127 lines
2.9 KiB
Go
127 lines
2.9 KiB
Go
package main
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import (
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"testing"
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)
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func TestApplyChangesRewritesMetadata(t *testing.T) {
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repo := t.TempDir()
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run := func(args ...string) string {
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t.Helper()
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cmd := exec.Command("git", append([]string{"-C", repo}, args...)...)
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out, err := cmd.CombinedOutput()
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if err != nil {
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t.Fatalf("git %v failed: %v\n%s", args, err, string(out))
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}
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return string(out)
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}
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run("init")
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run("config", "user.name", "Original User")
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run("config", "user.email", "original@example.com")
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if err := os.WriteFile(filepath.Join(repo, "a.txt"), []byte("one\n"), 0o644); err != nil {
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t.Fatal(err)
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}
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run("add", "a.txt")
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run("commit", "-m", "first")
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if err := os.WriteFile(filepath.Join(repo, "a.txt"), []byte("two\n"), 0o644); err != nil {
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t.Fatal(err)
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}
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run("add", "a.txt")
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run("commit", "-m", "second")
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app := NewApp()
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if _, err := app.SetRepository(repo); err != nil {
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t.Fatal(err)
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}
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history, err := app.LoadHistory()
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if err != nil {
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t.Fatal(err)
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}
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if len(history) < 2 {
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t.Fatalf("expected at least 2 commits, got %d", len(history))
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}
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first := history[0]
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first.AuthorName = "Edited Author"
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first.Message = "edited first message"
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req := ApplyRequest{
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Commits: history,
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ForcePush: false,
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PushTags: false,
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}
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req.Commits[0] = first
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result, err := app.ApplyChanges(req)
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if err != nil {
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t.Fatal(err)
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}
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if result.RewrittenCommits == 0 {
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t.Fatalf("expected rewritten commits > 0, got %d", result.RewrittenCommits)
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}
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out := run("log", "--reverse", "--pretty=format:%an%x1f%B%x1e")
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if !strings.Contains(out, "Edited Author") {
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t.Fatalf("expected rewritten author in log, got: %s", out)
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}
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if !strings.Contains(out, "edited first message") {
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t.Fatalf("expected rewritten message in log, got: %s", out)
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}
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}
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func TestRewriteHistoryFailsWhenNoRefsAreRewritten(t *testing.T) {
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repo := t.TempDir()
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run := func(args ...string) string {
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t.Helper()
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cmd := exec.Command("git", append([]string{"-C", repo}, args...)...)
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out, err := cmd.CombinedOutput()
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if err != nil {
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t.Fatalf("git %v failed: %v\n%s", args, err, string(out))
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}
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return string(out)
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}
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run("init")
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run("config", "user.name", "Original User")
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run("config", "user.email", "original@example.com")
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if err := os.WriteFile(filepath.Join(repo, "a.txt"), []byte("one\n"), 0o644); err != nil {
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t.Fatal(err)
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}
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run("add", "a.txt")
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run("commit", "-m", "first")
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app := NewApp()
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if _, err := app.SetRepository(repo); err != nil {
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t.Fatal(err)
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}
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history, err := app.LoadHistory()
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if err != nil {
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t.Fatal(err)
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}
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if len(history) != 1 {
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t.Fatalf("expected one commit, got %d", len(history))
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}
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unchanged := history[0]
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err = rewriteHistory(repo, map[string]CommitRecord{
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unchanged.Hash: unchanged,
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}, map[string]bool{})
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if err == nil {
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t.Fatal("expected rewriteHistory to fail when git reports unchanged refs")
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}
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if !strings.Contains(err.Error(), "did not rewrite any refs") {
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t.Fatalf("unexpected error: %v", err)
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}
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}
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