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363 lines
9.5 KiB
363 lines
9.5 KiB
package http
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import (
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"bytes"
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"context"
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"crypto/tls"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"log"
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"net/http"
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"reflect"
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"strconv"
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"testing"
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"time"
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kratoserrors "github.com/go-kratos/kratos/v2/errors"
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"github.com/go-kratos/kratos/v2/middleware"
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"github.com/go-kratos/kratos/v2/registry"
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"github.com/go-kratos/kratos/v2/selector"
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)
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type mockRoundTripper struct{}
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func (rt *mockRoundTripper) RoundTrip(req *http.Request) (resp *http.Response, err error) {
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return
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}
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type mockCallOption struct {
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needErr bool
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}
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func (x *mockCallOption) before(info *callInfo) error {
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if x.needErr {
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return errors.New("option need return err")
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}
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return nil
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}
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func (x *mockCallOption) after(info *callInfo, attempt *csAttempt) {
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log.Println("run in mockCallOption.after")
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}
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func TestWithTransport(t *testing.T) {
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ov := &mockRoundTripper{}
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o := WithTransport(ov)
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co := &clientOptions{}
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o(co)
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if !reflect.DeepEqual(co.transport, ov) {
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t.Errorf("expected transport to be %v, got %v", ov, co.transport)
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}
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}
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func TestWithTimeout(t *testing.T) {
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ov := 1 * time.Second
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o := WithTimeout(ov)
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co := &clientOptions{}
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o(co)
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if !reflect.DeepEqual(co.timeout, ov) {
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t.Errorf("expected timeout to be %v, got %v", ov, co.timeout)
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}
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}
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func TestWithBlock(t *testing.T) {
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o := WithBlock()
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co := &clientOptions{}
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o(co)
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if !co.block {
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t.Errorf("expected block to be true, got %v", co.block)
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}
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}
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func TestWithBalancer(t *testing.T) {
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}
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func TestWithTLSConfig(t *testing.T) {
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ov := &tls.Config{}
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o := WithTLSConfig(ov)
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co := &clientOptions{}
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o(co)
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if !reflect.DeepEqual(co.tlsConf, ov) {
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t.Errorf("expected tls config to be %v, got %v", ov, co.tlsConf)
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}
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}
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func TestWithUserAgent(t *testing.T) {
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ov := "kratos"
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o := WithUserAgent(ov)
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co := &clientOptions{}
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o(co)
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if !reflect.DeepEqual(co.userAgent, ov) {
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t.Errorf("expected user agent to be %v, got %v", ov, co.userAgent)
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}
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}
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func TestWithMiddleware(t *testing.T) {
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o := &clientOptions{}
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v := []middleware.Middleware{
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func(middleware.Handler) middleware.Handler { return nil },
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}
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WithMiddleware(v...)(o)
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if !reflect.DeepEqual(o.middleware, v) {
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t.Errorf("expected middleware to be %v, got %v", v, o.middleware)
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}
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}
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func TestWithEndpoint(t *testing.T) {
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ov := "some-endpoint"
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o := WithEndpoint(ov)
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co := &clientOptions{}
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o(co)
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if !reflect.DeepEqual(co.endpoint, ov) {
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t.Errorf("expected endpoint to be %v, got %v", ov, co.endpoint)
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}
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}
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func TestWithRequestEncoder(t *testing.T) {
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o := &clientOptions{}
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v := func(ctx context.Context, contentType string, in interface{}) (body []byte, err error) {
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return nil, nil
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}
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WithRequestEncoder(v)(o)
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if o.encoder == nil {
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t.Errorf("expected encoder to be not nil")
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}
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}
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func TestWithResponseDecoder(t *testing.T) {
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o := &clientOptions{}
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v := func(ctx context.Context, res *http.Response, out interface{}) error { return nil }
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WithResponseDecoder(v)(o)
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if o.decoder == nil {
