pages.test.ts

17.8 KB · raw

1import { beforeAll, describe, expect, test } from "bun:test";2import { mkdtemp, writeFile } from "node:fs/promises";3import { tmpdir } from "node:os";4import { join } from "node:path";5import type { Hono } from "hono";6import { openBucket } from "../src/bucket/reader.ts";7import { syncAll } from "../src/bucket/sync.ts";8import { fileAt, objectBytes } from "../src/mirror/queries.ts";9import { openMirror } from "../src/mirror/store.ts";10import { createApp } from "../src/server/app.ts";11import { openKeprDb } from "../src/server/db.ts";12import { type Fixture, makeKohBucket } from "./fixture.ts";1314let fx: Fixture;15let app: Hono;16let mirrorDir: string;17let tailSaves: string[];18const get = (path: string) => app.request(path);19const body = async (path: string) => (await get(path)).text();2021beforeAll(async () => {22	fx = await makeKohBucket();23	const secretRepo = await makeKohBucket("hidden");24	const large = await makeKohBucket("large");25	// Over 1 MB each: text with a two-byte "é" split by the 1 MB mark, and invalid UTF-8 with no NUL.26	await writeFile(27		join(large.repoDir, "big.txt"),28		`${"a".repeat(1024 * 1024 - 1)}é${"b".repeat(1000)}\n`,29	);30	await writeFile(join(large.repoDir, "big.bin"), new Uint8Array(1024 * 1024 + 500).fill(0xff));31	Bun.spawnSync(["koh3", "save", "add large files"], {32		cwd: large.repoDir,33		env: { PATH: process.env.PATH, HOME: join(large.repoDir, "../../home"), NO_COLOR: "1" },34	});35	// A file that gains its final newline, then loses it again.36	const tail = await makeKohBucket("tail");37	const tailEnv = { PATH: process.env.PATH, HOME: join(tail.repoDir, "../../home"), NO_COLOR: "1" };38	for (const [text, message] of [39		["a\nb", "add tail"],40		["a\nb\n", "end tail with a newline"],41		["a\nb", "drop the newline"],42	] as const) {43		await writeFile(join(tail.repoDir, "tail.txt"), text);44		Bun.spawnSync(["koh3", "save", message], { cwd: tail.repoDir, env: tailEnv });45	}46	tailSaves = JSON.parse(47		Bun.spawnSync(["koh3", "log", "--json"], { cwd: tail.repoDir, env: tailEnv }).stdout.toString(),48	).saves.map((save: { id: string }) => save.id);49	const dataDir = await mkdtemp(join(tmpdir(), "kepr-pages-"));50	mirrorDir = join(dataDir, "mirror");51	const kepr = openKeprDb(dataDir);52	for (const bucketDir of [fx.bucketDir, secretRepo.bucketDir, large.bucketDir, tail.bucketDir]) {53		const bucket = openBucket({ kind: "folder", path: bucketDir });54		await syncAll({ bucket, kepr, mirrorDir, tarballDir: join(dataDir, "tarballs") });55	}56	kepr.run(57		"UPDATE repos SET public = 1, install1 = 'nix profile add x', homepage = 'https://demo.example' WHERE name = 'demo'",58	);59	kepr.run("UPDATE repos SET public = 1 WHERE name IN ('large', 'tail')");60	app = createApp(61		{62			domain: "kepr.example",63			dataDir,64			adminPasswordHash: "$argon2id$x",65			bucket: { kind: "folder", path: fx.bucketDir },66		},67		kepr,68	);69});7071const [head, , second, first] = [0, 1, 2, 3].map((i) => () => fx.saveIds[i] as string);7273describe("the visibility gate", () => {74	test("a private repo and an unknown one are the same 404, everywhere", async () => {75		for (const suffix of ["", "/files/src/main.ts", "/raw/src/main.ts"]) {76			const hidden = await get(`/hidden${suffix}`);77			const missing = await get(`/nowhere${suffix}`);78			expect(hidden.status).toBe(404);79			expect(missing.status).toBe(404);80			expect((await hidden.text()).replaceAll("/hidden", "/nowhere")).toBe(await missing.text());81		}82	});83});8485describe("the repo page", () => {86	test("renders header, timeline, history and README at HEAD with a short cache", async () => {87		const response = await get("/demo");88		expect(response.status).toBe(200);89		expect(response.headers.get("cache-control")).toBe("public, max-age=60");90		const page = await response.text();91		expect(page).toContain('<h1 class="repo-name">demo</h1>');92		// The README opens with an HTML comment and a raw <p align>; neither is the intro.93		expect(/<div class="repo-desc"><p>(.