pages.test.ts

19.9 KB · raw

1import { Database } from "bun:sqlite";2import { beforeAll, describe, expect, test } from "bun:test";3import { mkdir, mkdtemp, writeFile } from "node:fs/promises";4import { tmpdir } from "node:os";5import { join } from "node:path";6import type { Hono } from "hono";7import { openBucket } from "../src/bucket/reader.ts";8import { syncAll } from "../src/bucket/sync.ts";9import { fileAt, objectBytes, type Save } from "../src/mirror/queries.ts";10import { openMirror } from "../src/mirror/store.ts";11import { repoCards } from "../src/pages/library.ts";12import { timelineSvg } from "../src/pages/timeline.ts";13import { createApp } from "../src/server/app.ts";14import { openKeprDb } from "../src/server/db.ts";15import { type Fixture, makeKohBucket } from "./fixture.ts";1617let fx: Fixture;18let app: Hono;19let mirrorDir: string;20let tailSaves: string[];21const get = (path: string) => app.request(path);22const body = async (path: string) => (await get(path)).text();2324beforeAll(async () => {25	fx = await makeKohBucket();26	const secretRepo = await makeKohBucket("hidden");27	const large = await makeKohBucket("large");28	// Over 1 MB each: text with a two-byte "é" split by the 1 MB mark, and invalid UTF-8 with no NUL.29	await writeFile(30		join(large.repoDir, "big.txt"),31		`${"a".repeat(1024 * 1024 - 1)}é${"b".repeat(1000)}\n`,32	);33	await writeFile(join(large.repoDir, "big.bin"), new Uint8Array(1024 * 1024 + 500).fill(0xff));34	Bun.spawnSync(["koh3", "save", "add large files"], {35		cwd: large.repoDir,36		env: { PATH: process.env.PATH, HOME: join(large.repoDir, "../../home"), NO_COLOR: "1" },37	});38	// A file that gains its final newline, then loses it again.39	const tail = await makeKohBucket("tail");40	const tailEnv = { PATH: process.env.PATH, HOME: join(tail.repoDir, "../../home"), NO_COLOR: "1" };41	for (const [text, message] of [42		["a\nb", "add tail"],43		["a\nb\n", "end tail with a newline"],44		["a\nb", "drop the newline"],45	] as const) {46		await writeFile(join(tail.repoDir, "tail.txt"), text);47		Bun.spawnSync(["koh3", "save", message], { cwd: tail.repoDir, env: tailEnv });48	}49	tailSaves = JSON.parse(50		Bun.spawnSync(["koh3", "log", "--json"], { cwd: tail.repoDir, env: tailEnv }).stdout.toString(),51	).saves.map((save: { id: string }) => save.id);52	const dataDir = await mkdtemp(join(tmpdir(), "kepr-pages-"));53	await mkdir(join(dataDir, "assets"));54	await writeFile(join(dataDir, "assets", "plain.txt"), "asset\n");55	const kepr = openKeprDb(dataDir);56	mirrorDir = join(dataDir, "mirror");57	for (const bucketDir of [fx.bucketDir, secretRepo.bucketDir, large.bucketDir, tail.bucketDir]) {58		const bucket = openBucket({ kind: "folder", path: bucketDir });59		await syncAll({ bucket, kepr, mirrorDir, tarballDir: join(dataDir, "tarballs") });60	}61	kepr.run(62		"UPDATE repos SET public = 1, install1 = 'nix profile add x', homepage = 'https://demo.example' WHERE name = 'demo'",63	);64	kepr.run("UPDATE repos SET public = 1 WHERE name IN ('large', 'tail')");65	app = createApp(66		{67			domain: "kepr.example",68			dataDir,69			adminPasswordHash: "$argon2id$x",70			bucket: { kind: "folder", path: fx.bucketDir },71		},72		kepr,73	);74});7576const [head, , second, first] = [0, 1, 2, 3].map((i) => () => fx.saveIds[i] as string);7778describe("the visibility gate", () => {79	test("a private repo and an unknown one are the same 404, everywhere", async () => {80		for (const suffix of ["", "/files/src/main.ts", "/raw/src/main.ts"]) {81			const hidden = await get(`/hidden${suffix}`);82			const missing = await get(`/nowhere${suffix}`);83			expect(hidden.status).toBe(404);84			expect(missing.status).toBe(404);85			expect((await hidden.text()).replaceAll("/hidden", "/nowhere")).toBe(await missing.text());86		}87	});88});8990describe("the repo page", () => {91	test("renders header, timeline, history and README at HEAD with a short cache", async () => {92		const response = await get("/demo");93		expect(response.status).toBe(200);94		expect(response.headers.get("cache-control")).toBe("public, max-age=60");95		const page = await response.text();96		expect(page).toContain('<h1 class="repo-name">demo</h1>');97		// The README opens with an HTML comment and a raw <p align>; neither is the intro.98		expect(/<div class="repo-desc"><p>(.