image-automation-controller/controllers/git_test.go

108 lines
2.2 KiB
Go

package controllers
import (
"io/ioutil"
"os"
"path/filepath"
"testing"
"time"
"github.com/go-git/go-billy/v5/memfs"
"github.com/go-git/go-git/v5"
"github.com/go-git/go-git/v5/plumbing/object"
"github.com/go-git/go-git/v5/storage/memory"
)
func populateRepoFromFixture(repo *git.Repository, fixture string) error {
working, err := repo.Worktree()
if err != nil {
return err
}
fs := working.Filesystem
if err = filepath.Walk(fixture, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if info.IsDir() {
return fs.MkdirAll(fs.Join(path[len(fixture):]), info.Mode())
}
// copy symlinks as-is, so I can test what happens with broken symlinks
if info.Mode()&os.ModeSymlink > 0 {
target, err := os.Readlink(path)
if err != nil {
return err
}
return fs.Symlink(target, path[len(fixture):])
}
fileBytes, err := ioutil.ReadFile(path)
if err != nil {
return err
}
ff, err := fs.Create(path[len(fixture):])
if err != nil {
return err
}
defer ff.Close()
_, err = ff.Write(fileBytes)
return err
}); err != nil {
return err
}
_, err = working.Add(".")
if err != nil {
return err
}
if _, err = working.Commit("Initial revision from "+fixture, &git.CommitOptions{
Author: &object.Signature{
Name: "Testbot",
Email: "test@example.com",
When: time.Now(),
},
}); err != nil {
return err
}
return nil
}
func TestRepoForFixture(t *testing.T) {
repo, err := git.Init(memory.NewStorage(), memfs.New())
if err != nil {
t.Fatal(err)
}
err = populateRepoFromFixture(repo, "testdata/pathconfig")
if err != nil {
t.Error(err)
}
}
func TestIgnoreBrokenSymlink(t *testing.T) {
// init a git repo in the filesystem so we can operate on files there
tmp, err := ioutil.TempDir("", "flux-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmp)
repo, err := git.PlainInit(tmp, false)
if err != nil {
t.Fatal(err)
}
err = populateRepoFromFixture(repo, "testdata/brokenlink")
if err != nil {
t.Fatal(err)
}
_, err = commitChangedManifests(repo, tmp, nil, nil, "unused")
if err != errNoChanges {
t.Fatalf("expected no changes but got: %v", err)
}
}