add kiali client with authentication supports

Signed-off-by: Roland.Ma <rolandma@yunify.com>

pkg/simple/client/kiali/client_test.go

@@ -0,0 +1,150 @@
+/*
+Copyright 2021 KubeSphere Authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package kiali
+
+import (
+	"bytes"
+	"encoding/json"
+	"io/ioutil"
+	"net/http"
+	"net/url"
+	"reflect"
+	"testing"
+
+	"kubesphere.io/kubesphere/pkg/simple/client/cache"
+)
+
+func TestClient_Get(t *testing.T) {
+	type fields struct {
+		Strategy     Strategy
+		cache        cache.Interface
+		client       HttpClient
+		ServiceToken string
+		Host         string
+	}
+	type args struct {
+		url string
+	}
+	token, _ := json.Marshal(
+		&TokenResponse{
+			Username: "test",
+			Token:    "test",
+		},
+	)
+	tests := []struct {
+		name     string
+		fields   fields
+		args     args
+		wantResp *http.Response
+		wantErr  bool
+	}{
+		{
+			name: "Anonymous",
+			fields: fields{
+				Strategy: AuthStrategyAnonymous,
+				cache:    nil,
+				client: &MockClient{
+					requestResult: "fake",
+				},
+				ServiceToken: "token",
+				Host:         "http://kiali.istio-system.svc",
+			},
+			args: args{url: "http://kiali.istio-system.svc"},
+			wantResp: &http.Response{
+				StatusCode: 200,
+				Body:       ioutil.NopCloser(bytes.NewReader([]byte("fake"))),
+			},
+			wantErr: false,
+		},
+		{
+			name: "Token",
+			fields: fields{
+				Strategy: AuthStrategyToken,
+				cache:    nil,
+				client: &MockClient{
+					tokenResult:   token,
+					requestResult: "fake",
+				},
+				ServiceToken: "token",
+				Host:         "http://kiali.istio-system.svc",
+			},
+			args: args{url: "http://kiali.istio-system.svc"},
+			wantResp: &http.Response{
+				StatusCode: 200,
+				Body:       ioutil.NopCloser(bytes.NewReader([]byte("fake"))),
+			},
+			wantErr: false,
+		},
+		{
+			name: "Token",
+			fields: fields{
+				Strategy: AuthStrategyToken,
+				cache:    cache.NewSimpleCache(),
+				client: &MockClient{
+					tokenResult:   token,
+					requestResult: "fake",
+				},
+				ServiceToken: "token",
+				Host:         "http://kiali.istio-system.svc",
+			},
+			args: args{url: "http://kiali.istio-system.svc"},
+			wantResp: &http.Response{
+				StatusCode: 200,
+				Body:       ioutil.NopCloser(bytes.NewReader([]byte("fake"))),
+			},
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			c := NewClient(
+				tt.fields.Strategy,
+				tt.fields.cache,
+				tt.fields.client,
+				tt.fields.ServiceToken,
+				tt.fields.Host,
+			)
+			gotResp, err := c.Get(tt.args.url)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("Client.Get() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(gotResp, tt.wantResp) {
+				t.Errorf("Client.Get() = %v, want %v", gotResp, tt.wantResp)
+			}
+		})
+	}
+}
+
+type MockClient struct {
+	tokenResult   []byte
+	requestResult string
+}
+
+func (c *MockClient) Do(req *http.Request) (*http.Response, error) {
+	return &http.Response{
+		StatusCode: 200,
+		Body:       ioutil.NopCloser(bytes.NewReader([]byte(c.requestResult))),
+	}, nil
+}
+
+func (c *MockClient) PostForm(url string, data url.Values) (resp *http.Response, err error) {
+	return &http.Response{
+		StatusCode: 200,
+		Body:       ioutil.NopCloser(bytes.NewReader(c.tokenResult)),
+	}, nil
+}