*?)<\/p>/.exec(page)?.[1]).toBe(99			"A small repo for <strong>Kepr's</strong> tests.",100		);101		expect(page).toContain(102			'<meta property="og:description" content="A small repo for Kepr&#39;s tests.">',103		);104		expect(page).toContain('href="https://demo.example"');105		expect(page).toContain('<span class="lang-badge">TypeScript</span>');106		expect(page).toContain("3 saves");107		expect(page).toContain('data-copy="nix profile add x"');108		expect(page.match(/class="dot d\d"/g)?.length).toBe(3);109		expect(page).toContain("density = activity · position = time");110		const history = [...page.matchAll(/class="history-id">([0-9a-f]+)</g)].map((m) => m[1]);111		expect(history).toEqual([head(), second(), first()]);112	});113114	test("a page past the last, or too large to bind, is page 1", async () => {115		const history = (page: string) => [...page.matchAll(/class="history-id">([0-9a-f]+)</g)];116		for (const query of ["?page=2", `?page=${"9".repeat(400)}`, "?page=1e999", "?page=x"]) {117			const response = await get(`/demo${query}`);118			expect([query, response.status]).toEqual([query, 200]);119			expect(history(await response.text()).length).toBe(3);120		}121	});122123	test("checkpoints never appear", async () => {124		expect(await body("/demo")).not.toContain(fx.saveIds[1] as string);125	});126127	test("the README points relative links and images at raw files and drops unsafe links", async () => {128		const page = await body("/demo");129		expect(page).toContain('<a href="/demo/raw/docs/guide.md">the guide</a>');130		expect(page).toContain('<img src="/demo/raw/docs/logo.png" alt="logo">');131		expect(page).toContain('<a href="https://example.com">the site</a>');132		expect(page).not.toContain('href="javascript:');133		expect(page).toContain("&lt;script&gt;alert");134		expect(page).not.toContain("<script>alert");135	});136});137138describe("the timeline and card ticks", () => {139	// A replayed save keeps its original time, so newest-first order is not time order.140	const saves = [300, 100, 500, 200].map(141		(created_at, i): Save => ({142			id: `00000000000${i}`,143			parent: "",144			message: "m",145			created_at: created_at * 86400,146			machine: "m",147			agent: "",148			session: "",149			is_checkpoint: false,150		}),151	);152153	test("span from the earliest to the latest save, whatever the line's order", () => {154		const dots = [...timelineSvg("demo", saves).value.matchAll(/cx="([\d.]+)%"/g)].map((m) => m[1]);155		expect(dots).toEqual(["50.000", "1.000", "99.000", "25.500"]);156		const card = repoCards([157			{158				settings: { name: "demo", category: "", homepage: "", installLines: [] },159				mirror: new Database(":memory:"),160				stats: { saves: 4, lines: 0, language: "", updated: null },161				description: "",162				saves,163			},164		]).value;165		const ticks = [...card.matchAll(/<line x1="([\d.]