0b62b3dd1c
Review URL: https://codereview.chromium.org/12536007 git-svn-id: http://skia.googlecode.com/svn/trunk@8269 2bbb7eff-a529-9590-31e7-b0007b416f81
160 lines
6.5 KiB
Bash
Executable File
160 lines
6.5 KiB
Bash
Executable File
#!/bin/bash
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# Self-tests for gm, based on tools/tests/run.sh
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#
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# These tests are run by the Skia_PerCommit_House_Keeping bot at every commit,
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# so make sure that they still pass when you make changes to gm!
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#
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# To generate new baselines when gm behavior changes, run gm/tests/rebaseline.sh
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#
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# TODO: because this is written as a shell script (instead of, say, Python)
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# it only runs on Linux and Mac.
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# See https://code.google.com/p/skia/issues/detail?id=677
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# ('make tools/tests/run.sh work cross-platform')
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# Ideally, these tests should pass on all development platforms...
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# otherwise, how can developers be expected to test them before committing a
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# change?
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# cd into .../trunk so all the paths will work
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cd $(dirname $0)/../..
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# TODO(epoger): make it look in Release and/or Debug
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GM_BINARY=out/Debug/gm
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OUTPUT_ACTUAL_SUBDIR=output-actual
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OUTPUT_EXPECTED_SUBDIR=output-expected
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CONFIGS="--config 8888 565"
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# Compare contents of all files within directories $1 and $2,
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# EXCEPT for any dotfiles.
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# If there are any differences, a description is written to stdout and
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# we exit with a nonzero return value.
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# Otherwise, we write nothing to stdout and return.
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function compare_directories {
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if [ $# != 2 ]; then
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echo "compare_directories requires exactly 2 parameters, got $#"
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exit 1
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fi
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diff -r --exclude=.* $1 $2
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if [ $? != 0 ]; then
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echo "failed in: compare_directories $1 $2"
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exit 1
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fi
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}
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# Run gm...
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# - with the arguments in $1
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# - writing stdout into $2/$OUTPUT_ACTUAL_SUBDIR/stdout
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# - writing json summary into $2/$OUTPUT_ACTUAL_SUBDIR/json-summary.txt
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# - writing return value into $2/$OUTPUT_ACTUAL_SUBDIR/return_value
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# Then compare all of those against $2/$OUTPUT_EXPECTED_SUBDIR .
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function gm_test {
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if [ $# != 2 ]; then
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echo "gm_test requires exactly 2 parameters, got $#"
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exit 1
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fi
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GM_ARGS="$1"
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ACTUAL_OUTPUT_DIR="$2/$OUTPUT_ACTUAL_SUBDIR"
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EXPECTED_OUTPUT_DIR="$2/$OUTPUT_EXPECTED_SUBDIR"
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JSON_SUMMARY_FILE="$ACTUAL_OUTPUT_DIR/json-summary.txt"
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rm -rf $ACTUAL_OUTPUT_DIR
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mkdir -p $ACTUAL_OUTPUT_DIR
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COMMAND="$GM_BINARY $GM_ARGS --writeJsonSummaryPath $JSON_SUMMARY_FILE"
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echo "$COMMAND" >$ACTUAL_OUTPUT_DIR/command_line
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$COMMAND >$ACTUAL_OUTPUT_DIR/stdout 2>$ACTUAL_OUTPUT_DIR/stderr
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echo $? >$ACTUAL_OUTPUT_DIR/return_value
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# Only compare selected lines in the stdout, to ignore any spurious lines
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# as noted in http://code.google.com/p/skia/issues/detail?id=1068 .
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#
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# TODO(epoger): This is still hacky... we need to rewrite this script in
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# Python soon, and make stuff like this more maintainable.
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grep ^GM: $ACTUAL_OUTPUT_DIR/stdout >$ACTUAL_OUTPUT_DIR/stdout-tmp
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mv $ACTUAL_OUTPUT_DIR/stdout-tmp $ACTUAL_OUTPUT_DIR/stdout
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grep ^GM: $ACTUAL_OUTPUT_DIR/stderr >$ACTUAL_OUTPUT_DIR/stderr-tmp
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mv $ACTUAL_OUTPUT_DIR/stderr-tmp $ACTUAL_OUTPUT_DIR/stderr
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compare_directories $EXPECTED_OUTPUT_DIR $ACTUAL_OUTPUT_DIR
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}
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# Create input dir (at path $1) with expectations (both image and json)
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# that gm will match or mismatch as appropriate.
