/
test.go
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/
test.go
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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"
"runtime"
"strings"
)
// TLogger is used both in testing.B and testing.T so need to use a common interface
type TLogger interface {
Fatalf(format string, args ...interface{})
Errorf(format string, args ...interface{})
}
// StackFatalf produces a stack trace and passes it to t.Fatalf()
func StackFatalf(t TLogger, f string, args ...interface{}) {
lines := make([]string, 0, 32)
msg := fmt.Sprintf(f, args...)
lines = append(lines, msg)
// Generate the Stack of callers:
for i := 1; true; i++ {
_, file, line, ok := runtime.Caller(i)
if !ok {
break
}
msg := fmt.Sprintf("%d - %s:%d", i, file, line)
lines = append(lines, msg)
}
t.Fatalf("%s", strings.Join(lines, "\n"))
// For staticcheck SA0511...
panic("unreachable code")
}