add sync features command and tests

Author: stevethomas

config/feature-flags.php

@@ -2,6 +2,17 @@
 
 return [
 
+    /*
+    |--------------------------------------------------------------------------
+    | Features
+    |--------------------------------------------------------------------------
+    |
+    | Declare features that are managed by the app with the Feature
+    | Flag package. The format is ['name' => FeatureState::on()].
+    */
+
+    'features' => [],
+
     /*
     |--------------------------------------------------------------------------
     | Cache
@@ -20,8 +31,8 @@
     | Models
     |--------------------------------------------------------------------------
     |
-    | If you need to customise any models used then you can swap them out by
-    | replacing the default models defined here.
+    | If you need to customise any models used then you can swap
+    | them out by replacing the default models defined here.
     */
 
     'feature_model' => \Codinglabs\FeatureFlags\Models\Feature::class,

src/Actions/SyncFeaturesAction.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Codinglabs\FeatureFlags\Actions;
+
+use Codinglabs\FeatureFlags\Models\Feature;
+
+class SyncFeaturesAction
+{
+    public function __invoke(): void
+    {
+        $features = collect(config('feature-flags.features'))
+            ->map(fn ($state, $name) => [
+                'name' => $name,
+                'state' => $state
+            ]);
+
+        $featureModels = Feature::all();
+
+        $featureModels->whereNotIn('name', $features->pluck('name'))
+            ->each(fn (Feature $feature) => $feature->delete());
+
+        $features->whereNotIn('name', $featureModels->pluck('name'))
+            ->each(fn (array $feature) => Feature::create($feature));
+    }
+}

tests/SyncFeaturesActionTest.php

@@ -0,0 +1,112 @@
+<?php
+
+use Codinglabs\FeatureFlags\Models\Feature;
+use Codinglabs\FeatureFlags\Enums\FeatureState;
+use Codinglabs\FeatureFlags\Facades\FeatureFlag;
+use Codinglabs\FeatureFlags\Actions\SyncFeaturesAction;
+
+beforeEach(function () {
+    config([
+        'feature-flags.cache_store' => 'array',
+        'feature-flags.cache_prefix' => 'testing',
+    ]);
+
+    cache()->store('array')->clear();
+});
+
+afterEach(function () {
+    FeatureFlag::reset();
+});
+
+it('adds features that have no been synced', function () {
+    config([
+        'feature-flags.features' => [
+            'some-feature' => FeatureState::on(),
+            'some-other-feature' => FeatureState::off(),
+            'some-dynamic-feature' => FeatureState::dynamic(),
+        ],
+    ]);
+
+    (new SyncFeaturesAction)->__invoke();
+
+    $this->assertDatabaseCount('features', 3);
+
+    $this->assertDatabaseHas('features', [
+        'name' => 'some-feature',
+        'state' => FeatureState::on(),
+    ]);
+
+    $this->assertDatabaseHas('features', [
+        'name' => 'some-other-feature',
+        'state' => FeatureState::off(),
+    ]);
+
+    $this->assertDatabaseHas('features', [
+        'name' => 'some-dynamic-feature',
+        'state' => FeatureState::dynamic(),
+    ]);
+});
+
+it('skips features that have already been synced even if the state has changed', function () {
+    Feature::factory()->create([
+        'name' => 'some-feature',
+        'state' => FeatureState::off()
+    ]);
+
+    Feature::factory()->create([
+        'name' => 'some-other-feature',
+        'state' => FeatureState::on()
+    ]);
+
+    config([
+        'feature-flags.features' => [
+            'some-feature' => FeatureState::on(),
+            'some-other-feature' => FeatureState::on(),
+        ],
+    ]);
+
+    (new SyncFeaturesAction)->__invoke();
+
+    $this->assertDatabaseCount('features', 2);
+
+    $this->assertDatabaseHas('features', [
+        'name' => 'some-feature',
+        'state' => FeatureState::off(),
+    ]);
+
+    $this->assertDatabaseHas('features', [
+        'name' => 'some-other-feature',
+        'state' => FeatureState::on(),
+    ]);
+});
+
+it('removes features that have been removed', function () {
+    Feature::factory()->create([
+        'name' => 'some-feature',
+        'state' => FeatureState::off()
+    ]);
+
+    Feature::factory()->create([
+        'name' => 'some-other-feature',
+        'state' => FeatureState::on()
+    ]);
+
+    config([
+        'feature-flags.features' => [
+            'some-feature' => FeatureState::off(),
+        ],
+    ]);
+
+    (new SyncFeaturesAction)->__invoke();
+
+    $this->assertDatabaseCount('features', 1);
+
+    $this->assertDatabaseHas('features', [
+        'name' => 'some-feature',
+        'state' => FeatureState::off(),
+    ]);
+
+    $this->assertDatabaseMissing('features', [
+        'name' => 'some-other-feature',
+    ]);
+});