Files
nexarch/internal/migrationtenant/migrate_test.go
T
patrickandClaude Sonnet 5.5 07eb74cadf
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Root-Modul: apierror und httpharden aus common v0.1.0
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
2026-10-28 09:37:03 +01:00

181 lines
5.7 KiB
Go

package migrationtenant
import (
"context"
"crypto/rand"
"fmt"
"os"
"strings"
"testing"
"github.com/jackc/pgx/v5/pgxpool"
"gitea.perlbach24.de/scripte/nexarch/internal/tenant"
"gitea.perlbach24.de/scripte/nexarch/internal/testdb"
)
// Integrationstest gegen eine echte Postgres-Instanz mit synthetischen
// Tenant-Map-Eintraegen (fiktive Slugs/Namen, keine echten archivmail-/
// archivdms-Kundendaten) — siehe Prüfprotokoll COR-01 fuer die
// dokumentierte Begruendung. Ohne TEST_ADMIN_DSN uebersprungen.
func setupSchema(t *testing.T, ctx context.Context, pool *pgxpool.Pool) {
t.Helper()
if _, err := pool.Exec(ctx, `
CREATE EXTENSION IF NOT EXISTS pgcrypto;
CREATE TABLE IF NOT EXISTS tenants (
id UUID PRIMARY KEY,
slug TEXT NOT NULL UNIQUE,
name TEXT NOT NULL,
db_name TEXT NOT NULL UNIQUE,
db_dsn TEXT NOT NULL,
status TEXT NOT NULL DEFAULT 'active',
created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
previous_status TEXT,
deletion_scheduled_at TIMESTAMPTZ,
retention_block_reason TEXT,
retention_checked_at TIMESTAMPTZ
);
CREATE TABLE IF NOT EXISTS tenant_migration_map (
id BIGSERIAL PRIMARY KEY,
archivmail_tenant_id BIGINT,
archivdms_tenant_id BIGINT,
nexarch_tenant_id UUID NOT NULL UNIQUE,
slug TEXT NOT NULL,
name TEXT NOT NULL,
approved_by TEXT,
approved_at TIMESTAMPTZ,
created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
CONSTRAINT tenant_migration_map_source_present
CHECK (archivmail_tenant_id IS NOT NULL OR archivdms_tenant_id IS NOT NULL)
);
`); err != nil {
t.Fatalf("schema: %v", err)
}
}
func TestMigrateApproved(t *testing.T) {
adminDSN := os.Getenv("TEST_ADMIN_DSN")
if adminDSN == "" {
t.Skip("TEST_ADMIN_DSN nicht gesetzt, Integrationstest uebersprungen")
}
ctx := context.Background()
adminPool, err := pgxpool.New(ctx, adminDSN)
if err != nil {
t.Fatalf("admin pool: %v", err)
}
defer adminPool.Close()
registryPool := testdb.Pool(t, adminDSN)
defer registryPool.Close()
setupSchema(t, ctx, registryPool)
dsnTemplate := strings.Replace(adminDSN, "/postgres?", "/%s?", 1)
registry := tenant.NewRegistry(registryPool)
provisioner := tenant.NewProvisioner(adminPool, registry, dsnTemplate, dsnTemplate)
mapStore := NewMapStore(registryPool)
migrator := NewMigrator(mapStore, provisioner)
// Fuenf synthetische, freigegebene Tenant-Zusammenfuehrungen und ein
// bewusst NICHT freigegebener Eintrag (Akzeptanzkriterium 2).
