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kratos/transport/http/resolver_test.go

115 lines
3.2 KiB

package http
import (
"context"
"errors"
"fmt"
"reflect"
"strconv"
"testing"
"time"
"github.com/go-kratos/kratos/v2/registry"
"github.com/go-kratos/kratos/v2/selector"
)
func TestParseTarget(t *testing.T) {
target, err := parseTarget("localhost:8000", true)
if err != nil {
t.Errorf("expect %v, got %v", nil, err)
}
if !reflect.DeepEqual(&Target{Scheme: "http", Authority: "localhost:8000"}, target) {
t.Errorf("expect %v, got %v", &Target{Scheme: "http", Authority: "localhost:8000"}, target)
}
target, err = parseTarget("discovery:///demo", true)
if err != nil {
t.Errorf("expect %v, got %v", nil, err)
}
if !reflect.DeepEqual(&Target{Scheme: "discovery", Authority: "", Endpoint: "demo"}, target) {
t.Errorf("expect %v, got %v", &Target{Scheme: "discovery", Authority: "", Endpoint: "demo"}, target)
}
target, err = parseTarget("127.0.0.1:8000", true)
if err != nil {
t.Errorf("expect %v, got %v", nil, err)
}
if !reflect.DeepEqual(&Target{Scheme: "http", Authority: "127.0.0.1:8000"}, target) {
t.Errorf("expect %v, got %v", &Target{Scheme: "http", Authority: "127.0.0.1:8000"}, target)
}
target, err = parseTarget("https://127.0.0.1:8000", false)
if err != nil {
t.Errorf("expect %v, got %v", nil, err)
}
if !reflect.DeepEqual(&Target{Scheme: "https", Authority: "127.0.0.1:8000"}, target) {
t.Errorf("expect %v, got %v", &Target{Scheme: "https", Authority: "127.0.0.1:8000"}, target)
}
target, err = parseTarget("127.0.0.1:8000", false)
if err != nil {
t.Errorf("expect %v, got %v", nil, err)
}
if !reflect.DeepEqual(&Target{Scheme: "https", Authority: "127.0.0.1:8000"}, target) {
t.Errorf("expect %v, got %v", &Target{Scheme: "https", Authority: "127.0.0.1:8000"}, target)
}
}
type mockRebalancer struct{}
func (m *mockRebalancer) Apply(nodes []selector.Node) {}
type mockDiscoveries struct {
isSecure bool
}
func (d *mockDiscoveries) GetService(ctx context.Context, serviceName string) ([]*registry.ServiceInstance, error) {
return nil, nil
}
func (d *mockDiscoveries) Watch(ctx context.Context, serviceName string) (registry.Watcher, error) {
return &mockWatch{isSecure: d.isSecure}, nil
}
type mockWatch struct {
isSecure bool
count int
}
func (m *mockWatch) Next() ([]*registry.ServiceInstance, error) {
m.count++
if m.count == 1 {
return nil, errors.New("mock test error")
}
instance := &registry.ServiceInstance{
ID: "1",
Name: "kratos",
Version: "v1",
Metadata: map[string]string{},
Endpoints: []string{fmt.Sprintf("http://127.0.0.1:9001?isSecure=%s", strconv.FormatBool(m.isSecure))},
}
if m.count > 3 {
time.Sleep(time.Millisecond * 500)
}
return []*registry.ServiceInstance{instance}, nil
}
func (m *mockWatch) Stop() error {
return nil
}
func TestResolver(t *testing.T) {
ta := &Target{
Scheme: "http",
Authority: "",
Endpoint: "discovery://helloworld",
}
_, err := newResolver(context.Background(), &mockDiscoveries{true}, ta, &mockRebalancer{}, false, false)
if err != nil {
t.Errorf("expect %v, got %v", nil, err)
}
_, err = newResolver(context.Background(), &mockDiscoveries{false}, ta, &mockRebalancer{}, true, true)
if err != nil {
t.Errorf("expect %v, got %v", nil, err)
}
}