69 lines
1.7 KiB
Go
69 lines
1.7 KiB
Go
// Copyright 2015-2025 The NATS Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package server
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import (
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"bufio"
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"fmt"
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"net"
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"testing"
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"time"
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)
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const PING_CLIENT_PORT = 11228
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var DefaultPingOptions = Options{
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Host: "127.0.0.1",
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Port: PING_CLIENT_PORT,
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NoLog: true,
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NoSigs: true,
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PingInterval: 50 * time.Millisecond,
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}
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func TestPing(t *testing.T) {
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o := DefaultPingOptions
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o.DisableShortFirstPing = true
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s := RunServer(&o)
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defer s.Shutdown()
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c, err := net.Dial("tcp", fmt.Sprintf("127.0.0.1:%d", PING_CLIENT_PORT))
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if err != nil {
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t.Fatalf("Error connecting: %v", err)
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}
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defer c.Close()
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br := bufio.NewReader(c)
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// Wait for INFO
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br.ReadLine()
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// Send CONNECT
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c.Write([]byte("CONNECT {\"verbose\":false}\r\nPING\r\n"))
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// Wait for first PONG
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br.ReadLine()
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// Wait for PING
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start := time.Now()
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for i := 0; i < 3; i++ {
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l, _, err := br.ReadLine()
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if err != nil {
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t.Fatalf("Error: %v", err)
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}
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if string(l) != "PING" {
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t.Fatalf("Expected PING, got %q", l)
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}
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if dur := time.Since(start); dur < 25*time.Millisecond || dur > 75*time.Millisecond {
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t.Fatalf("Pings duration off: %v", dur)
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}
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c.Write([]byte(pongProto))
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start = time.Now()
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}
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}
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