tests/test_enc_dir.sh

#!/bin/bash
# Copyright 2020 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.
# ------------------------------------------------------------------------------

# tests for encoding / decoding directories

set -ex

if [[ "$#" -ge 1 ]]; then
  # eval so that the passed in directory can contain variables.
  BINARY_DIR="$(eval echo "$1")"
else
  # assume "tests" is the current directory
  BINARY_DIR=..
fi
if [[ "$#" -ge 2 ]]; then
  TESTDATA_DIR="$(eval echo "$2")"
else
  TESTDATA_DIR=./testdata
fi

CWP2="${BINARY_DIR}/cwp2"
DWP2="${BINARY_DIR}/dwp2"
TMP_TESTDATA_DIR=/tmp/test_enc_dir_testdata
DST_DIR=/tmp/test_enc_dir
rm -fr "${TMP_TESTDATA_DIR}"
mkdir -p "${TMP_TESTDATA_DIR}"
rm -fr "${DST_DIR}"
mkdir -p "${DST_DIR}"

# Copy some files so that it doesn't take ages compressing the whole folder.
cp -f "${TESTDATA_DIR}/source0.pgm" "${TMP_TESTDATA_DIR}/"
cp -f "${TESTDATA_DIR}/source2.tiff" "${TMP_TESTDATA_DIR}/"
cp -f "${TESTDATA_DIR}/source1_1x1.png" "${TMP_TESTDATA_DIR}/"
cp -f "${TESTDATA_DIR}/source1_64x48.png" "${TMP_TESTDATA_DIR}/"

echo "input folder test"
"${CWP2}" "${TMP_TESTDATA_DIR}" -r -o "${DST_DIR}" -force -effort 0 -progress
"${DWP2}" "${DST_DIR}" -r -o "${DST_DIR}" -force

echo "multithreaded decoding"
"${DWP2}" "${DST_DIR}" -r -o "${DST_DIR}" -force -mt
"${DWP2}" "${DST_DIR}" -r -o "${DST_DIR}" -force -mt 1
"${DWP2}" "${DST_DIR}" -r -o "${DST_DIR}" -mt 4 -force

echo "several input files test"
"${CWP2}" "${TESTDATA_DIR}/source1.png" "${TESTDATA_DIR}/source3.jpg" \
  -o "${DST_DIR}" -force -effort 0
"${DWP2}" "${DST_DIR}/source1.wp2" "${DST_DIR}/source3.wp2" \
  -o "${DST_DIR}" -pam -force -progress

echo "inplace test"
"${CWP2}" "${DST_DIR}/source1.pam" "${DST_DIR}/source3.pam" \
  -inplace -force -effort 0
"${DWP2}" "${DST_DIR}/source1.wp2" "${DST_DIR}/source3.wp2" \
  -inplace -force

set +e # Negative tests.

echo "Negative tests"
"${DWP2}" "${DST_DIR}/source1.png" "${DST_DIR}/source3.png" && die
"${CWP2}" "${TESTDATA_DIR}/source1.png" "${TESTDATA_DIR}/source3.jpg" \
  -o "${DST_DIR}/not_a_directory.wp2" && die
"${DWP2}" "${DST_DIR}/source1.wp2" "${DST_DIR}/source3.wp2" \
  -o "${DST_DIR}/not_a_directory.png" && die
"${DWP2}" "${DST_DIR}/source1.wp2" -mt 4294967295 && die
"${DWP2}" "${DST_DIR}/source3.wp2" -mt -1 && die

echo "test -d option with multiple files"
"${CWP2}" "${TESTDATA_DIR}/source1_64x48.png" "${TESTDATA_DIR}/source1.png" \
  -o "${TMP_TESTDATA_DIR}" -d "${DST_DIR}/tmp.webp" && die
"${CWP2}" "${TESTDATA_DIR}/source1_64x48.png" -d "${DST_DIR}/" && die

echo "test good/bad files mix"
printf "%b" '\xf4\xff\x6f\xff\xff\xff\xff\xff\xff\xff\xff\xff' \
  > "${DST_DIR}/bad.wp2"
"${DWP2}" "${DST_DIR}/source1.wp2" "${DST_DIR}/bad.wp2" \
  -o "${DST_DIR}" -pam -force -mt && die
"${DWP2}" "${DST_DIR}/bad.wp2" "${DST_DIR}/source3.wp2" \
  -o "${DST_DIR}" -pam -mt -force && die
"${DWP2}" "${DST_DIR}" -r -o "${DST_DIR}" -force -mt 1 && die

# Clean up
rm -fr "${TMP_TESTDATA_DIR}"

echo "TEST OK"
exit 0