mirror of https://github.com/prometheus/prometheus
99 lines
2.9 KiB
Go
99 lines
2.9 KiB
Go
// The MIT License (MIT)
|
|
|
|
// Copyright (c) 2014 Ben Johnson
|
|
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
|
|
// The above copyright notice and this permission notice shall be included in all
|
|
// copies or substantial portions of the Software.
|
|
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
// SOFTWARE.
|
|
|
|
package testutil
|
|
|
|
import (
|
|
"fmt"
|
|
"reflect"
|
|
)
|
|
|
|
// This package is imported by non-test code and therefore cannot import the
|
|
// testing package, which has side effects such as adding flags. Hence we use an
|
|
// interface to testing.{T,B}.
|
|
type TB interface {
|
|
Helper()
|
|
Fatalf(string, ...interface{})
|
|
}
|
|
|
|
// Assert fails the test if the condition is false.
|
|
func Assert(tb TB, condition bool, format string, a ...interface{}) {
|
|
tb.Helper()
|
|
if !condition {
|
|
tb.Fatalf("\033[31m"+format+"\033[39m\n", a...)
|
|
}
|
|
}
|
|
|
|
// Ok fails the test if an err is not nil.
|
|
func Ok(tb TB, err error) {
|
|
tb.Helper()
|
|
if err != nil {
|
|
tb.Fatalf("\033[31munexpected error: %v\033[39m\n", err)
|
|
}
|
|
}
|
|
|
|
// NotOk fails the test if an err is nil.
|
|
func NotOk(tb TB, err error, a ...interface{}) {
|
|
tb.Helper()
|
|
if err == nil {
|
|
if len(a) != 0 {
|
|
format := a[0].(string)
|
|
tb.Fatalf("\033[31m"+format+": expected error, got none\033[39m", a...)
|
|
}
|
|
tb.Fatalf("\033[31mexpected error, got none\033[39m")
|
|
}
|
|
}
|
|
|
|
// Equals fails the test if exp is not equal to act.
|
|
func Equals(tb TB, exp, act interface{}, msgAndArgs ...interface{}) {
|
|
tb.Helper()
|
|
if !reflect.DeepEqual(exp, act) {
|
|
tb.Fatalf("\033[31m%s\n\nexp: %#v\n\ngot: %#v\033[39m\n", formatMessage(msgAndArgs), exp, act)
|
|
}
|
|
}
|
|
|
|
// ErrorEqual compares Go errors for equality.
|
|
func ErrorEqual(tb TB, left, right error, msgAndArgs ...interface{}) {
|
|
tb.Helper()
|
|
if left == right {
|
|
return
|
|
}
|
|
|
|
if left != nil && right != nil {
|
|
Equals(tb, left.Error(), right.Error(), msgAndArgs...)
|
|
return
|
|
}
|
|
|
|
tb.Fatalf("\033[31m%s\n\nexp: %#v\n\ngot: %#v\033[39m\n", formatMessage(msgAndArgs), left, right)
|
|
}
|
|
|
|
func formatMessage(msgAndArgs []interface{}) string {
|
|
if len(msgAndArgs) == 0 {
|
|
return ""
|
|
}
|
|
|
|
if msg, ok := msgAndArgs[0].(string); ok {
|
|
return fmt.Sprintf("\n\nmsg: "+msg, msgAndArgs[1:]...)
|
|
}
|
|
return ""
|
|
}
|