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Merge pull request #14346 from edsantiago/helpmsg_tests 

help-message system test: catch more cases
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OpenShift Merge Robot 2022-05-24 19:56:54 -04:00 committed by GitHub
parent 0f5c06dac5 8de3e91024
commit 6f2a40d42e
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2 changed files with 34 additions and 24 deletions
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42
test/system/015-help.bats
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@ -34,10 +34,16 @@ function check_help() {
# has no ' [options]'
is "$usage " " $command_string .*" "Usage string matches command"
# Strip off the leading command string; we no longer need it
usage=$(sed -e "s/^ $command_string \?//" <<<"$usage")
# If usage ends in '[command]', recurse into subcommands
if expr "$usage" : '.*\[command\]$' >/dev/null; then
if expr "$usage" : '\[command\]' >/dev/null; then
found[subcommands]=1
# (except for 'podman help', which is a special case)
if [[ $cmd != "help" ]]; then
check_help "$@" $cmd
fi
continue
fi
@ -49,10 +55,26 @@ function check_help() {
assert "$usage" !~ '[A-Z].*\[option' \
"'options' must precede arguments in usage"
# Strip off '[options]' but remember if we've seen it.
local has_options=
if [[ $usage =~ \[options\] ]]; then
has_options=1
usage=$(sed -e 's/^\[options\] \?//' <<<"$usage")
fi
# From this point on, remaining argument descriptions must be UPPER CASE
# e.g., 'podman cmd [options] arg' or 'podman cmd [arg]' are invalid.
assert "$usage" !~ '[a-z]' \
"$command_string: argument names must be UPPER CASE"
# It makes no sense to have an optional arg followed by a mandatory one
assert "$usage" !~ '\[.*\] [A-Z]' \
"$command_string: optional args must be _after_ required ones"
# Cross-check: if usage includes '[options]', there must be a
# longer 'Options:' section in the full --help output; vice-versa,
# if 'Options:' is in full output, usage line must have '[options]'.
if expr "$usage" : '.*\[option' >/dev/null; then
if [[ $has_options ]]; then
if ! expr "$full_help" : ".*Options:" >/dev/null; then
die "$command_string: Usage includes '[options]' but has no 'Options:' subsection"
fi
@ -95,9 +117,7 @@ function check_help() {
fi
# If usage has required arguments, try running without them.
# The expression here is 'first capital letter is not in [BRACKETS]'.
# It is intended to handle 'podman foo [options] ARG' but not ' [ARG]'.
if expr "$usage" : '[^A-Z]\+ [A-Z]' >/dev/null; then
if expr "$usage" : '[A-Z]' >/dev/null; then
# Exceptions: these commands don't work rootless
if is_rootless; then
# "pause is not supported for rootless containers"
@ -126,16 +146,7 @@ function check_help() {
# the required args, then invoke with one extra. We should get a
# usage error.
if ! expr "$usage" : ".*\.\.\."; then
# "podman help" can take infinite args, so skip that one
if [ "$cmd" != "help" ]; then
# Get the args part of the command line; this should be
# everything from the first CAPITAL LETTER onward. We
# don't actually care about the letter itself, so just
# make it 'X'. And we don't care about [OPTIONAL] brackets
# either. What we do care about is stuff like 'IMAGE | CTR'
# which is actually one argument; convert to 'IMAGE-or-CTR'
local rhs=$(sed -e 's/^[^A-Z]\+[A-Z]/X/' -e 's/ | /-or-/g' <<<"$usage")
local n_args=$(wc -w <<<"$rhs")
local n_args=$(wc -w <<<"$usage")
run_podman '?' "$@" $cmd $(seq --format='x%g' 0 $n_args)
is "$status" 125 \
@ -145,7 +156,6 @@ function check_help() {
found[fixed_args]=1
fi
fi
count=$(expr $count + 1)
done