package dcos
import (
"context"
"fmt"
"net/http"
"net/http/httptest"
"net/url"
"testing"
jwt "github.com/dgrijalva/jwt-go"
"github.com/influxdata/telegraf/testutil"
"github.com/stretchr/testify/require"
)
var privateKey = testutil.NewPKI("../../../testutil/pki").ReadServerKey()
func TestLogin(t *testing.T) {
ts := httptest.NewServer(http.NotFoundHandler())
defer ts.Close()
var tests = []struct {
name string
responseCode int
responseBody string
expectedError error
expectedToken string
}{
{
name: "Login successful",
responseCode: http.StatusOK,
responseBody: `{"token": "XXX.YYY.ZZZ"}`,
expectedError: nil,
expectedToken: "XXX.YYY.ZZZ",
},
{
name: "Unauthorized Error",
responseCode: http.StatusUnauthorized,
responseBody: `{"title": "x", "description": "y"}`,
expectedError: &APIError{
URL: ts.URL + "/acs/api/v1/auth/login",
StatusCode: http.StatusUnauthorized,
Title: "x",
Description: "y",
},
expectedToken: "",
},
}
key, err := jwt.ParseRSAPrivateKeyFromPEM([]byte(privateKey))
require.NoError(t, err)
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
ts.Config.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(tt.responseCode)
fmt.Fprintln(w, tt.responseBody)
})
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)
}
})
}
}
func TestGetSummary(t *testing.T) {
ts := httptest.NewServer(http.NotFoundHandler())
defer ts.Close()
var tests = []struct {
name string
responseCode int
responseBody string
expectedValue *Summary
expectedError error
}{
{
name: "No nodes",
responseCode: http.StatusOK,
responseBody: `{"cluster": "a", "slaves": []}`,
expectedValue: &Summary{Cluster: "a", Slaves: []Slave{}},
expectedError: nil,
},
{
name: "Unauthorized Error",
responseCode: http.StatusUnauthorized,
responseBody: `<html></html>`,
expectedValue: nil,
expectedError: &APIError{
URL: ts.URL + "/mesos/master/state-summary",
StatusCode: http.StatusUnauthorized,
Title: "401 Unauthorized",
},
},
{
name: "Has nodes",
responseCode: http.StatusOK,
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) {
ts.Config.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// check the path
w.WriteHeader(tt.responseCode)
fmt.Fprintln(w, tt.responseBody)
})
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)
})
}
}
func TestGetNodeMetrics(t *testing.T) {
ts := httptest.NewServer(http.NotFoundHandler())
defer ts.Close()
var tests = []struct {
name string
responseCode int
responseBody string
expectedValue *Metrics
expectedError error
}{
{
name: "Empty Body",
responseCode: http.StatusOK,
responseBody: `{}`,
expectedValue: &Metrics{},
expectedError: nil,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
ts.Config.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// check the path
w.WriteHeader(tt.responseCode)
fmt.Fprintln(w, tt.responseBody)
})
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)
})
}
}
func TestGetContainerMetrics(t *testing.T) {
ts := httptest.NewServer(http.NotFoundHandler())
defer ts.Close()
var tests = []struct {
name string
responseCode int
responseBody string
expectedValue *Metrics
expectedError error
}{
{
name: "204 No Content",
responseCode: http.StatusNoContent,
responseBody: ``,
expectedValue: &Metrics{},
expectedError: nil,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
ts.Config.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// check the path
w.WriteHeader(tt.responseCode)
fmt.Fprintln(w, tt.responseBody)
})
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)
})
}
}