Minor improvements regarding #705 (coding style, unit tests, etc.)

tests/ApplicationUtilsTest.php

@@ -331,4 +331,48 @@ class ApplicationUtilsTest extends PHPUnit_Framework_TestCase
             ApplicationUtils::checkResourcePermissions($conf)
         );
     }
+
+    /**
+     * Test getThemes() with existing theme directories.
+     */
+    public function testGetThemes()
+    {
+        $themes = ['theme1', 'default', 'Bl1p_- bL0p'];
+        foreach ($themes as $theme) {
+            mkdir('sandbox/tpl/'. $theme, 0777, true);
+        }
+
+        // include a file which should be ignored
+        touch('sandbox/tpl/supertheme');
+
+        $res = ApplicationUtils::getThemes('sandbox/tpl/');
+        foreach ($res as $theme) {
+            $this->assertTrue(in_array($theme, $themes));
+        }
+        $this->assertFalse(in_array('supertheme', $res));
+
+        foreach ($themes as $theme) {
+            rmdir('sandbox/tpl/'. $theme);
+        }
+        unlink('sandbox/tpl/supertheme');
+        rmdir('sandbox/tpl');
+    }
+
+    /**
+     * Test getThemes() without any theme dir.
+     */
+    public function testGetThemesEmpty()
+    {
+        mkdir('sandbox/tpl/', 0777, true);
+        $this->assertEquals([], ApplicationUtils::getThemes('sandbox/tpl/'));
+        rmdir('sandbox/tpl/');
+    }
+
+    /**
+     * Test getThemes() with an invalid path.
+     */
+    public function testGetThemesInvalid()
+    {
+        $this->assertEquals([], ApplicationUtils::getThemes('nope'));
+    }
 }

tests/Updater/UpdaterTest.php

@@ -2,6 +2,7 @@
 
 require_once 'application/config/ConfigManager.php';
 require_once 'tests/Updater/DummyUpdater.php';
+require_once 'inc/rain.tpl.class.php';
 
 /**
  * Class UpdaterTest.

tests/utils/config/configJson.json.php

@@ -24,7 +24,8 @@
     },
     "resource": {
         "datastore": "tests\/utils\/config\/datastore.php",
-        "data_dir": "tests\/utils\/config"
+        "data_dir": "tests\/utils\/config",
+        "raintpl_tpl": "tpl/"
     },
     "plugins": {
         "WALLABAG_VERSION": 1