ceph/src/rocksdb/coverage/coverage_test.sh

   1 #!/bin/bash
   2
   3 # Exit on error.
   4 set -e
   5
   6 if [ -n "$USE_CLANG" ]; then
   7   echo "Error: Coverage test is supported only for gcc."
   8   exit 1
   9 fi
  10
  11 ROOT=".."
  12 # Fetch right version of gcov
  13 if [ -d /mnt/gvfs/third-party -a -z "$CXX" ]; then
  14   source $ROOT/build_tools/fbcode_config.sh
  15   GCOV=$GCC_BASE/bin/gcov
  16 else
  17   GCOV=$(which gcov)
  18 fi
  19
  20 COVERAGE_DIR="$PWD/COVERAGE_REPORT"
  21 mkdir -p $COVERAGE_DIR
  22
  23 # Find all gcno files to generate the coverage report
  24
  25 GCNO_FILES=`find $ROOT -name "*.gcno"`
  26 $GCOV --preserve-paths --relative-only --no-output $GCNO_FILES 2>/dev/null |
  27   # Parse the raw gcov report to more human readable form.
  28   python $ROOT/coverage/parse_gcov_output.py |
  29   # Write the output to both stdout and report file.
  30   tee $COVERAGE_DIR/coverage_report_all.txt &&
  31 echo -e "Generated coverage report for all files: $COVERAGE_DIR/coverage_report_all.txt\n"
  32
  33 # TODO: we also need to get the files of the latest commits.
  34 # Get the most recently committed files.
  35 LATEST_FILES=`
  36   git show --pretty="format:" --name-only HEAD |
  37   grep -v "^$" |
  38   paste -s -d,`
  39 RECENT_REPORT=$COVERAGE_DIR/coverage_report_recent.txt
  40
  41 echo -e "Recently updated files: $LATEST_FILES\n" > $RECENT_REPORT
  42 $GCOV --preserve-paths --relative-only --no-output $GCNO_FILES 2>/dev/null |
  43   python $ROOT/coverage/parse_gcov_output.py -interested-files $LATEST_FILES |
  44   tee -a $RECENT_REPORT &&
  45 echo -e "Generated coverage report for recently updated files: $RECENT_REPORT\n"
  46
  47 # Unless otherwise specified, we'll not generate html report by default
  48 if [ -z "$HTML" ]; then
  49   exit 0
  50 fi
  51
  52 # Generate the html report. If we cannot find lcov in this machine, we'll simply
  53 # skip this step.
  54 echo "Generating the html coverage report..."
  55
  56 LCOV=$(which lcov || true 2>/dev/null)
  57 if [ -z $LCOV ]
  58 then
  59   echo "Skip: Cannot find lcov to generate the html report."
  60   exit 0
  61 fi
  62
  63 LCOV_VERSION=$(lcov -v | grep 1.1 || true)
  64 if [ $LCOV_VERSION ]
  65 then
  66   echo "Not supported lcov version. Expect lcov 1.1."
  67   exit 0
  68 fi
  69
  70 (cd $ROOT; lcov --no-external \
  71      --capture  \
  72      --directory $PWD \
  73      --gcov-tool $GCOV \
  74      --output-file $COVERAGE_DIR/coverage.info)
  75
  76 genhtml $COVERAGE_DIR/coverage.info -o $COVERAGE_DIR
  77
  78 echo "HTML Coverage report is generated in $COVERAGE_DIR"