Add shared test fixture helpers

internal/publish/execute_test.go

@@ -5,18 +5,17 @@ import (
 	"fmt"
 	"io"
 	"testing"
-	"time"
 
-	"gitea.maximumdirect.net/eric/distributor/internal/bundle"
 	"gitea.maximumdirect.net/eric/distributor/internal/config"
 	"gitea.maximumdirect.net/eric/distributor/internal/storage"
 	"gitea.maximumdirect.net/eric/distributor/internal/storage/fake"
+	"gitea.maximumdirect.net/eric/distributor/internal/testutil"
 )
 
 func TestExecuteCleansUpAfterWriteFailure(t *testing.T) {
 	sourceBackend := fake.New()
 	destinationBackend := &failingBackend{Backend: fake.New(), failPath: "summary.txt"}
-	sourceBundle := writeFakeSourceBundle(t, sourceBackend)
+	sourceBundle := testutil.WriteFakeSourceBundle(t, sourceBackend, "", testutil.BundleOptions{})
 	req := Request{
 		PipelineID:            "reports",
 		DestinationID:         "archive",
@@ -63,29 +62,3 @@ func (b *failingBackend) WriteFrom(ctx context.Context, path string, r io.Reader
 	}
 	return b.Backend.WriteFrom(ctx, path, r, opts)
 }
-
-func writeFakeSourceBundle(t *testing.T, backend *fake.Backend) bundle.Bundle {
-	t.Helper()
-	files := []struct {
-		path string
-		data string
-	}{
-		{path: "report.md", data: "# Report\nSunny.\n"},
-		{path: "summary.txt", data: "Summary\n"},
-	}
-	manifestFiles := make([]bundle.ManifestFile, 0, len(files))
-	for _, file := range files {
-		if _, err := backend.WriteFile(context.Background(), file.path, []byte(file.data), storage.WriteOptions{}); err != nil {
-			t.Fatalf("WriteFile() error = %v", err)
-		}
-		manifestFiles = append(manifestFiles, bundle.ManifestFile{Path: file.path, SHA256: bundle.FileDigest([]byte(file.data)), Size: int64(len(file.data))})
-	}
-	manifest := bundle.Manifest{
-		SchemaVersion: 1,
-		ID:            "weather.daily.brentwood.2026-05-30",
-		Created:       time.Date(2026, 5, 30, 11, 10, 0, 0, time.UTC),
-		Files:         manifestFiles,
-	}
-	manifest.Digest = bundle.BundleDigest(manifest.Files)
-	return bundle.Bundle{Manifest: manifest}
-}