Artifact [c71090c89c]

Artifact c71090c89cddbb07cbba5d148de5c5189ee3a9cea7ce9cb3560c228d51bea676:

• File testutil/testutil.go — part of check-in [f5744359d3] at 2026-04-19 16:30:54 on branch trunk — Initial open source release

  libfossil is a pure-Go implementation of the Fossil SCM, reading and writing the same .fossil SQLite repository format as upstream Fossil.

  This is the first public release of code that previously lived in a private repository. The module path is github.com/danmestas/libfossil and the binary is named libfossil to avoid $PATH collisions with upstream fossil.

  Included: - Repo lifecycle (create, clone), checkout/checkin, timeline, merge, diff, annotate, shun, tag, branch, bisect, stash, undo/redo - Sync-over-HTTP protocol (client and handler) - Two SQLite drivers: modernc (pure Go, default) and ncruces (wasm-capable) - Observer interfaces (SyncObserver, CheckoutObserver) with an optional OpenTelemetry implementation in observer/otel (separate submodule) - Deterministic simulation testing harness with BUGGIFY fault injection - Kong-based embeddable CLI under cli/ and a standalone binary under cmd/libfossil/ (user: [email protected], size: 2443) [annotate] [blame] [check-ins using]

package testutil

import (
	"fmt"
	"os"
	"os/exec"
	"path/filepath"
	"strings"
	"testing"
)

type TestRepo struct {
	Path string
	Dir  string
}

func FossilBinary() string {
	if bin := os.Getenv("FOSSIL_BIN"); bin != "" {
		return bin
	}
	path, err := exec.LookPath("fossil")
	if err != nil {
		return ""
	}
	return path
}

func NewTestRepo(t *testing.T) *TestRepo {
	t.Helper()
	bin := FossilBinary()
	if bin == "" {
		t.Skip("fossil binary not found")
	}
	dir := t.TempDir()
	path := filepath.Join(dir, "test.fossil")
	cmd := exec.Command(bin, "new", path)
	cmd.Dir = dir
	out, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatalf("fossil new failed: %v\n%s", err, out)
	}
	return &TestRepo{Path: path, Dir: dir}
}

func NewTestRepoFromPath(t *testing.T, path string) *TestRepo {
	t.Helper()
	abs, err := filepath.Abs(path)
	if err != nil {
		t.Fatalf("cannot resolve path %q: %v", path, err)
	}
	return &TestRepo{Path: abs, Dir: filepath.Dir(abs)}
}

func (r *TestRepo) FossilRebuild(t *testing.T) {
	t.Helper()
	cmd := exec.Command(FossilBinary(), "rebuild", r.Path)
	out, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatalf("fossil rebuild failed: %v\n%s", err, out)
	}
}

func (r *TestRepo) FossilArtifact(t *testing.T, uuid string) []byte {
	t.Helper()
	cmd := exec.Command(FossilBinary(), "artifact", uuid, "-R", r.Path)
	out, err := cmd.Output()
	if err != nil {
		t.Fatalf("fossil artifact %s failed: %v", uuid, err)
	}
	return out
}

func HasFossil() bool {
	return FossilBinary() != ""
}

func FossilRebuild(repoPath string) error {
	cmd := exec.Command(FossilBinary(), "rebuild", repoPath)
	out, err := cmd.CombinedOutput()
	if err != nil {
		return fmt.Errorf("fossil rebuild: %v\n%s", err, out)
	}
	return nil
}

func FossilTimeline(repoPath string) ([]byte, error) {
	cmd := exec.Command(FossilBinary(), "timeline", "-n", "100", "-R", repoPath)
	return cmd.Output()
}

func FossilArtifactByPath(repoPath, uuid string) ([]byte, error) {
	cmd := exec.Command(FossilBinary(), "artifact", uuid, "-R", repoPath)
	return cmd.Output()
}

func (r *TestRepo) FossilSQL(t *testing.T, sql string) string {
	t.Helper()
	cmd := exec.Command(FossilBinary(), "sql", "-R", r.Path, sql)
	out, err := cmd.Output()
	if err != nil {
		if exitErr, ok := err.(*exec.ExitError); ok {
			t.Fatalf("fossil sql failed: %v\nstderr: %s", err, exitErr.Stderr)
		}
		t.Fatalf("fossil sql failed: %v", err)
	}
	return strings.TrimSpace(string(out))
}