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symlink_test.sh
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symlink_test.sh
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#!/bin/bash -eu
#
# Copyright 2016 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
################################################################################
set -eu
source "$(dirname $0)/test_util.sh"
# If we're runnig via Bazel, find the source files via $TEST_SRCDIR;
# otherwise, default to dir of current file and search relative to that.
#
# Also, if we're running via Bazel, it already defines $TEST_TMPDIR which we
# don't have to clean up; otherwise, create our own dir and schedule cleanup.
if [ -n "${TEST_SRCDIR:-}" ]; then
declare -r SRCDIR="${TEST_SRCDIR}/${TEST_WORKSPACE}"
declare -r TMPDIR="${TEST_TMPDIR}"
else
declare -r SRCDIR="$(dirname $0)/.."
declare -r TMPDIR="$(mktemp -d /tmp/$(basename $0).XXXXXX)"
function cleanup() {
rm -rf "${TMPDIR}"
}
trap cleanup EXIT INT TERM
fi
declare -r AUTOGEN="${SRCDIR}/${1:-autogen}"
# We need to get the absolute path to $AUTOGEN because otherwise, relative paths
# from absolute paths in $TMPDIR will not work.
declare -r AUTOGEN_DIR="$(cd $(dirname "${AUTOGEN}"); pwd -P)"
declare -r AUTOGEN_FULL_PATH="${AUTOGEN_DIR}/$(basename "${AUTOGEN}")"
declare -ar AUTOGEN_SYMLINKS=(
"${TMPDIR}/autogen0.sh"
"${TMPDIR}/autogen1.sh"
"${TMPDIR}/autogen2.sh"
)
ln -s "${AUTOGEN_FULL_PATH}" "${AUTOGEN_SYMLINKS[0]}"
ln -s "${AUTOGEN_SYMLINKS[0]}" "${AUTOGEN_SYMLINKS[1]}"
ln -s "${AUTOGEN_SYMLINKS[1]}" "${AUTOGEN_SYMLINKS[2]}"
for ext in hs ml pl rb py sh; do
expected_file="${TMPDIR}/expected.${ext}"
touch "${expected_file}"
"${AUTOGEN}" -i "${expected_file}"
for autogen in ${AUTOGEN_SYMLINKS[@]}; do
actual_file="${TMPDIR}/$(basename $autogen).actual.${ext}"
touch "${actual_file}"
"${autogen}" -i "${actual_file}"
diff -u "${expected_file}" "${actual_file}" \
&& test_record_passed \
|| test_record_failed
done
done
test_print_status
test_exit