API: issues documentation and API functions updated

The issues documentation is updated with infos to status codes and the deprecated `DELETE` function and
how to close an issue. A few more tests added to check status codes of API functions.

1 files changed, 16 insertions, 0 deletions

diff --git a/spec/requests/api/issues_spec.rb b/spec/requests/api/issues_spec.rb
index 630ac0f820a..ecf0bdb7084 100644
--- a/spec/requests/api/issues_spec.rb
+++ b/spec/requests/api/issues_spec.rb
@@ -41,6 +41,11 @@ describe Gitlab::API do
       response.status.should == 200
       json_response['title'].should == issue.title
     end
+
+    it "should return 404 if issue id not found" do
+      get api("/projects/#{project.id}/issues/54321", user)
+      response.status.should == 404
+    end
   end
 
   describe "POST /projects/:id/issues" do
@@ -52,6 +57,11 @@ describe Gitlab::API do
       json_response['description'].should be_nil
       json_response['labels'].should == ['label', 'label2']
     end
+
+    it "should return a 400 bad request if title not given" do
+      post api("/projects/#{project.id}/issues", user), labels: 'label, label2'
+      response.status.should == 400
+    end
   end
 
   describe "PUT /projects/:id/issues/:issue_id to update only title" do
@@ -62,6 +72,12 @@ describe Gitlab::API do
 
       json_response['title'].should == 'updated title'
     end
+
+    it "should return 404 error if issue id not found" do
+      put api("/projects/#{project.id}/issues/44444", user),
+        title: 'updated title'
+      response.status.should == 404
+    end
   end
 
   describe "PUT /projects/:id/issues/:issue_id to update state and label" do