rust/util/cov.sh

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#!/usr/bin/bash
# This run `kcov` on Clippy. The coverage report will be at
# `./target/cov/index.html`.
# `compile-test` is special. `kcov` does not work directly on it so these files
# are compiled manually.
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tests=$(find tests/ -maxdepth 1 -name '*.rs' ! -name compile-test.rs -exec basename {} .rs \;)
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tmpdir=$(mktemp -d)
cargo test --no-run --verbose
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for t in $tests; do
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kcov \
--verify \
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--include-path="$(pwd)/src,$(pwd)/clippy_lints/src" \
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"$tmpdir/$t" \
cargo test --test "$t"
done
for t in ./tests/compile-fail/*.rs; do
kcov \
--verify \
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--include-path="$(pwd)/src,$(pwd)/clippy_lints/src" \
"$tmpdir/compile-fail-$(basename "$t")" \
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cargo run -- -L target/debug -L target/debug/deps -Z no-trans "$t"
done
for t in ./tests/run-pass/*.rs; do
kcov \
--verify \
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--include-path="$(pwd)/src,$(pwd)/clippy_lints/src" \
"$tmpdir/run-pass-$(basename "$t")" \
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cargo run -- -L target/debug -L target/debug/deps -Z no-trans "$t"
done
kcov --verify --merge target/cov "$tmpdir"/*