podman

1
# -*- bats -*-
2
#
3
# tests of podman commands that require an interactive pty
4
#
5

6
load helpers
7

8
###############################################################################
9
# BEGIN setup/teardown
10

11
# Each test runs with its own PTY, managed by socat.
12
PODMAN_TEST_PTY=$(mktemp -u --tmpdir=${BATS_TMPDIR:-/tmp} podman_pty.XXXXXX)
13
PODMAN_DUMMY=$(mktemp -u --tmpdir=${BATS_TMPDIR:-/tmp} podman_dummy.XXXXXX)
14
PODMAN_SOCAT_PID=
15

16
function setup() {
17
    basic_setup
18

19
    # Create a pty. Run under 'timeout' because BATS reaps child processes
20
    # and if we exit before killing socat, bats will hang forever.
21
    timeout 10 socat \
22
            PTY,link=$PODMAN_TEST_PTY,raw,echo=0 \
23
            PTY,link=$PODMAN_DUMMY,raw,echo=0 &
24
    PODMAN_SOCAT_PID=$!
25

26
    # Wait for pty
27
    retries=5
28
    while [[ ! -e $PODMAN_TEST_PTY ]]; do
29
        retries=$(( retries - 1 ))
30
        assert $retries -gt 0 "Timed out waiting for $PODMAN_TEST_PTY"
31
        sleep 0.5
32
    done
33
}
34

35
function teardown() {
36
    if [[ -n $PODMAN_SOCAT_PID ]]; then
37
        kill $PODMAN_SOCAT_PID
38
        PODMAN_SOCAT_PID=
39
    fi
40
    rm -f $PODMAN_TEST_PTY $PODMAN_DUMMY_PTY
41

42
    basic_teardown
43
}
44

45
# END   setup/teardown
46
###############################################################################
47
# BEGIN tests
48

49
@test "podman detects correct tty size" {
50
    # Set the pty to a random size. Make rows/columns odd/even, to guarantee
51
    # that they can never be the same
52
    rows=$(( 15 + RANDOM % 60 |   1 ))
53
    cols=$(( 15 + RANDOM % 60 & 126 ))
54
    stty rows $rows cols $cols <$PODMAN_TEST_PTY
55

56
    CR=$'\r'
57

58
    # ...and make sure stty under podman reads that.
59
    # This flakes often ("stty: standard input"), so, retry.
60
    run_podman run -it --name mystty $IMAGE stty size <$PODMAN_TEST_PTY
61
    if [[ "$output" =~ stty ]]; then
62
        echo "# stty flaked, retrying: $output" >&3
63
        run_podman rm -f mystty
64
        sleep 1
65
        run_podman run -it --name mystty $IMAGE stty size <$PODMAN_TEST_PTY
66
    fi
67
    is "$output" "$rows $cols$CR" "stty under podman run reads the correct dimensions"
68

69
    run_podman rm -t 0 -f mystty
70

71
    # FIXME: the checks below are flaking a lot (see #10710).
72

73
    # check that the same works for podman exec
74
#    run_podman run -d --name mystty $IMAGE top
75
#    run_podman exec -it mystty stty size <$PODMAN_TEST_PTY
76
#    is "$output" "$rows $cols" "stty under podman exec reads the correct dimensions"
77
#
78
#    run_podman rm -t 0 -f mystty
79
}
80

81

82
@test "podman load - will not read from tty" {
83
    run_podman 125 load <$PODMAN_TEST_PTY
84
    is "$output" \
85
       "Error: cannot read from terminal, use command-line redirection or the --input flag" \
86
       "Diagnostic from 'podman load' without redirection or -i"
87
}
88

89

90
@test "podman run --tty -i failure with no tty" {
91
    run_podman 0+w run --tty -i --rm $IMAGE echo hello < /dev/null
92
    require_warning "The input device is not a TTY.*" "-it _without_ a tty"
93

94
    CR=$'\r'
95
    run_podman run --tty -i --rm $IMAGE echo hello <$PODMAN_TEST_PTY
96
    is "$output" "hello$CR" "-it _with_ a pty"
97

98
    run_podman run --tty=false -i --rm $IMAGE echo hello < /dev/null
99
    is "$output" "hello" "-tty=false: no warning"
100

101
    run_podman run --tty -i=false --rm $IMAGE echo hello < /dev/null
102
    is "$output" "hello$CR" "-i=false: no warning"
103
}
104

105

106
@test "podman run -l passthrough-tty" {
107
    skip_if_remote
108

109
    # Requires conmon 2.1.10 or greater
110
    want=2.1.10
111
    run_podman info --format '{{.Host.Conmon.Path}}'
112
    conmon_path="$output"
113
    conmon_version=$($conmon_path --version | sed -ne 's/^.* version //p')
114
    if ! printf "%s\n%s\n" "$want" "$conmon_version" | sort --check=quiet --version-sort; then
115
        skip "need conmon >= $want; have $conmon_version"
116
    fi
117

118
    run tty <$PODMAN_TEST_PTY
119
    expected_tty="$output"
120

121
    run_podman run -v/dev:/dev --log-driver=passthrough-tty $IMAGE tty <$PODMAN_TEST_PTY
122
    is "$output" "$expected_tty" "passthrough-tty: tty matches"
123
}
124

125
# vim: filetype=sh
126