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// Copyright 2016 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package daemon
import (
"fmt"
"io/ioutil"
"net"
"os"
"testing"
)
// TestSdNotify
func TestSdNotify(t *testing.T) {
testDir, e := ioutil.TempDir("/tmp/", "test-")
if e != nil {
panic(e)
}
defer os.RemoveAll(testDir)
notifySocket := testDir + "/notify-socket.sock"
laddr := net.UnixAddr{
Name: notifySocket,
Net: "unixgram",
}
_, e = net.ListenUnixgram("unixgram", &laddr)
if e != nil {
panic(e)
}
tests := []struct {
unsetEnv bool
envSocket string
wsent bool
werr bool
}{
// (true, nil) - notification supported, data has been sent
{false, notifySocket, true, false},
// (false, err) - notification supported, but failure happened
{true, testDir + "/missing.sock", false, true},
// (false, nil) - notification not supported
{true, "", false, false},
}
for i, tt := range tests {
must(os.Unsetenv("NOTIFY_SOCKET"))
if tt.envSocket != "" {
must(os.Setenv("NOTIFY_SOCKET", tt.envSocket))
}
sent, err := SdNotify(tt.unsetEnv, fmt.Sprintf("TestSdNotify test message #%d", i))
if sent != tt.wsent {
t.Errorf("#%d: expected send result %t, got %t", i, tt.wsent, sent)
}
if tt.werr && err == nil {
t.Errorf("#%d: want non-nil err, got nil", i)
} else if !tt.werr && err != nil {
t.Errorf("#%d: want nil err, got %v", i, err)
}
if tt.unsetEnv && tt.envSocket != "" && os.Getenv("NOTIFY_SOCKET") != "" {
t.Errorf("#%d: environment variable not cleaned up", i)
}
}
}
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