KTX-Software/tests/toktx-tests

#! /bin/bash
# -*- tab-width: 4; -*-
# vi: set sw=2 ts=4:

# Regression tests for toktx

# -------------------------------------------------------------------------
#
# ©2010 The Khronos Group, Inc.
#
# 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.
#
# -------------------------------------------------------------------------

# Depth of this script relative to the project root
depth=..

# Change dir to the testimages folder, a child of the script location...
cd $(dirname $0)/testimages
# ...and adjust depth
depth=$depth/..

# Make paths relative to the testimages directory.
ktx_root=$depth
toktx_vs2013=$ktx_root/build/msvs/win/vs2013/x64/Release/toktx.exe
toktx_vs2015=$ktx_root/build/msvs/win/vs2015/x64/Release/toktx.exe
toktx_cmake=$ktx_root/build/cmake/linux/Release/toktx
toktx_cmake_d=$ktx_root/build/cmake/linux/Debug/toktx
toktx_make=$ktx_root/build/make/linux/out/Release/toktx
toktx_make_d=$ktx_root/build/make/linux/out/Debug/toktx

declare -i numtests=0
declare -i passed=0
declare -i failed=0

# Ensure test is not polluted by user environment
unset TOKTX_OPTIONS

if [ -n "$1" -a -x "$1" ]; then
  toktx="$1"
elif [ -x "$toktx_vs2013" ]; then
  toktx=$toktx_vs2013
elif [ -x "$toktx_vs2015" ]; then
  toktx=$toktx_vs2015
elif [ -x "$toktx_cmake" ]; then
  toktx=$toktx_cmake
elif [ -x "$toktx_cmake_d" ]; then
  toktx=$toktx_cmake_d
elif [ -x "$toktx_make" ]; then
  toktx=$toktx_gmake
elif [ -x "$toktx_make_d" ]; then
  toktx=$toktx_gmake
else
  echo $0: None of $toktx_vs2013, $toktx_vs2015, $toktx_gmake or $toktx_cmake found.
  echo $0: Aborting test
  exit 1
fi

numtests=$numtests+1
if $toktx --help 2> /dev/null; then
  passed=$passed+1
else
  echo "--help not recognized"
  failed=$failed+1
fi

numtests=$numtests+1
if $toktx --version 2> /dev/null; then
  passed=$passed+1
else
  echo "--version not recognized"
  failed=$failed+1
fi

numtests=$numtests+1
if ! $toktx --foobar 2> /dev/null; then
  passed=$passed+1
else
  echo "invalid option --foobar accepted"
  failed=$failed+1
fi

numtests=$numtests+1
if ! $toktx --automipmap --mipmaps a b 2> /dev/null; then
  passed=$passed+1
else
  echo "Simultaneous --automipmap & --mipmaps allowed"
  failed=$failed+1
fi

numtests=$numtests+1
if ! $toktx --alpha --luminance a b 2> /dev/null; then
  passed=$passed+1
else
  echo "Simultaneous --alpha & --luminance allowed"
  failed=$failed+1
fi

function cmpktx () {
  if diff $1 $2; then
    passed=$passed+1
  else
	failed=$failed+1
	echo "created ktx file differs from target $2"
  fi
}

# Generate ktx file and compare with reference
# gencmpktx <reference> <toktx args> <toktx infile> ...
function gencmpktx() {
  numtests=$numtests+1
  local args
  local reference=$1; shift
  for i in $*; do
	if [ ${i:0:2} == "--" ]; then
	  args="$args $i"
	  shift
	fi
  done
  #echo $toktx $args $tempfile $*
  $toktx $args $tempfile $*
  cmpktx $tempfile $reference
  rm $tempfile
}

#---------------- Tests start here -----------------------

# Git Bash does not include mktemp.
if which mktemp > /dev/null; then
  tempfile=$(mktemp toktxXXXX.ktx)
else
  tempfile=/tmp/toktxXXXX.ktx
fi

gencmpktx rgb-reference.ktx --lower_left_maps_to_s0t0 --nometadata rgb.ppm 
gencmpktx rgb-amg-reference.ktx --automipmap --lower_left_maps_to_s0t0 --nometadata rgb.ppm
TOKTX_OPTIONS="--lower_left_maps_to_s0t0 --nometadata" gencmpktx orient-up.ktx up.ppm
gencmpktx orient-up-metadata.ktx --lower_left_maps_to_s0t0 up.ppm
gencmpktx orient-down-metadata.ktx up.ppm
gencmpktx rgb-mipmap-reference.ktx --lower_left_maps_to_s0t0 --mipmap --nometadata level0.ppm level1.ppm level2.ppm level3.ppm level4.ppm level5.ppm level6.ppm
gencmpktx rgba-reference.ktx --lower_left_maps_to_s0t0 --nometadata rgba.pam
gencmpktx luminance-reference-metadata.ktx --luminance luminance.pgm

numtests=$numtests+1
TOKTX_OPTIONS=--lower_left_maps_to_s0t0 $toktx --nometadata - rgb.ppm > $tempfile
cmpktx $tempfile rgb-reference.ktx
rm $tempfile

numtests=$numtests+1
cat rgb.ppm | $toktx --lower_left_maps_to_s0t0 --nometadata - > $tempfile
cmpktx $tempfile rgb-reference.ktx
rm $tempfile

numtests=$numtests+1
cat rgb.ppm | $toktx --lower_left_maps_to_s0t0 --nometadata $tempfile
cmpktx $tempfile rgb-reference.ktx
rm $tempfile

echo "Tests run: $numtests; passed: $passed; failed: $failed"
if [ $failed -gt 0 ]; then
  exit 1;
else
  exit 0;
fi