Adding weblink component

Adding weblink component tests

tests/components/test_weblink.py

@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+import unittest
+
+import homeassistant.core as ha
+from homeassistant.components import weblink
+
+
+class TestComponentHistory(unittest.TestCase):
+    """ Tests homeassistant.components.history module. """
+
+    def setUp(self):
+        """ Test setup method. """
+        self.hass = ha.HomeAssistant()
+
+    def tearDown(self):
+        self.hass.stop()
+
+    def test_setup(self):
+        self.assertTrue(weblink.setup(self.hass, {
+            weblink.DOMAIN: {
+                'entities': [
+                    {
+                        weblink.ATTR_NAME: 'My router',
+                        weblink.ATTR_URL: 'http://127.0.0.1/'
+                    },
+                    {}
+                ]
+            }
+        }))