| #!/bin/bash |
| |
| # Self-tests for gm, based on tools/tests/run.sh |
| # |
| # These tests are run by the Skia_PerCommit_House_Keeping bot at every commit, |
| # so make sure that they still pass when you make changes to gm! |
| # |
| # TODO: Even though these tests are passing on the Skia_PerCommit_House_Keeping |
| # bot (which runs on Linux), they fail when I run them on my Mac. |
| # Ideally, these tests should pass on all development platforms... |
| # otherwise, how can developers be expected to test them before committing a |
| # change? |
| |
| # cd into .../trunk so all the paths will work |
| cd $(dirname $0)/../.. |
| |
| # TODO(epoger): make it look in Release and/or Debug |
| GM_BINARY=out/Debug/gm |
| |
| # Compare contents of all files within directories $1 and $2, |
| # EXCEPT for any dotfiles. |
| # If there are any differences, a description is written to stdout and |
| # we exit with a nonzero return value. |
| # Otherwise, we write nothing to stdout and return. |
| function compare_directories { |
| if [ $# != 2 ]; then |
| echo "compare_directories requires exactly 2 parameters, got $#" |
| exit 1 |
| fi |
| diff -r --exclude=.* $1 $2 |
| if [ $? != 0 ]; then |
| echo "failed in: compare_directories $1 $2" |
| exit 1 |
| fi |
| } |
| |
| # Run gm... |
| # - with the arguments in $1 |
| # - writing resulting images into $2/output-actual/images |
| # - writing stdout into $2/output-actual/stdout |
| # - writing json summary into $2/output-actual/json-summary.txt |
| # - writing return value into $2/output-actual/return_value |
| # Then compare all of those against $2/output-expected . |
| function gm_test { |
| if [ $# != 2 ]; then |
| echo "gm_test requires exactly 2 parameters, got $#" |
| exit 1 |
| fi |
| GM_ARGS="$1" |
| ACTUAL_OUTPUT_DIR="$2/output-actual" |
| EXPECTED_OUTPUT_DIR="$2/output-expected" |
| |
| rm -rf $ACTUAL_OUTPUT_DIR |
| mkdir -p $ACTUAL_OUTPUT_DIR |
| COMMAND="$GM_BINARY $GM_ARGS --writeJsonSummary $ACTUAL_OUTPUT_DIR/json-summary.txt -w $ACTUAL_OUTPUT_DIR/images" |
| echo "$COMMAND" >$ACTUAL_OUTPUT_DIR/command_line |
| $COMMAND &>$ACTUAL_OUTPUT_DIR/stdout |
| echo $? >$ACTUAL_OUTPUT_DIR/return_value |
| |
| compare_directories $EXPECTED_OUTPUT_DIR $ACTUAL_OUTPUT_DIR |
| } |
| |
| GM_TESTDIR=gm/tests |
| GM_INPUTS=$GM_TESTDIR/inputs |
| GM_OUTPUTS=$GM_TESTDIR/outputs |
| |
| # Compare generated image against an input image file with identical bytes. |
| gm_test "--hierarchy --match dashing2 --config 8888 -r $GM_INPUTS/identical-bytes" "$GM_OUTPUTS/compared-against-identical-bytes" |
| |
| # Compare generated image against an input image file with identical pixels but different PNG encoding. |
| gm_test "--hierarchy --match dashing2 --config 8888 -r $GM_INPUTS/identical-pixels" "$GM_OUTPUTS/compared-against-identical-pixels" |
| |
| # Compare generated image against an input image file with different pixels. |
| gm_test "--hierarchy --match dashing2 --config 8888 -r $GM_INPUTS/different-pixels" "$GM_OUTPUTS/compared-against-different-pixels" |
| |
| # Compare generated image against an empty "expected image" dir. |
| gm_test "--hierarchy --match dashing2 --config 8888 -r $GM_INPUTS/empty-dir" "$GM_OUTPUTS/compared-against-empty-dir" |
| |
| echo "All tests passed." |