diff --git a/src/Rdfalite/Tests/Application/ContextTest.php b/src/Rdfalite/Tests/Application/ContextTest.php
new file mode 100644
index 0000000..fd5345e
--- /dev/null
+++ b/src/Rdfalite/Tests/Application/ContextTest.php
@@ -0,0 +1,122 @@
+<?php
+
+/**
+ * rdfa-lite
+ *
+ * @category Jkphl
+ * @package Jkphl\Rdfalite
+ * @subpackage Jkphl\Rdfalite\Tests
+ * @author Joschi Kuphal <joschi@tollwerk.de> / @jkphl
+ * @copyright Copyright © 2017 Joschi Kuphal <joschi@tollwerk.de> / @jkphl
+ * @license http://opensource.org/licenses/MIT The MIT License (MIT)
+ */
+
+/***********************************************************************************
+ *  The MIT License (MIT)
+ *
+ *  Copyright © 2017 Joschi Kuphal <joschi@kuphal.net> / @jkphl
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy of
+ *  this software and associated documentation files (the "Software"), to deal in
+ *  the Software without restriction, including without limitation the rights to
+ *  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ *  the Software, and to permit persons to whom the Software is furnished to do so,
+ *  subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in all
+ *  copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ *  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ *  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ *  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ *  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ ***********************************************************************************/
+
+namespace Application;
+
+use Jkphl\Rdfalite\Application\Parser\Context;
+use Jkphl\Rdfalite\Domain\Vocabulary\Vocabulary;
+use Jkphl\Rdfalite\Tests\Domain\VocabularyTest;
+
+/**
+ * Parser context tests
+ *
+ * @package Jkphl\Rdfalite
+ * @subpackage Jkphl\Rdfalite\Tests
+ */
+class ContextTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Test parser context instantiation
+     */
+    public function testContext()
+    {
+        $context = new Context();
+        $this->assertInstanceOf(Context::class, $context);
+        $this->assertTrue($context->hasVocabulary('schema'));
+
+        // Test vocabulary retrieval
+        $schemaOrgVocabulary = $context->getVocabulary('schema');
+        $this->assertInstanceOf(Vocabulary::class, $schemaOrgVocabulary);
+        $this->assertEquals($schemaOrgVocabulary, new Vocabulary(VocabularyTest::SCHEMA_ORG));
+    }
+
+    /**
+     * Test the registration of a vocabulary
+     */
+    public function testContextVocabRegistration(){
+        $randomPrefix = 'random'.rand();
+        $context = new Context();
+        $this->assertInstanceOf(Context::class, $context);
+        $this->assertFalse($context->hasVocabulary($randomPrefix));
+        $contextHash = spl_object_hash($context);
+
+        $sameContext = $context->registerVocabulary('schema', VocabularyTest::SCHEMA_ORG);
+        $this->assertEquals($contextHash, spl_object_hash($sameContext));
+
+        $newContext = $sameContext->registerVocabulary($randomPrefix, 'http://example.com');
+        $this->assertNotEquals($contextHash, spl_object_hash($newContext));
+        $this->assertEquals(new Vocabulary('http://example.com'), $newContext->getVocabulary($randomPrefix));
+    }
+
+    /**
+     * Test an invalid vocabulary prefix
+     *
+     * @expectedException \Jkphl\Rdfalite\Application\Exceptions\RuntimeException
+     * @expectedExceptionCode 1486927326
+     */
+    public function testInvalidVocabularyPrefix() {
+        $context = new Context();
+        $this->assertInstanceOf(Context::class, $context);
+        $context->registerVocabulary('', null);
+    }
+
+    /**
+     * Test an invalid vocabulary URI
+     *
+     * @expectedException \Jkphl\Rdfalite\Domain\Exceptions\RuntimeException
+     * @expectedExceptionCode 1486823170
+     */
+    public function testInvalidVocabularyUri() {
+        $context = new Context();
+        $this->assertInstanceOf(Context::class, $context);
+        $context->registerVocabulary('test', null);
+    }
+
+    /**
+     * Test an invalid vocabulary URI
+     *
+     * @expectedException \Jkphl\Rdfalite\Application\Exceptions\OutOfBoundsException
+     * @expectedExceptionCode 1486928423
+     */
+    public function testUnknownVocabularyPrefix() {
+        $context = new Context();
+        $this->assertInstanceOf(Context::class, $context);
+        $context->getVocabulary('random'.rand());
+    }
+}
+
+
+