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t.Errorf("expected encoder to be not nil")
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}
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}
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func TestWithErrorDecoder(t *testing.T) {
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o := &clientOptions{}
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v := func(ctx context.Context, res *http.Response) error { return nil }
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WithErrorDecoder(v)(o)
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if o.errorDecoder == nil {
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t.Errorf("expected encoder to be not nil")
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}
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}
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type mockDiscovery struct{}
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func (*mockDiscovery) GetService(ctx context.Context, serviceName string) ([]*registry.ServiceInstance, error) {
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return nil, nil
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}
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func (*mockDiscovery) Watch(ctx context.Context, serviceName string) (registry.Watcher, error) {
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return &mockWatcher{}, nil
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}
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type mockWatcher struct{}
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func (m *mockWatcher) Next() ([]*registry.ServiceInstance, error) {
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instance := ®istry.ServiceInstance{
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ID: "1",
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Name: "kratos",
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Version: "v1",
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Metadata: map[string]string{},
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Endpoints: []string{fmt.Sprintf("http://127.0.0.1:9001?isSecure=%s", strconv.FormatBool(false))},
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}
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time.Sleep(time.Millisecond * 500)
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return []*registry.ServiceInstance{instance}, nil
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}
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func (*mockWatcher) Stop() error {
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return nil
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}
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func TestWithDiscovery(t *testing.T) {
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ov := &mockDiscovery{}
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o := WithDiscovery(ov)
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co := &clientOptions{}
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o(co)
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if !reflect.DeepEqual(co.discovery, ov) {
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t.Errorf("expected discovery to be %v, got %v", ov, co.discovery)
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}
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}
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func TestWithNodeFilter(t *testing.T) {
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ov := func(context.Context, []selector.Node) []selector.Node {
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return []selector.Node{&selector.DefaultNode{}}
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}
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o := WithNodeFilter(ov)
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co := &clientOptions{}
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o(co)
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for _, n := range co.nodeFilters {
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ret := n(context.Background(), nil)
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if len(ret) != 1 {
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t.Errorf("expected node length to be 1, got %v", len(ret))
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}
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}
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}
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func TestDefaultRequestEncoder(t *testing.T) {
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r, _ := http.NewRequest(http.MethodPost, "", io.NopCloser(bytes.NewBufferString(`{"a":"1", "b": 2}`)))
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r.Header.Set("Content-Type", "application/xml")
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v1 := &struct {
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A string `json:"a"`
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B int64 `json:"b"`
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}{"a", 1}
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b, err := DefaultRequestEncoder(context.TODO(), "application/json", v1)
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if err != nil {
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t.Fatal(err)
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}
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v1b := &struct {
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A string `json:"a"`
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B int64 `json:"b"`
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}{}
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err = json.Unmarshal(b, v1b)
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(v1b, v1) {
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t.Errorf("expected %v, got %v", v1, v1b)
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}
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}
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func TestDefaultResponseDecoder(t *testing.T) {
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resp1 := &http.Response{
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Header: make(http.Header),
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StatusCode: 200,
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Body: io.NopCloser(bytes.NewBufferString("{\"a\":\"1\", \"b\": 2}")),
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}
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v1 := &struct {
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A string `json:"a"`
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B int64 `json:"b"`
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}{}
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err := DefaultResponseDecoder(context.TODO(), resp1, &v1)
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if err != nil {
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t.Fatal(err)
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}
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if v1.A != "1" {
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t.Errorf("expected %v, got %v", "1", v1.A)
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}
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if v1.B != int64(2) {
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t.Errorf("expected %v, got %v", 2, v1.B)
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}
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resp2 := &http.Response{
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Header: make(http.Header),
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StatusCode: 200,
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Body: io.NopCloser(bytes.NewBufferString("{badjson}")),
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}
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v2 := &struct {
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A string `json:"a"`
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B int64 `json:"b"`
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}{}
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err = DefaultResponseDecoder(context.TODO(), resp2, &v2)
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syntaxErr := &json.SyntaxError{}
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if !errors.As(err, &syntaxErr) {
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t.Errorf("expected %v, got %v", syntaxErr, err)
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}