+)"/g)].map((m) => m[1]);166		expect(ticks).toEqual(["50.00", "1.00", "99.00", "25.50"]);167	});168});169170describe("the file viewer", () => {171	test("shows a file at HEAD and at an old save, with line anchors", async () => {172		const now = await get("/demo/files/src/main.ts");173		expect(now.headers.get("cache-control")).toBe("public, max-age=60");174		const nowPage = await now.text();175		expect(nowPage).toContain("hello");176		expect(nowPage).toContain(177			'<span class="line" id="L2"><a class="ln" href="#L2">2</a><span class="lc">',178		);179		expect(nowPage).toContain('class="tk-');180181		const then = await get(`/demo/files/src/main.ts?at=${second().slice(0, 6)}`);182		expect(then.headers.get("cache-control")).toBe("private, max-age=31536000");183		const thenPage = await then.text();184		expect(thenPage).toContain("&#39;hi&#39;");185		expect(thenPage).not.toContain("hello");186		expect(thenPage).toContain(`/demo/raw/src/main.ts?at=${second()}`);187	});188189	test("a file absent at that save, a bad save or an unsafe path is a 404", async () => {190		expect((await get(`/demo/files/src/main.ts?at=${first()}`)).status).toBe(404);191		expect((await get("/demo/files/src/main.ts?at=zzzzzz")).status).toBe(404);192		expect((await get("/demo/files/src/main.ts?at=abc")).status).toBe(404);193		expect((await get("/demo/files/src%2F..%2FREADME.md")).status).toBe(404);194		expect((await get("/demo/files/nothing.txt")).status).toBe(404);195	});196197	test("Markdown renders, with a source toggle", async () => {198		const rendered = await body("/demo/files/docs/guide.md");199		expect(rendered).toContain("<h1>Guide</h1>");200		const source = await body("/demo/files/docs/guide.md?view=source");201		expect(source).toContain('id="L1"');202		expect(source).not.toContain("<h1>Guide</h1>");203	});204205	test("an image displays inline from its raw file", async () => {206		expect(await body("/demo/files/docs/logo.png")).toContain('<img src="/demo/raw/docs/logo.png"');207	});208});209210describe("files over 1 MB", () => {211	test("text shows its first 1 MB with a raw link, even with a character cut at the mark", async () => {212		const page = await body("/large/files/big.txt");213		expect(page).toContain("showing the first 1 MB");214		expect(page).toContain('href="/large/raw/big.txt"');215		expect(page).not.toContain("bbb");216		const raw = await get("/large/raw/big.txt");217		expect(raw.headers.get("content-type")).toBe("text/plain; charset=utf-8");218	});219220	test("invalid UTF-8 without a NUL is binary, not text", async () => {221		const page = await body("/large/files/big.bin");222		expect(page).toContain("binary file");223		expect(page).not.toContain('class="code"');224		const raw = await get("/large/raw/big.bin");225		expect(raw.headers.get("content-type")).toBe("application/octet-stream");226	});227});228229describe("the Atlas", () => {230	// The detail panel markup waiting in the <template> after a file's row.231	const panelOf = (page: string, name: string) =>232		new RegExp(`data-name="${name}">.*?</a>\\n<template>(.*?)</template>`, "s").exec(page)?.[1] ??233		"";234	const rowOf = (page: string, name: string) =>235		new RegExp(`data-name="${name}">(.*?)</a>`, "s").exec(page)?.[1] ?? "";236237	test("sits between the timeline and History", async () => {238		const page = await body("/demo");239		const atlas = page.indexOf('id="atlas"');240		expect(page.indexOf('class="timeline"')).toBeLessThan(atlas);241		expect(atlas).toBeLessThan(page.indexOf('id="history"'));242	});243244	test("is a folder tree, folders first, then files, alphabetical", async () => {245		const names = [...(await body("/demo")).matchAll(/class="atlas-name">([^<]*)</g)].map(246			(m) => m[1],247		);248		expect(names).toEqual([249			"docs/",250			"guide.md",251			"logo.png",252			"src/",253			"lib/",254			"deep/",255			"util.ts",256			"main.ts",257			"vendor/",258			"big.c",259			".kohignore",260			"README.md",261			"secret.txt",262		]);263	});264265	test("rows carry the first sentence of the file's own comment, rendered, and link to the file", async () => {266		const page = await body("/demo");267		expect(rowOf(page, "util.ts")).toContain(268			'<span class="atlas-desc">The <em>one</em> helper.