Add metadata.xml tests. (#112)

* Add basic metadata_xml tests.

tests/test_metadata_xml.py

@@ -0,0 +1,38 @@
+# Copyright 2018 Open Source Robotics Foundation, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from superflore.generators.ebuild.metadata_xml import metadata_xml
+import xmltodict
+import unittest
+
+
+class TestMetadataXml(unittest.TestCase):
+    def get_metadata_xml(self):
+        xml = metadata_xml()
+        xml.upstream_name = "Someone Important"
+        xml.upstream_email = "someone@example.com"
+        xml.upstream_bug_url = "https://bugzilla.someone.com"
+        xml.maintainer_type = "person"
+        xml.longdescription = "A ROS node that does cool stuff"
+        return xml.get_metadata_text()
+
+    def test_metadata_format(self):
+        """Test for parsing"""
+        doc = xmltodict.parse(self.get_metadata_xml())
+        metadata = doc['pkgmetadata']
+        self.assertEqual(metadata['longdescription'], 'A ROS node that does cool stuff')
+        who = metadata['upstream']['maintainer']
+        self.assertEqual(who['email'], 'someone@example.com')
+        self.assertEqual(who['name'], 'Someone Important')
+        self.assertEqual(metadata['upstream']['bugs-to'], 'https://bugzilla.someone.com')