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|
package furgit
import (
"bytes"
"fmt"
"os"
"path/filepath"
"testing"
"time"
)
func TestCommitWrite(t *testing.T) {
repoPath, cleanup := setupTestRepo(t)
defer cleanup()
blobHash := gitHashObject(t, repoPath, "blob", []byte("content"))
repo, err := OpenRepository(repoPath)
if err != nil {
t.Fatalf("OpenRepository failed: %v", err)
}
defer func() {
_ = repo.Close()
}()
blobHashObj, _ := repo.ParseHash(blobHash)
tree := &Tree{
Entries: []TreeEntry{
{Mode: 0o100644, Name: []byte("file.txt"), ID: blobHashObj},
},
}
treeHash, _ := repo.WriteLooseObject(tree)
whenUnix := time.Date(2023, 11, 16, 12, 0, 0, 0, time.UTC).Unix()
commit := &Commit{
Tree: treeHash,
Author: Ident{
Name: []byte("Test Author"),
Email: []byte("test@example.org"),
WhenUnix: whenUnix,
OffsetMinutes: 0,
},
Committer: Ident{
Name: []byte("Test Committer"),
Email: []byte("committer@example.org"),
WhenUnix: whenUnix,
OffsetMinutes: 0,
},
Message: []byte("Initial commit\n"),
}
commitHash, err := repo.WriteLooseObject(commit)
if err != nil {
t.Fatalf("WriteLooseObject failed: %v", err)
}
gitType := string(gitCatFile(t, repoPath, "-t", commitHash.String()))
if gitType != "commit" {
t.Errorf("git type: got %q, want %q", gitType, "commit")
}
readObj, err := repo.ReadObject(commitHash)
if err != nil {
t.Fatalf("ReadObject failed after write: %v", err)
}
readCommit, ok := readObj.(*StoredCommit)
if !ok {
t.Fatalf("expected *StoredCommit, got %T", readObj)
}
if !bytes.HasPrefix(readCommit.Author.Name, []byte("Test Author")) {
t.Errorf("author name: got %q, want prefix %q", readCommit.Author.Name, "Test Author")
}
if !bytes.Equal(readCommit.Message, []byte("Initial commit\n")) {
t.Errorf("message: got %q, want %q", readCommit.Message, "Initial commit\n")
}
}
func TestCommitRead(t *testing.T) {
repoPath, cleanup := setupTestRepo(t)
defer cleanup()
workDir, cleanupWork := setupWorkDir(t)
defer cleanupWork()
err := os.WriteFile(filepath.Join(workDir, "file.txt"), []byte("content"), 0o644)
if err != nil {
t.Fatalf("failed to write file.txt: %v", err)
}
gitCmd(t, repoPath, nil, "--work-tree="+workDir, "add", ".")
gitCmd(t, repoPath, nil, "--work-tree="+workDir, "commit", "-m", "Test commit")
commitHash := gitCmd(t, repoPath, nil, "rev-parse", "HEAD")
repo, err := OpenRepository(repoPath)
if err != nil {
t.Fatalf("OpenRepository failed: %v", err)
}
defer func() {
_ = repo.Close()
}()
hash, _ := repo.ParseHash(commitHash)
obj, err := repo.ReadObject(hash)
if err != nil {
t.Fatalf("ReadObject failed: %v", err)
}
commit, ok := obj.(*StoredCommit)
if !ok {
t.Fatalf("expected *StoredCommit, got %T", obj)
}
if !bytes.HasPrefix(commit.Author.Name, []byte("Test Author")) {
t.Errorf("author name: got %q", commit.Author.Name)
}
if !bytes.Equal(commit.Author.Email, []byte("test@example.org")) {
t.Errorf("author email: got %q", commit.Author.Email)
}
if !bytes.Equal(commit.Message, []byte("Test commit\n")) {
t.Errorf("message: got %q", commit.Message)
}
if commit.ObjectType() != ObjectTypeCommit {
t.Errorf("ObjectType(): got %d, want %d", commit.ObjectType(), ObjectTypeCommit)
}
}
func TestCommitWithParents(t *testing.T) {
repoPath, cleanup := setupTestRepo(t)
defer cleanup()
workDir, cleanupWork := setupWorkDir(t)
defer cleanupWork()
err := os.WriteFile(filepath.Join(workDir, "file1.txt"), []byte("content1"), 0o644)
if err != nil {
t.Fatalf("failed to write file1.txt: %v", err)
}
gitCmd(t, repoPath, nil, "--work-tree="+workDir, "add", ".")
gitCmd(t, repoPath, nil, "--work-tree="+workDir, "commit", "-m", "First commit")
parent1Hash := gitCmd(t, repoPath, nil, "rev-parse", "HEAD")
err = os.WriteFile(filepath.Join(workDir, "file2.txt"), []byte("content2"), 0o644)
if err != nil {
t.Fatalf("failed to write file2.txt: %v", err)
}
gitCmd(t, repoPath, nil, "--work-tree="+workDir, "add", ".")
gitCmd(t, repoPath, nil, "--work-tree="+workDir, "commit", "-m", "Second commit")
parent2Hash := gitCmd(t, repoPath, nil, "rev-parse", "HEAD")
err = os.WriteFile(filepath.Join(workDir, "file3.txt"), []byte("content3"), 0o644)
if err != nil {
t.Fatalf("failed to write file3.txt: %v", err)
}
gitCmd(t, repoPath, nil, "--work-tree="+workDir, "add", ".")
treeHash := gitCmd(t, repoPath, nil, "--work-tree="+workDir, "write-tree")
mergeCommitData := fmt.Sprintf("tree %s\nparent %s\nparent %s\nauthor Test Author <test@example.org> 1234567890 +0000\ncommitter Test Committer <committer@example.org> 1234567890 +0000\n\nMerge commit\n",
treeHash, parent1Hash, parent2Hash)
cmd := gitHashObject(t, repoPath, "commit", []byte(mergeCommitData))
mergeHash := cmd
repo, err := OpenRepository(repoPath)
if err != nil {
t.Fatalf("OpenRepository failed: %v", err)
}
defer func() {
_ = repo.Close()
}()
hash, _ := repo.ParseHash(mergeHash)
obj, _ := repo.ReadObject(hash)
commit := obj.(*StoredCommit)
if len(commit.Parents) != 2 {
t.Fatalf("parents count: got %d, want 2", len(commit.Parents))
}
p1, _ := repo.ParseHash(parent1Hash)
p2, _ := repo.ParseHash(parent2Hash)
if commit.Parents[0] != p1 {
t.Errorf("parent[0]: got %s, want %s", commit.Parents[0], parent1Hash)
}
if commit.Parents[1] != p2 {
t.Errorf("parent[1]: got %s, want %s", commit.Parents[1], parent2Hash)
}
}
|
