142 lines
3.6 KiB
Go
142 lines
3.6 KiB
Go
package main
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import (
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"net/http"
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"net/http/httptest"
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"strings"
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"testing"
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"time"
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"github.com/gorilla/websocket"
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)
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func TestWSClientKeepaliveSendsPing(t *testing.T) {
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ping := make(chan struct{}, 1)
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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conn, err := (&websocket.Upgrader{}).Upgrade(w, r, nil)
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if err != nil {
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return
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}
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defer conn.Close()
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conn.SetPingHandler(func(string) error {
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select {
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case ping <- struct{}{}:
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default:
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}
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return conn.WriteControl(websocket.PongMessage, nil, time.Now().Add(time.Second))
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})
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for {
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if _, _, err = conn.ReadMessage(); err != nil {
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return
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}
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}
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}))
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defer server.Close()
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conn, _, err := websocket.DefaultDialer.Dial("ws"+strings.TrimPrefix(server.URL, "http"), nil)
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if err != nil {
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t.Fatal(err)
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}
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client := &WSClient{conn: conn, waits: make(map[string]chan ctrlPacket), done: make(chan struct{})}
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go client.readLoop()
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client.startKeepalive(10 * time.Millisecond)
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defer client.Close()
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select {
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case <-ping:
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case <-time.After(time.Second):
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t.Fatal("websocket keepalive ping was not received")
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}
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}
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func TestWSClientReadLoopClosesConnectionAfterDecodeError(t *testing.T) {
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serverSawClose := make(chan struct{}, 1)
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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conn, err := (&websocket.Upgrader{}).Upgrade(w, r, nil)
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if err != nil {
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return
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}
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defer conn.Close()
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if err = conn.WriteMessage(websocket.TextMessage, []byte("{")); err != nil {
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return
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}
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if _, _, err = conn.ReadMessage(); err != nil {
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serverSawClose <- struct{}{}
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}
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}))
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defer server.Close()
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conn, _, err := websocket.DefaultDialer.Dial("ws"+strings.TrimPrefix(server.URL, "http"), nil)
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if err != nil {
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t.Fatal(err)
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}
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client := &WSClient{conn: conn, waits: make(map[string]chan ctrlPacket), done: make(chan struct{})}
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go client.readLoop()
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select {
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case <-client.done:
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case <-time.After(time.Second):
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t.Fatal("read loop did not exit after malformed frame")
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}
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select {
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case <-serverSawClose:
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case <-time.After(time.Second):
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t.Fatal("read loop exited without closing the underlying connection")
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}
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}
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func TestWSClientDataCallbackDoesNotBlockPong(t *testing.T) {
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pong := make(chan struct{}, 1)
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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conn, err := (&websocket.Upgrader{}).Upgrade(w, r, nil)
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if err != nil {
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return
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}
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defer conn.Close()
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conn.SetPongHandler(func(string) error {
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select {
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case pong <- struct{}{}:
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default:
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}
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return nil
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})
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if err = conn.WriteJSON(map[string]any{"data": map[string]any{
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"topic": "grp-test", "seq": 1, "head": map[string]any{}, "content": map[string]any{},
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}}); err != nil {
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return
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}
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if err = conn.WriteControl(websocket.PingMessage, nil, time.Now().Add(time.Second)); err != nil {
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return
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}
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conn.SetReadDeadline(time.Now().Add(time.Second))
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for {
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if _, _, readErr := conn.ReadMessage(); readErr != nil {
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return
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}
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}
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}))
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defer server.Close()
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conn, _, err := websocket.DefaultDialer.Dial("ws"+strings.TrimPrefix(server.URL, "http"), nil)
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if err != nil {
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t.Fatal(err)
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}
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blocked := make(chan struct{})
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client := &WSClient{
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conn: conn, waits: make(map[string]chan ctrlPacket), done: make(chan struct{}),
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onData: func(AccountRecord, dataPacket) { <-blocked },
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}
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client.startDataProcessor()
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go client.readLoop()
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defer func() {
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close(blocked)
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client.Close()
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}()
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select {
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case <-pong:
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case <-time.After(2 * time.Second):
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t.Fatal("pong was blocked by the data callback")
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}
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}
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