Migrate duplicated test fixtures

internal/app/run_test.go

@@ -3,7 +3,6 @@ package app
 import (
 	"bytes"
 	"context"
-	"encoding/json"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -15,6 +14,7 @@ import (
 	"gitea.maximumdirect.net/eric/distributor/internal/notify"
 	"gitea.maximumdirect.net/eric/distributor/internal/state"
 	"gitea.maximumdirect.net/eric/distributor/internal/storage"
+	"gitea.maximumdirect.net/eric/distributor/internal/testutil"
 )
 
 func TestRunDryRunPrintsConfigSummary(t *testing.T) {
@@ -436,61 +436,20 @@ type testFile struct {
 
 func writeSourceBundle(t *testing.T, root, relative string, opts testBundleOptions) bundle.Manifest {
 	t.Helper()
-	if opts.ID == "" {
-		opts.ID = "weather.daily.brentwood.2026-05-30"
+	extraFiles := make([]testutil.SourceFile, 0, len(opts.ExtraFiles))
+	for _, file := range opts.ExtraFiles {
+		extraFiles = append(extraFiles, testutil.SourceFile{Path: file.Path, Data: file.Data})
 	}
-	if opts.Created.IsZero() {
-		opts.Created = time.Date(2026, 5, 30, 11, 10, 0, 0, time.UTC)
-	}
-	bundleRoot := filepath.Join(root, filepath.FromSlash(relative))
-	if err := os.MkdirAll(bundleRoot, 0o755); err != nil {
-		t.Fatalf("mkdir bundle: %v", err)
-	}
-	files := []struct {
-		path string
-		data string
-	}{
-		{path: "report.md", data: "# Report\nSunny.\n"},
-		{path: "summary.txt", data: "Summary\n"},
-	}
-	for _, extra := range opts.ExtraFiles {
-		files = append(files, struct {
-			path string
-			data string
-		}{path: extra.Path, data: extra.Data})
-	}
-	manifestFiles := make([]bundle.ManifestFile, 0, len(files))
-	for _, file := range files {
-		if err := os.WriteFile(filepath.Join(bundleRoot, filepath.FromSlash(file.path)), []byte(file.data), 0o600); err != nil {
-			t.Fatalf("write source file: %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:            opts.ID,
-		Created:       opts.Created,
-		Files:         manifestFiles,
-	}
-	manifest.Digest = bundle.BundleDigest(manifest.Files)
-	data, err := json.MarshalIndent(manifest, "", "  ")
-	if err != nil {
-		t.Fatalf("marshal manifest: %v", err)
-	}
-	data = append(data, '\n')
-	if err := os.WriteFile(filepath.Join(bundleRoot, "manifest.json"), data, 0o600); err != nil {
-		t.Fatalf("write manifest: %v", err)
-	}
-	return manifest
+	return testutil.WriteSourceBundle(t, root, relative, testutil.BundleOptions{
+		ID:         opts.ID,
+		Created:    opts.Created,
+		ExtraFiles: extraFiles,
+	})
 }
 
 func writeLocalConfig(t *testing.T, sourceRoot, destinationRoot string) string {
 	t.Helper()
-	return writeLocalConfigWithPolicy(t, sourceRoot, destinationRoot, true, false)
+	return testutil.WriteMinimalLocalConfig(t, sourceRoot, destinationRoot)
 }
 
 func writeLocalConfigWithPolicy(t *testing.T, sourceRoot, destinationRoot string, publishSource, publishHTML bool) string {
@@ -521,20 +480,7 @@ pipelines:
 
 func writeFanoutConfig(t *testing.T, sourceRoot, firstDestination, secondDestination string) string {
 	t.Helper()
-	return writeConfigFile(t, `
-pipelines:
-  - id: reports
-    source:
-      backend: local
-      path: `+sourceRoot+`
-    destinations:
-      - id: archive-one
-        backend: local
-        path: `+firstDestination+`
-      - id: archive-two
-        backend: local
-        path: `+secondDestination+`
-`)
+	return testutil.WriteFanoutLocalConfig(t, sourceRoot, firstDestination, secondDestination)
 }
 
 func writeConfigFile(t *testing.T, body string) string {
@@ -548,42 +494,12 @@ func writeConfigFile(t *testing.T, body string) string {
 
 func writeDestinationState(t *testing.T, root, relative string, manifest bundle.Manifest) {
 	t.Helper()
-	bundleRoot := filepath.Join(root, filepath.FromSlash(relative))
-	if err := os.MkdirAll(bundleRoot, 0o755); err != nil {
-		t.Fatalf("mkdir destination: %v", err)
-	}
-	destinationState := state.DistributorState{
-		SchemaVersion: state.SchemaVersion,
-		PipelineID:    "reports",
-		DestinationID: "archive",
-		PublishedAt:   time.Date(2026, 5, 30, 11, 12, 0, 0, time.UTC),
-		Source:        state.SourceState{Manifest: manifest},
-		Outputs: []state.OutputFile{
-			{Path: "report.md", Kind: state.OutputKindSource, SourcePath: "report.md", SHA256: manifest.Files[0].SHA256, Size: manifest.Files[0].Size},
-			{Path: "summary.txt", Kind: state.OutputKindSource, SourcePath: "summary.txt", SHA256: manifest.Files[1].SHA256, Size: manifest.Files[1].Size},
-		},
-	}
-	data, err := json.MarshalIndent(destinationState, "", "  ")
-	if err != nil {
-		t.Fatalf("marshal state: %v", err)
-	}
-	data = append(data, '\n')
-	if err := os.WriteFile(filepath.Join(bundleRoot, storage.StateFileName), data, 0o600); err != nil {
-		t.Fatalf("write state: %v", err)
-	}
+	testutil.WriteDestinationState(t, root, relative, manifest, testutil.DestinationStateOptions{})
 }
 
 func readStateFile(t *testing.T, path string) state.DistributorState {
 	t.Helper()
-	data, err := os.ReadFile(path)
-	if err != nil {
-		t.Fatalf("read state: %v", err)
-	}
-	destinationState, err := state.Parse(data)
-	if err != nil {
-		t.Fatalf("parse state: %v", err)
-	}
-	return destinationState
+	return testutil.ReadDestinationState(t, path)
 }
 
 func assertFile(t *testing.T, path, want string) {