1 package dbus
2
3 import (
4 "fmt"
5 "os"
6 "os/exec"
7 "strconv"
8 "testing"
9 )
10
11
12
13
14 var mockedExitStatus = 0
15 var mockedStdout string
16
17 func fakeExecCommand(command string, args ...string) *exec.Cmd {
18 cs := []string{"-test.run=TestExecCommandHelper", "--", command}
19 cs = append(cs, args...)
20 cmd := exec.Command(os.Args[0], cs...)
21 es := strconv.Itoa(mockedExitStatus)
22 cmd.Env = []string{"GO_WANT_HELPER_PROCESS=1",
23 "STDOUT=" + mockedStdout,
24 "EXIT_STATUS=" + es}
25 return cmd
26 }
27
28 func TestExecCommandHelper(t *testing.T) {
29 if os.Getenv("GO_WANT_HELPER_PROCESS") != "1" {
30 return
31 }
32
33 fmt.Fprintf(os.Stdout, os.Getenv("STDOUT"))
34 i, _ := strconv.Atoi(os.Getenv("EXIT_STATUS"))
35 os.Exit(i)
36 }
37
38 func TestDbusLaunchMultilineResponse(t *testing.T) {
39 mockedExitStatus = 0
40 mockedStdout = `process 7616: D-Bus library appears to be incorrectly set up; failed to read machine uuid: UUID file '/etc/machine-id' should contain a hex string of length 32, not length 0, with no other text
41 See the manual page for dbus-uuidgen to correct this issue.
42 DBUS_SESSION_BUS_ADDRESS=unix:abstract=/tmp/dbus-0SO9YZUBGA,guid=ac22f2f3b9d228496b4d4b935cae3417
43 DBUS_SESSION_BUS_PID=7620
44 DBUS_SESSION_BUS_WINDOWID=16777217`
45 execCommand = fakeExecCommand
46 defer func() { execCommand = exec.Command }()
47 expOut := ""
48 expErr := "dbus: couldn't determine address of session bus"
49
50 out, err := getSessionBusPlatformAddress()
51 if out != expOut {
52 t.Errorf("Expected %q, got %q", expOut, out)
53 }
54 if err == nil {
55 t.Error("Excepted error, got none")
56 } else {
57 if err.Error() != expErr {
58 t.Errorf("Expected error to be %q, got %q", expErr, err.Error())
59 }
60 }
61 }
62
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