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// Copyright 2016-2018 The NATS Authors
// Licensed 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.
package test
import (
"fmt"
"strings"
"sync"
"testing"
"time"
)
func checkFor(t *testing.T, totalWait, sleepDur time.Duration, f func() error) {
t.Helper()
timeout := time.Now().Add(totalWait)
var err error
for time.Now().Before(timeout) {
err = f()
if err == nil {
return
}
time.Sleep(sleepDur)
}
if err != nil {
t.Fatal(err.Error())
}
}
type dummyLogger struct {
sync.Mutex
msg string
}
func (d *dummyLogger) Fatalf(format string, args ...interface{}) {
d.Lock()
d.msg = fmt.Sprintf(format, args...)
d.Unlock()
}
func (d *dummyLogger) Errorf(format string, args ...interface{}) {
}
func (d *dummyLogger) Debugf(format string, args ...interface{}) {
}
func (d *dummyLogger) Tracef(format string, args ...interface{}) {
}
func (d *dummyLogger) Noticef(format string, args ...interface{}) {
}
func (d *dummyLogger) Warnf(format string, args ...interface{}) {
}
func TestStackFatal(t *testing.T) {
d := &dummyLogger{}
stackFatalf(d, "test stack %d", 1)
if !strings.HasPrefix(d.msg, "test stack 1") {
t.Fatalf("Unexpected start of stack: %v", d.msg)
}
if !strings.Contains(d.msg, "test_test.go") {
t.Fatalf("Unexpected stack: %v", d.msg)
}
}
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