More test coverage

Run youtube-dl with --restrict-filenames in order to avoid issues when testing against different locales

tests/LocaleManagerTest.php

@@ -0,0 +1,65 @@
+<?php
+/**
+ * LocaleManagerTest class.
+ */
+
+namespace Alltube\Test;
+
+use Alltube\Locale;
+use Alltube\LocaleManager;
+
+/**
+ * Unit tests for the Config class.
+ */
+class LocaleManagerTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * LocaleManager class instance.
+     *
+     * @var LocaleManager
+     */
+    private $localeManager;
+
+    /**
+     * Prepare tests.
+     */
+    protected function setUp()
+    {
+        $this->localeManager = new LocaleManager();
+    }
+
+    /**
+     * Test the getSupportedLocales function.
+     *
+     * @return void
+     */
+    public function testGetSupportedLocales()
+    {
+        foreach ($this->localeManager->getSupportedLocales() as $locale) {
+            $this->assertInstanceOf(Locale::class, $locale);
+        }
+    }
+
+    /**
+     * Test the getLocale function.
+     *
+     * @return void
+     */
+    public function testGetLocale()
+    {
+        $this->assertNull($this->localeManager->getLocale());
+    }
+
+    /**
+     * Test the setLocale function.
+     *
+     * @return void
+     */
+    public function testSetLocale()
+    {
+        $this->localeManager->setLocale(new Locale('foo_BAR'));
+        $locale = $this->localeManager->getLocale();
+        $this->assertInstanceOf(Locale::class, $locale);
+        $this->assertEquals('foo_BAR', (string) $locale);
+    }
+}