*?)<\/p>/.exec(page)?.[1]).toBe(94			"A small repo for <strong>Kepr's</strong> tests.",95		);96		expect(page).toContain(97			'<meta property="og:description" content="A small repo for Kepr&#39;s tests.">',98		);99		expect(page).toContain('href="https://demo.example"');100		expect(page).toContain('<span class="lang-badge">TypeScript</span>');101		expect(page).toContain("3 saves");102		expect(page).toContain('data-copy="nix profile add x"');103		expect(page.match(/class="dot d\d"/g)?.length).toBe(3);104		expect(page).toContain("density = activity · position = time");105		const history = [...page.matchAll(/class="history-id">([0-9a-f]+)</g)].map((m) => m[1]);106		expect(history).toEqual([head(), second(), first()]);107	});108109	test("checkpoints never appear", async () => {110		expect(await body("/demo")).not.toContain(fx.saveIds[1] as string);111	});112113	test("the README points relative links and images at raw files and drops unsafe links", async () => {114		const page = await body("/demo");115		expect(page).toContain('<a href="/demo/raw/docs/guide.md">the guide</a>');116		expect(page).toContain('<img src="/demo/raw/docs/logo.png" alt="logo">');117		expect(page).toContain('<a href="https://example.com">the site</a>');118		expect(page).not.toContain('href="javascript:');119		expect(page).toContain("&lt;script&gt;alert");120		expect(page).not.toContain("<script>alert");121	});122});123124describe("the file viewer", () => {125	test("shows a file at HEAD and at an old save, with line anchors", async () => {126		const now = await get("/demo/files/src/main.ts");127		expect(now.headers.get("cache-control")).toBe("public, max-age=60");128		const nowPage = await now.text();129		expect(nowPage).toContain("hello");130		expect(nowPage).toContain(131			'<span class="line" id="L2"><a class="ln" href="#L2">2</a><span class="lc">',132		);133		expect(nowPage).toContain('class="tk-');134135		const then = await get(`/demo/files/src/main.ts?at=${second().slice(0, 6)}`);136		expect(then.headers.get("cache-control")).toBe("private, max-age=31536000");137		const thenPage = await then.text();138		expect(thenPage).toContain("&#39;hi&#39;");139		expect(thenPage).not.toContain("hello");140		expect(thenPage).toContain(`/demo/raw/src/main.ts?at=${second()}`);141	});142143	test("a file absent at that save, a bad save or an unsafe path is a 404", async () => {144		expect((await get(`/demo/files/src/main.ts?at=${first()}`)).status).toBe(404);145		expect((await get("/demo/files/src/main.ts?at=zzzzzz")).status).toBe(404);146		expect((await get("/demo/files/src/main.ts?at=abc")).status).toBe(404);147		expect((await get("/demo/files/src%2F..%2FREADME.md")).status).toBe(404);148		expect((await get("/demo/files/nothing.txt")).status).toBe(404);149	});150151	test("Markdown renders, with a source toggle", async () => {152		const rendered = await body("/demo/files/docs/guide.md");153		expect(rendered).toContain("<h1>Guide</h1>");154		const source = await body("/demo/files/docs/guide.md?view=source");155		expect(source).toContain('id="L1"');156		expect(source).not.toContain("<h1>Guide</h1>");157	});158159	test("an image displays inline from its raw file", async () => {160		expect(await body("/demo/files/docs/logo.png")).toContain('<img src="/demo/raw/docs/logo.png"');161	});162});163164describe("files over 1 MB", () => {165	test("text shows its first 1 MB with a raw link, even with a character cut at the mark", async () => {166		const page = await body("/large/files/big.txt");167		expect(page).toContain("showing the first 