cloudflared/vendor/zombiezen.com/go/capnproto2/rpc/embargo_test.go
2018-07-19 15:02:24 -05:00

92 lines
2.3 KiB
Go

package rpc_test
import (
"testing"
"golang.org/x/net/context"
"zombiezen.com/go/capnproto2"
"zombiezen.com/go/capnproto2/rpc"
"zombiezen.com/go/capnproto2/rpc/internal/logtransport"
"zombiezen.com/go/capnproto2/rpc/internal/pipetransport"
"zombiezen.com/go/capnproto2/rpc/internal/testcapnp"
)
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 callseq(c context.Context, client capnp.Client, n uint32) testcapnp.CallOrder_getCallSequence_Results_Promise {
return testcapnp.CallOrder{Client: client}.GetCallSequence(c, func(p testcapnp.CallOrder_getCallSequence_Params) error {
p.SetExpected(n)
return nil
})
}
type CallOrder struct {
n uint32
}
func (co *CallOrder) GetCallSequence(call testcapnp.CallOrder_getCallSequence) error {
call.Results.SetN(co.n)
co.n++
return nil
}
type Echoer struct {
CallOrder
}
func (*Echoer) Echo(call testcapnp.Echoer_echo) error {
call.Results.SetCap(call.Params.Cap())
return nil
}