Add test for resource class

shell/plugins/dashboard-store/__tests__/resource-class.test.ts

@@ -0,0 +1,46 @@
+import Resource from '@shell/plugins/dashboard-store/resource-class.js';
+
+describe('class: Resource', () => {
+  describe('given custom resource keys', () => {
+    const customResource = {
+      __rehydrate: 'whatever',
+      __clone:     'whatever',
+    };
+
+    it('should keep internal keys', () => {
+      const resource = new Resource(customResource, {
+        getters:     { schemaFor: () => ({ linkFor: jest.fn() }) },
+        dispatch:    jest.fn(),
+        rootGetters: { 'i18n/t': jest.fn() },
+      });
+
+      expect({ ...resource }).toStrictEqual(customResource);
+    });
+
+    describe('method: save', () => {
+    /**
+     * DISCLAIMER ***************************************************************************************
+     * Logs are prevented to avoid polluting the test output.
+     ****************************************************************************************************
+    */
+      // eslint-disable-next-line jest/no-hooks
+      beforeEach(() => {
+        jest.spyOn(console, 'warn').mockImplementation(() => { });
+      });
+
+      it('should remove all the internal keys', async() => {
+        const resource = new Resource(customResource, {
+          getters:     { schemaFor: () => ({ linkFor: jest.fn() }) },
+          dispatch:    jest.fn(),
+          rootGetters: { 'i18n/t': jest.fn() },
+        });
+
+        const expectation = {};
+
+        await resource.save();
+
+        expect({ ...resource }).toStrictEqual(expectation);
+      });
+    });
+  });
+});