blob: 7dcb702a4472bfa1f87400beb7ba73e7be919fc3 [file] [log] [blame]
#!/bin/bash
# Copyright 2018 Google LLC
#
# 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
#
# https://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.
# Prow may not create artifacts folder in advance.
mkdir -p "$ARTIFACTS"
# KUnit repos based on upstream have a default kunitconfig; we can check for
# that to see if we are running a repo based on upstream or not.
#
# TODO(brendanhiggins): handle the case where .kunitconfig is stored in .kunit/
# when that happens.
if [[ -f ./arch/um/configs/kunit_defconfig ]]; then
if [[ ! -f .kunitconfig ]]; then
cp ./arch/um/configs/kunit_defconfig .kunitconfig
fi
cp .kunitconfig .config
else
if [[ ! -f ./kunitconfig ]]; then
cp /kunitconfig ./kunitconfig
fi
cp kunitconfig .config
fi
# Add correct configs to .config to make GCOV flags work
echo -e "CONFIG_DEBUG_KERNEL=y\nCONFIG_DEBUG_INFO=y\nCONFIG_GCOV=y" >> .config
# Run the KUnit tool unit tests
if [[ -f ./tools/testing/kunit/kunit_test.py ]]; then
python3 ./tools/testing/kunit/kunit_test.py > "$ARTIFACTS/kunit_test.log" 2>&1
else # for upstream version
python3 ./tools/testing/kunit/kunit_tool_test.py > "$ARTIFACTS/kunit_test.log" 2>&1
fi
KUNIT_TEST_EXIT_CODE=$?
# Build and run kernel, parse output, and send details to output log
python3 ./tools/testing/kunit/kunit.py run > "$ARTIFACTS/kunit.log" 2>&1
KUNIT_EXIT_CODE=$?
# Generate an HTML coverage report using LCOV
# TODO(mariaignacio): Have LCOV_FILTER be default until we can specify the state
LCOV_FILTER=1
if [[ $LCOV_FILTER -eq 1 ]]; then
# Generate a list of recently modified directories, "-d <dirname> ..."
# Note: the final `xargs` joins all the lines together.
DIRNAMES=$(git diff --name-only HEAD~ | xargs dirname | sort -u | sed -e 's/^/-d /' | xargs)
lcov -t "kunit_presubmit_tests" -o coverage.info -c ${DIRNAMES} --no-recursion \
> "$ARTIFACTS/lcov.log" 2>&1
else
lcov -t "kunit_presubmit_tests" -o coverage.info -c -d . > "$ARTIFACTS/lcov.log" 2>&1
fi
genhtml -o "$ARTIFACTS/coverage_html" coverage.info --css-file /lcov/lcov.css > "$ARTIFACTS/genhtml.log" 2>&1
GENHTML_EXIT_CODE=$?
if [[ $GENHTML_EXIT_CODE -eq 0 ]]; then
# Overwrite the pixel images in coverage_html
cp /lcov/emerald.png "$ARTIFACTS/coverage_html"
cp /lcov/ruby.png "$ARTIFACTS/coverage_html"
fi
if [[ $KUNIT_TEST_EXIT_CODE -ne 0 ]]; then
echo "KUnit Tool Presubmit Failed:"
echo "============================="
cat "$ARTIFACTS/kunit_test.log"
echo "============================="
fi
echo
if [[ $KUNIT_EXIT_CODE -ne 0 ]]; then
echo "KUnit Presubmit Failed:"
else
echo "KUnit Presubmit Succeeded:"
fi
echo
if [[ $GENHTML_EXIT_CODE -ne 0 ]]; then
echo "Coverage Report Generation Failed:"
echo "============================="
cat "$ARTIFACTS/lcov.log"
echo "============================="
cat "$ARTIFACTS/genhtml.log"
echo "============================="
else
awk '/Overall coverage rate:/,EOF' "$ARTIFACTS/genhtml.log"
echo "Incremental line coverage: $(/incremental_coverage coverage.info)%"
fi
echo "============================="
cat "$ARTIFACTS/kunit.log"
echo "============================="
if [[ $KUNIT_TEST_EXIT_CODE -ne 0 || $KUNIT_EXIT_CODE -ne 0 ]]; then
exit 1
fi