Add easy tests for SimpleSAML/Locale/Translate

tests/lib/SimpleSAML/Locale/TranslateTest.php

+<?php
+
+namespace SimpleSAML\Test\Locale;
+
+use SimpleSAML\Locale\Translate;
+
+class TranslateTest extends \PHPUnit_Framework_TestCase
+{
+
+    /**
+     * Test SimpleSAML\Locale\Translate::noop().
+     */
+    public function testNoop()
+    {
+        // test default
+        $c = \SimpleSAML_Configuration::loadFromArray(array());
+        $t = new Translate($c);
+        $testString = 'Blablabla';
+        $this->assertEquals($testString, $t->noop($testString));
+    }
+
+    /**
+     * Test SimpleSAML\Locale\Translate::t().
+     */
+    public function testTFallback()
+    {
+        $c = \SimpleSAML_Configuration::loadFromArray(array());
+        $t = new Translate($c);
+        $testString = 'Blablabla';
+
+        // $fallbackdefault = true
+        $result = 'not translated ('.$testString.')';
+        $this->assertEquals($result, $t->t($testString));
+
+        // $fallbackdefault = false, should be a noop
+        $this->assertEquals($testString, $t->t($testString, array(), false));
+    }
+}