| /* |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, |
| software distributed under the License is distributed on an |
| "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| KIND, either express or implied. See the License for the |
| specific language governing permissions and limitations |
| under the License. |
| */ |
| |
| // Utilities to supplement the standard Go testing package |
| package test |
| |
| import ( |
| "fmt" |
| "path" |
| "reflect" |
| "runtime" |
| "testing" |
| ) |
| |
| // The testing.TB.Helper() is only available from Go 1.9. |
| // Decorate messages with the correct file:line at callDepth before calling |
| // before calling a testing.TB method. |
| func decorate(method func(arg ...interface{}), callDepth int, msg string) { |
| _, file, line, _ := runtime.Caller(callDepth + 1) |
| _, file = path.Split(file) |
| method(fmt.Sprintf("\n%s:%d: %v", file, line, msg)) |
| } |
| |
| // Format a message and call method if err != nil |
| func checkErr(method func(arg ...interface{}), callDepth int, err error, format ...interface{}) error { |
| if err != nil { |
| var msg string |
| if len(format) > 0 { |
| msg = fmt.Sprintf("%v: %v", fmt.Sprintf(format[0].(string), format[1:]...), err) |
| } else { |
| msg = err.Error() |
| } |
| decorate(method, callDepth+1, msg) |
| } |
| return err |
| } |
| |
| func ErrorIfN(callDepth int, t testing.TB, err error, format ...interface{}) error { |
| return checkErr(t.Error, callDepth+1, err, format...) |
| } |
| |
| func ErrorIf(t testing.TB, err error, format ...interface{}) error { |
| return ErrorIfN(1, t, err, format...) |
| } |
| |
| func FatalIfN(callDepth int, t testing.TB, err error, format ...interface{}) { |
| checkErr(t.Fatal, callDepth+1, err, format...) |
| } |
| |
| func FatalIf(t testing.TB, err error, format ...interface{}) { |
| FatalIfN(1, t, err, format...) |
| } |
| |
| // if reflect.DeepEqual(want, got) { return nil } else { return error("want != got" }) |
| func Differ(want interface{}, got interface{}) error { |
| if !reflect.DeepEqual(want, got) { |
| return fmt.Errorf("(%T)%#v != (%T)%#v)", want, want, got, got) |
| } |
| return nil |
| } |