66 lines
1.4 KiB
Go
66 lines
1.4 KiB
Go
/*
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Copyright 2018 The Kubernetes 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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package collector
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import (
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"fmt"
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"net"
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"sync/atomic"
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"testing"
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"time"
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)
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func TestNewUDPLogListener(t *testing.T) {
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var count uint64
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fn := func(message []byte) {
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t.Logf("message: %v", string(message))
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atomic.AddUint64(&count, 1)
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}
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tmpFile := fmt.Sprintf("/tmp/test-socket-%v", time.Now().Nanosecond())
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l, err := net.Listen("unix", tmpFile)
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if err != nil {
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t.Fatalf("unexpected error creating unix socket: %v", err)
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}
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if l == nil {
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t.Fatalf("expected a listener but none returned")
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}
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defer l.Close()
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go func() {
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for {
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conn, err := l.Accept()
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if err != nil {
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continue
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}
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go handleMessages(conn, fn)
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}
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}()
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conn, _ := net.Dial("unix", tmpFile)
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conn.Write([]byte("message"))
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conn.Close()
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time.Sleep(1 * time.Millisecond)
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if count != 1 {
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t.Errorf("expected only one message from the UDP listern but %v returned", count)
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}
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}
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