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Mainflux.mainflux/ws/api/transport_test.go
2018-05-21 23:12:21 +02:00

97 lines
2.8 KiB
Go

package api_test
import (
"fmt"
"net/http"
"net/http/httptest"
"net/url"
"os"
"testing"
"github.com/gorilla/websocket"
"github.com/mainflux/mainflux"
log "github.com/mainflux/mainflux/logger"
"github.com/mainflux/mainflux/ws"
"github.com/mainflux/mainflux/ws/api"
"github.com/mainflux/mainflux/ws/mocks"
broker "github.com/nats-io/go-nats"
"github.com/stretchr/testify/assert"
)
const (
chanID = 1
token = "token"
protocol = "ws"
)
var (
msg = []byte(`[{"n":"current","t":-5,"v":1.2}]`)
channel = ws.Channel{make(chan mainflux.RawMessage), make(chan bool)}
)
func newService() ws.Service {
subs := map[uint64]ws.Channel{chanID: channel}
pubsub := mocks.NewService(subs, broker.ErrConnectionClosed)
return ws.New(pubsub)
}
func newHTTPServer(svc ws.Service, tc mainflux.ThingsServiceClient) *httptest.Server {
mux := api.MakeHandler(svc, tc, log.New(os.Stdout))
return httptest.NewServer(mux)
}
func newThingsClient() mainflux.ThingsServiceClient {
thingID := uint64(chanID)
return mocks.NewThingsClient(map[string]uint64{token: thingID})
}
func makeURL(tsURL string, chanID uint64, auth string, header bool) string {
u, _ := url.Parse(tsURL)
u.Scheme = protocol
if header {
return fmt.Sprintf("%s/channels/%d/messages", u, chanID)
}
return fmt.Sprintf("%s/channels/%d/messages?authorization=%s", u, chanID, auth)
}
func handshake(tsURL string, chanID uint64, token string, addHeader bool) (*websocket.Conn, *http.Response, error) {
header := http.Header{}
if addHeader {
header.Add("Authorization", token)
}
url := makeURL(tsURL, chanID, token, addHeader)
return websocket.DefaultDialer.Dial(url, header)
}
func TestHandshake(t *testing.T) {
thingsClient := newThingsClient()
svc := newService()
ts := newHTTPServer(svc, thingsClient)
defer ts.Close()
cases := []struct {
desc string
chanID uint64
header bool
token string
status int
msg []byte
}{
{"connect and send message", chanID, true, token, http.StatusSwitchingProtocols, msg},
{"connect to non-existent channel", 0, true, token, http.StatusSwitchingProtocols, []byte{}},
{"connect with invalid token", chanID, true, "", http.StatusForbidden, []byte{}},
{"connect and send message with token as query parameter", chanID, false, token, http.StatusSwitchingProtocols, msg},
{"connect and send message that cannot be published", chanID, true, token, http.StatusSwitchingProtocols, []byte{}},
}
for _, tc := range cases {
conn, res, err := handshake(ts.URL, tc.chanID, tc.token, tc.header)
assert.Equal(t, tc.status, res.StatusCode, fmt.Sprintf("%s: expected status code %d got %d\n", tc.desc, tc.status, res.StatusCode))
if err != nil {
continue
}
err = conn.WriteMessage(websocket.TextMessage, tc.msg)
assert.Nil(t, err, fmt.Sprintf("%s: unexpected error %s\n", tc.desc, err))
}
}