tests/test_enc.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

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"
GET_DISTO="${BINARY_DIR}/get_disto"

TMP_WP2=/tmp/test_enc.wp2
TMP_PNG=/tmp/test_enc.png

echo "lossy test"
"${CWP2}" -o "${TMP_WP2}" "${TESTDATA_DIR}/source1.png" -q 75 -effort 2 -info \
  -mt 2147483647 -orientation 2 -crop 7 8 497 304 -segment_mode implicit
"${DWP2}" -mt 2147483647 "${TMP_WP2}" -o "${TMP_PNG}"
"${GET_DISTO}" "${TMP_PNG}" "${TESTDATA_DIR}/source1.png" -lsim \
  -crop_source 7 8 497 304 -scale -ref "${TMP_WP2}"

echo "EXIF + XMP test"
"${CWP2}" -o "${TMP_WP2}" "${TESTDATA_DIR}/test_exif_xmp.webp" -psnrhvs -q 10 \
  -info -z 4 -mt -crop 0 0 128 128 -segment_mode explicit
"${DWP2}" "${TMP_WP2}" -o "${TMP_PNG}"
"${GET_DISTO}" "${TMP_WP2}" "${TESTDATA_DIR}/test_exif_xmp.webp" \
  -ssim -crop_source 0 0 0 0 -crop 0 0 128 128

echo "lossless get_disto test"
"${CWP2}" -o "${TMP_WP2}" "${TESTDATA_DIR}/source3.jpg" -q 100 -short -effort 0
"${GET_DISTO}" "${TMP_WP2}" "${TESTDATA_DIR}/source3.jpg" -exact -scale \
  "${TMP_WP2}" -gray -psnrhvs

echo "TEST OK"
exit 0