mirror of
https://github.com/golang/go
synced 2024-11-05 18:46:11 -07:00
dd5f9d1033
This adds a package for dealing with stacks in tests. The only function at this time is NoLeak which verifies that a test does not leak any goroutines, and prints a stack summary if it does. Change-Id: I284b846f422334b745bef0e96d84138295120a62 Reviewed-on: https://go-review.googlesource.com/c/tools/+/232681 Run-TryBot: Ian Cottrell <iancottrell@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Robert Findley <rfindley@google.com>
63 lines
1.3 KiB
Go
63 lines
1.3 KiB
Go
// Copyright 2020 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package jsonrpc2
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import (
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"context"
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"net"
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"sync"
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"testing"
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"time"
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"golang.org/x/tools/internal/stack/stacktest"
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)
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func TestIdleTimeout(t *testing.T) {
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stacktest.NoLeak(t)
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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ln, err := net.Listen("tcp", "localhost:0")
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if err != nil {
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t.Fatal(err)
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}
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defer ln.Close()
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connect := func() net.Conn {
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conn, err := net.DialTimeout("tcp", ln.Addr().String(), 5*time.Second)
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if err != nil {
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panic(err)
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}
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return conn
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}
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server := HandlerServer(MethodNotFound)
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// connTimer := &fakeTimer{c: make(chan time.Time, 1)}
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var (
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runErr error
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wg sync.WaitGroup
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)
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wg.Add(1)
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go func() {
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defer wg.Done()
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runErr = Serve(ctx, ln, server, 100*time.Millisecond)
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}()
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// Exercise some connection/disconnection patterns, and then assert that when
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// our timer fires, the server exits.
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conn1 := connect()
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conn2 := connect()
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conn1.Close()
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conn2.Close()
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conn3 := connect()
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conn3.Close()
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wg.Wait()
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if runErr != ErrIdleTimeout {
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t.Errorf("run() returned error %v, want %v", runErr, ErrIdleTimeout)
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}
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}
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