139 lines
2.8 KiB
Go
139 lines
2.8 KiB
Go
package conn
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import (
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"bytes"
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"fmt"
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"runtime"
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"sync"
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"testing"
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"time"
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travis "github.com/ipfs/go-libp2p/testutil/ci/travis"
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msgio "gx/ipfs/QmRQhVisS8dmPbjBUthVkenn81pBxrx1GxE281csJhm2vL/go-msgio"
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context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"
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)
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func msgioWrap(c Conn) msgio.ReadWriter {
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return msgio.NewReadWriter(c)
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}
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func testOneSendRecv(t *testing.T, c1, c2 Conn) {
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mc1 := msgioWrap(c1)
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mc2 := msgioWrap(c2)
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log.Debugf("testOneSendRecv from %s to %s", c1.LocalPeer(), c2.LocalPeer())
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m1 := []byte("hello")
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if err := mc1.WriteMsg(m1); err != nil {
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t.Fatal(err)
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}
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m2, err := mc2.ReadMsg()
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if err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal(m1, m2) {
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t.Fatal("failed to send: %s %s", m1, m2)
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}
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}
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func testNotOneSendRecv(t *testing.T, c1, c2 Conn) {
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mc1 := msgioWrap(c1)
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mc2 := msgioWrap(c2)
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m1 := []byte("hello")
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if err := mc1.WriteMsg(m1); err == nil {
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t.Fatal("write should have failed", err)
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}
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_, err := mc2.ReadMsg()
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if err == nil {
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t.Fatal("read should have failed", err)
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}
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}
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func TestClose(t *testing.T) {
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// t.Skip("Skipping in favor of another test")
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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c1, c2, _, _ := setupSingleConn(t, ctx)
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testOneSendRecv(t, c1, c2)
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testOneSendRecv(t, c2, c1)
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c1.Close()
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testNotOneSendRecv(t, c1, c2)
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c2.Close()
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testNotOneSendRecv(t, c2, c1)
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testNotOneSendRecv(t, c1, c2)
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}
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func TestCloseLeak(t *testing.T) {
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// t.Skip("Skipping in favor of another test")
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if testing.Short() {
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t.SkipNow()
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}
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if travis.IsRunning() {
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t.Skip("this doesn't work well on travis")
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}
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var wg sync.WaitGroup
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runPair := func(num int) {
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ctx, cancel := context.WithCancel(context.Background())
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c1, c2, _, _ := setupSingleConn(t, ctx)
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mc1 := msgioWrap(c1)
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mc2 := msgioWrap(c2)
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for i := 0; i < num; i++ {
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b1 := []byte(fmt.Sprintf("beep%d", i))
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mc1.WriteMsg(b1)
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b2, err := mc2.ReadMsg()
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if err != nil {
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panic(err)
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}
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if !bytes.Equal(b1, b2) {
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panic(fmt.Errorf("bytes not equal: %s != %s", b1, b2))
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}
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b2 = []byte(fmt.Sprintf("boop%d", i))
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mc2.WriteMsg(b2)
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b1, err = mc1.ReadMsg()
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if err != nil {
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panic(err)
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}
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if !bytes.Equal(b1, b2) {
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panic(fmt.Errorf("bytes not equal: %s != %s", b1, b2))
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}
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<-time.After(time.Microsecond * 5)
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}
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c1.Close()
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c2.Close()
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cancel() // close the listener
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wg.Done()
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}
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var cons = 5
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var msgs = 50
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log.Debugf("Running %d connections * %d msgs.\n", cons, msgs)
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for i := 0; i < cons; i++ {
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wg.Add(1)
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go runPair(msgs)
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}
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log.Debugf("Waiting...\n")
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wg.Wait()
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// done!
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time.Sleep(time.Millisecond * 150)
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ngr := runtime.NumGoroutine()
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if ngr > 25 {
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// note, this is really innacurate
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//panic("uncomment me to debug")
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t.Fatal("leaking goroutines:", ngr)
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}
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}
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