micro-tests/wrapper/breaker/hystrix/hystrix_test.go

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// +build ignore
package hystrix
import (
"context"
"testing"
"github.com/afex/hystrix-go/hystrix"
rrouter "github.com/unistack-org/micro-router-registry"
"github.com/unistack-org/micro/registry/memory"
"github.com/unistack-org/micro/v3/client"
"github.com/unistack-org/micro/v3/router"
)
func TestBreaker(t *testing.T) {
// setup
registry := 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 < (hystrix.DefaultVolumeThreshold * 3); 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")
}
if err.Error() != "hystrix: circuit open" {
t.Errorf("Expecting tripped breaker, got %v", err)
}
}