Merge pull request #75 from juicemia/master

Add Issue Update method

issue.go

@@ -588,6 +588,26 @@ func (s *IssueService) Create(issue *Issue) (*Issue, *Response, error) {
 	return responseIssue, resp, nil
 }
 
+// Update updates an issue from a JSON representation.
+//
+// JIRA API docs: https://docs.atlassian.com/jira/REST/cloud/#api/2/issue-editIssue
+func (s *IssueService) Update(issue *Issue) (*Issue, *Response, error) {
+	apiEndpoint := fmt.Sprintf("rest/api/2/issue/%v", issue.ID)
+	req, err := s.client.NewRequest("PUT", apiEndpoint, issue)
+	if err != nil {
+		return nil, nil, err
+	}
+	resp, err := s.client.Do(req, nil)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	// This is just to follow the rest of the API's convention of returning an issue.
+	// Returning the same pointer here is pointless, so we return a copy instead.
+	ret := *issue
+	return &ret, resp, nil
+}
+
 // AddComment adds a new comment to issueID.
 //
 // JIRA API docs: https://docs.atlassian.com/jira/REST/latest/#api/2/issue-addComment

issue_test.go

@@ -78,6 +78,31 @@ func TestIssueService_Create(t *testing.T) {
 	}
 }
 
+func TestIssueService_Update(t *testing.T) {
+	setup()
+	defer teardown()
+	testMux.HandleFunc("/rest/api/2/issue/10002", func(w http.ResponseWriter, r *http.Request) {
+		testMethod(t, r, "PUT")
+		testRequestURL(t, r, "/rest/api/2/issue/10002")
+
+		w.WriteHeader(http.StatusNoContent)
+	})
+
+	i := &Issue{
+		ID: "10002",
+		Fields: &IssueFields{
+			Description: "example bug report",
+		},
+	}
+	issue, _, err := testClient.Issue.Update(i)
+	if issue == nil {
+		t.Error("Expected issue. Issue is nil")
+	}
+	if err != nil {
+		t.Errorf("Error given: %s", err)
+	}
+}
+
 func TestIssueService_AddComment(t *testing.T) {
 	setup()
 	defer teardown()