micro-tests/wrapper/breaker/gobreaker/gobreaker_test.go

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// +build ignore
package gobreaker
import (
"context"
"testing"
"github.com/sony/gobreaker"
"github.com/unistack-org/micro/registry/memory"
"github.com/unistack-org/micro/v3/client"
"github.com/unistack-org/micro/v3/errors"
"github.com/unistack-org/micro/v3/router"
)
func TestBreaker(t *testing.T) {
// setup
r := memory.NewRegistry()
c := client.NewClient(
// set the selector
client.Router(rrouter.NewRouter(router.Registry(registry))),
// add the breaker wrapper
client.Wrap(NewClientWrapper()),
)
req := c.NewRequest("test.service", "Test.Method", map[string]string{
"foo": "bar",
}, client.WithContentType("application/json"))
var rsp map[string]interface{}
// Force to point of trip
for i := 0; i < 6; i++ {
c.Call(context.TODO(), req, rsp)
}
err := c.Call(context.TODO(), req, rsp)
if err == nil {
t.Error("Expecting tripped breaker, got nil error")
}
merr := err.(*errors.Error)
if merr.Code != 502 {
t.Errorf("Expecting tripped breaker, got %v", err)
}
}
func TestCustomBreaker(t *testing.T) {
// setup
r := memory.NewRegistry()
c := client.NewClient(
// set the selector
client.Router(rrouter.NewRouter(router.Registry(registry))),
// add the breaker wrapper
client.Wrap(NewCustomClientWrapper(
gobreaker.Settings{},
BreakService,
)),
)
req := c.NewRequest("test.service", "Test.Method", map[string]string{
"foo": "bar",
}, client.WithContentType("application/json"))
var rsp map[string]interface{}
// Force to point of trip
for i := 0; i < 6; i++ {
c.Call(context.TODO(), req, rsp)
}
err := c.Call(context.TODO(), req, rsp)
if err == nil {
t.Error("Expecting tripped breaker, got nil error")
}
merr := err.(*errors.Error)
if merr.Code != 502 {
t.Errorf("Expecting tripped breaker, got %v", err)
}
}