micro/client/rpc_client_test.go

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package client
import (
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"context"
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"fmt"
"testing"
"github.com/micro/go-micro/registry"
"github.com/micro/go-micro/registry/mock"
"github.com/micro/go-micro/selector"
)
func TestCallWrapper(t *testing.T) {
var called bool
id := "test.1"
service := "test.service"
method := "Test.Method"
host := "10.1.10.1"
port := 8080
address := "10.1.10.1:8080"
wrap := func(cf CallFunc) CallFunc {
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return func(ctx context.Context, addr string, req Request, rsp interface{}, opts CallOptions) error {
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called = true
if req.Service() != service {
return fmt.Errorf("expected service: %s got %s", service, req.Service())
}
if req.Method() != method {
return fmt.Errorf("expected service: %s got %s", method, req.Method())
}
if addr != address {
return fmt.Errorf("expected address: %s got %s", address, addr)
}
// don't do the call
return nil
}
}
r := mock.NewRegistry()
c := NewClient(
Registry(r),
WrapCall(wrap),
)
c.Options().Selector.Init(selector.Registry(r))
r.Register(&registry.Service{
Name: service,
Version: "latest",
Nodes: []*registry.Node{
&registry.Node{
Id: id,
Address: host,
Port: port,
},
},
})
req := c.NewRequest(service, method, nil)
if err := c.Call(context.Background(), req, nil); err != nil {
t.Fatal("call wrapper error", err)
}
if !called {
t.Fatal("wrapper not called")
}
}