| start_test In-place resource optimization |
| FETCHED=$OUTDIR/ipro |
| # Note: we intentionally want to use an image which will not appear on |
| # any HTML pages, and thus will not be in cache before this test is run. |
| # (Since the system_test is run multiple times without clearing the cache |
| # it may be in cache on some of those runs, but we know that it was put in |
| # the cache by previous runs of this specific test.) |
| URL=$TEST_ROOT/ipro/test_image_dont_reuse.png |
| # Size between original image size and rewritten image size (in bytes). |
| # Used to figure out whether the returned image was rewritten or not. |
| THRESHOLD_SIZE=13000 |
| |
| # Check that we compress the image (with IPRO). |
| # Note: This requests $URL until it's size is less than $THRESHOLD_SIZE. |
| fetch_until -save $URL "wc -c" $THRESHOLD_SIZE "--save-headers" "-lt" |
| check_file_size $FETCH_FILE -lt $THRESHOLD_SIZE |
| # Check that resource is served with small Cache-Control header (since |
| # we cannot cache-extend resources served under the original URL). |
| # Note: tr -d '\r' is needed because HTTP spec requires lines to end in \r\n, |
| # but sed does not treat that as $. |
| echo sed -n 's/Cache-Control: max-age=\([0-9]*\)$/\1/p' $FETCH_FILE |
| check [ "$(tr -d '\r' < $FETCH_FILE | \ |
| sed -n 's/Cache-Control: max-age=\([0-9]*\)$/\1/p')" \ |
| -lt 1000 ] |
| |
| # Check that the original image is greater than threshold to begin with. |
| check $WGET_DUMP -O $FETCHED $URL?PageSpeed=off |
| check_file_size $FETCHED -gt $THRESHOLD_SIZE |
