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
|
#!/usr/bin/env bats
# shellcheck disable=SC2016
# This disables the check for shell variables inside single quotes
# We do that all the time in this file, as we are testing env vars.
load helpers
function setup() {
setup_busybox
}
function teardown() {
teardown_bundle
}
# Several of these tests are inspired on regressions caught by Docker, besides other tests that
# check the behavior we already had in runc:
# https://github.com/moby/moby/blob/843e51459f14ebc964d349eba1013dc8a3e9d52e/integration-cli/docker_cli_links_test.go#L197-L204
# https://github.com/moby/moby/blob/843e51459f14ebc964d349eba1013dc8a3e9d52e/integration-cli/docker_cli_run_test.go#L822-L843
#
@test "non-empty HOME env is used" {
update_config ' .process.env += ["HOME=/override"]'
update_config ' .process.args += ["-c", "echo $HOME"]'
runc run test_busybox
[ "$status" -eq 0 ]
[[ "${lines[0]}" == '/override' ]]
}
@test "empty HOME env var is overridden" {
update_config ' .process.env += ["HOME="]'
update_config ' .process.args += ["-c", "echo $HOME"]'
runc run test_busybox
[ "$status" -eq 0 ]
[[ "${lines[0]}" == '/root' ]]
}
@test "empty HOME env var is overridden with multiple overrides" {
update_config ' .process.env += ["HOME=/override", "HOME="]'
update_config ' .process.args += ["-c", "echo $HOME"]'
runc run test_busybox
[ "$status" -eq 0 ]
[[ "${lines[0]}" == '/root' ]]
}
@test "env var HOME is set only once" {
# env will show if an env var is set multiple times.
update_config ' .process.args = ["env"]'
update_config ' .process.env = ["HOME=", "PATH=/usr/bin:/bin"]'
runc run test_busybox
[ "$status" -eq 0 ]
# There should be 2 words/env-vars: HOME and PATH.
[ "$(wc -w <<<"$output")" -eq 2 ]
}
@test "env var override is set only once" {
# env will show if an env var is set multiple times.
update_config ' .process.args = ["env"]'
update_config ' .process.env = ["ONE=two", "ONE=", "PATH=/usr/bin:/bin"]'
runc run test_busybox
[ "$status" -eq 0 ]
# There should be 3 words/env-vars: ONE, PATH and HOME.
[ "$(wc -w <<<"$output")" -eq 3 ]
}
@test "env var override" {
update_config ' .process.env += ["ONE=two", "ONE=three"]'
update_config ' .process.args += ["-c", "echo ONE=\"$ONE\""]'
runc run test_busybox
[ "$status" -eq 0 ]
[[ "${lines[0]}" == "ONE=three" ]]
}
@test "env var with new-line is honored" {
update_config ' .process.env = ["NEW_LINE_ENV=\n", "PATH=/usr/bin:/bin"]'
update_config ' .process.args = ["env"]'
runc run test_busybox
[ "$status" -eq 0 ]
# There should be 4 lines
# NEW_LINE is a \n and when printed, it takes another line:
# 1. HOME=...
# 2. PATH=...
# 3. NEW_LINE_ENV=
# 4.
#
[ "$(wc -l <<<"$output")" -eq 4 ]
}
|
