You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
kratos/transport/http/client_test.go

364 lines
9.5 KiB

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