2 // ========================LICENSE_START=================================
5 // Copyright (C) 2022: Nordix Foundation
7 // Licensed under the Apache License, Version 2.0 (the "License");
8 // you may not use this file except in compliance with the License.
9 // You may obtain a copy of the License at
11 // http://www.apache.org/licenses/LICENSE-2.0
13 // Unless required by applicable law or agreed to in writing, software
14 // distributed under the License is distributed on an "AS IS" BASIS,
15 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 // See the License for the specific language governing permissions and
17 // limitations under the License.
18 // ========================LICENSE_END===================================
35 log "github.com/sirupsen/logrus"
36 "github.com/stretchr/testify/require"
39 func createHttpClientMock(t *testing.T, configuration *Config, wg *sync.WaitGroup, token JwtToken) *http.Client {
40 assertions := require.New(t)
41 clientMock := NewTestClient(func(req *http.Request) *http.Response {
42 if req.URL.String() == configuration.AuthServiceUrl {
43 assertions.Equal(req.Method, "POST")
44 body := getBodyAsString(req, t)
45 assertions.Contains(body, "client_id="+configuration.ClientId)
46 assertions.Contains(body, "secret="+configuration.ClientSecret)
47 assertions.Contains(body, "grant_type="+configuration.GrantType)
48 contentType := req.Header.Get("content-type")
49 assertions.Equal("application/x-www-form-urlencoded", contentType)
51 return &http.Response{
53 Body: ioutil.NopCloser(bytes.NewBuffer(toBody(token))),
54 Header: make(http.Header), // Must be set to non-nil value or it panics
57 t.Error("Wrong call to client: ", req)
64 func TestFetchAndStoreToken(t *testing.T) {
65 log.SetLevel(log.TraceLevel)
66 assertions := require.New(t)
67 configuration := NewConfig()
68 configuration.AuthTokenOutputFileName = "/tmp/authToken" + fmt.Sprint(time.Now().UnixNano())
69 configuration.ClientId = "testClientId"
70 configuration.ClientSecret = "testClientSecret"
71 configuration.RefreshMarginSeconds = 1
72 context := NewContext(configuration)
75 os.Remove(configuration.AuthTokenOutputFileName)
78 accessToken := "Access_token" + fmt.Sprint(time.Now().UnixNano())
79 token := JwtToken{Access_token: accessToken, Expires_in: 7, Token_type: "Token_type"}
81 wg := sync.WaitGroup{}
82 wg.Add(2) // Get token two times
83 clientMock := createHttpClientMock(t, configuration, &wg, token)
85 go periodicRefreshIwtToken(clientMock, context)
87 if waitTimeout(&wg, 12*time.Second) {
88 t.Error("Not all calls to server were made")
92 tokenFileContent, err := ioutil.ReadFile(configuration.AuthTokenOutputFileName)
95 assertions.Equal(accessToken, string(tokenFileContent))
97 context.Running = false
100 func TestStart(t *testing.T) {
101 assertions := require.New(t)
102 log.SetLevel(log.TraceLevel)
104 configuration := NewConfig()
105 configuration.AuthTokenOutputFileName = "/tmp/authToken" + fmt.Sprint(time.Now().UnixNano())
106 context := NewContext(configuration)
110 time.Sleep(time.Second * 5)
112 _, err := os.Stat(configuration.AuthTokenOutputFileName)
114 assertions.True(errors.Is(err, os.ErrNotExist))
115 context.Running = false
118 func toBody(token JwtToken) []byte {
119 body, err := json.Marshal(token)
124 type RoundTripFunc func(req *http.Request) *http.Response
126 func (f RoundTripFunc) RoundTrip(req *http.Request) (*http.Response, error) {
130 //NewTestClient returns *http.Client with Transport replaced to avoid making real calls
131 func NewTestClient(fn RoundTripFunc) *http.Client {
133 Transport: RoundTripFunc(fn),
137 // waitTimeout waits for the waitgroup for the specified max timeout.
138 // Returns true if waiting timed out.
139 func waitTimeout(wg *sync.WaitGroup, timeout time.Duration) bool {
140 c := make(chan struct{})
147 return false // completed normally
148 case <-time.After(timeout):
149 return true // timed out
153 func getBodyAsString(req *http.Request, t *testing.T) string {
154 buf := new(bytes.Buffer)
155 if _, err := buf.ReadFrom(req.Body); err != nil {