type synthEntry struct {
id string
slug string
name string
approved bool
}
suffix := testdb.Suffix()
entries := make([]synthEntry, 0, 6)
for i := 1; i <= 5; i++ {
entries = append(entries, synthEntry{
id: newUUIDv4(),
slug: testdb.Slug("synth"),
name: "Synthetische Test GmbH " + suffix,
approved: true,
})
}
unapproved := synthEntry{id: newUUIDv4(), slug: testdb.Slug("unapp"), name: "Unfreigegeben " + suffix, approved: false}
entries = append(entries, unapproved)
for i, e := range entries {
approvedAt := "NULL"
approvedBy := "NULL"
if e.approved {
approvedAt = "now()"
approvedBy = "'qa-tester'"
}
_, err := registryPool.Exec(ctx, `
INSERT INTO tenant_migration_map (archivmail_tenant_id, archivdms_tenant_id, nexarch_tenant_id, slug, name, approved_by, approved_at)
VALUES ($1, NULL, $2, $3, $4, `+approvedBy+`, `+approvedAt+`)
`, int64(1000+i), e.id, e.slug, e.name)
if err != nil {
t.Fatalf("map-eintrag %d anlegen: %v", i, err)
}
}
t.Cleanup(func() {
for _, e := range entries {
_, _ = registryPool.Exec(ctx, `DELETE FROM tenants WHERE slug = $1`, e.slug)
_, _ = adminPool.Exec(ctx, `DROP DATABASE IF EXISTS tenant_`+e.slug)
}
})
// AC 1: genau ein Lauf uebernimmt jeden freigegebenen Tenant.
res, err := migrator.MigrateApproved(ctx)
if err != nil {
t.Fatalf("MigrateApproved: %v", err)
}
if len(res.Migrated) != 5 {
t.Fatalf("erwarte 5 migrierte Tenants, habe %d", len(res.Migrated))
}
// AC 2: der unfreigegebene Eintrag wurde nicht uebernommen.
if _, err := registry.GetByID(ctx, unapproved.id); err != tenant.ErrTenantNotFound {
t.Fatalf("unfreigegebener tenant %q haette nicht angelegt werden duerfen, err=%v", unapproved.id, err)
}
// Stichprobe: tenant_id in Core entspricht exakt der Map-Vorgabe.
for _, e := range entries[:5] {
got, err := registry.GetByID(ctx, e.id)
if err != nil {
t.Fatalf("tenant %q nach migration nicht gefunden: %v", e.id, err)
}
if got.ID != e.id || got.Slug != e.slug {
t.Fatalf("tenant_id nicht korrekt umgeschrieben: erwartet id=%s slug=%s, habe id=%s slug=%s", e.id, e.slug, got.ID, got.Slug)
}
}
// AC 3: erneuter Lauf gegen dieselbe (bereits migrierte) Quelle erzeugt
// keine Duplikate.
res2, err := migrator.MigrateApproved(ctx)
if err != nil {
t.Fatalf("zweiter MigrateApproved-Lauf: %v", err)
}
if len(res2.Migrated) != 5 {
t.Fatalf("erwarte weiterhin 5 Tenants nach erneutem Lauf, habe %d", len(res2.Migrated))
}
for _, e := range entries[:5] {
var count int
if err := registryPool.QueryRow(ctx, `SELECT count(*) FROM tenants WHERE id = $1`, e.id).Scan(&count); err != nil {
t.Fatalf("duplikat-pruefung: %v", err)
}
if count != 1 {
t.Fatalf("tenant %q ist nach erneutem Lauf %d mal vorhanden, erwartet 1", e.id, count)
}
}
}
// newUUIDv4 erzeugt eine zufaellige UUIDv4 fuer synthetische Testdaten, ohne
// eine zusaetzliche Abhaengigkeit einzufuehren (Postgres selbst nutzt
// gen_random_uuid() in Produktionscode ueber ProvisionWithID / die
// tenant_migration_map).
func newUUIDv4() string {
b := make([]byte, 16)
if _, err := rand.Read(b); err != nil {
panic(err)
}
b[6] = (b[6] & 0x0f) | 0x40
b[8] = (b[8] & 0x3f) | 0x80
return fmt.Sprintf("%x-%x-%x-%x-%x", b[0:4], b[4:6], b[6:8], b[8:10], b[10:16])
}