@specifai-net/appsync-template-tester/dist/value-mapper/tests/to-json.test.js

Unit test AppSync VTL resolvers, with popular frameworks such as Jest

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const to_json_1 = require("../to-json");
describe("Velocity - ValueMapper toJSON", () => {
    it("should call toJSON if the value object has method toJSON", () => {
        const JSON_VALUE = "MOCK_JSON_VALUE";
        const testObj = {
            toJSON: jest.fn().mockReturnValue(JSON_VALUE),
        };
        expect((0, to_json_1.toJSON)(testObj)).toEqual(JSON_VALUE);
        expect(testObj.toJSON).toHaveBeenCalled();
    });
    it("should not call toJSON if the object is null", () => {
        expect((0, to_json_1.toJSON)(null)).toEqual(null);
    });
    it("should return the source object if it doesnot implement toJSON", () => {
        const testObj = {
            foo: "Foo",
        };
        expect((0, to_json_1.toJSON)(testObj)).toEqual(testObj);
    });
});
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