112 lines
3.7 KiB
Go
112 lines
3.7 KiB
Go
// Copyright (c) Mainflux
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// SPDX-License-Identifier: Apache-2.0
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package api_test
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import (
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"fmt"
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"net/http"
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"net/http/httptest"
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"net/url"
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"os"
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"testing"
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"github.com/gorilla/websocket"
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"github.com/mainflux/mainflux"
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log "github.com/mainflux/mainflux/logger"
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"github.com/mainflux/mainflux/ws"
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"github.com/mainflux/mainflux/ws/api"
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"github.com/mainflux/mainflux/ws/mocks"
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broker "github.com/nats-io/nats.go"
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"github.com/stretchr/testify/assert"
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)
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const (
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id = "1"
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token = "token"
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protocol = "ws"
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)
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var (
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msg = []byte(`[{"n":"current","t":-5,"v":1.2}]`)
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channel = ws.NewChannel()
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)
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func newService() ws.Service {
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subs := map[string]*ws.Channel{id: channel}
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pubsub := mocks.NewService(subs, broker.ErrConnectionClosed)
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return ws.New(pubsub)
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}
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func newHTTPServer(svc ws.Service, tc mainflux.ThingsServiceClient) *httptest.Server {
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logger, _ := log.New(os.Stdout, log.Info.String())
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mux := api.MakeHandler(svc, tc, logger)
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return httptest.NewServer(mux)
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}
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func newThingsClient() mainflux.ThingsServiceClient {
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return mocks.NewThingsClient(map[string]string{token: id})
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}
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func makeURL(tsURL, chanID, subtopic, auth string, header bool) string {
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u, _ := url.Parse(tsURL)
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u.Scheme = protocol
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subtopicPart := ""
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if subtopic != "" {
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subtopicPart = fmt.Sprintf("/%s", subtopic)
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}
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if header {
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return fmt.Sprintf("%s/channels/%s/messages%s", u, chanID, subtopicPart)
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}
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return fmt.Sprintf("%s/channels/%s/messages%s?authorization=%s", u, chanID, subtopicPart, auth)
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}
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func handshake(tsURL, chanID, subtopic, token string, addHeader bool) (*websocket.Conn, *http.Response, error) {
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header := http.Header{}
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if addHeader {
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header.Add("Authorization", token)
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}
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url := makeURL(tsURL, chanID, subtopic, token, addHeader)
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return websocket.DefaultDialer.Dial(url, header)
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}
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func TestHandshake(t *testing.T) {
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thingsClient := newThingsClient()
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svc := newService()
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ts := newHTTPServer(svc, thingsClient)
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defer ts.Close()
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cases := []struct {
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desc string
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chanID string
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subtopic string
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header bool
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token string
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status int
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msg []byte
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}{
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{"connect and send message", id, "", true, token, http.StatusSwitchingProtocols, msg},
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{"connect to non-existent channel", "0", "", true, token, http.StatusSwitchingProtocols, []byte{}},
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{"connect to invalid channel id", "", "", true, token, http.StatusBadRequest, []byte{}},
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{"connect with empty token", id, "", true, "", http.StatusForbidden, []byte{}},
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{"connect with invalid token", id, "", true, "invalid", http.StatusForbidden, []byte{}},
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{"connect unable to authorize", id, "", true, mocks.ServiceErrToken, http.StatusServiceUnavailable, []byte{}},
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{"connect and send message with token as query parameter", id, "", false, token, http.StatusSwitchingProtocols, msg},
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{"connect and send message that cannot be published", id, "", true, token, http.StatusSwitchingProtocols, []byte{}},
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{"connect and send message to subtopic", id, "subtopic", true, token, http.StatusSwitchingProtocols, msg},
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{"connect and send message to subtopic with invalid name", id, "sub/a*b/topic", true, token, http.StatusBadRequest, msg},
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{"connect and send message to nested subtopic", id, "subtopic/nested", true, token, http.StatusSwitchingProtocols, msg},
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{"connect and send message to all subtopics", id, ">", true, token, http.StatusSwitchingProtocols, msg},
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}
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for _, tc := range cases {
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conn, res, err := handshake(ts.URL, tc.chanID, tc.subtopic, tc.token, tc.header)
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assert.Equal(t, tc.status, res.StatusCode, fmt.Sprintf("%s: expected status code %d got %d\n", tc.desc, tc.status, res.StatusCode))
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if err != nil {
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continue
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}
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err = conn.WriteMessage(websocket.TextMessage, tc.msg)
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assert.Nil(t, err, fmt.Sprintf("%s: unexpected error %s\n", tc.desc, err))
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}
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}
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