fix: no errors

err.go

@@ -8,7 +8,7 @@ type UnexpectedResponse struct {
 }
 
 func (r UnexpectedResponse) Error() string {
-	return fmt.Sprintf("Unexpected response from API. status: %d body: %s", r.Status, r.Body)
+	return fmt.Sprintf("Unexpected response from API. Status: %d Body: %s", r.Status, r.Body)
 }
 
 type ErrResponse struct {
@@ -21,5 +21,8 @@ type ErrResponse struct {
 }
 
 func (e ErrResponse) Error() string {
+	if len(e.Errors) == 0 {
+		return fmt.Sprintf("Error during API call. Status: %d Type: %s Title: %s", e.Status, e.Type, e.Title)
+	}
 	return fmt.Sprintf("Error during API call. Status: %d Type: %s Title: %s Errors: %s", e.Status, e.Type, e.Title, e.Errors)
 }

err_test.go

@@ -17,12 +17,12 @@ var badRequestValidationNoErrors []byte
 
 func TestUnexpectedResponse(t *testing.T) {
 	resp := clearbank.UnexpectedResponse{Status: 500, Body: "I am an error."}
-	assert.Equal(t, resp.Error(), "Unexpected response from API. status: 500 body: I am an error.")
+	assert.Equal(t, "Unexpected response from API. Status: 500 Body: I am an error.", resp.Error())
 }
 
 func TestErrResponse(t *testing.T) {
 	resp := clearbank.ErrResponse{Status: 500, Type: "abcd", Title: "I am an error."}
-	assert.Equal(t, resp.Error(), "Error during API call. status: 500 type: abcd title: I am an error.")
+	assert.Equal(t, "Error during API call. Status: 500 Type: abcd Title: I am an error.", resp.Error())
 }
 
 func TestErrResponse_Errors(t *testing.T) {
@@ -42,5 +42,5 @@ func TestErrResponse_NoErrors(t *testing.T) {
 	assert.NoError(t, err)
 
 	assert.Len(t, resp.Errors, 0)
-	assert.Equal(t, "Error during API call. Status: 400 Type: https://tools.ietf.org/html/rfc7231#section-6.5.1 Title: One or more validation errors occurred. Errors: map[]", resp.Error())
+	assert.Equal(t, "Error during API call. Status: 400 Type: https://tools.ietf.org/html/rfc7231#section-6.5.1 Title: One or more validation errors occurred.", resp.Error())
 }