pulumi/pkg/util/assert.go
joeduffy c20c151edf Use assertions in more places
This change mostly replaces explicit if/then/glog.Fatalf calls with
util.Assert calls.  In addition, it adds a companion util.Fail family
of methods that does the same thing as a failed assertion, except that
it is unconditional.
2016-11-19 16:13:13 -08:00

33 lines
705 B
Go

// Copyright 2016 Marapongo, Inc. All rights reserved.
package util
import (
"fmt"
"github.com/golang/glog"
)
const assertMsg = "An assertion has failed"
// Assert checks a condition and Fails if it is false.
func Assert(cond bool) {
if !cond {
glog.Fatal(assertMsg)
}
}
// AssertM checks a condition and FailsMs if it is false, logging the given message.
func AssertM(cond bool, msg string) {
if !cond {
glog.Fatalf("%v: %v", assertMsg, msg)
}
}
// AssertMF checks a condition and FailsMFs if it is false, formatting and logging the given message.
func AssertMF(cond bool, msg string, args ...interface{}) {
if !cond {
glog.Fatalf("%v: %v", assertMsg, fmt.Sprintf(msg, args...))
}
}