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#!/usr/bin/env bash
set -e
set -o pipefail
if [ -z ${WITH_COVERAGE} ] ; then
echo "WITH_COVERAGE environment variable is not set, aborting."
exit 1
fi
SOURCE_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")/../"; pwd)
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
# Build unit tests
make test
# Zero coverage counters
lcov \
--quiet \
--zerocounters \
--directory "${SOURCE_DIR}" \
--output-file "${SOURCE_DIR}/coverage.info" \
>/dev/null 2>&1
# Run all unit tests
make run-test
# Collect coverage data and save it into coverage.info
echo "Collecting coverage data..."
lcov \
--quiet \
--capture \
--no-external \
--directory "${SOURCE_DIR}" \
--output-file "${SOURCE_DIR}/coverage.info" \
>/dev/null 2>&1
# Remove coverage data for unwanted files from a tracefile
lcov \
--quiet \
--remove "${SOURCE_DIR}/coverage.info" \
"${SOURCE_DIR}/vendor/*" \
"${SOURCE_DIR}/mason/*" \
"${SOURCE_DIR}/test/*" \
"/usr/include/*" \
--output-file "${SOURCE_DIR}/total_coverage.info" \
>/dev/null 2>&1
# Generate HTML report based on total_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 $(pwd -P) \
--output-directory "${SOURCE_DIR}/coverage" \
"${SOURCE_DIR}/total_coverage.info" \
>/dev/null 2>&1
echo "Coverage report is now available in ${SOURCE_DIR}/coverage/index.html"
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