Don’t allow broadcasts to be created from JSON

Until we know we’re going to have real users for this, let’s not expose
it.

app/v2/broadcast/post_broadcast.py

@@ -21,22 +21,22 @@ def create_broadcast():
         authenticated_service.permissions,
     )
 
-    if request.content_type == 'application/json':
-        broadcast_json = request.get_json()
-    elif request.content_type == 'application/cap+xml':
-        cap_xml = request.get_data(as_text=True)
-        if not validate_xml(cap_xml, 'CAP-v1.2.xsd'):
-            raise BadRequestError(
-                message=f'Request data is not valid CAP XML',
-                status_code=400,
-            )
-        broadcast_json = cap_xml_to_dict(cap_xml)
-    else:
+    if request.content_type != 'application/cap+xml':
         raise BadRequestError(
             message=f'Content type {request.content_type} not supported',
             status_code=400,
         )
 
+    cap_xml = request.get_data(as_text=True)
+
+    if not validate_xml(cap_xml, 'CAP-v1.2.xsd'):
+        raise BadRequestError(
+            message=f'Request data is not valid CAP XML',
+            status_code=400,
+        )
+
+    broadcast_json = cap_xml_to_dict(cap_xml)
+
     validate(broadcast_json, post_broadcast_schema)
 
     polygons = Polygons(list(chain.from_iterable((

tests/app/v2/broadcast/test_post_broadcast.py

@@ -51,46 +51,14 @@ def test_valid_post_broadcast_returns_201(
         headers=[('Content-Type', 'application/json'), auth_header],
     )
 
-    assert response.status_code == 201
-
-    response_json = json.loads(response.get_data(as_text=True))
-
-    assert response_json['approved_at'] is None
-    assert response_json['approved_by_id'] == None
-    assert response_json['areas'] == [
-        'Hackney Marshes'
-    ]
-    assert response_json['cancelled_at'] == None
-    assert response_json['cancelled_by_id'] == None
-    assert response_json['content'] == 'This is a test'
-    assert response_json['reference'] == 'abc123'
-    assert response_json['created_at']  # datetime generated by the DB so can’t freeze it
-    assert response_json['created_by_id'] == None
-    assert response_json['finishes_at'] is None
-    assert response_json['id'] == ANY
-    assert response_json['personalisation'] is None
-    assert response_json['service_id'] == str(sample_broadcast_service.id)
-    assert response_json['simple_polygons'] == [[
-        [-0.03817522145265898, 51.557381351011166],
-        [-0.03791399800364216, 51.55758039392131],
-        [-0.030362635618559567, 51.56141279571522],
-        [-0.02986997783677049, 51.56152875195115],
-        [-0.029379069367567606, 51.561405599957745],
-        [-0.023537043373602105, 51.5583323982824],
-        [-0.02328416546450603, 51.55813395976017],
-        [-0.02355422144186266, 51.557933308587664],
-        [-0.0313493058222969, 51.55414241384808],
-        [-0.031840673207720764, 51.55403463730992],
-        [-0.032327132941933706, 51.55416275685022],
-        [-0.037918974384948616, 51.55717594115094],
-        [-0.03817522145265898, 51.557381351011166],
-    ]]
-    assert response_json['starts_at'] is None
-    assert response_json['status'] == 'pending-approval'
-    assert response_json['template_id'] is None
-    assert response_json['template_name'] is None
-    assert response_json['template_version'] is None
-    assert response_json['updated_at'] is None
+    assert response.status_code == 400
+    assert json.loads(response.get_data(as_text=True)) == {
+        'errors': [{
+            'error': 'BadRequestError',
+            'message': 'Content type application/json not supported'
+        }],
+        'status_code': 400,
+    }
 
 
 def test_valid_post_cap_xml_broadcast_returns_201(