| #!/bin/bash |
| |
| # Copyright 2016 The Bazel Authors. All rights reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| # Wrapper script for collecting code coverage during test execution. |
| # |
| # Expected environment: |
| # COVERAGE_MANIFEST - mandatory, location of the instrumented file manifest |
| # LCOV_MERGER - mandatory, location of the LcovMerger |
| # COVERAGE_DIR - optional, location of the coverage temp directory |
| # COVERAGE_OUTPUT_FILE - optional, location of the final lcov file |
| # |
| # Script expects that it will be started in the execution root directory and |
| # not in the test's runfiles directory. |
| |
| if [[ -z "$COVERAGE_MANIFEST" ]]; then |
| echo -- |
| echo Coverage runner: \$COVERAGE_MANIFEST is not set |
| echo Current environment: |
| env | sort |
| exit 1 |
| fi |
| |
| # When collect_coverage.sh is used, test runner must be instructed not to cd |
| # to the test's runfiles directory. |
| ROOT="$PWD" |
| |
| if [[ "$COVERAGE_MANIFEST" != /* ]]; then |
| # Canonicalize the path to coverage manifest so that tests can find it. |
| export COVERAGE_MANIFEST="$ROOT/$COVERAGE_MANIFEST" |
| fi |
| |
| # write coverage data outside of the runfiles tree |
| export COVERAGE_DIR=${COVERAGE_DIR:-"$ROOT/coverage"} |
| # make COVERAGE_DIR an absolute path |
| if ! [[ $COVERAGE_DIR == $ROOT* ]]; then |
| COVERAGE_DIR=$ROOT/$COVERAGE_DIR |
| fi |
| |
| mkdir -p "$COVERAGE_DIR" |
| COVERAGE_OUTPUT_FILE=${COVERAGE_OUTPUT_FILE:-"$COVERAGE_DIR/_coverage.dat"} |
| # make COVERAGE_OUTPUT_FILE an absolute path |
| if ! [[ $COVERAGE_OUTPUT_FILE == $ROOT* ]]; then |
| COVERAGE_OUTPUT_FILE=$ROOT/$COVERAGE_OUTPUT_FILE |
| fi |
| |
| |
| # Java |
| # -------------------------------------- |
| export JAVA_COVERAGE_FILE=$COVERAGE_DIR/jvcov.dat |
| # Let tests know that it is a coverage run |
| export COVERAGE=1 |
| export BULK_COVERAGE_RUN=1 |
| |
| |
| # Only check if file exists when LCOV_MERGER is set |
| if [[ ! -z "$LCOV_MERGER" ]]; then |
| for name in "$LCOV_MERGER"; do |
| if [[ ! -e $name ]]; then |
| echo -- |
| echo Coverage runner: cannot locate file $name |
| exit 1 |
| fi |
| done |
| fi |
| |
| |
| cd "$TEST_SRCDIR" |
| "$@" |
| TEST_STATUS=$? |
| |
| # If LCOV_MERGER is not set, coverage is not supported. |
| if [[ -z "$LCOV_MERGER" ]]; then |
| exit $TEST_STATUS |
| fi |
| |
| |
| # always create output files |
| touch $COVERAGE_OUTPUT_FILE |
| |
| if [[ $TEST_STATUS -ne 0 ]]; then |
| echo -- |
| echo Coverage runner: Not collecting coverage for failed test. |
| echo The following commands failed with status $TEST_STATUS |
| echo "$@" |
| exit $TEST_STATUS |
| fi |
| |
| cd $ROOT |
| |
| export LCOV_MERGER_CMD="java -jar ${LCOV_MERGER} --coverage_dir=${COVERAGE_DIR} \ |
| --output_file=${COVERAGE_OUTPUT_FILE}" |
| |
| |
| if [[ $DISPLAY_LCOV_CMD ]] ; then |
| echo "Running lcov_merger" |
| echo $LCOV_MERGER_CMD |
| echo "-----------------" |
| fi |
| |
| exec $LCOV_MERGER_CMD |