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Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
296 lines
12 KiB
Go
296 lines
12 KiB
Go
package migrationdocument
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import (
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"bytes"
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"context"
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"crypto/sha256"
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"errors"
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"fmt"
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"io"
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"os"
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"testing"
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"time"
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"github.com/jackc/pgx/v5/pgxpool"
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"gitea.perlbach24.de/scripte/nexarch/common/testdb"
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dmscrypto "gitea.perlbach24.de/scripte/nexarch/dms/internal/crypto"
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"gitea.perlbach24.de/scripte/nexarch/dms/internal/storage"
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)
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// fakeKEKProvider liefert einen fest hinterlegten Tenant-KEK, analog zum
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// Fake in dms/internal/upload (dort nicht exportiert).
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type fakeKEKProvider struct{ kek []byte }
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func (f *fakeKEKProvider) TenantKEK(ctx context.Context, tenantSlug string) ([]byte, error) {
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return f.kek, nil
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}
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type noopUsageReporter struct{}
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func (noopUsageReporter) Report(ctx context.Context, tenantSlug, metric string, delta int64) error {
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return nil
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}
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// fixtureObject ist ein SYNTHETISCHES Dokument fuer die Testquelle — fake
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// Inhalt, keine echten archivdms-Daten (Produktarchitektur-Vorgabe).
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type fixtureObject struct {
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content []byte
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}
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func sha256Hex(b []byte) string {
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sum := sha256.Sum256(b)
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return fmt.Sprintf("%x", sum[:])
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}
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// memorySource ist eine In-Memory-Testquelle: simuliert das SQL-Export/
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// Objekt-Storage-Paar von archivdms rein synthetisch.
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type memorySource struct {
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docs []SourceDocument
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revisions map[string][]SourceRevision
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objects map[string]fixtureObject
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}
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func (s *memorySource) Documents(ctx context.Context) ([]SourceDocument, error) {
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return s.docs, nil
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}
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func (s *memorySource) Revisions(ctx context.Context, sourceDocumentID string) ([]SourceRevision, error) {
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return s.revisions[sourceDocumentID], nil
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}
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func (s *memorySource) OpenObject(ctx context.Context, objectKey string) (io.ReadCloser, error) {
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obj, ok := s.objects[objectKey]
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if !ok {
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return nil, fmt.Errorf("fixture-objekt %q nicht gefunden", objectKey)
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}
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return io.NopCloser(bytes.NewReader(obj.content)), nil
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}
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// staticUserResolver bildet archivdms-Benutzer-IDs 1:1 auf eine feste
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// Ziel-Benutzer-ID ab (Benutzer-/ACL-Migration ist nicht Bestandteil
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// von DOK-01).
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type staticUserResolver struct{ userID string }
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func (r staticUserResolver) ResolveUserID(ctx context.Context, sourceUserID string) (string, error) {
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return r.userID, nil
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}
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func newSyntheticSource() *memorySource {
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return &memorySource{
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docs: []SourceDocument{
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{SourceDocumentID: "archivdms-doc-1", Title: "Testakte Musterfall.pdf", SourceUserID: "archivdms-user-1"},
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{SourceDocumentID: "archivdms-doc-2", Title: "Testakte Zweitfall.txt", SourceUserID: "archivdms-user-1"},
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},
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revisions: map[string][]SourceRevision{
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"archivdms-doc-1": {
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{SourceRevisionID: "archivdms-doc-1-rev-1", SourceDocumentID: "archivdms-doc-1", RevisionNumber: 1, SizeBytes: int64(len("Fake-PDF-Inhalt-V1")), MimeType: "application/pdf", SourceUserID: "archivdms-user-1", ObjectKey: "doc-1-rev-1", ChecksumSHA256: sha256Hex([]byte("Fake-PDF-Inhalt-V1"))},
