PHP7 Registry

Structural/Registry/Tests/RegistryTest.php

@@ -9,12 +9,33 @@ class RegistryTest extends \PHPUnit_Framework_TestCase
     public function testSetAndGetLogger()
     {
         $key = Registry::LOGGER;
-        $object = new \StdClass();
+        $logger = new \stdClass();
 
-        Registry::set($key, $object);
-        $actual = Registry::get($key);
+        Registry::set($key, $logger);
+        $storedLogger = Registry::get($key);
 
-        $this->assertEquals($object, $actual);
-        $this->assertInstanceOf('StdClass', $actual);
+        $this->assertSame($logger, $storedLogger);
+        $this->assertInstanceOf('stdClass', $storedLogger);
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testThrowsExceptionWhenTryingToSetInvalidKey()
+    {
+        Registry::set('foobar', new \stdClass());
+    }
+
+    /**
+     * notice @runInSeparateProcess here: without it, a previous test might have set it already and
+     * testing would not be possible. That's why you should implement Dependency Injection where an
+     * injected class may easily be replaced by a mockup
+     *
+     * @runInSeparateProcess
+     * @expectedException \InvalidArgumentException
+     */
+    public function testThrowsExceptionWhenTryingToGetNotSetKey()
+    {
+        Registry::get(Registry::LOGGER);
     }
 }