react-stable-ref/lib/RenderCount.spec.js

An assortment of utilities for testing against unstable references in React

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var react_1 = __importDefault(require("react"));
var react_2 = require("@testing-library/react");
var RenderCount_1 = __importDefault(require("./RenderCount"));
describe('RenderCount', function () {
    it('should initialize the count at 1', function () {
        var queryByText = react_2.render(react_1.default.createElement(RenderCount_1.default, null)).queryByText;
        expect(queryByText('1')).not.toBe(null);
    });
    it('should count every render correctly', function () {
        var _a = react_2.render(react_1.default.createElement(RenderCount_1.default, null)), rerender = _a.rerender, queryByText = _a.queryByText;
        rerender(react_1.default.createElement(RenderCount_1.default, null));
        rerender(react_1.default.createElement(RenderCount_1.default, null));
        rerender(react_1.default.createElement(RenderCount_1.default, null));
        expect(queryByText('4')).not.toBe(null);
    });
    it('should render controlled count value', function () {
        var queryByText = react_2.render(react_1.default.createElement(RenderCount_1.default, { count: 50 })).queryByText;
        expect(queryByText('50')).not.toBe(null);
    });
    it('should render controlled count value', function () {
        var _a = react_2.render(react_1.default.createElement(RenderCount_1.default, { count: 2 })), rerender = _a.rerender, queryByText = _a.queryByText;
        expect(queryByText('2')).not.toBe(null);
        rerender(react_1.default.createElement(RenderCount_1.default, { count: 3 }));
        expect(queryByText('3')).not.toBe(null);
        rerender(react_1.default.createElement(RenderCount_1.default, { count: 4 }));
        expect(queryByText('4')).not.toBe(null);
        rerender(react_1.default.createElement(RenderCount_1.default, { count: 5 }));
        expect(queryByText('5')).not.toBe(null);
    });
});
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