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{SourceRevisionID: "archivdms-doc-1-rev-2", SourceDocumentID: "archivdms-doc-1", RevisionNumber: 2, SizeBytes: int64(len("Fake-PDF-Inhalt-V2-ueberarbeitet")), MimeType: "application/pdf", SourceUserID: "archivdms-user-1", ObjectKey: "doc-1-rev-2", ChecksumSHA256: sha256Hex([]byte("Fake-PDF-Inhalt-V2-ueberarbeitet"))},
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},
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"archivdms-doc-2": {
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{SourceRevisionID: "archivdms-doc-2-rev-1", SourceDocumentID: "archivdms-doc-2", RevisionNumber: 1, SizeBytes: int64(len("Fake-Text-Inhalt")), MimeType: "text/plain", SourceUserID: "archivdms-user-1", ObjectKey: "doc-2-rev-1", ChecksumSHA256: sha256Hex([]byte("Fake-Text-Inhalt"))},
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},
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},
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objects: map[string]fixtureObject{
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"doc-1-rev-1": {content: []byte("Fake-PDF-Inhalt-V1")},
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"doc-1-rev-2": {content: []byte("Fake-PDF-Inhalt-V2-ueberarbeitet")},
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"doc-2-rev-1": {content: []byte("Fake-Text-Inhalt")},
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},
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}
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}
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func setupMigratorTest(t *testing.T) (*Migrator, *pgxpool.Pool, *storage.LocalDriver, string) {
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t.Helper()
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dsn := os.Getenv("TEST_TENANT_DSN")
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if dsn == "" {
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t.Skip("TEST_TENANT_DSN nicht gesetzt, Integrationstest uebersprungen")
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}
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ctx := context.Background()
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pool := testdb.Pool(t, dsn)
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t.Cleanup(func() { pool.Close() })
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if _, err := pool.Exec(ctx, `
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CREATE EXTENSION IF NOT EXISTS pgcrypto;
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CREATE TABLE IF NOT EXISTS users (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(), email TEXT NOT NULL UNIQUE, name TEXT NOT NULL,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now()
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);
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CREATE TABLE IF NOT EXISTS documents (
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id UUID PRIMARY KEY, folder_id UUID, title TEXT NOT NULL, current_revision_id UUID,
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created_by UUID NOT NULL REFERENCES users(id),
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created_at TIMESTAMPTZ NOT NULL DEFAULT now(), updated_at TIMESTAMPTZ NOT NULL DEFAULT now(), deleted_at TIMESTAMPTZ
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);
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CREATE TABLE IF NOT EXISTS file_revisions (
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id UUID PRIMARY KEY, document_id UUID NOT NULL REFERENCES documents(id) ON DELETE CASCADE,
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revision_number INT NOT NULL, storage_key TEXT NOT NULL, checksum_sha256 TEXT NOT NULL,
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size_bytes BIGINT NOT NULL, mime_type TEXT NOT NULL, created_by UUID NOT NULL REFERENCES users(id),
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created_at TIMESTAMPTZ NOT NULL DEFAULT now(), wrapped_dek BYTEA,
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confirmed_duplicate BOOLEAN NOT NULL DEFAULT false,
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UNIQUE (document_id, revision_number)
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);
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ALTER TABLE documents DROP CONSTRAINT IF EXISTS fk_documents_current_revision;
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ALTER TABLE documents ADD CONSTRAINT fk_documents_current_revision
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FOREIGN KEY (current_revision_id) REFERENCES file_revisions(id) ON DELETE SET NULL;
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`); err != nil {
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t.Fatalf("schema: %v", err)
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}
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t.Cleanup(func() {
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ctx := context.Background()
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_, _ = pool.Exec(ctx, `TRUNCATE file_revisions, documents, users CASCADE`)
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})
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var userID string
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if err := pool.QueryRow(ctx, `
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INSERT INTO users (email, name) VALUES ($1, 'Migrations-Testbenutzer') RETURNING id
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`, fmt.Sprintf("dok01-test-%d@example.test", time.Now().UnixNano())).Scan(&userID); err != nil {
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t.Fatalf("testbenutzer anlegen: %v", err)
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}
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driver := storage.NewLocalDriver(t.TempDir(), []byte("secret"), "https://files.example.test", 0)
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storageSvc := storage.NewService(driver, noopUsageReporter{}, "acme-test")
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cryptoSvc := dmscrypto.NewService(&fakeKEKProvider{kek: bytes.Repeat([]byte{0x22}, dmscrypto.KEKSize)})
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migrator := NewMigrator(pool, newSyntheticSource(), staticUserResolver{userID: userID}, storageSvc, cryptoSvc, "acme-test")
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return migrator, pool, driver, userID
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}
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// TestMigrateAll_AkzeptanzkriteriumVollstaendigReferenzierbar prueft
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// Akzeptanzkriterium 1: jedes Dokument samt aller Revisionen ist nach der
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// Migration vollstaendig referenzierbar.
