648464b504
* Add bundle download Signed-off-by: jolheiser <john.olheiser@gmail.com> * Fix fmt Signed-off-by: jolheiser <john.olheiser@gmail.com> * Fix build tags Signed-off-by: jolheiser <john.olheiser@gmail.com> * Download specific commit Signed-off-by: jolheiser <john.olheiser@gmail.com>
121 lines
3.2 KiB
Go
121 lines
3.2 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// Copyright (c) 2015, Wade Simmons
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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// gocovmerge takes the results from multiple `go test -coverprofile` runs and
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// merges them into one profile
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//go:build ignore
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// +build ignore
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package main
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import (
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"flag"
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"fmt"
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"io"
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"log"
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"os"
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"sort"
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"golang.org/x/tools/cover"
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)
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func mergeProfiles(p *cover.Profile, merge *cover.Profile) {
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if p.Mode != merge.Mode {
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log.Fatalf("cannot merge profiles with different modes")
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}
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// Since the blocks are sorted, we can keep track of where the last block
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// was inserted and only look at the blocks after that as targets for merge
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startIndex := 0
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for _, b := range merge.Blocks {
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startIndex = mergeProfileBlock(p, b, startIndex)
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}
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}
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func mergeProfileBlock(p *cover.Profile, pb cover.ProfileBlock, startIndex int) int {
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sortFunc := func(i int) bool {
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pi := p.Blocks[i+startIndex]
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return pi.StartLine >= pb.StartLine && (pi.StartLine != pb.StartLine || pi.StartCol >= pb.StartCol)
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}
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i := 0
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if sortFunc(i) != true {
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i = sort.Search(len(p.Blocks)-startIndex, sortFunc)
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}
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i += startIndex
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if i < len(p.Blocks) && p.Blocks[i].StartLine == pb.StartLine && p.Blocks[i].StartCol == pb.StartCol {
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if p.Blocks[i].EndLine != pb.EndLine || p.Blocks[i].EndCol != pb.EndCol {
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log.Fatalf("OVERLAP MERGE: %v %v %v", p.FileName, p.Blocks[i], pb)
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}
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switch p.Mode {
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case "set":
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p.Blocks[i].Count |= pb.Count
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case "count", "atomic":
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p.Blocks[i].Count += pb.Count
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default:
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log.Fatalf("unsupported covermode: '%s'", p.Mode)
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}
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} else {
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if i > 0 {
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pa := p.Blocks[i-1]
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if pa.EndLine >= pb.EndLine && (pa.EndLine != pb.EndLine || pa.EndCol > pb.EndCol) {
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log.Fatalf("OVERLAP BEFORE: %v %v %v", p.FileName, pa, pb)
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}
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}
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if i < len(p.Blocks)-1 {
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pa := p.Blocks[i+1]
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if pa.StartLine <= pb.StartLine && (pa.StartLine != pb.StartLine || pa.StartCol < pb.StartCol) {
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log.Fatalf("OVERLAP AFTER: %v %v %v", p.FileName, pa, pb)
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}
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}
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p.Blocks = append(p.Blocks, cover.ProfileBlock{})
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copy(p.Blocks[i+1:], p.Blocks[i:])
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p.Blocks[i] = pb
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}
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return i + 1
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}
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func addProfile(profiles []*cover.Profile, p *cover.Profile) []*cover.Profile {
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i := sort.Search(len(profiles), func(i int) bool { return profiles[i].FileName >= p.FileName })
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if i < len(profiles) && profiles[i].FileName == p.FileName {
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mergeProfiles(profiles[i], p)
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} else {
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profiles = append(profiles, nil)
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copy(profiles[i+1:], profiles[i:])
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profiles[i] = p
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}
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return profiles
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}
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func dumpProfiles(profiles []*cover.Profile, out io.Writer) {
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if len(profiles) == 0 {
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return
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}
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fmt.Fprintf(out, "mode: %s\n", profiles[0].Mode)
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for _, p := range profiles {
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for _, b := range p.Blocks {
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fmt.Fprintf(out, "%s:%d.%d,%d.%d %d %d\n", p.FileName, b.StartLine, b.StartCol, b.EndLine, b.EndCol, b.NumStmt, b.Count)
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}
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}
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}
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func main() {
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flag.Parse()
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var merged []*cover.Profile
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for _, file := range flag.Args() {
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profiles, err := cover.ParseProfiles(file)
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if err != nil {
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log.Fatalf("failed to parse profiles: %v", err)
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}
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for _, p := range profiles {
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merged = addProfile(merged, p)
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}
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}
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dumpProfiles(merged, os.Stdout)
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}
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