Fixes purge output message when nothing is purged (#114)

* Fixes purge output message when nothing is purged

* Fix code styling

---------

Co-authored-by: timacdonald <timacdonald@users.noreply.github.com>

src/Commands/PurgeCommand.php

@@ -61,9 +61,13 @@ public function handle(FeatureManager $manager)
 
         $store->purge($features);
 
-        with($features ?: ['All features'], function ($names) {
-            $this->components->info(implode(', ', $names).' successfully purged from storage.');
-        });
+        if ($features) {
+            $this->components->info(implode(', ', $features).' successfully purged from storage.');
+        } elseif ($except) {
+            $this->components->info('No features to purge from storage.');
+        } else {
+            $this->components->info('All features successfully purged from storage.');
+        }
 
         return self::SUCCESS;
     }

tests/Feature/PurgeCommandTest.php

@@ -133,6 +133,20 @@ public function test_it_can_exclude_features_to_purge_from_storage()
         $this->assertSame(0, DB::table('features')->count());
     }
 
+    public function test_it_outputs_that_no_features_have_been_purged()
+    {
+        Feature::define('foo', true);
+
+        Feature::for('tim')->active('foo');
+        Feature::for('taylor')->active('foo');
+
+        $this->assertSame(2, DB::table('features')->where('name', 'foo')->count());
+
+        $this->artisan('pennant:purge --except=foo')->expectsOutputToContain('No features to purge from storage.');
+
+        $this->assertSame(2, DB::table('features')->where('name', 'foo')->count());
+    }
+
     public function test_it_can_combine_except_and_features_as_arguments()
     {
         DB::table('features')->insert([