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func TestMigrateAll_AkzeptanzkriteriumVollstaendigReferenzierbar(t *testing.T) {
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migrator, pool, _, _ := setupMigratorTest(t)
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ctx := context.Background()
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res, err := migrator.MigrateAll(ctx)
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if err != nil {
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t.Fatalf("MigrateAll: %v", err)
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}
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if res.DocumentsMigrated != 2 || res.RevisionsMigrated != 3 {
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t.Fatalf("erwartet 2 dokumente/3 revisionen, habe %+v", res)
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}
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var documentCount, revisionCount int
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if err := pool.QueryRow(ctx, `SELECT count(*) FROM documents`).Scan(&documentCount); err != nil {
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t.Fatalf("dokumente zaehlen: %v", err)
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}
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if err := pool.QueryRow(ctx, `SELECT count(*) FROM file_revisions`).Scan(&revisionCount); err != nil {
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t.Fatalf("revisionen zaehlen: %v", err)
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}
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if documentCount != 2 || revisionCount != 3 {
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t.Fatalf("erwartet 2 dokumente/3 revisionen in der db, habe %d/%d", documentCount, revisionCount)
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}
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var revisionsForDoc1 int
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documentID1 := deriveUUID("document", "acme-test", "archivdms-doc-1")
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if err := pool.QueryRow(ctx, `SELECT count(*) FROM file_revisions WHERE document_id = $1`, documentID1).Scan(&revisionsForDoc1); err != nil {
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t.Fatalf("revisionen fuer dokument 1 zaehlen: %v", err)
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}
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if revisionsForDoc1 != 2 {
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t.Fatalf("erwartet 2 revisionen fuer dokument 1, habe %d", revisionsForDoc1)
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}
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}
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// TestMigrateAll_AkzeptanzkriteriumKonsistenteVerknuepfung prueft
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// Akzeptanzkriterium 2: Binaerdaten und Metadaten sind konsistent
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// miteinander verknuepft — current_revision_id zeigt auf die hoechste
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// Revisionsnummer, und das Objekt unter storage_key ist tatsaechlich
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// abrufbar mit identischem Inhalt (Pruefung 1: Hash-Vergleich).
