micro-tests/wrapper/ratelimiter/juju/ratelimit_test.go
Vasiliy Tolstov 88a4c1641d reformat
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2022-01-24 22:44:39 +03:00

137 lines
3.0 KiB
Go

//go:build ignore
// +build ignore
package ratelimit
import (
"context"
"fmt"
"testing"
"time"
"github.com/juju/ratelimit"
rrouter "go.unistack.org/micro-router-register/v3"
"go.unistack.org/micro/v3/broker"
"go.unistack.org/micro/v3/client"
"go.unistack.org/micro/v3/errors"
"go.unistack.org/micro/v3/network/transport"
"go.unistack.org/micro/v3/register"
"go.unistack.org/micro/v3/router"
"go.unistack.org/micro/v3/server"
)
type (
testHandler struct{}
TestRequest struct{}
TestResponse struct{}
)
func (t *testHandler) Method(ctx context.Context, req *TestRequest, rsp *TestResponse) error {
return nil
}
func TestRateClientLimit(t *testing.T) {
// setup
r := register.NewRegister()
tr := transport.NewTransport()
testRates := []int{1, 10, 20}
for _, limit := range testRates {
b := ratelimit.NewBucketWithRate(float64(limit), int64(limit))
c := client.NewClient(
client.Router(rrouter.NewRouter(router.Register(register))),
client.Transport(tr),
// add the breaker wrapper
client.Wrap(NewClientWrapper(b, false)),
)
req := c.NewRequest(
"test.service",
"Test.Method",
&TestRequest{},
client.WithContentType("application/json"),
)
rsp := TestResponse{}
for j := 0; j < limit; j++ {
err := c.Call(context.TODO(), req, &rsp)
e := errors.Parse(err.Error())
if e.Code == 429 {
t.Errorf("Unexpected rate limit error: %v", err)
}
}
err := c.Call(context.TODO(), req, rsp)
e := errors.Parse(err.Error())
if e.Code != 429 {
t.Errorf("Expected rate limit error, got: %v", err)
}
}
}
func TestRateServerLimit(t *testing.T) {
// setup
testRates := []int{1, 5, 6, 10}
for _, limit := range testRates {
r := register.NewRegister()
b := broker.NewBroker()
tr := transport.NewTransport()
_ = b
br := ratelimit.NewBucketWithRate(float64(limit), int64(limit))
c := client.NewClient(
client.Router(rrouter.NewRouter(router.Register(register))),
client.Transport(tr))
name := fmt.Sprintf("test.service.%d", limit)
srv := server.NewServer(
server.Name(name),
// add register
server.Register(r),
server.Transport(tr),
// add broker
// server.Broker(b),
// add the breaker wrapper
server.WrapHandler(NewHandlerWrapper(br, false)),
)
type Test struct {
*testHandler
}
srv.Handle(
srv.NewHandler(&Test{new(testHandler)}),
)
if err := srv.Start(); err != nil {
t.Fatalf("Unexpected error starting server: %v", err)
}
req := c.NewRequest(name, "Test.Method", &TestRequest{}, client.WithContentType("application/json"))
rsp := TestResponse{}
for j := 0; j < limit; j++ {
if err := c.Call(context.TODO(), req, &rsp); err != nil {
t.Fatalf("Unexpected request error: %v", err)
}
}
err := c.Call(context.TODO(), req, &rsp)
if err == nil {
t.Fatalf("Expected rate limit error, got nil: rate %d, err %v", limit, err)
}
e := errors.Parse(err.Error())
if e.Code != 429 {
t.Fatalf("Expected rate limit error, got %v", err)
}
srv.Stop()
// artificial test delay
time.Sleep(500 * time.Millisecond)
}
}