Updated test to use already built testClient. Fixed jira error functions to receive jira.Response instead of http.Response

error.go

@@ -5,7 +5,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io/ioutil"
-	"net/http"
 
 	"github.com/pkg/errors"
 )
@@ -19,7 +18,7 @@ type Error struct {
 }
 
 // NewJiraError creates a new jira Error
-func NewJiraError(resp *http.Response, httpError error) error {
+func NewJiraError(resp *Response, httpError error) error {
 	defer resp.Body.Close()
 	body, err := ioutil.ReadAll(resp.Body)
 	if err != nil {

error_test.go

@@ -2,27 +2,31 @@ package jira
 
 import (
 	"errors"
-	"io"
+	"fmt"
 	"net/http"
-	"net/http/httptest"
 	"strings"
 	"testing"
 )
 
 func TestError_NewJiraError(t *testing.T) {
-	handler := func(w http.ResponseWriter, r *http.Request) {
-		io.WriteString(w, `{"errorMessages":["Issue does not exist or you do not have permission to see it."],"errors":{}}`)
-	}
+	setup()
+	defer teardown()
 
-	req := httptest.NewRequest("GET", "http://example.com/foo", nil)
-	w := httptest.NewRecorder()
-	handler(w, req)
-	resp := w.Result()
+	testMux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprint(w, `{"errorMessages":["Issue does not exist or you do not have permission to see it."],"errors":{}}`)
+	})
+
+	req, _ := testClient.NewRequest("GET", "/", nil)
+	resp, _ := testClient.Do(req, nil)
 
 	err := NewJiraError(resp, errors.New("Original http error"))
 	if err, ok := err.(*Error); !ok {
 		t.Errorf("Expected jira Error. Got %s", err.Error())
 	}
+
+	if !strings.Contains(err.Error(), "Issue does not exist") {
+		t.Errorf("Expected issue message. Got: %s", err.Error())
+	}
 }
 
 func TestError_NilOriginalMessage(t *testing.T) {

issue.go

@@ -363,7 +363,7 @@ func (s *IssueService) Get(issueID string) (*Issue, *Response, error) {
 	issue := new(Issue)
 	resp, err := s.client.Do(req, issue)
 	if err != nil {
-		jerr := NewJiraError(resp.Response, err)
+		jerr := NewJiraError(resp, err)
 		return nil, resp, jerr
 	}