diff --git a/test/php/library/Businessprocess/HostNodeTest.php b/test/php/library/Businessprocess/HostNodeTest.php
new file mode 100644
index 0000000..bfcecf2
--- /dev/null
+++ b/test/php/library/Businessprocess/HostNodeTest.php
@@ -0,0 +1,48 @@
+<?php
+
+namespace Tests\Icinga\Module\Businessprocess\Operator;
+
+use Icinga\Module\Businessprocess\BusinessProcess;
+use Icinga\Module\Businessprocess\HostNode;
+use Icinga\Module\Businessprocess\Test\BaseTestCase;
+use Icinga\Web\View;
+
+class HostNodeTest extends BaseTestCase
+{
+    public function testReturnsCorrectHostName()
+    {
+        $this->assertEquals(
+            'localhost',
+            $this->localhost()->getHostname()
+        );
+    }
+
+    public function testReturnsCorrectAlias()
+    {
+        $this->assertEquals(
+            'localhost',
+            $this->localhost()->getAlias()
+        );
+    }
+
+    public function testRendersCorrectLink()
+    {
+        $this->assertEquals(
+            '<a href="/icingaweb2/monitoring/host/show?host=localhost">'
+            . 'localhost: ping &lt;&gt; pong</a>',
+            $this->localhost()->renderLink(new View())
+        );
+    }
+
+    /**
+     * @return HostNode
+     */
+    protected function localhost()
+    {
+        $bp = new BusinessProcess();
+        return new HostNode($bp, (object) array(
+            'hostname' => 'localhost',
+            'state'    => 0,
+        ));
+    }
+}
\ No newline at end of file
diff --git a/test/php/library/Businessprocess/ServiceNodeTest.php b/test/php/library/Businessprocess/ServiceNodeTest.php
new file mode 100644
index 0000000..0d3d794
--- /dev/null
+++ b/test/php/library/Businessprocess/ServiceNodeTest.php
@@ -0,0 +1,57 @@
+<?php
+
+namespace Tests\Icinga\Module\Businessprocess\Operator;
+
+use Icinga\Module\Businessprocess\BusinessProcess;
+use Icinga\Module\Businessprocess\ServiceNode;
+use Icinga\Module\Businessprocess\Test\BaseTestCase;
+use Icinga\Web\View;
+
+class ServiceNodeTest extends BaseTestCase
+{
+    public function testReturnsCorrectHostName()
+    {
+        $this->assertEquals(
+            'localhost',
+            $this->pingOnLocalhost()->getHostname()
+        );
+    }
+
+    public function testReturnsCorrectServiceDescription()
+    {
+        $this->assertEquals(
+            'ping <> pong',
+            $this->pingOnLocalhost()->getServiceDescription()
+        );
+    }
+
+    public function testReturnsCorrectAlias()
+    {
+        $this->assertEquals(
+            'localhost: ping <> pong',
+            $this->pingOnLocalhost()->getAlias()
+        );
+    }
+
+    public function testRendersCorrectLink()
+    {
+        $this->assertEquals(
+            '<a href="/icingaweb2/monitoring/service/show?host=localhost&amp;service=ping%20%3C%3E%20pong">'
+            . 'localhost: ping &lt;&gt; pong</a>',
+            $this->pingOnLocalhost()->renderLink(new View())
+        );
+    }
+
+    /**
+     * @return ServiceNode
+     */
+    protected function pingOnLocalhost()
+    {
+        $bp = new BusinessProcess();
+        return new ServiceNode($bp, (object) array(
+            'hostname' => 'localhost',
+            'service'  => 'ping <> pong',
+            'state'    => 0,
+        ));
+    }
+}
\ No newline at end of file