update tests

__tests__/directory/v3/serializer.test.ts

@@ -0,0 +1,57 @@
+// Unit tests for: serializeResponse
+
+import { GetObjectResponse } from "@aserto/node-directory/src/gen/cjs/aserto/directory/reader/v3/reader_pb";
+
+import { DsRegistry } from "../../../lib/directory/v3/serializer";
+import { InvalidSchemaError } from "../../../lib/errors";
+
+// Mock types
+type MockGenMessage = {
+  $typeName: string;
+};
+
+describe("DsRegistry.serializeResponse()", () => {
+  let dsRegistry: DsRegistry;
+
+  beforeEach(() => {
+    dsRegistry = new DsRegistry();
+  });
+
+  it("serializes a valid response successfully", () => {
+    const mockResponse: GetObjectResponse = {
+      $typeName: "aserto.directory.reader.v3.GetObjectResponse",
+      result: {
+        $typeName: "aserto.directory.common.v3.Object",
+        type: "user",
+        id: "123",
+        displayName: "",
+        etag: "1234",
+      },
+      relations: [],
+    };
+
+    const result = dsRegistry.serializeResponse(mockResponse);
+
+    expect(result).toEqual({
+      relations: [],
+      result: {
+        id: "123",
+        type: "user",
+        displayName: "",
+        etag: "1234",
+      },
+    });
+  });
+
+  it("throws InvalidSchemaError if schema is not registered", () => {
+    const mockResponse: MockGenMessage = {
+      $typeName: "invalid.type.name",
+    };
+
+    expect(() => dsRegistry.serializeResponse(mockResponse)).toThrow(
+      new InvalidSchemaError(
+        "schema not registered for type: [invalid.type.name]",
+      ),
+    );
+  });
+});