fix: fix handle normal case with nested Class and add testcase

Author: fospring

examples/__tests__/test-status-deserialize-class.ava.js

@@ -41,15 +41,18 @@ test("Ali sets then gets status", async (t) => {
   );
 });
 
-test("Ali set_car_info and get_car_info", async (t) => {
+test.only("Ali set_truck_info and get_truck_info", async (t) => {
   const { ali, statusMessage } = t.context.accounts;
   let carName = "Mercedes-Benz";
   let speed = 240;
-  await ali.call(statusMessage, "set_car_info", { name: carName, speed: speed });
+  await ali.call(statusMessage, "set_truck_info", { name: carName, speed: speed });
+
+  await ali.call(statusMessage, "add_truck_load", { name: "alice", load: "a box" });
+  await ali.call(statusMessage, "add_truck_load", { name: "bob", load: "a packet" });
 
   t.is(
-      await statusMessage.view("get_car_info", { }),
-      carName + " run with speed " + speed
+      await statusMessage.view("get_truck_info", { }),
+      carName + " run with speed " + speed + " with loads length: 2"
   );
 
   t.is(

examples/src/status-deserialize-class.js

@@ -24,12 +24,29 @@ class Car {
     }
 }
 
+class Truck {
+    static schema = {
+        name: "string",
+        speed: "number",
+        loads: {unordered_map: {value: 'string'}}
+    };
+    constructor() {
+        this.name = "";
+        this.speed = 0;
+        this.loads = new UnorderedMap("tra");
+    }
+
+    info() {
+        return this.name + " run with speed " + this.speed.toString() + " with loads length: " + this.loads.toArray().length;
+    }
+}
+
 @NearBindgen({})
 export class StatusDeserializeClass {
     static schema = {
         is_inited: "boolean",
         records: {map: { key: 'string', value: 'string' }},
-        car: Car,
+        truck: Truck,
         messages: {array: {value: 'string'}},
         efficient_recordes: {unordered_map: {value: 'string'}},
         nested_efficient_recordes: {unordered_map: {value: { unordered_map: {value: 'string'}}}},
@@ -44,7 +61,7 @@ export class StatusDeserializeClass {
     constructor() {
         this.is_inited = false;
         this.records = {};
-        this.car = new Car();
+        this.truck = new Truck();
         this.messages = [];
         // account_id -> message
         this.efficient_recordes = new UnorderedMap("a");
@@ -92,20 +109,31 @@ export class StatusDeserializeClass {
 
 
     @call({})
-    set_car_info({ name, speed }) {
+    set_truck_info({ name, speed }) {
         let account_id = near.signerAccountId();
-        near.log(`${account_id} set_car_info name ${name}, speed ${speed}`);
+        near.log(`${account_id} set_truck_info name ${name}, speed ${speed}`);
+        let truck = new Truck();
+        truck.name = name;
+        truck.speed = speed;
+        truck.loads = this.truck.loads;
+        this.truck = truck;
         let car = new Car();
         car.name = name;
         car.speed = speed;
-        this.car = car;
         this.user_car_map.set(account_id, car);
     }
 
+    @call({})
+    add_truck_load({ name, load }) {
+        let account_id = near.signerAccountId();
+        near.log(`${account_id} add_truck_load name ${name}, load ${load}`);
+        this.truck.loads.set(name, load);
+    }
+
     @view({})
-    get_car_info({ }) {
-        near.log(`get_car_info`);
-        return this.car.info();
+    get_truck_info({ }) {
+        near.log(`get_truck_info`);
+        return this.truck.info();
     }
 
     @view({})

packages/near-sdk-js/lib/utils.js

@@ -275,9 +275,7 @@ export function decodeObj2class(class_instance, obj) {
           return subtype_value;
         };
       } else {
-        // normal class
-        class_instance[key].constructor.schema =
-          class_instance.constructor.schema[key];
+        // normal case with nested Class, such as field is truck: Truck,
         class_instance[key] = decodeObj2class(class_instance[key], obj[key]);
       }
     } else {