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func TestMigrateAll_AkzeptanzkriteriumKonsistenteVerknuepfung(t *testing.T) {
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migrator, pool, driver, _ := setupMigratorTest(t)
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ctx := context.Background()
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if _, err := migrator.MigrateAll(ctx); err != nil {
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t.Fatalf("MigrateAll: %v", err)
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}
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documentID1 := deriveUUID("document", "acme-test", "archivdms-doc-1")
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var currentRevisionID, storageKey string
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if err := pool.QueryRow(ctx, `
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SELECT d.current_revision_id, r.storage_key
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FROM documents d JOIN file_revisions r ON r.id = d.current_revision_id
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WHERE d.id = $1
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`, documentID1).Scan(¤tRevisionID, &storageKey); err != nil {
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t.Fatalf("aktuelle revision lesen: %v", err)
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}
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expectedRevisionID := deriveUUID("revision", "acme-test", "archivdms-doc-1-rev-2")
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if currentRevisionID != expectedRevisionID {
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t.Fatalf("erwartet current_revision_id %q (hoechste revisionsnummer), habe %q", expectedRevisionID, currentRevisionID)
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}
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rc, err := driver.Get(ctx, storageKey)
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if err != nil {
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t.Fatalf("objekt unter storage_key lesen: %v", err)
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}
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defer rc.Close()
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ciphertext, err := io.ReadAll(rc)
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if err != nil {
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t.Fatalf("ciphertext lesen: %v", err)
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}
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var wrappedDEK []byte
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if err := pool.QueryRow(ctx, `SELECT wrapped_dek FROM file_revisions WHERE id = $1`, currentRevisionID).Scan(&wrappedDEK); err != nil {
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t.Fatalf("wrapped_dek lesen: %v", err)
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}
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cryptoSvc := dmscrypto.NewService(&fakeKEKProvider{kek: bytes.Repeat([]byte{0x22}, dmscrypto.KEKSize)})
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plainReader, err := cryptoSvc.Open(ctx, "acme-test", wrappedDEK, bytes.NewReader(ciphertext))
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if err != nil {
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t.Fatalf("entschluesseln: %v", err)
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}
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plaintext, err := io.ReadAll(plainReader)
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if err != nil {
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t.Fatalf("klartext lesen: %v", err)
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}
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if string(plaintext) != "Fake-PDF-Inhalt-V2-ueberarbeitet" {
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t.Fatalf("entschluesselter inhalt weicht von quelle ab: %q", plaintext)
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}
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if sha256Hex(plaintext) != sha256Hex([]byte("Fake-PDF-Inhalt-V2-ueberarbeitet")) {
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t.Fatalf("hash-vergleich gegen quelle fehlgeschlagen")
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}
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}
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// TestMigrateAll_AkzeptanzkriteriumWiederholbar prueft Akzeptanzkriterium
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// 3: ein erneuter Lauf gegen dieselbe Quelle erzeugt keine Duplikate.
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func TestMigrateAll_AkzeptanzkriteriumWiederholbar(t *testing.T) {
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migrator, pool, _, _ := setupMigratorTest(t)
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ctx := context.Background()
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if _, err := migrator.MigrateAll(ctx); err != nil {
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t.Fatalf("erster lauf: %v", err)
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}
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res2, err := migrator.MigrateAll(ctx)
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if err != nil {
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t.Fatalf("zweiter lauf: %v", err)
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}
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if res2.DocumentsMigrated != 0 || res2.RevisionsMigrated != 0 || res2.RevisionsSkipped != 3 {
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t.Fatalf("zweiter lauf haette nichts neu migrieren duerfen, habe %+v", res2)
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}
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var documentCount, revisionCount int
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if err := pool.QueryRow(ctx, `SELECT count(*) FROM documents`).Scan(&documentCount); err != nil {
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t.Fatalf("dokumente zaehlen: %v", err)
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}
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if err := pool.QueryRow(ctx, `SELECT count(*) FROM file_revisions`).Scan(&revisionCount); err != nil {
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t.Fatalf("revisionen zaehlen: %v", err)
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}
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if documentCount != 2 || revisionCount != 3 {
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t.Fatalf("erneuter lauf hat duplikate erzeugt: %d dokumente/%d revisionen", documentCount, revisionCount)
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}
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}
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// TestMigrateRevision_ChecksumMismatch prueft, dass eine zwischen Quelle und
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// kopiertem Objekt abweichende Pruefsumme die Migration dieser Revision
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// mit einem klaren Fehler abbricht statt sie still zu uebernehmen.
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func TestMigrateRevision_ChecksumMismatch(t *testing.T) {
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migrator, _, _, _ := setupMigratorTest(t)
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ctx := context.Background()
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src := migrator.source.(*memorySource)
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src.objects["doc-2-rev-1"] = fixtureObject{content: []byte("manipulierter-inhalt")}
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_, err := migrator.MigrateAll(ctx)
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if !errors.Is(err, ErrChecksumMismatch) {
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t.Fatalf("erwartet ErrChecksumMismatch, habe %v", err)
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}
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}
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