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#!/bin/sh
#
# SPDX-FileCopyrightText: Peter Pentchev <roam@ringlet.net>
# SPDX-License-Identifier: BSD-2-Clause
set -e
ensure_empty()
{
local filename="$1"
if [ -s "$filename" ]; then
echo "Did not expect anything in $filename" 1>&2
cat -- "$filename"
exit 1
fi
}
check_output()
{
local pattern="$1" filename="$2"
local prefix='^@REMOTE_TEMP_DIR@'
local pattern_stripped="${pattern#$prefix}"
if [ "$pattern_stripped" != "$pattern" ]; then
echo "Replacing $prefix by ^$remote_temp_dir_pattern in $pattern"
pattern="^$remote_temp_dir_pattern$pattern_stripped"
echo "- got $pattern"
fi
if ! grep -Eqe "$pattern" -- "$filename"; then
echo 'Unexpected output:' 1>&2
cat -- "$filename" 1>&2
exit 1
fi
}
test_bad()
{
local filename="$1" pattern="$2" prog_opts="$3"
shift 3
: > "$tempf"
# shellcheck disable=SC2086 # prog_opts may be more than one argument
if "$remrun" \
${REMRUN_TEST_LOCAL_CKSUM_CMD:+-C "$REMRUN_TEST_LOCAL_CKSUM_CMD"} \
${REMRUN_TEST_REMOTE_CKSUM_CMD:+-c "$REMRUN_TEST_REMOTE_CKSUM_CMD"} \
${REMRUN_TEST_REMOTE_TMP:+-T "$REMRUN_TEST_REMOTE_TMP"} \
"$@" -- "$REMRUN_TEST_HOSTSPEC" "$filename" $prog_opts > "$tempf"; then
echo 'Unexpected success; here is the output:' 1>&2
cat -- "$tempf" 1>&2
exit 1
fi
if [ -z "$pattern" ]; then
ensure_empty "$tempf"
else
check_output "$pattern" "$tempf"
fi
}
test_good()
{
local filename="$1" pattern="$2" prog_opts="$3"
shift 3
: > "$tempf"
# shellcheck disable=SC2086 # prog_opts may be more than one argument
if ! "$remrun" \
${REMRUN_TEST_LOCAL_CKSUM_CMD:+-C "$REMRUN_TEST_LOCAL_CKSUM_CMD"} \
${REMRUN_TEST_REMOTE_CKSUM_CMD:+-c "$REMRUN_TEST_REMOTE_CKSUM_CMD"} \
${REMRUN_TEST_REMOTE_TMP:+-T "$REMRUN_TEST_REMOTE_TMP"} \
"$@" -- "$REMRUN_TEST_HOSTSPEC" "$filename" $prog_opts > "$tempf"; then
echo 'Unexpected failure; here is the output:' 1>&2
cat -- "$tempf" 1>&2
exit 1
fi
if [ -z "$pattern" ]; then
ensure_empty "$tempf"
else
check_output "$pattern" "$tempf"
fi
}
if [ "$#" -ne 1 ]; then
echo 'Usage: run-test.sh /path/to/remrun' 1>&2
exit 1
fi
remrun="$1"
if [ -z "$REMRUN_TEST_HOSTSPEC" ]; then
echo 'No REMRUN_TEST_HOSTSPEC in the environment, skipping the test suite'
exit 0
fi
datadir="$(dirname -- "$0")/test-data"
if [ ! -d "$datadir" ] || [ ! -f "$datadir/whoami.sh" ]; then
echo "Invalid datadir detected: $datadir" 1>&2
exit 1
fi
tempf="$(mktemp remrun-test.XXXXXX)"
# shellcheck disable=SC2064 # we *mean* to not expand it later
trap "rm -f -- '$tempf'" HUP INT EXIT QUIT TERM
if [ -z "$REMRUN_TEST_REMOTE_TMP" ]; then
remote_temp_dir_pattern='\.'
else
remote_temp_dir_pattern="$(printf -- "$REMRUN_TEST_REMOTE_TMP" | sed -e 's/[^A-Za-z0-9_-]/\\&/g')"
fi
printf '\n=== Fail with a nonexistent local file\n\n'
test_bad /nonexistent '' ''
printf '\n=== Do not run "whoami" on the remote host\n\n'
test_good "$datadir/whoami.sh" '^@REMOTE_TEMP_DIR@/remrun\.[A-Za-z0-9._-]{6}$' '' -v -N
printf '\n=== Run "whoami" on the remote host\n\n'
test_good "$datadir/whoami.sh" '^[A-Za-z0-9._-]+$' ''
printf '\n=== Fail with mismatched local and remote checksum commands\n\n'
test_bad "$datadir/whoami.sh" '' '' -C cksum
printf '\n=== Fail again with mismatched local and remote checksum commands\n\n'
test_bad "$datadir/whoami.sh" '' '' -c cksum
printf '\n=== Use the same non-default checksum command on both sides\n\n'
test_good "$datadir/whoami.sh" '^[A-Za-z0-9._-]+$' '' -C cksum -c cksum
printf '\n=== Run "wc" on an empty stream, expected: 0 0 0 -\n\n'
test_good "$datadir/wc.sh" '^[[:space:]]*0[[:space:]]+0[[:space:]]+0$' '' -v
printf '\n=== Run "wc" on a non-empty stream\n\n'
test_good "$datadir/wc.sh" '^[[:space:]]*2[[:space:]]+9[[:space:]]+37$' '' -v -s < "$datadir/testfile.txt"
printf '\n=== Run a script that will fail\n\n'
test_bad "$datadir/fail.sh" 'I am failing' ''
printf '\n=== Run a script read from the standard input stream\n\n'
test_good - '^[A-Za-z0-9._-]+$' '' < "$datadir/whoami.sh"
printf '\n=== Do not allow -s and - together\n\n'
test_bad - '' '' -s < "$datadir/whoami.sh"
printf '\n=== Pass command-line arguments to the executed program\n\n'
test_good "$datadir/count.sh" '^12345$' 5
printf '\n=== Pass command-line arguments to the executed program 2\n\n'
test_good "$datadir/count.sh" '^0$' ''
printf '\n=== Pass command-line arguments to the executed program 3\n\n'
test_bad "$datadir/count.sh" '^Something weird' '5 6'
printf '\n=== All fine\n\n'
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