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#!/bin/bash
##############################################################################
# Copyright 2015: Mirantis Inc.
# 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.
# yardstick comment: this is a modified copy of
# rally/tests/ci/cover.sh
##############################################################################
if [[ -n $COVER_DIR_NAME ]]; then
:
elif [[ -n $_ ]]; then
COVER_DIR_NAME=$( dirname $_ )
else
COVER_DIR_NAME=$( dirname $0 )
fi
show_diff () {
diff -U 0 $1 $2 | awk -f $COVER_DIR_NAME/cover.awk
}
run_coverage_test() {
ALLOWED_EXTRA_MISSING=10
# enable debugging
set -x
# Stash uncommitted changes, checkout master and save coverage report
uncommited=$(git status --porcelain | grep -v "^??")
[[ -n ${uncommited} ]] && git stash > /dev/null
git checkout HEAD^
baseline_report=$(mktemp -t yardstick_coverageXXXXXXX)
find . -type f -name "*.pyc" -delete
coverage erase
coverage run -p -m unittest discover ./yardstick/tests/unit
coverage combine
coverage report > ${baseline_report}
coverage erase
# debug awk
tail -1 ${baseline_report}
baseline_missing=$(awk 'END { if (int($3) > 0) print $3 }' ${baseline_report})
if [[ -z $baseline_missing ]]; then
echo "Failed to determine baseline missing"
exit 1
fi
# Checkout back and unstash uncommitted changes (if any)
git checkout -
[[ -n ${uncommited} ]] && git stash pop > /dev/null
# Generate and save coverage report
current_report=$(mktemp -t yardstick_coverageXXXXXXX)
find . -type f -name "*.pyc" -delete
coverage run -p -m unittest discover ./yardstick/tests/unit
coverage combine
coverage report > ${current_report}
coverage erase
rm -rf cover-$PY_VER
coverage html -d cover-$PY_VER
# debug awk
tail -1 ${current_report}
current_missing=$(awk 'END { if (int($3) > 0) print $3 }' ${current_report})
if [[ -z $current_missing ]]; then
echo "Failed to determine current missing"
exit 1
fi
# Show coverage details
new_missing=$((current_missing - baseline_missing))
echo "Missing lines allowed to introduce : ${ALLOWED_EXTRA_MISSING}"
echo "Missing lines introduced : ${new_missing}"
echo "Missing lines in master : ${baseline_missing}"
echo "Missing lines in proposed change : ${current_missing}"
if [[ ${new_missing} -gt ${ALLOWED_EXTRA_MISSING} ]];
then
show_diff ${baseline_report} ${current_report}
echo "Please write more unit tests, we should keep our test coverage :( "
rm ${baseline_report} ${current_report}
exit 1
elif [[ ${new_missing} -gt 0 ]];
then
show_diff ${baseline_report} ${current_report}
echo "I believe you can cover all your code with 100% coverage!"
else
echo "Thank you! You are awesome! Keep writing unit tests! :)"
fi
rm ${baseline_report} ${current_report}
}
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