feat: establish NekoNest Cloud control and relay

relay/internal/purge/manager_test.go

@@ -0,0 +1,64 @@
+package purge
+
+import (
+	"context"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/klarkxy/nekonest-cloud/relay/internal/controlplane"
+	"github.com/klarkxy/nekonest-cloud/relay/internal/tenantfs"
+)
+
+type fakeRegistry struct{ calls int }
+
+func (registry *fakeRegistry) QuiesceForPurge(string, int64) error {
+	registry.calls++
+	return nil
+}
+
+type fakeControl struct{ updates []controlplane.PurgeAdvance }
+
+func (control *fakeControl) AdvancePurge(_ context.Context, update controlplane.PurgeAdvance) error {
+	control.updates = append(control.updates, update)
+	return nil
+}
+
+func TestManagerQuiescesDeletesAndReportsEvidence(t *testing.T) {
+	const tenantID = "tenant_0123456789abcdef0123456789abcdef"
+	dataRoot := t.TempDir()
+	backupRoot := t.TempDir()
+	paths, err := tenantfs.Resolve(dataRoot, tenantID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(paths.Database, []byte("data"), 0o600); err != nil {
+		t.Fatal(err)
+	}
+	backupTenant := filepath.Join(backupRoot, filepath.Base(paths.Root), "backup")
+	if err := os.MkdirAll(backupTenant, 0o700); err != nil {
+		t.Fatal(err)
+	}
+	registry := &fakeRegistry{}
+	control := &fakeControl{}
+	manager, err := New(Config{
+		DataRoot: dataRoot, BackupRoot: backupRoot, Registry: registry, ControlPlane: control,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	assignment := controlplane.PurgeAssignment{
+		PurgeID:  "purge_0123456789abcdef0123456789abcdef",
+		TenantID: tenantID, PlacementGeneration: 7,
+	}
+	if err := manager.process(context.Background(), assignment); err != nil {
+		t.Fatal(err)
+	}
+	if registry.calls != 1 || len(control.updates) != 1 || control.updates[0].Action != "completed" ||
+		len(control.updates[0].EvidenceSHA256) != 64 {
+		t.Fatalf("registry=%d updates=%#v", registry.calls, control.updates)
+	}
+	if _, err := os.Lstat(paths.Root); !os.IsNotExist(err) {
+		t.Fatalf("tenant data survived: %v", err)
+	}
+}