opt out api status endpoint

opt_out_http_api/api_methods.py

@@ -57,6 +57,9 @@ def delete_opt_out(self, addresstype, address):
             self._optouts.remove(opt_out)
         return opt_out
 
+    def count_opt_outs(self):
+        return len(self._optouts)
+
     def response(self, request, status_code=200, status_reason="OK", **data):
         request.setResponseCode(status_code)
         request.setHeader('Content-Type', 'application/json')
@@ -86,7 +89,6 @@ def opt_out_not_deleted(self, request, failure):
             request, status_code=404,
             status_reason="There\'s nothing to delete.")
 
-
 # Methods
 
     @app.route('/')
@@ -118,3 +120,8 @@ def delete_address(self, request, addresstype, address):
         if opt_out is None:
             raise OptOutNotDeleted()
         return self.response(request, opt_out=opt_out)
+
+    @app.route('/optouts/count', methods=['GET'])
+    def count_address(self, request):
+        count = self.count_opt_outs()
+        return self.response(request, opt_out_count=count)

opt_out_http_api/tests/test_api.py

@@ -18,8 +18,8 @@ def tearDown(self):
 
     @inlineCallbacks
     def start_server(self):
-        app = API()
-        self.server = yield reactor.listenTCP(0, Site(app.app.resource()))
+        self.app = API()
+        self.server = yield reactor.listenTCP(0, Site(self.app.app.resource()))
         addr = self.server.getHost()
         self.url = "http://%s:%s" % (addr.host, addr.port)
 
@@ -35,6 +35,13 @@ def api_put(self, path):
 
     def api_delete(self, path):
         return treq.delete("%s%s" % (self.url, path), persistent=False)
+
+    def api_count(self, path):
+        return treq.get("%s%s" % (self.url, path), persistent=False)
+
+    def add_opt_out(self, address_type, address):
+        self.app.save_opt_out(address_type, address)
+
 # Tests
 
     @inlineCallbacks
@@ -126,3 +133,30 @@ def test_opt_out_nothing_to_delete(self):
                 "reason": "There\'s nothing to delete."
             },
         })
+
+    @inlineCallbacks
+    def test_opt_out_count_two_opt_outs(self):
+        resp = yield self.api_count("/optouts/count")
+        self.assertEqual(resp.code, 200)
+        data = yield resp.json()
+        self.assertEqual(data, {
+            "opt_out_count": 2,
+            "status": {
+                "code": 200,
+                "reason": "OK"
+            },
+        })
+
+    @inlineCallbacks
+    def test_opt_out_count_three_opt_outs(self):
+        self.add_opt_out("msisdn", "+271345")
+        resp = yield self.api_count("/optouts/count")
+        self.assertEqual(resp.code, 200)
+        data = yield resp.json()
+        self.assertEqual(data, {
+            "opt_out_count": 3,
+            "status": {
+                "code": 200,
+                "reason": "OK"
+            },
+        })