func TestCancel(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
log := testLogger{t}
p, q := pipetransport.New()
if *logMessages {
p = logtransport.New(nil, p)
}
c := rpc.NewConn(p, rpc.ConnLog(log))
notify := make(chan struct{})
hanger := testcapnp.Hanger_ServerToClient(Hanger{notify: notify})
d := rpc.NewConn(q, rpc.MainInterface(hanger.Client), rpc.ConnLog(log))
defer d.Wait()
defer c.Close()
client := testcapnp.Hanger{Client: c.Bootstrap(ctx)}
subctx, subcancel := context.WithCancel(ctx)
promise := client.Hang(subctx, nil)
<-notify
subcancel()
_, err := promise.Struct()
<-notify // test will deadlock if cancel not delivered
if err != context.Canceled {
t.Errorf("promise.Get() error: %v; want %v", err, context.Canceled)
}
}
func TestIssue3(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
p, q := pipetransport.New()
if *logMessages {
p = logtransport.New(nil, p)
}
log := testLogger{t}
c := rpc.NewConn(p, rpc.ConnLog(log))
echoSrv := testcapnp.Echoer_ServerToClient(new(SideEffectEchoer))
d := rpc.NewConn(q, rpc.MainInterface(echoSrv.Client), rpc.ConnLog(log))
defer d.Wait()
defer c.Close()
client := testcapnp.Echoer{Client: c.Bootstrap(ctx)}
localCap := testcapnp.CallOrder_ServerToClient(new(CallOrder))
echo := client.Echo(ctx, func(p testcapnp.Echoer_echo_Params) error {
return p.SetCap(localCap)
})
// This should not deadlock.
_, err := echo.Struct()
if err != nil {
t.Error("Echo error:", err)
}
}
func BenchmarkPingPong(b *testing.B) {
p, q := pipetransport.New()
if *logMessages {
p = logtransport.New(nil, p)
}
log := testLogger{b}
c := rpc.NewConn(p, rpc.ConnLog(log))
d := rpc.NewConn(q, rpc.ConnLog(log), rpc.BootstrapFunc(bootstrapPingPong))
defer d.Wait()
defer c.Close()
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
client := testcapnp.PingPong{Client: c.Bootstrap(ctx)}
b.ResetTimer()
for i := 0; i < b.N; i++ {
promise := client.EchoNum(ctx, func(p testcapnp.PingPong_echoNum_Params) error {
p.SetN(42)
return nil
})
result, err := promise.Struct()
if err != nil {
b.Errorf("EchoNum(42) failed on iteration %d: %v", i, err)
break
}
if result.N() != 42 {
b.Errorf("EchoNum(42) = %d; want 42", result.N())
break
}
}
}
func TestEmbargo(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
p, q := pipetransport.New()
if *logMessages {
p = logtransport.New(nil, p)
}
log := testLogger{t}
c := rpc.NewConn(p, rpc.ConnLog(log))
echoSrv := testcapnp.Echoer_ServerToClient(new(Echoer))
d := rpc.NewConn(q, rpc.MainInterface(echoSrv.Client), rpc.ConnLog(log))
defer d.Wait()
defer c.Close()
client := testcapnp.Echoer{Client: c.Bootstrap(ctx)}
localCap := testcapnp.CallOrder_ServerToClient(new(CallOrder))
earlyCall := callseq(ctx, client.Client, 0)
echo := client.Echo(ctx, func(p testcapnp.Echoer_echo_Params) error {
return p.SetCap(localCap)
})
pipeline := echo.Cap()
call0 := callseq(ctx, pipeline.Client, 0)
call1 := callseq(ctx, pipeline.Client, 1)
_, err := earlyCall.Struct()
if err != nil {
t.Errorf("earlyCall error: %v", err)
}
call2 := callseq(ctx, pipeline.Client, 2)
_, err = echo.Struct()
if err != nil {
t.Errorf("echo.Get() error: %v", err)
}
call3 := callseq(ctx, pipeline.Client, 3)
call4 := callseq(ctx, pipeline.Client, 4)
call5 := callseq(ctx, pipeline.Client, 5)
check := func(promise testcapnp.CallOrder_getCallSequence_Results_Promise, n uint32) {
r, err := promise.Struct()
if err != nil {
t.Errorf("call%d error: %v", n, err)
}
if r.N() != n {
t.Errorf("call%d = %d; want %d", n, r.N(), n)
}
}
check(call0, 0)
check(call1, 1)
check(call2, 2)
check(call3, 3)
check(call4, 4)
check(call5, 5)
}
func newUnpairedConn(t *testing.T, options ...rpc.ConnOption) (*rpc.Conn, rpc.Transport) {
p, q := pipetransport.New()
if *logMessages {
p = logtransport.New(nil, p)
}
newopts := make([]rpc.ConnOption, len(options), len(options)+1)
copy(newopts, options)
newopts = append(newopts, rpc.ConnLog(testLogger{t}))
c := rpc.NewConn(p, newopts...)
return c, q
}
func TestPromisedCapability(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
p, q := pipetransport.New()
if *logMessages {
p = logtransport.New(nil, p)
}
log := testLogger{t}
c := rpc.NewConn(p, rpc.ConnLog(log))
delay := make(chan struct{})
echoSrv := testcapnp.Echoer_ServerToClient(&DelayEchoer{delay: delay})
d := rpc.NewConn(q, rpc.MainInterface(echoSrv.Client), rpc.ConnLog(log))
defer d.Wait()
defer c.Close()
client := testcapnp.Echoer{Client: c.Bootstrap(ctx)}
echo := client.Echo(ctx, func(p testcapnp.Echoer_echo_Params) error {
return p.SetCap(testcapnp.CallOrder{Client: client.Client})
})
pipeline := echo.Cap()
call0 := callseq(ctx, pipeline.Client, 0)
call1 := callseq(ctx, pipeline.Client, 1)
close(delay)
check := func(promise testcapnp.CallOrder_getCallSequence_Results_Promise, n uint32) {
r, err := promise.Struct()
if err != nil {
t.Errorf("call%d error: %v", n, err)
}
if r.N() != n {
t.Errorf("call%d = %d; want %d", n, r.N(), n)
}
}
check(call0, 0)
check(call1, 1)
}