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47 lines
1.1 KiB
Plaintext
47 lines
1.1 KiB
Plaintext
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#!/bin/sh
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# Based on https://github.com/mlafeldt/chef-runner/blob/34269dbb726c243dff9764007e7bd7f0fe9ee331/script/coverage
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# Generate test coverage statistics for Go packages.
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#
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# Works around the fact that `go test -coverprofile` currently does not work
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# with multiple packages, see https://code.google.com/p/go/issues/detail?id=6909
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#
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# Usage: script/coverage [--html]
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#
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# --html Additionally create HTML report and open it in browser
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#
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set -e
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workdir=.cover
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profile="$workdir/cover.out"
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mode=count
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generate_cover_data() {
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rm -rf "$workdir"
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mkdir "$workdir"
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go test -i "$@" # compile dependencies first before serializing go test invocations
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for pkg in "$@"; do
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f="$workdir/$(echo $pkg | tr / -).cover"
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go test -covermode="$mode" -coverprofile="$f" "$pkg"
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done
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echo "mode: $mode" >"$profile"
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grep -h -v "^mode:" "$workdir"/*.cover >>"$profile"
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}
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show_cover_report() {
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go tool cover -${1}="$profile"
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}
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generate_cover_data $(go list ./... | grep -v /vendor/)
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show_cover_report func
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case "$1" in
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"")
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;;
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--html)
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show_cover_report html ;;
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*)
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echo >&2 "error: invalid option: $1"; exit 1 ;;
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esac
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