1 MB");168		expect(page).toContain('href="/large/raw/big.txt"');169		expect(page).not.toContain("bbb");170		const raw = await get("/large/raw/big.txt");171		expect(raw.headers.get("content-type")).toBe("text/plain; charset=utf-8");172	});173174	test("invalid UTF-8 without a NUL is binary, not text", async () => {175		const page = await body("/large/files/big.bin");176		expect(page).toContain("binary file");177		expect(page).not.toContain('class="code"');178		const raw = await get("/large/raw/big.bin");179		expect(raw.headers.get("content-type")).toBe("application/octet-stream");180	});181});182183describe("the Atlas", () => {184	// The detail panel markup waiting in the <template> after a file's row.185	const panelOf = (page: string, name: string) =>186		new RegExp(`data-name="${name}">.*?</a>\\n<template>(.*?)</template>`, "s").exec(page)?.[1] ??187		"";188	const rowOf = (page: string, name: string) =>189		new RegExp(`data-name="${name}">(.*?)</a>`, "s").exec(page)?.[1] ?? "";190191	test("sits between the timeline and History", async () => {192		const page = await body("/demo");193		const atlas = page.indexOf('id="atlas"');194		expect(page.indexOf('class="timeline"')).toBeLessThan(atlas);195		expect(atlas).toBeLessThan(page.indexOf('id="history"'));196	});197198	test("is a folder tree, folders first, then files, alphabetical", async () => {199		const names = [...(await body("/demo")).matchAll(/class="atlas-name">([^<]*)</g)].map(200			(m) => m[1],201		);202		expect(names).toEqual([203			"docs/",204			"guide.md",205			"logo.png",206			"src/",207			"lib/",208			"deep/",209			"util.ts",210			"main.ts",211			"vendor/",212			"big.c",213			".kohignore",214			"README.md",215			"secret.txt",216		]);217	});218219	test("rows carry the first sentence of the file's own comment, rendered, and link to the file", async () => {220		const page = await body("/demo");221		expect(rowOf(page, "util.ts")).toContain(222			'<span class="atlas-desc">The <em>one</em> helper.</span>',223		);224		expect(rowOf(page, "main.ts")).toContain("Entry point.");225		expect(rowOf(page, "guide.md")).toContain('<span class="atlas-desc">Read me.</span>');226		expect(rowOf(page, "secret.txt")).toContain('<span class="atlas-desc"></span>');227		expect(page).toContain(228			'<a class="atlas-row atlas-file" href="/demo/files/src/main.ts" data-name="main.ts">',229		);230		expect(panelOf(page, "util.ts")).toContain("<p>The <em>one</em> helper. Deep down.</p>");231	});232233	test("the panel counts only real saves, crediting a checkpoint's change to the next save", async () => {234		const page = await body("/demo");235		const main = panelOf(page, "main.ts");236		expect(main).toContain("<dt>lines</dt><dd>2</dd>");237		expect(main).toContain("<dt>saves</dt><dd>2</dd>");238		expect(main).toContain(`<dt>first save</dt><dd><a href="/demo/saves/${second()}">`);239		expect(main).toContain(`<dt>last save</dt><dd><a href="/demo/saves/${head()}">`);240		expect(main.indexOf(head())).toBeLessThan(main.lastIndexOf(second()));241		const guide = panelOf(page, "guide.md");242		expect(guide).toContain("<dt>saves</dt><dd>2</dd>");243		expect(guide).toContain(`<dt>last save</dt><dd><a href="/demo/saves/${head()}">`);244		expect(panelOf(page, "logo.png")).toContain("<dt>lines</dt><dd>binary</dd>");245		expect(page).not.toContain(fx.saveIds[1] as string);246	});247248	test("a folder's panel sums its files and counts the saves that touched anything under it", async () => {249		const page = await body("/demo");250		const folderPanel = (path: string) =>251			new RegExp(252				`data-path="${path}">\\n<summary.*?</summary>\\n<template>(.*?)</template>`,253				"s",254			).exec(page)?.