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Reduce integration test overhead (#32475)

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In profiling integration tests, I found a couple places where per-test
overhead could be reduced:

* Avoiding disk IO by synchronizing instead of deleting & copying test
Git repository data. This saves ~100ms per test on my machine
* When flushing queues in `PrintCurrentTest`, invoke `FlushWithContext`
in a parallel.

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
This commit is contained in:
Rowan Bohde
2024-11-14 13:28:46 -06:00
committed by GitHub
parent 249e67672a
commit 68731c07c5
102 changed files with 104 additions and 465 deletions
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102
models/unittest/fscopy.go
View File

@ -4,10 +4,8 @@
package unittest
import (
"errors"
"io"
"os"
"path"
"path/filepath"
"strings"
"code.gitea.io/gitea/modules/util"
@ -32,67 +30,73 @@ func Copy(src, dest string) error {
return os.Symlink(target, dest)
}
sr, err := os.Open(src)
if err != nil {
return err
}
defer sr.Close()
dw, err := os.Create(dest)
if err != nil {
return err
}
defer dw.Close()
if _, err = io.Copy(dw, sr); err != nil {
return err
}
// Set back file information.
if err = os.Chtimes(dest, si.ModTime(), si.ModTime()); err != nil {
return err
}
return os.Chmod(dest, si.Mode())
return util.CopyFile(src, dest)
}
// CopyDir copy files recursively from source to target directory.
//
// The filter accepts a function that process the path info.
// and should return true for need to filter.
//
// It returns error when error occurs in underlying functions.
func CopyDir(srcPath, destPath string, filters ...func(filePath string) bool) error {
// Check if target directory exists.
if _, err := os.Stat(destPath); !errors.Is(err, os.ErrNotExist) {
return util.NewAlreadyExistErrorf("file or directory already exists: %s", destPath)
// Sync synchronizes the two files. This is skipped if both files
// exist and the size, modtime, and mode match.
func Sync(srcPath, destPath string) error {
dest, err := os.Stat(destPath)
if err != nil {
if os.IsNotExist(err) {
return Copy(srcPath, destPath)
}
return err
}
src, err := os.Stat(srcPath)
if err != nil {
return err
}
if src.Size() == dest.Size() &&
src.ModTime() == dest.ModTime() &&
src.Mode() == dest.Mode() {
return nil
}
return Copy(srcPath, destPath)
}
// SyncDirs synchronizes files recursively from source to target directory.
// It returns error when error occurs in underlying functions.
func SyncDirs(srcPath, destPath string) error {
err := os.MkdirAll(destPath, os.ModePerm)
if err != nil {
return err
}
// Gather directory info.
infos, err := util.StatDir(srcPath, true)
// find and delete all untracked files
destFiles, err := util.StatDir(destPath, true)
if err != nil {
return err
}
var filter func(filePath string) bool
if len(filters) > 0 {
filter = filters[0]
for _, destFile := range destFiles {
destFilePath := filepath.Join(destPath, destFile)
if _, err = os.Stat(filepath.Join(srcPath, destFile)); err != nil {
if os.IsNotExist(err) {
// if src file does not exist, remove dest file
if err = os.RemoveAll(destFilePath); err != nil {
return err
}
} else {
return err
}
}
}
for _, info := range infos {
if filter != nil && filter(info) {
continue
}
curPath := path.Join(destPath, info)
if strings.HasSuffix(info, "/") {
err = os.MkdirAll(curPath, os.ModePerm)
// sync src files to dest
srcFiles, err := util.StatDir(srcPath, true)
if err != nil {
return err
}
for _, srcFile := range srcFiles {
destFilePath := filepath.Join(destPath, srcFile)
// util.StatDir appends a slash to the directory name
if strings.HasSuffix(srcFile, "/") {
err = os.MkdirAll(destFilePath, os.ModePerm)
} else {
err = Copy(path.Join(srcPath, info), curPath)
err = Sync(filepath.Join(srcPath, srcFile), destFilePath)
}
if err != nil {
return err