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dms: testdb aus common statt interner Kopie
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
2026-10-27 23:37:00 +01:00

296 lines
12 KiB
Go

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