Add REST API methods for test prefixes

This adds 2 new REST API methods for getting a list of test prefixes
('/tests/prefix') and getting a paginated list of tests for a given
prefix ('/tests/prefix/<prefix>').

Depends-On: I55e37c763f3f3ffc2840fddc8109d601291fcc0f
Change-Id: Ib6584a7a5600037dd33cce8fb4466495ed8e83d1

openstack_health/api.py

@@ -344,6 +344,25 @@ def get_tests():
         return jsonify({'tests': tests})
 
 
+@app.route('/tests/prefix', methods=['GET'])
+def get_test_prefixes():
+    with session_scope() as session:
+        return jsonify(api.get_test_prefixes(session))
+
+
+@app.route('/tests/prefix/<path:prefix>', methods=['GET'])
+def get_tests_by_prefix(prefix):
+    limit = flask.request.args.get('limit', 100)
+    offset = flask.request.args.get('offset', 0)
+
+    with session_scope() as session:
+        db_tests = api.get_tests_by_prefix(prefix, session,
+                                           limit=limit, offset=offset)
+
+        tests = [test.to_dict() for test in db_tests]
+        return jsonify({'tests': tests})
+
+
 def _check_db_availability():
     try:
         global engine

openstack_health/tests/test_api.py

@@ -134,6 +134,34 @@ class TestRestAPI(base.TestCase):
         self.assertEqual(json.loads(res.data.decode('utf-8')),
                          expected_response)
 
+    @mock.patch('subunit2sql.db.api.get_test_prefixes',
+                return_value=['tempest', 'common', 'api'])
+    def test_get_test_prefixes(self, api_mock):
+        res = self.app.get('/tests/prefix')
+        self.assertEqual(200, res.status_code)
+        expected_response = ['tempest', 'common', 'api']
+        self.assertEqual(json.loads(res.data.decode('utf-8')),
+                         expected_response)
+
+    @mock.patch('subunit2sql.db.api.get_tests_by_prefix',
+                return_value=[models.Test(id='fake_id', test_id='prefix.test',
+                                          run_count=1, success=2, failure=2,
+                                          run_time=1.0)])
+    def test_get_tests_by_prefix(self, api_mock):
+        res = self.app.get('/tests/prefix/prefix')
+        self.assertEqual(200, res.status_code)
+        expected_response = {'tests': [{
+            'id': 'fake_id',
+            'test_id': 'prefix.test',
+            'run_count': 1,
+            'success': 2,
+            'failure': 2,
+            'run_time': 1.0
+        }]}
+
+        self.assertEqual(json.loads(res.data.decode('utf-8')),
+                         expected_response)
+
     @mock.patch('subunit2sql.db.api.get_all_runs_by_date',
                 return_value=[models.Run(
                     id='fake_id', skips=2, fails=4, passes=2, run_time=21.2,

requirements.txt

@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 pbr>=1.6 # Apache-2.0
 Flask<1.0,>=0.10 # BSD
-subunit2sql>=1.3.0 # Apache-2.0
+subunit2sql>=1.4.0 # Apache-2.0
 SQLAlchemy<1.1.0,>=1.0.10 # MIT
 flask-jsonpify # MIT
 PyMySQL>=0.6.2 # MIT License