#!/usr/bin/env bash
set -e
set -o xtrace

export CARGO_TARGET_DIR="coverage-target"
export ZEBRA_SKIP_NETWORK_TESTS=1
export LLVM_PROFILE_FILE="${PWD}/$CARGO_TARGET_DIR/coverage/test.%m.profraw"
export RUSTFLAGS="-Zinstrument-coverage -C link-dead-code -C debuginfo=2"

rm -rf ./"$CARGO_TARGET_DIR"/coverage
mkdir -p ./$CARGO_TARGET_DIR/coverage
cargo +nightly test
cargo +nightly test --no-run --message-format=json | jq -r "select(.profile.test == true) | .filenames[]" | grep -v dSYM - > ./$CARGO_TARGET_DIR/files.txt
$(rustc +nightly --print target-libdir)/../bin/llvm-profdata merge ./$CARGO_TARGET_DIR/coverage/test.*.profraw -o ./$CARGO_TARGET_DIR/coverage/test.profdata

rm -rf ./$CARGO_TARGET_DIR/coverage/html/

$(rustc +nightly --print target-libdir)/../bin/llvm-cov show \
	-format=html \
	-Xdemangler=rustfilt \
	-show-instantiations \
	-output-dir=./$CARGO_TARGET_DIR/coverage/html \
	-ignore-filename-regex=".*/.cargo/registry/.*" \
	-ignore-filename-regex=".*/.cargo/git/.*" \
	-ignore-filename-regex=".*/.rustup/.*" \
	-instr-profile=./$CARGO_TARGET_DIR/coverage/test.profdata \
	$(printf -- "-object %s " $(cat ./$CARGO_TARGET_DIR/files.txt))

$(rustc +nightly --print target-libdir)/../bin/llvm-cov export \
	-format=lcov \
	-instr-profile=./$CARGO_TARGET_DIR/coverage/test.profdata \
	$(printf -- "-object %s " $(cat ./$CARGO_TARGET_DIR/files.txt)) > "./$CARGO_TARGET_DIR/coverage/lcov.info"

xdg-open ./$CARGO_TARGET_DIR/coverage/html/index.html