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#!/usr/bin/env bash
set -e
set -o pipefail
if [ -z ${WITH_COVERAGE} ] ; then
echo "WITH_COVERAGE environment variable is not set, aborting."
exit 1
fi
directory=$1
function usage() {
echo "Error: LCOV and genhtml are required for generating coverage reports."
if [ `uname -s` = 'Linux' ]; then
echo "On Debian-based distros, you can install them via 'apt-get install lcov'"
elif [ `uname -s` = 'Darwin' ]; then
echo "On macOS, you can install them via 'brew install lcov'"
fi
exit 1
}
command -v lcov >/dev/null 2>&1 || usage
command -v genhtml >/dev/null 2>&1 || usage
# Zero coverage counters
lcov \
--quiet \
--zerocounters \
--directory "${directory}" \
--output-file "${directory}/coverage.info" \
>/dev/null 2>&1
# Run all unit tests
make
# Collect coverage data and save it into coverage.info
echo "Collecting coverage data..."
lcov \
--quiet \
--capture \
--no-external \
--directory "src/mbgl" \
--directory "platform" \
--directory "include/mbgl" \
--directory "${directory}" \
--base-directory "${directory}" \
--output-file "${directory}/coverage.info" \
>/dev/null 2>&1
# Generate HTML report based on coverage.info
echo "Generating HTML report..."
genhtml \
--quiet \
--show-details \
--keep-descriptions \
--function-coverage \
--no-branch-coverage \
--title "Mapbox GL Native" \
--num-spaces 4 \
--sort \
--demangle-cpp \
--prefix $(pwd -P) \
--output-directory "${directory}/coverage" \
"${directory}/coverage.info" \
>/dev/null 2>&1
echo "Coverage report is now available in ${directory}/coverage/index.html"
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