45 lines
1 KiB
Go
45 lines
1 KiB
Go
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package test
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import (
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"net"
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"strconv"
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"testing"
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"time"
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)
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// WaitForPortUp waits up to 7s for a port to come up and fails t if that fails
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func WaitForPortUp(t *testing.T, port int) {
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success := false
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for i := 0; i < 500; i++ {
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startTime := time.Now()
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conn, _ := net.DialTimeout("tcp", net.JoinHostPort("127.0.0.1", strconv.Itoa(port)), 10*time.Millisecond)
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if conn != nil {
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success = true
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conn.Close()
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break
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}
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if time.Since(startTime) < 10*time.Millisecond {
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time.Sleep(10*time.Millisecond - time.Since(startTime))
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}
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}
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if !success {
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t.Fatalf("Failed waiting for port %d to be UP", port)
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}
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}
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// WaitForPortDown waits up to 5s for a port to come down and fails t if that fails
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func WaitForPortDown(t *testing.T, port int) {
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success := false
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for i := 0; i < 100; i++ {
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conn, _ := net.DialTimeout("tcp", net.JoinHostPort("", strconv.Itoa(port)), 50*time.Millisecond)
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if conn == nil {
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success = true
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break
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}
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conn.Close()
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}
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if !success {
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t.Fatalf("Failed waiting for port %d to be DOWN", port)
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}
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}
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