releaser-pleaser/internal/testutils/git.go

126 lines
2.9 KiB
Go

package testutils
import (
"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"
"github.com/stretchr/testify/require"
)
var (
author = &object.Signature{
Name: "releaser-pleaser",
When: time.Date(2020, 01, 01, 01, 01, 01, 01, time.UTC),
}
)
type CommitOption func(*commitOptions)
type commitOptions struct {
cleanFiles bool
files []commitFile
tags []string
}
type commitFile struct {
path string
content string
}
type Commit func(*testing.T, *git.Repository) error
type Repo func(*testing.T) *git.Repository
func WithCommit(message string, options ...CommitOption) Commit {
return func(t *testing.T, repo *git.Repository) error {
t.Helper()
require.NotEmpty(t, message, "commit message is required")
opts := &commitOptions{}
for _, opt := range options {
opt(opts)
}
wt, err := repo.Worktree()
require.NoError(t, err)
// Yeet all files
if opts.cleanFiles {
files, err := wt.Filesystem.ReadDir(".")
require.NoError(t, err, "failed to get current files")
for _, fileInfo := range files {
err = wt.Filesystem.Remove(fileInfo.Name())
require.NoError(t, err, "failed to remove file %q", fileInfo.Name())
}
}
// Create new files
for _, fileInfo := range opts.files {
file, err := wt.Filesystem.Create(fileInfo.path)
require.NoError(t, err, "failed to create file %q", fileInfo.path)
_, err = file.Write([]byte(fileInfo.content))
file.Close()
require.NoError(t, err, "failed to write content to file %q", fileInfo.path)
}
// Commit
commitHash, err := wt.Commit(message, &git.CommitOptions{
All: true,
AllowEmptyCommits: true,
Author: author,
Committer: author,
})
require.NoError(t, err, "failed to commit")
// Create tags
for _, tagName := range opts.tags {
_, err = repo.CreateTag(tagName, commitHash, nil)
require.NoError(t, err, "failed to create tag %q", tagName)
}
return nil
}
}
func WithFile(path, content string) CommitOption {
return func(opts *commitOptions) {
opts.files = append(opts.files, commitFile{path: path, content: content})
}
}
func WithCleanFiles() CommitOption {
return func(opts *commitOptions) {
opts.cleanFiles = true
}
}
func WithTag(name string) CommitOption {
return func(opts *commitOptions) {
opts.tags = append(opts.tags, name)
}
}
func WithTestRepo(commits ...Commit) Repo {
return func(t *testing.T) *git.Repository {
t.Helper()
repo, err := git.Init(memory.NewStorage(), memfs.New())
require.NoError(t, err, "failed to create in-memory repository")
// Make initial commit
err = WithCommit("chore: init")(t, repo)
require.NoError(t, err, "failed to create init commit")
for i, commit := range commits {
err = commit(t, repo)
require.NoError(t, err, "failed to create commit %d", i)
}
return repo
}
}