micro/service/grpc/grpc_test.go

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package grpc
import (
"context"
"crypto/tls"
"sync"
"testing"
"time"
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"github.com/micro/go-micro/registry/memory"
"github.com/micro/go-micro/service"
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hello "github.com/micro/go-micro/service/grpc/proto"
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mls "github.com/micro/go-micro/util/tls"
)
type testHandler struct{}
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func (t *testHandler) Call(ctx context.Context, req *hello.Request, rsp *hello.Response) error {
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rsp.Msg = "Hello " + req.Name
return nil
}
func TestGRPCService(t *testing.T) {
var wg sync.WaitGroup
wg.Add(1)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
// create memory registry
r := memory.NewRegistry()
// create GRPC service
service := NewService(
service.Name("test.service"),
service.Registry(r),
service.AfterStart(func() error {
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wg.Done()
return nil
}),
service.Context(ctx),
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)
// register test handler
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hello.RegisterTestHandler(service.Server(), &testHandler{})
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// run service
errCh := make(chan error, 1)
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go func() {
defer close(errCh)
errCh <- service.Run()
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}()
// wait for start
wg.Wait()
// create client
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test := hello.NewTestService("test.service", service.Client())
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// call service
ctx2, cancel2 := context.WithTimeout(context.Background(), time.Duration(time.Second))
defer cancel2()
rsp, err := test.Call(ctx2, &hello.Request{
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Name: "John",
})
if err != nil {
t.Fatal(err)
}
// check server
select {
case err := <-errCh:
t.Fatal(err)
case <-time.After(time.Second):
break
}
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// check message
if rsp.Msg != "Hello John" {
t.Fatalf("unexpected response %s", rsp.Msg)
}
}
func TestGRPCTLSService(t *testing.T) {
var wg sync.WaitGroup
wg.Add(1)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
// create memory registry
r := memory.NewRegistry()
// create cert
cert, err := mls.Certificate("test.service")
if err != nil {
t.Fatal(err)
}
config := &tls.Config{
Certificates: []tls.Certificate{cert},
InsecureSkipVerify: true,
}
// create GRPC service
service := NewService(
service.Name("test.service"),
service.Registry(r),
service.AfterStart(func() error {
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wg.Done()
return nil
}),
service.Context(ctx),
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// set TLS config
WithTLS(config),
)
// register test handler
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hello.RegisterTestHandler(service.Server(), &testHandler{})
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// run service
errCh := make(chan error, 1)
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go func() {
defer close(errCh)
errCh <- service.Run()
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}()
// wait for start
wg.Wait()
// create client
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test := hello.NewTestService("test.service", service.Client())
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// call service
ctx2, cancel2 := context.WithTimeout(context.Background(), time.Duration(time.Second))
defer cancel2()
rsp, err := test.Call(ctx2, &hello.Request{
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Name: "John",
})
if err != nil {
t.Fatal(err)
}
// check server
select {
case err := <-errCh:
t.Fatal(err)
case <-time.After(time.Second):
break
}
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// check message
if rsp.Msg != "Hello John" {
t.Fatalf("unexpected response %s", rsp.Msg)
}
}