</span>',269		);270		expect(rowOf(page, "main.ts")).toContain("Entry point.");271		expect(rowOf(page, "guide.md")).toContain('<span class="atlas-desc">Read me.</span>');272		expect(rowOf(page, "secret.txt")).toContain('<span class="atlas-desc"></span>');273		expect(page).toContain(274			'<a class="atlas-row atlas-file" href="/demo/files/src/main.ts" data-name="main.ts">',275		);276		expect(panelOf(page, "util.ts")).toContain("<p>The <em>one</em> helper. Deep down.</p>");277	});278279	test("the panel counts only real saves, crediting a checkpoint's change to the next save", async () => {280		const page = await body("/demo");281		const main = panelOf(page, "main.ts");282		expect(main).toContain("<dt>lines</dt><dd>2</dd>");283		expect(main).toContain("<dt>saves</dt><dd>2</dd>");284		expect(main).toContain(`<dt>first save</dt><dd><a href="/demo/saves/${second()}">`);285		expect(main).toContain(`<dt>last save</dt><dd><a href="/demo/saves/${head()}">`);286		expect(main.indexOf(head())).toBeLessThan(main.lastIndexOf(second()));287		const guide = panelOf(page, "guide.md");288		expect(guide).toContain("<dt>saves</dt><dd>2</dd>");289		expect(guide).toContain(`<dt>last save</dt><dd><a href="/demo/saves/${head()}">`);290		expect(panelOf(page, "logo.png")).toContain("<dt>lines</dt><dd>binary</dd>");291		expect(page).not.toContain(fx.saveIds[1] as string);292	});293294	test("a folder's panel sums its files and counts the saves that touched anything under it", async () => {295		const page = await body("/demo");296		const folderPanel = (path: string) =>297			new RegExp(298				`data-path="${path}">\\n<summary.*?</summary>\\n<template>(.*?)</template>`,299				"s",300			).exec(page)?.[1] ?? "";301		const docs = folderPanel("docs");302		expect(docs).toContain('<p class="atlas-info-path mono">docs</p>');303		expect(docs).toContain("<dt>lines</dt><dd>3</dd>");304		expect(docs).toContain("<dt>files</dt><dd>2</dd>");305		expect(docs).toContain("<dt>saves</dt><dd>2</dd>");306		expect(docs).toContain(`<dt>first save</dt><dd><a href="/demo/saves/${first()}">`);307		expect(docs).toContain(`<dt>last save</dt><dd><a href="/demo/saves/${head()}">`);308		const src = folderPanel("src");309		expect(src).toContain("<dt>saves</dt><dd>3</dd>");310		const recentIds = [311			...(/<ul class="atlas-recent">(.*?)<\/ul>/s.exec(src)?.[1] ?? "").matchAll(312				/saves\/([0-9a-f]+)/g,313			),314		].map((m) => m[1]);315		expect(recentIds).toEqual([head(), second(), first()]);316	});317318	test("can be viewed at an older save, and an unknown save is a 404", async () => {319		const page = await body(`/demo?at=${second().slice(0, 8)}`);320		expect(page).toContain(`at <a href="/demo/saves/${second()}">${second()}</a>`);321		expect(page).toContain(`href="/demo/files/src/main.ts?at=${second()}"`);322		expect(panelOf(page, "main.ts")).toContain("<dt>saves</dt><dd>1</dd>");323		expect(panelOf(page, "main.ts")).not.toContain(head());324		const oldest = await body(`/demo?at=${first()}`);325		expect(oldest).not.toContain('data-name="main.ts"');326		expect((await get("/demo?at=abcdef")).status).toBe(404);327		expect((await get("/demo?at=../x")).status).toBe(404);328	});329});330331describe("the save page", () => {332	test("shows the save's facts and diffs against the previous real save, skipping the checkpoint", async () => {333		const response = await get(`/demo/saves/${head()}`);334		expect(response.status).toBe(200);335		expect(response.headers.get("cache-control")).toBe("public, max-age=60");336		const page = await response.text();337		expect(page).toContain('<h1 class="save-message-head">say hello</h1>');338		expect(page).toContain(339			`<dt>parent</dt><dd><a href="/demo/saves/${second()}">${second()}</a></dd>`,340		);341		expect(page).not.toContain(fx.saveIds[1] as string);342		