Improve error reporting on users API

* users (#6878, #3526, #4209): Validation error messages are now exposed through 400 responses, 409 response are sent in case of duplicate email or username
* MRs (#5335): 409 responses are sent in case of duplicate merge request (source/target branches), 422 responses are sent when submiting MR fo/from unrelated forks
* issues
* labels
* projects

1 files changed, 18 insertions, 0 deletions

diff --git a/spec/requests/api/issues_spec.rb b/spec/requests/api/issues_spec.rb
index e8eebda95b4..9876452f81d 100644
--- a/spec/requests/api/issues_spec.rb
+++ b/spec/requests/api/issues_spec.rb
@@ -169,6 +169,15 @@ describe API::API, api: true  do
       response.status.should == 400
       json_response['message']['labels']['?']['title'].should == ['is invalid']
     end
+
+    it 'should return 400 if title is too long' do
+      post api("/projects/#{project.id}/issues", user),
+           title: 'g' * 256
+      response.status.should == 400
+      json_response['message']['title'].should == [
+        'is too long (maximum is 255 characters)'
+      ]
+    end
   end
 
   describe "PUT /projects/:id/issues/:issue_id to update only title" do
@@ -237,6 +246,15 @@ describe API::API, api: true  do
       json_response['labels'].should include 'label_bar'
       json_response['labels'].should include 'label/bar'
     end
+
+    it 'should return 400 if title is too long' do
+      put api("/projects/#{project.id}/issues/#{issue.id}", user),
+          title: 'g' * 256
+      response.status.should == 400
+      json_response['message']['title'].should == [
+        'is too long (maximum is 255 characters)'
+      ]
+    end
   end
 
   describe "PUT /projects/:id/issues/:issue_id to update state and label" do