ceph/src/rocksdb/coverage/coverage_test.sh

   1 #!/usr/bin/env bash
   2 # Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
   3
   4 # Exit on error.
   5 set -e
   6
   7 if [ -n "$USE_CLANG" ]; then
   8   echo "Error: Coverage test is supported only for gcc."
   9   exit 1
  10 fi
  11
  12 ROOT=".."
  13 # Fetch right version of gcov
  14 if [ -d /mnt/gvfs/third-party -a -z "$CXX" ]; then
  15   source $ROOT/build_tools/fbcode_config_platform007.sh
  16   GCOV=$GCC_BASE/bin/gcov
  17 else
  18   GCOV=$(which gcov)
  19 fi
  20 echo -e "Using $GCOV"
  21
  22 COVERAGE_DIR="$PWD/COVERAGE_REPORT"
  23 mkdir -p $COVERAGE_DIR
  24
  25 # Find all gcno files to generate the coverage report
  26
  27 PYTHON=${1:-`which python`}
  28 echo -e "Using $PYTHON"
  29 GCNO_FILES=`find $ROOT -name "*.gcno"`
  30 $GCOV --preserve-paths --relative-only --no-output $GCNO_FILES 2>/dev/null |
  31   # Parse the raw gcov report to more human readable form.
  32   $PYTHON $ROOT/coverage/parse_gcov_output.py |
  33   # Write the output to both stdout and report file.
  34   tee $COVERAGE_DIR/coverage_report_all.txt &&
  35 echo -e "Generated coverage report for all files: $COVERAGE_DIR/coverage_report_all.txt\n"
  36
  37 # TODO: we also need to get the files of the latest commits.
  38 # Get the most recently committed files.
  39 LATEST_FILES=`
  40   git show --pretty="format:" --name-only HEAD |
  41   grep -v "^$" |
  42   paste -s -d,`
  43 RECENT_REPORT=$COVERAGE_DIR/coverage_report_recent.txt
  44
  45 echo -e "Recently updated files: $LATEST_FILES\n" > $RECENT_REPORT
  46 $GCOV --preserve-paths --relative-only --no-output $GCNO_FILES 2>/dev/null |
  47   $PYTHON $ROOT/coverage/parse_gcov_output.py -interested-files $LATEST_FILES |
  48   tee -a $RECENT_REPORT &&
  49 echo -e "Generated coverage report for recently updated files: $RECENT_REPORT\n"
  50
  51 # Unless otherwise specified, we'll not generate html report by default
  52 if [ -z "$HTML" ]; then
  53   exit 0
  54 fi
  55
  56 # Generate the html report. If we cannot find lcov in this machine, we'll simply
  57 # skip this step.
  58 echo "Generating the html coverage report..."
  59
  60 LCOV=$(which lcov || true 2>/dev/null)
  61 if [ -z $LCOV ]
  62 then
  63   echo "Skip: Cannot find lcov to generate the html report."
  64   exit 0
  65 fi
  66
  67 LCOV_VERSION=$(lcov -v | grep 1.1 || true)
  68 if [ $LCOV_VERSION ]
  69 then
  70   echo "Not supported lcov version. Expect lcov 1.1."
  71   exit 0
  72 fi
  73
  74 (cd $ROOT; lcov --no-external \
  75      --capture  \
  76      --directory $PWD \
  77      --gcov-tool $GCOV \
  78      --output-file $COVERAGE_DIR/coverage.info)
  79
  80 genhtml $COVERAGE_DIR/coverage.info -o $COVERAGE_DIR
  81
  82 echo "HTML Coverage report is generated in $COVERAGE_DIR"