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workflow: testdb aus common statt interner Kopie
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
2026-10-27 23:38:24 +01:00

195 lines
6.5 KiB
Go

package routingengine
import (
"context"
"os"
"path/filepath"
"testing"
"github.com/jackc/pgx/v5/pgxpool"
"gitea.perlbach24.de/scripte/nexarch/common/testdb"
"gitea.perlbach24.de/scripte/nexarch/workflow/internal/migrate"
"gitea.perlbach24.de/scripte/nexarch/workflow/internal/routingrule"
)
func findModuleRoot(t *testing.T) string {
t.Helper()
dir, err := os.Getwd()
if err != nil {
t.Fatalf("getwd: %v", err)
}
for {
if _, err := os.Stat(filepath.Join(dir, "go.mod")); err == nil {
return dir
}
parent := filepath.Dir(dir)
if parent == dir {
t.Fatal("go.mod nicht gefunden")
}
dir = parent
}
}
func setup(t *testing.T) (*Engine, *routingrule.Store, *pgxpool.Pool) {
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)
migrations, err := migrate.Load(filepath.Join(findModuleRoot(t), "migrations", "tenant"))
if err != nil {
t.Fatalf("migrationen laden: %v", err)
}
if _, err := migrate.Up(ctx, pool, migrations); err != nil {
t.Fatalf("migrationen anwenden: %v", err)
}
store := routingrule.NewStore(pool)
return NewEngine(store, pool), store, pool
}
// Akzeptanzkriterium 1: nicht zuordenbares Objekt landet im Klaerungskorb,
// geht also nicht verloren (Pruefung 2).
func TestExecute_NoMatch_LandsInClarificationBasket(t *testing.T) {
ctx := context.Background()
engine, store, _ := setup(t)
_, err := store.Create(ctx, "nur rechnungen", 10, []routingrule.Condition{
{Field: "object_type", Operator: "equals", Value: "invoice"},
}, []routingrule.Action{{Type: "route_to_process", Target: "approval"}})
if err != nil {
t.Fatalf("regel anlegen: %v", err)
}
decision, err := engine.Execute(ctx, "document", "doc-no-match-1", map[string]any{"object_type": "contract"})
if err != nil {
t.Fatalf("execute: %v", err)
}
if decision.Matched {
t.Fatal("erwartet: kein Treffer, aber Matched=true")
}
if !decision.InBasket || decision.BasketID == "" {
t.Fatal("erwartet: Objekt landet im Klaerungskorb")
}
entries, err := engine.UnresolvedBasketEntries(ctx)
if err != nil {
t.Fatalf("basket lesen: %v", err)
}
found := false
for _, e := range entries {
if e.ID == decision.BasketID && e.ObjectID == "doc-no-match-1" {
found = true
}
}
if !found {
t.Fatal("Objekt nicht im Klaerungskorb wiederauffindbar -- waere verloren gegangen")
}
}
// Akzeptanzkriterium: erste zutreffende Regel nach Prioritaet gewinnt.
func TestExecute_FirstMatchingRuleByPriorityWins(t *testing.T) {
ctx := context.Background()
engine, store, _ := setup(t)
_, err := store.Create(ctx, "niedrige prioritaet", 1, []routingrule.Condition{
{Field: "object_type", Operator: "equals", Value: "invoice"},
}, []routingrule.Action{{Type: "route_to_process", Target: "low"}})
if err != nil {
t.Fatalf("niedrige regel anlegen: %v", err)
}
_, err = store.Create(ctx, "hohe prioritaet", 100, []routingrule.Condition{
{Field: "object_type", Operator: "equals", Value: "invoice"},
}, []routingrule.Action{{Type: "route_to_process", Target: "high"}})
if err != nil {
t.Fatalf("hohe regel anlegen: %v", err)
}
decision, err := engine.Execute(ctx, "document", "doc-priority-1", map[string]any{"object_type": "invoice"})
if err != nil {
t.Fatalf("execute: %v", err)
}
if !decision.Matched {
t.Fatal("erwartet: Treffer")
}
if decision.Action.Target != "high" {
t.Fatalf("erwartet Ziel 'high' (hoehere Prioritaet), bekam %q", decision.Action.Target)
}
}
// Akzeptanzkriterium 2: jede Weiterleitung ist nachvollziehbar protokolliert
// -- sowohl Treffer als auch Klaerungskorb-Faelle.