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}
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func TestDefaultErrorDecoder(t *testing.T) {
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for i := 200; i < 300; i++ {
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resp := &http.Response{Header: make(http.Header), StatusCode: i}
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if DefaultErrorDecoder(context.TODO(), resp) != nil {
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t.Errorf("expected no error, got %v", DefaultErrorDecoder(context.TODO(), resp))
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}
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}
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resp1 := &http.Response{
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Header: make(http.Header),
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StatusCode: 300,
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Body: io.NopCloser(bytes.NewBufferString("{\"foo\":\"bar\"}")),
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}
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if DefaultErrorDecoder(context.TODO(), resp1) == nil {
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t.Errorf("expected error, got nil")
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}
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resp2 := &http.Response{
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Header: make(http.Header),
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StatusCode: 500,
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Body: io.NopCloser(bytes.NewBufferString("{\"code\":54321, \"message\": \"hi\", \"reason\": \"FOO\"}")),
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}
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err := DefaultErrorDecoder(context.TODO(), resp2)
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if err == nil {
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t.Errorf("expected error, got nil")
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}
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if err.(*kratoserrors.Error).Code != int32(500) {
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t.Errorf("expected %v, got %v", 500, err.(*kratoserrors.Error).Code)
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}
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if err.(*kratoserrors.Error).Message != "hi" {
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t.Errorf("expected %v, got %v", "hi", err.(*kratoserrors.Error).Message)
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}
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if err.(*kratoserrors.Error).Reason != "FOO" {
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t.Errorf("expected %v, got %v", "FOO", err.(*kratoserrors.Error).Reason)
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}
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}
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func TestCodecForResponse(t *testing.T) {
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resp := &http.Response{Header: make(http.Header)}
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resp.Header.Set("Content-Type", "application/xml")
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c := CodecForResponse(resp)
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if !reflect.DeepEqual("xml", c.Name()) {
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t.Errorf("expected %v, got %v", "xml", c.Name())
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}
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}
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func TestNewClient(t *testing.T) {
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_, err := NewClient(context.Background(), WithEndpoint("127.0.0.1:8888"))
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if err != nil {
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t.Error(err)
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}
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_, err = NewClient(context.Background(), WithEndpoint("127.0.0.1:9999"), WithTLSConfig(&tls.Config{ServerName: "www.kratos.com", RootCAs: nil}))
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if err != nil {
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t.Error(err)
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}
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_, err = NewClient(context.Background(), WithDiscovery(&mockDiscovery{}), WithEndpoint("discovery:///go-kratos"))
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if err != nil {
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t.Error(err)
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}
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_, err = NewClient(context.Background(), WithDiscovery(&mockDiscovery{}), WithEndpoint("127.0.0.1:8888"))
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if err != nil {
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t.Error(err)
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}
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_, err = NewClient(context.Background(), WithEndpoint("127.0.0.1:8888:xxxxa"))
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if err == nil {
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t.Error("except a parseTarget error")
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}
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_, err = NewClient(context.Background(), WithDiscovery(&mockDiscovery{}), WithEndpoint("https://go-kratos.dev/"))
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if err == nil {
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t.Error("err should not be equal to nil")
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}
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client, err := NewClient(
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context.Background(),
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WithDiscovery(&mockDiscovery{}),
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WithEndpoint("discovery:///go-kratos"),
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WithMiddleware(func(handler middleware.Handler) middleware.Handler {
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t.Logf("handle in middleware")
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return func(ctx context.Context, req interface{}) (interface{}, error) {
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return handler(ctx, req)
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}
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}),
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)
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if err != nil {
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t.Fatal(err)
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}
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err = client.Invoke(context.Background(), http.MethodPost, "/go", map[string]string{"name": "kratos"}, nil, EmptyCallOption{}, &mockCallOption{})
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if err == nil {
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t.Error("err should not be equal to nil")
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}
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err = client.Invoke(context.Background(), http.MethodPost, "/go", map[string]string{"name": "kratos"}, nil, EmptyCallOption{}, &mockCallOption{needErr: true})
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if err == nil {
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t.Error("err should be equal to callOption err")
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}
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client.opts.encoder = func(ctx context.Context, contentType string, in interface{}) (body []byte, err error) {
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return nil, errors.New("mock test encoder error")
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}
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err = client.Invoke(context.Background(), http.MethodPost, "/go", map[string]string{"name": "kratos"}, nil, EmptyCallOption{})
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if err == nil {
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t.Error("err should be equal to encoder error")
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}
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}
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