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37 lines
1 KiB
Text
37 lines
1 KiB
Text
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#!/bin/bash
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# Copyright 2020 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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#
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# Calculates coverage for the specified crate only
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# Usage:
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# $ ./bin/crate_coverage arch [additional arguments for cargo test]
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# Requirements:
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# $ rustup toolchain install nightly
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# $ cargo install grcov rust-covfix
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set -ex
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cd "${0%/*}/../"
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target_dir=$(
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cargo metadata --no-deps --format-version 1 |
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jq -r ".target_directory"
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)
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# Delete old coverage profiles
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find "$target_dir/debug" -name "*.gcda" -delete
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# Run test with coverage profiling
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(cd $1 && CARGO_INCREMENTAL=0 \
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RUSTFLAGS="-Zprofile -Ccodegen-units=1 -Copt-level=0 -Coverflow-checks=off \
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-Zpanic_abort_tests" \
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cargo +nightly test "${@:2}")
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# Calculate code coverage
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grcov "$target_dir/debug" -s . \
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--ignore "/*" --ignore-not-existing \
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-t lcov --llvm --branch \
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-o /tmp/lcov.info
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# Apply code coverage fixes
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rust-covfix /tmp/lcov.info >lcov.info
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