func TestErrorMessage(t *testing.T) {
code := 418
err := httperror.New(code, "Ah ah ah")
errStr := err.Error()
expected := fmt.Sprintf("[%d] %s: %s", err.Code, err.Status, err.Message)
if errStr != expected {
t.Error("Error() not formatting strting output properly")
}
}
// test the IsHTTPError function
func TestIsHTTPError(t *testing.T) {
code := 418
err := httperror.New(code)
if !httperror.IsHTTPError(err) {
t.Error("Not an HTTPError")
}
if !httperror.IsHTTPError(*err) {
t.Error("Not an HTTPError")
}
}
// test creation of a simple http error
func TestNew(t *testing.T) {
code := 404
message := "Thing not found"
err := httperror.New(code, message)
if err.Code != code {
t.Error("Code on error does not match")
}
if err.Message != message {
t.Error("Message on error does not match")
}
}
// test Respond
func TestRespond(t *testing.T) {
code := 418
err := httperror.New(code)
res := new(MockResponseWriter)
err.Respond(res)
if res.StatusCode != code {
t.Error("Response code not set")
}
if res.ResBody == nil {
t.Error("Response body not set")
}
}
// test using fmt.Sprintf style arguments to format an error message
func TestNewWithFormattedMessage(t *testing.T) {
code := 418
message := "Stop trying to %s"
arg := "lick your own ass"
err := httperror.New(code, message, arg)
if err.Code != code {
t.Error("Code on error does not match")
}
if err.Message != fmt.Sprintf(message, arg) {
t.Error("Message on error does not match")
}
}
// test allowing the error to fill in a message if one is not provided
func TestNewWithAutoMessage(t *testing.T) {
code := 418
message := "I'm a teapot"
// leave out the message, let it use a standard one
err := httperror.New(code)
if err.Code != code {
t.Error("Code on error does not match")
}
if err.Message != message {
t.Error("Message on error does not match")
}
}
func ExampleNew_formatted() {
err := httperror.New(418, "Ah ah ah %s", "foo")
fmt.Println(err)
// Output: [418] I'm a teapot: Ah ah ah foo
}
func ExampleNew_message() {
err := httperror.New(418, "Ah ah ah")
fmt.Println(err)
// Output: [418] I'm a teapot: Ah ah ah
}
func ExampleNew_code() {
err := httperror.New(418)
fmt.Println(err)
// Output: [418] I'm a teapot
}
func ExampleHTTPError_Respond() {
var w http.ResponseWriter
err := httperror.New(418)
err.Respond(w)
}