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package gittest
import (
"bytes"
"os/exec"
"path/filepath"
"strconv"
"strings"
"testing"
"time"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/gitaly/internal/git"
"gitlab.com/gitlab-org/gitaly/internal/gitaly/config"
"gitlab.com/gitlab-org/gitaly/internal/helper/text"
)
// GitObjectMustExist is a test assertion that fails unless the git repo in repoPath contains sha
func GitObjectMustExist(t testing.TB, gitBin, repoPath, sha string) {
gitObjectExists(t, gitBin, repoPath, sha, true)
}
// GitObjectMustNotExist is a test assertion that fails unless the git repo in repoPath contains sha
func GitObjectMustNotExist(t testing.TB, gitBin, repoPath, sha string) {
gitObjectExists(t, gitBin, repoPath, sha, false)
}
func gitObjectExists(t testing.TB, gitBin, repoPath, sha string, exists bool) {
cmd := exec.Command(gitBin, "-C", repoPath, "cat-file", "-e", sha)
cmd.Env = []string{
"GIT_ALLOW_PROTOCOL=", // To prevent partial clone reaching remote repo over SSH
}
if exists {
require.NoError(t, cmd.Run(), "checking for object should succeed")
return
}
require.Error(t, cmd.Run(), "checking for object should fail")
}
// GetGitObjectDirSize gets the number of 1k blocks of a git object directory
func GetGitObjectDirSize(t testing.TB, repoPath string) int64 {
return getGitDirSize(t, repoPath, "objects")
}
// GetGitPackfileDirSize gets the number of 1k blocks of a git object directory
func GetGitPackfileDirSize(t testing.TB, repoPath string) int64 {
return getGitDirSize(t, repoPath, "objects", "pack")
}
func getGitDirSize(t testing.TB, repoPath string, subdirs ...string) int64 {
cmd := exec.Command("du", "-s", "-k", filepath.Join(append([]string{repoPath}, subdirs...)...))
output, err := cmd.Output()
require.NoError(t, err)
if len(output) < 2 {
t.Error("invalid output of du -s -k")
}
outputSplit := strings.SplitN(string(output), "\t", 2)
blocks, err := strconv.ParseInt(outputSplit[0], 10, 64)
require.NoError(t, err)
return blocks
}
// WriteBlobs writes n distinct blobs into the git repository's object
// database. Each object has the current time in nanoseconds as contents.
func WriteBlobs(t testing.TB, cfg config.Cfg, testRepoPath string, n int) []string {
var blobIDs []string
for i := 0; i < n; i++ {
contents := []byte(strconv.Itoa(time.Now().Nanosecond()))
blobIDs = append(blobIDs, WriteBlob(t, cfg, testRepoPath, contents).String())
}
return blobIDs
}
// WriteBlob writes the given contents as a blob into the repository and returns its OID.
func WriteBlob(t testing.TB, cfg config.Cfg, testRepoPath string, contents []byte) git.ObjectID {
hex := text.ChompBytes(ExecStream(t, cfg, bytes.NewReader(contents), "-C", testRepoPath, "hash-object", "-w", "--stdin"))
oid, err := git.NewObjectIDFromHex(hex)
require.NoError(t, err)
return oid
}
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