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rpc_client_test.go
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rpc_client_test.go
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package client
import (
"context"
"fmt"
"testing"
"github.com/micro/go-micro/v2/client/selector"
"github.com/micro/go-micro/v2/errors"
"github.com/micro/go-micro/v2/registry"
"github.com/micro/go-micro/v2/registry/memory"
)
func newTestRegistry() registry.Registry {
return memory.NewRegistry(memory.Services(testData))
}
func TestCallAddress(t *testing.T) {
var called bool
service := "test.service"
endpoint := "Test.Endpoint"
address := "10.1.10.1:8080"
wrap := func(cf CallFunc) CallFunc {
return func(ctx context.Context, node *registry.Node, req Request, rsp interface{}, opts CallOptions) error {
called = true
if req.Service() != service {
return fmt.Errorf("expected service: %s got %s", service, req.Service())
}
if req.Endpoint() != endpoint {
return fmt.Errorf("expected service: %s got %s", endpoint, req.Endpoint())
}
if node.Address != address {
return fmt.Errorf("expected address: %s got %s", address, node.Address)
}
// don't do the call
return nil
}
}
r := newTestRegistry()
c := NewClient(
Registry(r),
WrapCall(wrap),
)
c.Options().Selector.Init(selector.Registry(r))
req := c.NewRequest(service, endpoint, nil)
// test calling remote address
if err := c.Call(context.Background(), req, nil, WithAddress(address)); err != nil {
t.Fatal("call with address error", err)
}
if !called {
t.Fatal("wrapper not called")
}
}
func TestCallRetry(t *testing.T) {
service := "test.service"
endpoint := "Test.Endpoint"
address := "10.1.10.1"
var called int
wrap := func(cf CallFunc) CallFunc {
return func(ctx context.Context, node *registry.Node, req Request, rsp interface{}, opts CallOptions) error {
called++
if called == 1 {
return errors.InternalServerError("test.error", "retry request")
}
// don't do the call
return nil
}
}
r := newTestRegistry()
c := NewClient(
Registry(r),
WrapCall(wrap),
)
c.Options().Selector.Init(selector.Registry(r))
req := c.NewRequest(service, endpoint, nil)
// test calling remote address
if err := c.Call(context.Background(), req, nil, WithAddress(address)); err != nil {
t.Fatal("call with address error", err)
}
// num calls
if called < c.Options().CallOptions.Retries+1 {
t.Fatal("request not retried")
}
}
func TestCallWrapper(t *testing.T) {
var called bool
id := "test.1"
service := "test.service"
endpoint := "Test.Endpoint"
address := "10.1.10.1:8080"
wrap := func(cf CallFunc) CallFunc {
return func(ctx context.Context, node *registry.Node, req Request, rsp interface{}, opts CallOptions) error {
called = true
if req.Service() != service {
return fmt.Errorf("expected service: %s got %s", service, req.Service())
}
if req.Endpoint() != endpoint {
return fmt.Errorf("expected service: %s got %s", endpoint, req.Endpoint())
}
if node.Address != address {
return fmt.Errorf("expected address: %s got %s", address, node.Address)
}
// don't do the call
return nil
}
}
r := newTestRegistry()
c := NewClient(
Registry(r),
WrapCall(wrap),
)
c.Options().Selector.Init(selector.Registry(r))
r.Register(®istry.Service{
Name: service,
Version: "latest",
Nodes: []*registry.Node{
{
Id: id,
Address: address,
Metadata: map[string]string{
"protocol": "mucp",
},
},
},
})
req := c.NewRequest(service, endpoint, nil)
if err := c.Call(context.Background(), req, nil); err != nil {
t.Fatal("call wrapper error", err)
}
if !called {
t.Fatal("wrapper not called")
}
}