M. George Hansen
f773d79b91
Adds a new Fragment component that provides the same functionality as React.Fragment. See issue #9 for details. closes issue #9
120 lines
3.7 KiB
TypeScript
120 lines
3.7 KiB
TypeScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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import { Component, createElement, Fragment } from "../../dist";
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import { renderPage } from "../../dist/render";
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import { testSuite } from "../lib";
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testSuite("renderPage", ({ test, expect }) => {
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test("throws an Error when root elem is not html tag", () => {
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expect(() => renderPage(<div />)).toThrowErrorMatching(
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"attempted to render page with non-HTML root element div"
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);
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});
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test("outputs a HTML5 DOCTYPE declaration", () => {
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const html = renderPage(<html />);
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expect(html).toStartWith("<!DOCTYPE html>");
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});
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test("escapes HTML in tag names", () => {
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const html = renderPage(
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<html>{createElement("div></div", null)}</html>
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);
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expect(html).toEqual(
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"<!DOCTYPE html><html><div></div></div></div></html>"
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);
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});
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test("renders html attributes", () => {
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const html = renderPage(
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<html>
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<div className="test" id="1" />
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</html>
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);
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expect(html).toEqual(
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'<!DOCTYPE html><html><div class="test" id="1"></div></html>'
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);
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});
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test("renders common html tags", () => {
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const html = renderPage(
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<html>
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<head>
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<title />
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</head>
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<body>
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<div />
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</body>
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</html>
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);
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expect(html).toEqual(
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"<!DOCTYPE html><html><head><title></title></head><body><div></div></body></html>"
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);
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});
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test("renders text nodes", () => {
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const html = renderPage(<html>There are three lights!</html>);
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expect(html).toEqual(
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"<!DOCTYPE html><html>There are three lights!</html>"
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);
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});
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test("renders spliced number nodes", () => {
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const nLights = 3;
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const html = renderPage(<html>There are {nLights} lights!</html>);
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expect(html).toEqual("<!DOCTYPE html><html>There are 3 lights!</html>");
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});
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test("renders spliced arrays", () => {
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const Light: Component<{ lightN: number }> = ({ lightN }) => (
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<div>{lightN}</div>
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);
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const lights = [1, 2, 3];
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const html = renderPage(
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<html>
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There are{" "}
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{lights.map((lightN) => (
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<Light lightN={lightN} />
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))}{" "}
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lights!
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</html>
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);
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expect(html).toEqual(
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"<!DOCTYPE html><html>There are <div>1</div><div>2</div><div>3</div> lights!</html>"
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);
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});
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test("renders components w/ custom properties", () => {
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interface LightProps {
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nLights: number;
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}
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const Light: Component<LightProps> = ({ nLights }) => (
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<div>{nLights} lights</div>
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);
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const html = renderPage(
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<html>
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There are <Light nLights={3} />!
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</html>
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);
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expect(html).toEqual(
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"<!DOCTYPE html><html>There are <div>3 lights</div>!</html>"
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);
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});
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test("renders fragment children only", () => {
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const html = renderPage(
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<html>
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<Fragment>
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<div>test of</div>
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<div>fragments</div>
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</Fragment>
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</html>
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);
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expect(html).toEqual(
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"<!DOCTYPE html><html><div>test of</div><div>fragments</div></html>"
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);
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});
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});
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