adding view builder tests

nova/api/openstack/views/versions.py

@@ -15,6 +15,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import os
+
 
 def get_view_builder(req):
     base_url = req.application_url
@@ -54,4 +56,4 @@ class ViewBuilder(object):
 
     def generate_href(self, version_number):
         """Create an url that refers to a specific version_number."""
-        return "%s/%s" % (self.base_url, version_number)
+        return os.path.join(self.base_url, version_number)

nova/tests/api/openstack/test_versions.py

@@ -21,6 +21,7 @@ import webob
 from nova import context
 from nova import test
 from nova.tests.api.openstack import fakes
+from nova.api.openstack import views
 
 
 class VersionsTest(test.TestCase):
@@ -59,3 +60,38 @@ class VersionsTest(test.TestCase):
             },
         ]
         self.assertEqual(versions, expected)
+
+    def test_view_builder(self):
+        base_url = "http://example.org/"
+
+        version_data = {
+            "id": "3.2.1",
+            "status": "CURRENT",
+        }
+
+        expected = {
+            "id": "3.2.1",
+            "status": "CURRENT",
+            "links": [
+                {
+                    "rel": "self",
+                    "href": "http://example.org/3.2.1",
+                },
+            ],
+        }
+
+        builder = views.versions.ViewBuilder(base_url)
+        output = builder.build(version_data)
+
+        self.assertEqual(output, expected)
+
+    def test_generate_href(self):
+        base_url = "http://example.org/app/"
+        version_number = "v1.4.6"
+
+        expected = "http://example.org/app/v1.4.6"
+
+        builder = views.versions.ViewBuilder(base_url)
+        actual = builder.generate_href(version_number)
+
+        self.assertEqual(actual, expected)