63 lines
1.7 KiB
Go
63 lines
1.7 KiB
Go
// Copyright 2015 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package osutil
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import (
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"os"
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"os/signal"
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"syscall"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"go.uber.org/zap/zaptest"
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)
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func init() { setDflSignal = func(syscall.Signal) {} }
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func waitSig(t *testing.T, c <-chan os.Signal, sig os.Signal) {
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select {
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case s := <-c:
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require.Equalf(t, s, sig, "signal was %v, want %v", s, sig)
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case <-time.After(1 * time.Second):
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t.Fatalf("timeout waiting for %v", sig)
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}
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}
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func TestHandleInterrupts(t *testing.T) {
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for _, sig := range []syscall.Signal{syscall.SIGINT, syscall.SIGTERM} {
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n := 1
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RegisterInterruptHandler(func() { n++ })
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RegisterInterruptHandler(func() { n *= 2 })
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c := make(chan os.Signal, 2)
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signal.Notify(c, sig)
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HandleInterrupts(zaptest.NewLogger(t))
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syscall.Kill(syscall.Getpid(), sig)
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// we should receive the signal once from our own kill and
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// a second time from HandleInterrupts
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waitSig(t, c, sig)
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waitSig(t, c, sig)
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require.NotEqualf(t, 3, n, "interrupt handlers were called in wrong order")
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require.Equalf(t, 4, n, "interrupt handlers were not called properly")
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// reset interrupt handlers
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interruptHandlers = interruptHandlers[:0]
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interruptExitMu.Unlock()
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}
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}
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