func TestExecute_EveryDecisionIsLogged(t *testing.T) {
ctx := context.Background()
engine, store, pool := setup(t)
rule, err := store.Create(ctx, "log-test-regel", 5, []routingrule.Condition{
{Field: "object_type", Operator: "equals", Value: "einvoice"},
}, []routingrule.Action{{Type: "route_to_process", Target: "approval"}})
if err != nil {
t.Fatalf("regel anlegen: %v", err)
}
if _, err := engine.Execute(ctx, "document", "doc-log-1", map[string]any{"object_type": "einvoice"}); err != nil {
t.Fatalf("execute (treffer): %v", err)
}
if _, err := engine.Execute(ctx, "document", "doc-log-2", map[string]any{"object_type": "unbekannt"}); err != nil {
t.Fatalf("execute (kein treffer): %v", err)
}
var matchedCount, unmatchedCount int
if err := pool.QueryRow(ctx, `SELECT count(*) FROM routing_decisions WHERE object_id = 'doc-log-1' AND matched_rule_id = $1`, rule.ID).Scan(&matchedCount); err != nil {
t.Fatalf("protokoll (treffer) lesen: %v", err)
}
if matchedCount != 1 {
t.Fatalf("erwartet 1 protokollierte Treffer-Entscheidung, bekam %d", matchedCount)
}
if err := pool.QueryRow(ctx, `SELECT count(*) FROM routing_decisions WHERE object_id = 'doc-log-2' AND matched_rule_id IS NULL`).Scan(&unmatchedCount); err != nil {
t.Fatalf("protokoll (kein treffer) lesen: %v", err)
}
if unmatchedCount != 1 {
t.Fatalf("erwartet 1 protokollierte Nicht-Treffer-Entscheidung, bekam %d", unmatchedCount)
}
}
// Akzeptanzkriterium 3 / Pruefung 3: eine Regeländerung wirkt ohne Neustart,
// da Execute bei jedem Aufruf frisch aus der Datenbank liest.
func TestExecute_RuleChangeTakesEffectWithoutRestart(t *testing.T) {
ctx := context.Background()
engine, store, _ := setup(t)
rule, err := store.Create(ctx, "aenderbare regel", 5, []routingrule.Condition{
{Field: "object_type", Operator: "equals", Value: "mail"},
}, []routingrule.Action{{Type: "route_to_process", Target: "process-a"}})
if err != nil {
t.Fatalf("regel anlegen: %v", err)
}
decision1, err := engine.Execute(ctx, "message", "msg-1", map[string]any{"object_type": "mail"})
if err != nil {
t.Fatalf("execute vor aenderung: %v", err)
}
if decision1.Action.Target != "process-a" {
t.Fatalf("erwartet 'process-a' vor Aenderung, bekam %q", decision1.Action.Target)
}
// Aenderung der Regel zur Laufzeit -- dieselbe Engine-Instanz, kein Neustart.
if _, err := store.Update(ctx, rule.ID, []routingrule.Condition{
{Field: "object_type", Operator: "equals", Value: "mail"},
}, []routingrule.Action{{Type: "route_to_process", Target: "process-b"}}); err != nil {
t.Fatalf("regel aendern: %v", err)
}
decision2, err := engine.Execute(ctx, "message", "msg-2", map[string]any{"object_type": "mail"})
if err != nil {
t.Fatalf("execute nach aenderung: %v", err)
}
if decision2.Action.Target != "process-b" {
t.Fatalf("erwartet 'process-b' nach Aenderung ohne Neustart, bekam %q", decision2.Action.Target)
}
}