package dcos import ( "context" "fmt" "net/http" "net/http/httptest" "net/url" "testing" jwt "github.com/dgrijalva/jwt-go" "github.com/stretchr/testify/require" ) const ( privateKey = `-----BEGIN RSA PRIVATE KEY----- MIICXQIBAAKBgQCwlGyzVp9cqtwiNCgCnaR0kilPZhr4xFBcnXxvQ8/uzOHaWKxj XWR38cKR3gPh5+4iSmzMdo3HDJM5ks6imXGnp+LPOA5iNewnpLNs7UxA2arwKH/6 4qIaAXAtf5jE46wZIMgc2EW9wGL3dxC0JY8EXPpBFB/3J8gADkorFR8lwwIDAQAB AoGBAJaFHxfMmjHK77U0UnrQWFSKFy64cftmlL4t/Nl3q7L68PdIKULWZIMeEWZ4 I0UZiFOwr4em83oejQ1ByGSwekEuiWaKUI85IaHfcbt+ogp9hY/XbOEo56OPQUAd bEZv1JqJOqta9Ug1/E1P9LjEEyZ5F5ubx7813rxAE31qKtKJAkEA1zaMlCWIr+Rj hGvzv5rlHH3wbOB4kQFXO4nqj3J/ttzR5QiJW24STMDcbNngFlVcDVju56LrNTiD dPh9qvl7nwJBANILguR4u33OMksEZTYB7nQZSurqXsq6382zH7pTl29ANQTROHaM PKC8dnDWq8RGTqKuvWblIzzGIKqIMovZo10CQC96T0UXirITFolOL3XjvAuvFO1Q EAkdXJs77805m0dCK+P1IChVfiAEpBw3bKJArpAbQIlFfdI953JUp5SieU0CQEub BSSEKMjh/cxu6peEHnb/262vayuCFKkQPu1sxWewLuVrAe36EKCy9dcsDmv5+rgo Odjdxc9Madm4aKlaT6kCQQCpAgeblDrrxTrNQ+Typzo37PlnQrvI+0EceAUuJ72G P0a+YZUeHNRqT2pPN9lMTAZGGi3CtcF2XScbLNEBeXge -----END RSA PRIVATE KEY-----` ) func TestLogin(t *testing.T) { var tests = []struct { name string responseCode int responseBody string expectedError error expectedToken string }{ { name: "Login successful", responseCode: 200, responseBody: `{"token": "XXX.YYY.ZZZ"}`, expectedError: nil, expectedToken: "XXX.YYY.ZZZ", }, { name: "Unauthorized Error", responseCode: http.StatusUnauthorized, responseBody: `{"title": "x", "description": "y"}`, expectedError: &APIError{http.StatusUnauthorized, "x", "y"}, expectedToken: "", }, } key, err := jwt.ParseRSAPrivateKeyFromPEM([]byte(privateKey)) require.NoError(t, err) for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { w.WriteHeader(tt.responseCode) fmt.Fprintln(w, tt.responseBody) }) ts := httptest.NewServer(handler) u, err := url.Parse(ts.URL) require.NoError(t, err) ctx := context.Background() sa := &ServiceAccount{ AccountID: "telegraf", PrivateKey: key, } client := NewClusterClient(u, defaultResponseTimeout, 1, nil) auth, err := client.Login(ctx, sa) require.Equal(t, tt.expectedError, err) if tt.expectedToken != "" { require.Equal(t, tt.expectedToken, auth.Text) } else { require.Nil(t, auth) } ts.Close() }) } } func TestGetSummary(t *testing.T) { var tests = []struct { name string responseCode int responseBody string expectedValue *Summary expectedError error }{ { name: "No nodes", responseCode: 200, responseBody: `{"cluster": "a", "slaves": []}`, expectedValue: &Summary{Cluster: "a", Slaves: []Slave{}}, expectedError: nil, }, { name: "Unauthorized Error", responseCode: http.StatusUnauthorized, responseBody: ``, expectedValue: nil, expectedError: &APIError{StatusCode: http.StatusUnauthorized, Title: "401 Unauthorized"}, }, { name: "Has nodes", responseCode: 200, responseBody: `{"cluster": "a", "slaves": [{"id": "a"}, {"id": "b"}]}`, expectedValue: &Summary{ Cluster: "a", Slaves: []Slave{ Slave{ID: "a"}, Slave{ID: "b"}, }, }, expectedError: nil, }, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { // check the path w.WriteHeader(tt.responseCode) fmt.Fprintln(w, tt.responseBody) }) ts := httptest.NewServer(handler) u, err := url.Parse(ts.URL) require.NoError(t, err) ctx := context.Background() client := NewClusterClient(u, defaultResponseTimeout, 1, nil) summary, err := client.GetSummary(ctx) require.Equal(t, tt.expectedError, err) require.Equal(t, tt.expectedValue, summary) ts.Close() }) } } func TestGetNodeMetrics(t *testing.T) { var tests = []struct { name string responseCode int responseBody string expectedValue *Metrics expectedError error }{ { name: "Empty Body", responseCode: 200, responseBody: `{}`, expectedValue: &Metrics{}, expectedError: nil, }, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { // check the path w.WriteHeader(tt.responseCode) fmt.Fprintln(w, tt.responseBody) }) ts := httptest.NewServer(handler) u, err := url.Parse(ts.URL) require.NoError(t, err) ctx := context.Background() client := NewClusterClient(u, defaultResponseTimeout, 1, nil) m, err := client.GetNodeMetrics(ctx, "foo") require.Equal(t, tt.expectedError, err) require.Equal(t, tt.expectedValue, m) ts.Close() }) } } func TestGetContainerMetrics(t *testing.T) { var tests = []struct { name string responseCode int responseBody string expectedValue *Metrics expectedError error }{ { name: "204 No Contents", responseCode: 204, responseBody: ``, expectedValue: &Metrics{}, expectedError: nil, }, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { // check the path w.WriteHeader(tt.responseCode) fmt.Fprintln(w, tt.responseBody) }) ts := httptest.NewServer(handler) u, err := url.Parse(ts.URL) require.NoError(t, err) ctx := context.Background() client := NewClusterClient(u, defaultResponseTimeout, 1, nil) m, err := client.GetContainerMetrics(ctx, "foo", "bar") require.Equal(t, tt.expectedError, err) require.Equal(t, tt.expectedValue, m) ts.Close() }) } }