(Detector $detector): ?bool
+                {
+                    return false;
+                }
+            }
+        );
+        $detector->appendPlugin(
+            new class($state) implements Plugin {
+                private ?bool $state;
+
+                public function __construct(?bool $state)
+                {
+                    $this->state = $state;
+                }
+
+                public function __invoke(Detector $detector): ?bool
+                {
+                    return $this->state;
+                }
+            }
+        );
+
+        Assert::equal($result, $detector->isDebugMode());
+    }
 }
 
 (new DetectorTest())->run();