FilesExpand file tree

 docs

/

docker_cli_attach_test.go

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

136 lines (107 loc) · 2.67 KB

 docs

/

docker_cli_attach_test.go

Copy path

Top

File metadata and controls

• Code
• Blame

136 lines (107 loc) · 2.67 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

package main

import (

"io"

"os/exec"

"strings"

"sync"

"testing"

"time"

)

const attachWait = 5 * time.Second

func TestAttachMultipleAndRestart(t *testing.T) {

defer deleteAllContainers()

endGroup := &sync.WaitGroup{}

startGroup := &sync.WaitGroup{}

endGroup.Add(3)

startGroup.Add(3)

if err := waitForContainer("attacher", "-d", "busybox", "/bin/sh", "-c", "while true; do sleep 1; echo hello; done"); err != nil {

t.Fatal(err)

}

startDone := make(chan struct{})

endDone := make(chan struct{})

go func() {

endGroup.Wait()

close(endDone)

}()

go func() {

startGroup.Wait()

close(startDone)

}()

for i := 0; i < 3; i++ {

go func() {

c := exec.Command(dockerBinary, "attach", "attacher")

defer func() {

c.Wait()

endGroup.Done()

}()

out, err := c.StdoutPipe()

if err != nil {

t.Fatal(err)

}

if err := c.Start(); err != nil {

t.Fatal(err)

}

buf := make([]byte, 1024)

if _, err := out.Read(buf); err != nil && err != io.EOF {

t.Fatal(err)

}

startGroup.Done()

if !strings.Contains(string(buf), "hello") {

t.Fatalf("unexpected output %s expected hello\n", string(buf))

}

}()

}

select {

case <-startDone:

case <-time.After(attachWait):

t.Fatalf("Attaches did not initialize properly")

}

cmd := exec.Command(dockerBinary, "kill", "attacher")

if _, err := runCommand(cmd); err != nil {

t.Fatal(err)

}

select {

case <-endDone:

case <-time.After(attachWait):

t.Fatalf("Attaches did not finish properly")

}

logDone("attach - multiple attach")

}

func TestAttachTtyWithoutStdin(t *testing.T) {

defer deleteAllContainers()

cmd := exec.Command(dockerBinary, "run", "-d", "-ti", "busybox")

out, _, err := runCommandWithOutput(cmd)

if err != nil {

t.Fatalf("failed to start container: %v (%v)", out, err)

}

id := strings.TrimSpace(out)

if err := waitRun(id); err != nil {

t.Fatal(err)

}

defer func() {

cmd := exec.Command(dockerBinary, "kill", id)

if out, _, err := runCommandWithOutput(cmd); err != nil {

t.Fatalf("failed to kill container: %v (%v)", out, err)

}

}()

done := make(chan struct{})

go func() {

defer close(done)

cmd := exec.Command(dockerBinary, "attach", id)

if _, err := cmd.StdinPipe(); err != nil {

t.Fatal(err)

}

expected := "cannot enable tty mode"

if out, _, err := runCommandWithOutput(cmd); err == nil {

t.Fatal("attach should have failed")

} else if !strings.Contains(out, expected) {

t.Fatalf("attach failed with error %q: expected %q", out, expected)

}

}()

select {

case <-done:

case <-time.After(attachWait):

t.Fatal("attach is running but should have failed")

}

logDone("attach - forbid piped stdin to tty enabled container")

}