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test.tsx
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test.tsx
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/** @jsx h */
import html, { h, type Plugin } from "./mod.ts";
import { assertEquals } from "https://deno.land/std@0.217.0/assert/mod.ts";
Deno.test("without options", async () => {
const res = await html(<h1>Hello</h1>);
assertEquals(res.headers.get("content-type"), "text/html; charset=utf-8");
assertEquals(
await res.text(),
`<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"></head><body><h1>Hello</h1></body></html>`,
);
const res2 = await html("<h1>Hello</h1>");
assertEquals(res2.headers.get("content-type"), "text/html; charset=utf-8");
assertEquals(
await res2.text(),
`<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"></head><body><h1>Hello</h1></body></html>`,
);
});
Deno.test("with options", async () => {
const res = await html({
lang: "html",
title: "Hello",
classes: {
html: ["h", "dark", false && "never"],
body: ["b", "bg-black", false && "never"],
},
meta: {
description: "Hello",
never: false,
},
links: [
false && "never",
{ rel: "icon", href: "/favicon.ico" },
],
styles: [
false && "never",
`.bg-black{background-color:black}`,
{
href: "style.css",
},
],
scripts: [
false && "never",
`console.log("Hello")`,
{
src: "main.mjs",
type: "module",
},
],
body: <h1>Hello</h1>,
});
assertEquals(res.headers.get("content-type"), "text/html; charset=utf-8");
assertEquals(
await res.text(),
[
`<!DOCTYPE html><html lang="html" class="h dark">`,
`<head><meta charSet="utf-8"><title>Hello</title>`,
`<meta name="description" content="Hello">`,
`<link rel="icon" href="/favicon.ico">`,
`<style>.bg-black{background-color:black}</style>`,
`<link rel="stylesheet" href="style.css">`,
`<script>console.log("Hello")</script>`,
`<script type="module" src="main.mjs"></script>`,
`</head><body class="b bg-black"><h1>Hello</h1></body></html>`,
].join(""),
);
});
Deno.test("using component", async () => {
const App = ({ title }: { title: string }) => (
<h1>Hello</h1>
);
const res = await html(<App title="Hello" />);
assertEquals(res.headers.get("content-type"), "text/html; charset=utf-8");
assertEquals(
await res.text(),
`<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"></head><body><h1>Hello</h1></body></html>`,
);
})
Deno.test("with plugin", async () => {
const plugin: Plugin & { disabled?: boolean } = (ctx) => {
if (plugin.disabled) return;
ctx.lang = "html";
ctx.title = "Hello";
ctx.classes.html.push("h", "dark");
ctx.classes.body.push("b", "bg-black");
ctx.meta.description = "Hello";
ctx.links.push({ rel: "icon", href: "/favicon.ico" });
ctx.styles.push(`.bg-black{background-color:black}`);
ctx.styles.push({ href: "style.css" });
ctx.scripts.push(`console.log("Hello")`);
ctx.scripts.push({ src: "main.mjs", type: "module" });
ctx.headers.set("x-plugin", "true");
};
const expectedHtml = [
`<!DOCTYPE html><html lang="html" class="h dark">`,
`<head><meta charSet="utf-8"><title>Hello</title>`,
`<meta name="description" content="Hello">`,
`<link rel="icon" href="/favicon.ico">`,
`<style>.bg-black{background-color:black}</style>`,
`<link rel="stylesheet" href="style.css">`,
`<script>console.log("Hello")</script>`,
`<script type="module" src="main.mjs"></script>`,
`</head><body class="b bg-black"><h1>Hello</h1></body></html>`,
].join("");
html.use(plugin);
const res1 = await html({
body: <h1>Hello</h1>,
plugins: [plugin],
});
assertEquals(res1.headers.get("content-type"), "text/html; charset=utf-8");
assertEquals(res1.headers.get("x-plugin"), "true");
assertEquals(await res1.text(), expectedHtml);
const res2 = await html({
body: <h1>Hello</h1>,
plugins: [plugin],
});
assertEquals(res2.headers.get("content-type"), "text/html; charset=utf-8");
assertEquals(res1.headers.get("x-plugin"), "true");
assertEquals(await res2.text(), expectedHtml);
plugin.disabled = true;
});
Deno.test("using custom http status", async () => {
const res = await html({
status: 404,
body: <h1>Not Found</h1>,
});
assertEquals(res.status, 404);
assertEquals(
await res.text(),
`<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"></head><body><h1>Not Found</h1></body></html>`,
);
});
Deno.test("adding custom http headers", async () => {
const res = await html({
headers: new Headers({
"x-custom-header": "hello",
}),
body: <h1>Hello</h1>,
});
assertEquals(res.headers.get("x-custom-header"), "hello");
assertEquals(
await res.text(),
`<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"></head><body><h1>Hello</h1></body></html>`,
);
});