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#
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# We used to check these files into SVN, but then we needed to rebasline them
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# when our drawing changed at all... so, as proposed in
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# http://code.google.com/p/skia/issues/detail?id=1068 , we generate them
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# new each time.
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function create_inputs_dir {
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if [ $# != 1 ]; then
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echo "create_inputs_dir requires exactly 1 parameter, got $#"
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exit 1
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fi
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INPUTS_DIR="$1"
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IMAGES_DIR=$INPUTS_DIR/images
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JSON_DIR=$INPUTS_DIR/json
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mkdir -p $IMAGES_DIR $JSON_DIR
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mkdir -p $IMAGES_DIR/identical-bytes
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# Run GM to write out the images actually generated.
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$GM_BINARY --hierarchy --match selftest1 $CONFIGS \
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-w $IMAGES_DIR/identical-bytes
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# Run GM again to read in those images and write them out as a JSON summary.
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$GM_BINARY --hierarchy --match selftest1 $CONFIGS \
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-r $IMAGES_DIR/identical-bytes \
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--writeJsonSummaryPath $JSON_DIR/identical-bytes.json
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mkdir -p $IMAGES_DIR/identical-pixels
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$GM_BINARY --hierarchy --match selftest1 $CONFIGS \
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-w $IMAGES_DIR/identical-pixels
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echo "more bytes that do not change the image pixels" \
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>> $IMAGES_DIR/identical-pixels/8888/selftest1.png
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echo "more bytes that do not change the image pixels" \
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>> $IMAGES_DIR/identical-pixels/565/selftest1.png
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$GM_BINARY --hierarchy --match selftest1 $CONFIGS \
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-r $IMAGES_DIR/identical-pixels \
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--writeJsonSummaryPath $JSON_DIR/identical-pixels.json
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mkdir -p $IMAGES_DIR/different-pixels
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$GM_BINARY --hierarchy --match selftest2 $CONFIGS \
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-w $IMAGES_DIR/different-pixels
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mv $IMAGES_DIR/different-pixels/8888/selftest2.png \
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$IMAGES_DIR/different-pixels/8888/selftest1.png
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mv $IMAGES_DIR/different-pixels/565/selftest2.png \
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$IMAGES_DIR/different-pixels/565/selftest1.png
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$GM_BINARY --hierarchy --match selftest1 $CONFIGS \
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-r $IMAGES_DIR/different-pixels \
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--writeJsonSummaryPath $JSON_DIR/different-pixels.json
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mkdir -p $IMAGES_DIR/empty-dir
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}
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GM_TESTDIR=gm/tests
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GM_INPUTS=$GM_TESTDIR/inputs
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GM_OUTPUTS=$GM_TESTDIR/outputs
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GM_TEMPFILES=$GM_TESTDIR/tempfiles
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create_inputs_dir $GM_INPUTS
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# Compare generated image against an input image file with identical bytes.
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gm_test "--hierarchy --match selftest1 $CONFIGS -r $GM_INPUTS/images/identical-bytes" "$GM_OUTPUTS/compared-against-identical-bytes-images"
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gm_test "--hierarchy --match selftest1 $CONFIGS -r $GM_INPUTS/json/identical-bytes.json" "$GM_OUTPUTS/compared-against-identical-bytes-json"
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# Compare generated image against an input image file with identical pixels but different PNG encoding.
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gm_test "--hierarchy --match selftest1 $CONFIGS -r $GM_INPUTS/images/identical-pixels" "$GM_OUTPUTS/compared-against-identical-pixels-images"
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gm_test "--hierarchy --match selftest1 $CONFIGS -r $GM_INPUTS/json/identical-pixels.json" "$GM_OUTPUTS/compared-against-identical-pixels-json"
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# Compare generated image against an input image file with different pixels.
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gm_test "--hierarchy --match selftest1 $CONFIGS -r $GM_INPUTS/images/different-pixels" "$GM_OUTPUTS/compared-against-different-pixels-images"
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gm_test "--hierarchy --match selftest1 $CONFIGS -r $GM_INPUTS/json/different-pixels.json" "$GM_OUTPUTS/compared-against-different-pixels-json"
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# Compare generated image against an empty "expected image" dir.
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gm_test "--hierarchy --match selftest1 $CONFIGS -r $GM_INPUTS/images/empty-dir" "$GM_OUTPUTS/compared-against-empty-dir"
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# If run without "-r", the JSON's "actual-results" section should contain
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# actual checksums marked as "failure-ignored", but the "expected-results"
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# section should be empty.
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gm_test "--hierarchy --match selftest1 $CONFIGS" "$GM_OUTPUTS/no-readpath"
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echo "All tests passed."
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