#!/bin/bash
# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.

set -e

if ! command -v grcov > /dev/null; then
  cargo install grcov
fi

if ! command -v llvm-profdata > /dev/null; then
  rustup component add llvm-tools-preview
fi

#export LLVM_PROFILE_FILE='target/cargo-test-%p-%m.profraw'
#export CARGO_INCREMENTAL=1
#export RUSTFLAGS='-Cinstrument-coverage'

echo "Building with instrumentation"
cargo build --all-targets

if [ "$1" == "--no-run" ]; then
    exit 0
fi

# Remove existing coverage information.
rm -f target/*.profraw
rm -rf target/coverage
mkdir -p target/coverage

echo "Running tests"
cargo test

# Generate html
grcov target/ --binary-path ./target/x86_64-unknown-linux-musl/debug/deps -s src/ -t html \
--branch --ignore-not-existing --ignore '../*' --ignore "/*" -o target/coverage/html

if [ "$1" == "--show" ]; then
    echo "Opening report in browser"
    xdg-open target/coverage/html/index.html 2>/dev/null
    echo "Done"
fi

# Generate markdown
grcov target/ --binary-path ./target/x86_64-unknown-linux-musl/debug/deps -s src/ -t markdown \
--branch --ignore-not-existing --ignore '../*' --ignore "/*" -o target/coverage/markdown
cat target/coverage/markdown

#TODO: Maybe use coveralls format (json) and query data to lockdown code coverage.