[1] ?? "";255		const docs = folderPanel("docs");256		expect(docs).toContain('<p class="atlas-info-path mono">docs</p>');257		expect(docs).toContain("<dt>lines</dt><dd>3</dd>");258		expect(docs).toContain("<dt>files</dt><dd>2</dd>");259		expect(docs).toContain("<dt>saves</dt><dd>2</dd>");260		expect(docs).toContain(`<dt>first save</dt><dd><a href="/demo/saves/${first()}">`);261		expect(docs).toContain(`<dt>last save</dt><dd><a href="/demo/saves/${head()}">`);262		const src = folderPanel("src");263		expect(src).toContain("<dt>saves</dt><dd>3</dd>");264		const recentIds = [265			...(/<ul class="atlas-recent">(.*?)<\/ul>/s.exec(src)?.[1] ?? "").matchAll(266				/saves\/([0-9a-f]+)/g,267			),268		].map((m) => m[1]);269		expect(recentIds).toEqual([head(), second(), first()]);270	});271272	test("can be viewed at an older save, and an unknown save is a 404", async () => {273		const page = await body(`/demo?at=${second().slice(0, 8)}`);274		expect(page).toContain(`at <a href="/demo/saves/${second()}">${second()}</a>`);275		expect(page).toContain(`href="/demo/files/src/main.ts?at=${second()}"`);276		expect(panelOf(page, "main.ts")).toContain("<dt>saves</dt><dd>1</dd>");277		expect(panelOf(page, "main.ts")).not.toContain(head());278		const oldest = await body(`/demo?at=${first()}`);279		expect(oldest).not.toContain('data-name="main.ts"');280		expect((await get("/demo?at=abcdef")).status).toBe(404);281		expect((await get("/demo?at=../x")).status).toBe(404);282	});283});284285describe("the save page", () => {286	test("shows the save's facts and diffs against the previous real save, skipping the checkpoint", async () => {287		const response = await get(`/demo/saves/${head()}`);288		expect(response.status).toBe(200);289		expect(response.headers.get("cache-control")).toBe("public, max-age=60");290		const page = await response.text();291		expect(page).toContain('<h1 class="save-message-head">say hello</h1>');292		expect(page).toContain(293			`<dt>parent</dt><dd><a href="/demo/saves/${second()}">${second()}</a></dd>`,294		);295		expect(page).not.toContain(fx.saveIds[1] as string);296		expect(page).not.toContain("save-flag");297		// The guide's edit was first recorded by the checkpoint; it belongs to this save.298		const rows = [299			...page.matchAll(300				/class="change-row change-(\w+)" href="#diff-\d"><span class="change-path">([^<]+)</g,301			),302		];303		expect(rows.map((m) => [m[1], m[2]])).toEqual([304			["modified", "docs/guide.md"],305			["modified", "src/main.ts"],306		]);307		expect(page).toContain('<span class="diff-add">+1</span> <span class="diff-del">−1</span>');308		expect(page).toContain('<span class="dh">@@ -1,2 +1,2 @@</span>');309		expect(page).toContain(310			'<span class="dl dl-del"><span class="ln">2</span><span class="ln"></span><span class="ds">-</span>',311		);312		expect(page).toContain('class="tk-');313		expect(page).toContain(`href="/demo/archive/${head()}.tar.gz"`);314		expect(page).toContain(`href="/demo?at=${head()}#atlas"`);315	});316317	test("the first save diffs against nothing, notes binaries, and shows its flag and agent", async () => {318		const page = await body(`/demo/saves/${first()}`);319		expect(page).toContain('<span class="save-flag-label mono">flagged</span> holds a secret');320		expect(page).toContain("<dt>parent</dt><dd>none, the first save</dd>");321		expect(page).toContain(322			'change-added" href="#diff-2"><span class="change-path">docs/logo.png</span><span class="change-stat mono"><span class="diff-note">binary</span>',323		);324		expect(page).toContain("binary file, not shown");325		expect(page).toContain('<span class="dh">@@ -0,0 +1 @@</span>');326		const second_ = await body(`/demo/saves/${second()}`);327		expect(second_).toContain("<dt>agent</dt><dd>test-agent</dd><dt>session</dt><dd>fixture</dd>");328		expect(second_).not.toContain("save-flag");329	});330331	test("a change to the final newline alone is