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System tests: add podman run --tz

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New tests for podman run --tz=EXPLICIT and =local. Requires
updating our testimage by adding a fixed reference timestamp
to a known file path.

Signed-off-by: Ed Santiago <santiago@redhat.com>
This commit is contained in:
Ed Santiago
2020-09-29 12:23:58 -06:00
parent 2ee415be90
commit 258ccfc3c9
3 changed files with 32 additions and 1 deletions
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24
test/system/030-run.bats
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@ -393,4 +393,28 @@ json-file | f
run_podman rm myctr
}
@test "podman run --tz" {
# This file will always have a constant reference timestamp
local testfile=/home/podman/testimage-id
run_podman run --rm $IMAGE date -r $testfile
is "$output" "Sun Sep 13 12:26:40 UTC 2020" "podman run with no TZ"
run_podman run --rm --tz=MST7MDT $IMAGE date -r $testfile
is "$output" "Sun Sep 13 06:26:40 MDT 2020" "podman run with --tz=MST7MDT"
# --tz=local pays attention to /etc/localtime, not $TZ. We set TZ anyway,
# to make sure podman ignores it; and, because this test is locale-
# dependent, we pick an obscure zone (+1245) that is unlikely to
# collide with any of our testing environments.
#
# To get a reference timestamp we run 'date' locally; note the explicit
# strftime() format. We can't use --iso=seconds because GNU date adds
# a colon to the TZ offset (eg -07:00) whereas alpine does not (-0700).
run date --date=@1600000000 +%Y-%m-%dT%H:%M:%S%z
expect="$output"
TZ=Pacific/Chatham run_podman run --rm --tz=local $IMAGE date -Iseconds -r $testfile
is "$output" "$expect" "podman run with --tz=local, matches host"
}
# vim: filetype=sh

7
test/system/build-testimage
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@ -35,6 +35,12 @@ cd $tmpdir
# 'image mount' test will confirm that this file exists and has our YMD tag
echo $YMD >testimage-id
# ...but set the timestamp on the file itself to a constant well-known
# value, for use by the 'run --tz' test. Date value chosen for nerdiness
# and because it's in the past. (Much as I'd love FFFFFFFF, we can't
# use any future date because of unpredictable leap second adjustments).
touch --date=@1600000000 testimage-id
# 'pod' test will use this for --infra-command
cat >pause <<EOF
#!/bin/sh
@ -49,6 +55,7 @@ EOF
chmod 755 pause
# alpine because it's small and light and reliable
# - check for updates @ https://hub.docker.com/_/alpine
# busybox-extras provides httpd needed in 500-networking.bats
cat >Containerfile <<EOF
FROM docker.io/library/alpine:3.12.0

2
test/system/helpers.bash
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@ -7,7 +7,7 @@ PODMAN=${PODMAN:-podman}
PODMAN_TEST_IMAGE_REGISTRY=${PODMAN_TEST_IMAGE_REGISTRY:-"quay.io"}
PODMAN_TEST_IMAGE_USER=${PODMAN_TEST_IMAGE_USER:-"libpod"}
PODMAN_TEST_IMAGE_NAME=${PODMAN_TEST_IMAGE_NAME:-"testimage"}
PODMAN_TEST_IMAGE_TAG=${PODMAN_TEST_IMAGE_TAG:-"20200917"}
PODMAN_TEST_IMAGE_TAG=${PODMAN_TEST_IMAGE_TAG:-"20200929"}
PODMAN_TEST_IMAGE_FQN="$PODMAN_TEST_IMAGE_REGISTRY/$PODMAN_TEST_IMAGE_USER/$PODMAN_TEST_IMAGE_NAME:$PODMAN_TEST_IMAGE_TAG"
# Because who wants to spell that out each time?