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#!/bin/sh -e -u --
set -e
set -u
verbose=""
if [ "$1" = "-v" ]; then
verbose="true"
shift
fi
if [ $# -ne 1 ]; then
printf "Usage: %s [ test script ]\n\n" "$(basename $0)"
printf "ERROR: Need a single test script to execute\n"
exit 1
fi
# chdir(2) to the directory where the script resides
cd "$(dirname "$0")"
exact_name="$(basename ${1} .sh)"
test_name="$(echo ${exact_name} | sed -e s@^test_@@)"
test_script="${exact_name}.sh"
test_out="${test_name}.out"
expected_out="expected/${test_name}.out"
if [ ! -r "${test_script}" ]; then
printf "ERROR: Test script %s does not exist\n" "${test_script}"
exit 2
fi
if [ -n "${verbose}" ]; then
cat "${test_script}" | tail -n 1
fi
set +e
"./${test_script}" > "${test_out}" 2>&1
if [ ! -r "${expected_out}" ]; then
printf "ERROR: Expected test output (%s) does not exist\n" "${expected_out}"
exit 2
fi
cmp -s "${expected_out}" "${test_out}"
result=$?
set -e
if [ "${result}" -eq 0 ]; then
if [ -n "${verbose}" ]; then
cat "${test_out}"
fi
rm -f "${test_out}"
exit 0
fi
diff_out="${test_name}.diff"
set +e
diff -u "${test_out}" "${expected_out}" > "${diff_out}"
set -e
# If run as an interactive TTY, pass along the diff to the caller
if [ -t 0 -o -n "${verbose}" ]; then
cat "${diff_out}"
fi
exit 1
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