a changed last line, marked as in GNU diff", async () => {332		const marker = '<span class="dh">\\ No newline at end of file</span>';333		const row = (kind: string, a: string, b: string, sign: string) =>334			`<span class="dl dl-${kind}"><span class="ln">${a}</span><span class="ln">${b}</span><span class="ds">${sign}</span><span class="lc">b</span></span>`;335		const gained = await body(`/tail/saves/${tailSaves[1]}`);336		expect(gained).toContain('<span class="diff-add">+1</span> <span class="diff-del">−1</span>');337		expect(gained).toContain(`${row("del", "2", "", "-")}${marker}${row("add", "", "2", "+")}<`);338		const lost = await body(`/tail/saves/${tailSaves[0]}`);339		expect(lost).toContain(`${row("del", "2", "", "-")}${row("add", "", "2", "+")}${marker}`);340	});341342	test("a prefix redirects, and a checkpoint, an unknown or a private save is a 404", async () => {343		const short = await get(`/demo/saves/${head().slice(0, 6)}`);344		expect(short.status).toBe(302);345		expect(short.headers.get("location")).toBe(`/demo/saves/${head()}`);346		expect((await get(`/demo/saves/${fx.saveIds[1]}`)).status).toBe(404);347		expect((await get("/demo/saves/abcdef")).status).toBe(404);348		expect((await get("/demo/saves/abc")).status).toBe(404);349		expect((await get(`/hidden/saves/${head()}`)).status).toBe(404);350	});351});352353describe("raw files", () => {354	test("are the exact object bytes, text as text/plain", async () => {355		const mirror = openMirror(mirrorDir, "demo");356		for (const [path, type] of [357			["src/main.ts", "text/plain; charset=utf-8"],358			["docs/logo.png", "image/png"],359			["README.md", "text/plain; charset=utf-8"],360		] as const) {361			const response = await get(`/demo/raw/${path}`);362			const file = fileAt(mirror, head(), path);363			expect(response.headers.get("content-type")).toBe(type);364			expect(new Uint8Array(await response.arrayBuffer())).toEqual(365				objectBytes(mirror, file?.hash as string) as Uint8Array<ArrayBuffer>,366			);367		}368		expect(await (await get(`/demo/raw/src/main.ts?at=${second()}`)).text()).toContain("'hi'");369	});370});371372test("static assets are served and the CSP allows Bunny Fonts but no inline script", async () => {373	const css = await get("/static/css/kepr.css");374	expect(css.status).toBe(200);375	expect(css.headers.get("content-type")).toContain("text/css");376	expect((await get("/static/../package.json")).status).toBe(404);377	const csp = (await get("/demo")).headers.get("content-security-policy") ?? "";378	expect(csp).toContain("style-src 'self' https://fonts.bunny.net");379	expect(csp).toContain("font-src https://fonts.bunny.net");380	expect(csp).not.toContain("unsafe-inline");381});382383describe("housekeeping routes", () => {384	test("robots.txt points at the sitemap, which lists public repos only", async () => {385		expect(await body("/robots.txt")).toBe(386			"User-agent: *\nAllow: /\n\nSitemap: https://kepr.example/sitemap.xml\n",387		);388		const sitemap = await get("/sitemap.xml");389		expect(sitemap.headers.get("Content-Type")).toBe("application/xml; charset=UTF-8");390		const xml = await sitemap.text();391		expect(xml).toStartWith('<?xml version="1.0" encoding="UTF-8"?>\n<urlset');392		for (const repo of ["demo", "large", "tail"]) {393			expect(xml).toContain(`<loc>https://kepr.example/${repo}</loc>`);394		}395		expect(xml).not.toContain("hidden");396	});397398	test("favicon.svg is Kepr 2's mark, and every page links it", async () => {399		const res = await get("/favicon.svg");400		expect(res.headers.get("Content-Type")).toBe("image/svg+xml");401		expect(await res.text()).toContain('<polygon points="16,3 27,23 5,23"');402		expect(await body("/demo")).toContain(403			'<link rel="icon" href="/favicon.svg" type="image/svg+xml">',404		);405	});406});