add tests for middleware

tests/FeaturesTest.php

@@ -1,8 +1,10 @@
 <?php
 
+use Illuminate\Support\Facades\Route;
 use Codinglabs\FeatureFlags\Models\Feature;
 use Codinglabs\FeatureFlags\Enums\FeatureState;
 use Codinglabs\FeatureFlags\Facades\FeatureFlag;
+use Codinglabs\FeatureFlags\Middleware\VerifyFeatureIsOn;
 use Codinglabs\FeatureFlags\Exceptions\MissingFeatureException;
 
 beforeEach(function () {
@@ -11,6 +13,10 @@
         'feature-flags.cache_prefix' => 'testing',
     ]);
 
+    Route::get('test-middleware', function () {
+        return 'ok';
+    })->middleware(VerifyFeatureIsOn::class . ':some-feature');
+
     cache()->store('array')->clear();
 });
 
@@ -76,9 +82,7 @@
         'state' => FeatureState::dynamic(),
     ]);
 
-    FeatureFlag::registerDynamicHandler('some-feature', function ($feature) {
-        return true;
-    });
+    FeatureFlag::registerDynamicHandler('some-feature', fn ($feature) => true);
 
     expect(FeatureFlag::isOn('some-feature'))->toBeTrue()
         ->and(FeatureFlag::isOff('some-feature'))->toBeFalse()
@@ -91,9 +95,7 @@
         'state' => FeatureState::dynamic(),
     ]);
 
-    FeatureFlag::registerDynamicHandler('some-feature', function ($feature) {
-        return false;
-    });
+    FeatureFlag::registerDynamicHandler('some-feature', fn ($feature) => false);
 
     expect(FeatureFlag::isOn('some-feature'))->toBeFalse()
         ->and(FeatureFlag::isOff('some-feature'))->toBeTrue()
@@ -169,3 +171,54 @@
 
     expect(config('feature-flags.cache_store'))->toBe('file');
 });
+
+it('returns a 500 status when a feature does not exist', function () {
+    $this->withoutExceptionHandling();
+
+    $this->expectException(MissingFeatureException::class);
+
+    $this->get('test-middleware')
+        ->assertStatus(500);
+});
+
+it('returns a 404 status when a feature is off', function () {
+    Feature::factory()->create([
+        'name' => 'some-feature',
+        'state' => FeatureState::off()
+    ]);
+
+    $this->get('test-middleware')
+        ->assertStatus(404);
+});
+
+it('returns a 404 status when a feature is dynamic', function () {
+    Feature::factory()->create([
+        'name' => 'some-feature',
+        'state' => FeatureState::dynamic()
+    ]);
+
+    $this->get('test-middleware')
+        ->assertStatus(404);
+});
+
+it('returns an ok status when a feature is dynamic and enabled', function () {
+    Feature::factory()->create([
+        'name' => 'some-feature',
+        'state' => FeatureState::dynamic()
+    ]);
+
+    FeatureFlag::registerDynamicHandler('some-feature', fn ($feature) => true);
+
+    $this->get('test-middleware')
+        ->assertOk();
+});
+
+it('returns an ok status when a feature is on', function () {
+    Feature::factory()->create([
+        'name' => 'some-feature',
+        'state' => FeatureState::on()
+    ]);
+
+    $this->get('test-middleware')
+        ->assertOk();
+});