test(maintenance): add policy executor and handler tests

Табличные тесты PolicyExecutor, ConfigProvider reload, memory CRUD политик и 503 для /v1/maintenance/* на memory-бэкенде без PostgreSQL.

Co-authored-by: Cursor <[email protected]>

internal/store/memory_maintenance_policy_test.go

@@ -0,0 +1,96 @@
+package store
+
+import "testing"
+
+func TestMemoryMaintenancePolicyCRUD(t *testing.T) {
+	m := NewMemory()
+	ret := int(86400)
+	max := 5000
+	created, err := m.CreateMaintenancePolicy(&MaintenancePolicy{
+		Name:               "audit cleanup",
+		TableName:          "job_audit",
+		Condition:          "status = 'succeeded'",
+		RetentionPeriodSec: &ret,
+		MaxRows:            &max,
+		VacuumStrategy:     VacuumStrategyVacuumAnalyze,
+		Schedule:           "0 4 * * *",
+		Enabled:            true,
+		DryRunEnabled:      true,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if created.ID == "" {
+		t.Fatal("missing id")
+	}
+
+	items, _, hasMore, err := m.ListMaintenancePolicies("", 10)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(items) != 1 || hasMore {
+		t.Fatalf("list: len=%d hasMore=%v", len(items), hasMore)
+	}
+
+	got, err := m.GetMaintenancePolicy(created.ID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if got.Name != "audit cleanup" || got.VacuumStrategy != VacuumStrategyVacuumAnalyze {
+		t.Fatalf("get: %+v", got)
+	}
+
+	newName := "renamed"
+	disabled := false
+	updated, err := m.UpdateMaintenancePolicy(created.ID, &MaintenancePolicyPatch{
+		Name:    &newName,
+		Enabled: &disabled,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if updated.Name != newName || updated.Enabled {
+		t.Fatalf("update: %+v", updated)
+	}
+
+	if err := m.TouchMaintenancePolicyRun(created.ID, "succeeded", ""); err != nil {
+		t.Fatal(err)
+	}
+	afterTouch, err := m.GetMaintenancePolicy(created.ID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if afterTouch.LastStatus != "succeeded" || afterTouch.LastRunAt == nil {
+		t.Fatalf("touch: %+v", afterTouch)
+	}
+
+	if err := m.AppendMaintenancePolicyConfigAudit("op:test", created.ID, "update", map[string]any{"name": "old"}, map[string]any{"name": newName}); err != nil {
+		t.Fatal(err)
+	}
+	audit, next, hasMore, err := m.ListMaintenancePolicyConfigAudit("", 10)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(audit) != 1 || audit[0].Action != "update" || next != "" || hasMore {
+		t.Fatalf("audit: %+v next=%q hasMore=%v", audit, next, hasMore)
+	}
+
+	if err := m.DeleteMaintenancePolicy(created.ID); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := m.GetMaintenancePolicy(created.ID); err != ErrNotFound {
+		t.Fatalf("after delete: %v", err)
+	}
+}
+
+func TestCreateMaintenancePolicyInvalid(t *testing.T) {
+	m := NewMemory()
+	_, err := m.CreateMaintenancePolicy(&MaintenancePolicy{Name: "", TableName: "job_audit", Schedule: "0 3 * * *"})
+	if err != ErrInvalidInput {
+		t.Fatalf("want ErrInvalidInput got %v", err)
+	}
+	_, err = m.CreateMaintenancePolicy(&MaintenancePolicy{Name: "x", TableName: "job_audit", Schedule: "0 3 * * *", VacuumStrategy: "bad"})
+	if err != ErrInvalidInput {
+		t.Fatalf("want ErrInvalidInput got %v", err)
+	}
+}