Add tests for the cache functionality as well as for the artisan command

Author: Krisell

tests/Feature/ClearJsonCacheCommandTest.php

@@ -0,0 +1,31 @@
+<?php
+
+use Krisell\LaravelTranslationJsonCache\Tests\TestCase;
+
+class ClearJsonCacheCommandTest extends TestCase
+{
+    /** @test */
+    public function the_artisan_commands_prints_output_after_being_done()
+    {
+        $this->artisan("translation-json-cache:clear")
+            ->expectsOutput("Translation JSON cache files cleared.");
+    }
+
+    /** @test */
+    public function the_artisan_commands_clear_cache_files()
+    {
+        Storage::put('translation-cache-en.php', 'a');
+        Storage::put('translation-cache-sv.php', 'b');
+        Storage::put('translation-cache-fr.php', 'c');
+
+        $this->assertCount(3, collect(Storage::files())->filter(function ($filename) {
+            return preg_match('/.*-cache-.*/', $filename);
+        }));
+
+        $this->artisan("translation-json-cache:clear");
+
+        $this->assertCount(0, collect(Storage::files())->filter(function ($filename) {
+            return preg_match('/.*-cache-.*/', $filename);
+        }));
+    }
+}

tests/Feature/TranslationJsonCacheTest.php

@@ -0,0 +1,85 @@
+<?php
+
+use Krisell\LaravelTranslationJsonCache\Tests\TestCase;
+
+class TranslationJsonCacheTest extends TestCase
+{
+    /** @test */
+    function the_cache_file_is_created_when_the_env_variable_is_true()
+    {
+        config(['translation-json-cache.active' => true]);
+
+        __("Test");
+
+        $this->assertTrue(Storage::exists('translation-cache-en.php'));
+    }
+
+    /** @test */
+    function the_cache_file_is_not_created_when_the_env_variable_is_false ()
+    {
+        config(['translation-json-cache.active' => false]);
+
+        __("Test");
+
+        $this->assertFalse(Storage::exists('translation-cache-en.php'));
+    }
+
+    /** @test */
+    function the_cache_file_is_not_created_when_the_env_variable_is_missing ()
+    {
+        config(['translation-json-cache.active' => null]);
+
+        __("Test");
+
+        $this->assertFalse(Storage::exists('translation-cache-en.php'));
+    }
+
+    /** @test */
+    function the_cache_file_is_used_when_the_env_variable_is_set_to_true ()
+    {
+        Storage::put('translation-cache-en.php', '<?php return ["Test" => "Testing"];');
+        config(['translation-json-cache.active' => true]);
+
+        $this->assertEquals("Testing", __("Test"));
+    }
+
+    /** @test */
+    function the_cache_file_is_not_used_when_the_env_variable_is_set_to_false ()
+    {
+        Storage::put('translation-cache-en.php', '<?php return ["Test" => "Testing"];');
+        config(['translation-json-cache.active' => false]);
+
+        $this->assertEquals("Test", __("Test"));
+    }
+
+    /** @test */
+    function the_cache_file_is_not_used_when_the_env_variable_is_missing ()
+    {
+        Storage::put('translation-cache-en.php', '<?php return ["Test" => "Testing"];');
+        config(['translation-json-cache.active' => null]);
+
+        $this->assertEquals("Test", __("Test"));
+    }
+
+    /** @test */
+    function the_data_in_the_cached_file_corresponds_to_the_json_file ()
+    {
+        file_put_contents(base_path() . '/resources/lang/en.json', '{"Test":"Testing"}');
+        config(['translation-json-cache.active' => true]);
+
+        $this->assertEquals("Testing", __("Test"));
+
+        $data = require storage_path() . '/app/translation-cache-en.php';
+        $this->assertEquals('Testing', $data['Test']);
+    }
+
+    /** @test */
+    function the_cached_file_takes_presendece_if_it_differs_from_the_json_file ()
+    {
+        file_put_contents(base_path() . '/resources/lang/en.json', '{"Test":"Testing"}');
+        file_put_contents(storage_path() . '/app/translation-cache-en.php', '<?php return ["Test" => "Testing2"];');
+        config(['translation-json-cache.active' => true]);
+
+        $this->assertEquals("Testing2", __("Test"));
+    }
+}

tests/TestCase.php

@@ -2,14 +2,24 @@
 
 namespace Krisell\LaravelTranslationJsonCache\Tests;
 
+use Illuminate\Support\Facades\Storage;
 use Krisell\LaravelTranslationJsonCache\TranslationJsonCacheServiceProvider;
-
+use Krisell\LaravelTranslationJsonCache\ClearJsonCacheCommandServiceProvider;
 
 class TestCase extends \Orchestra\Testbench\TestCase
 {
     public function setUp(): void
     {
         parent::setUp();
+
+        app()->setLocale('en');
+        $jsonPath = base_path() . '/resources/lang/en.json';
+
+        if (file_exists($jsonPath)) {
+            unlink($jsonPath);
+        }
+
+        Storage::delete('translation-cache-en.php');
     }
 
     protected function getPackageProviders($app)