expect(page).not.toContain("save-flag");343		// The guide's edit was first recorded by the checkpoint; it belongs to this save.344		const rows = [345			...page.matchAll(346				/class="change-row change-(\w+)" href="#diff-\d"><span class="change-path">([^<]+)</g,347			),348		];349		expect(rows.map((m) => [m[1], m[2]])).toEqual([350			["modified", "docs/guide.md"],351			["modified", "src/main.ts"],352		]);353		expect(page).toContain('<span class="diff-add">+1</span> <span class="diff-del">−1</span>');354		expect(page).toContain('<span class="dh">@@ -1,2 +1,2 @@</span>');355		expect(page).toContain(356			'<span class="dl dl-del"><span class="ln">2</span><span class="ln"></span><span class="ds">-</span>',357		);358		expect(page).toContain('class="tk-');359		expect(page).toContain(`href="/demo/archive/${head()}.tar.gz"`);360		expect(page).toContain(`href="/demo?at=${head()}#atlas"`);361	});362363	test("the first save diffs against nothing, notes binaries, and shows its flag and agent", async () => {364		const page = await body(`/demo/saves/${first()}`);365		expect(page).toContain('<span class="save-flag-label mono">flagged</span> holds a secret');366		expect(page).toContain("<dt>parent</dt><dd>none, the first save</dd>");367		expect(page).toContain(368			'change-added" href="#diff-2"><span class="change-path">docs/logo.png</span><span class="change-stat mono"><span class="diff-note">binary</span>',369		);370		expect(page).toContain("binary file, not shown");371		expect(page).toContain('<span class="dh">@@ -0,0 +1 @@</span>');372		const second_ = await body(`/demo/saves/${second()}`);373		expect(second_).toContain("<dt>agent</dt><dd>test-agent</dd><dt>session</dt><dd>fixture</dd>");374		expect(second_).not.toContain("save-flag");375	});376377	test("a change to the final newline alone is a changed last line, marked as in GNU diff", async () => {378		const marker = '<span class="dh">\\ No newline at end of file</span>';379		const row = (kind: string, a: string, b: string, sign: string) =>380			`<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>`;381		const gained = await body(`/tail/saves/${tailSaves[1]}`);382		expect(gained).toContain('<span class="diff-add">+1</span> <span class="diff-del">−1</span>');383		expect(gained).toContain(`${row("del", "2", "", "-")}${marker}${row("add", "", "2", "+")}<`);384		const lost = await body(`/tail/saves/${tailSaves[0]}`);385		expect(lost).toContain(`${row("del", "2", "", "-")}${row("add", "", "2", "+")}${marker}`);386	});387388	test("a prefix redirects, and a checkpoint, an unknown or a private save is a 404", async () => {389		const short = await get(`/demo/saves/${head().slice(0, 6)}`);390		expect(short.status).toBe(302);391		expect(short.headers.get("location")).toBe(`/demo/saves/${head()}`);392		expect((await get(`/demo/saves/${fx.saveIds[1]}`)).status).toBe(404);393		expect((await get("/demo/saves/abcdef")).status).toBe(404);394		expect((await get("/demo/saves/abc")).status).toBe(404);395		expect((await get(`/hidden/saves/${head()}`)).status).toBe(404);396	});397});398399describe("raw files", () => {400	test("are the exact object bytes, text as text/plain", async () => {401		const mirror = openMirror(mirrorDir, "demo");402		for (const [path, type] of [403			["src/main.ts", "text/plain; charset=utf-8"],404			["docs/logo.png", "image/png"],405			["README.md", "text/plain; charset=utf-8"],406		] as const) {407			const response = await get(`/demo/raw/${path}`);408			const file = fileAt(mirror, head(), path);409			expect(response.headers.get("content-type")).toBe(type);410			expect(new Uint8Array(await response.arrayBuffer())).toEqual(411				objectBytes(mirror, file?.hash as string) as Uint8Array<ArrayBuffer>,412			);413		}414		expect(await (await get(`/demo/raw/src/main.ts?at=${second()}`)).text()).toContain("'hi'");415	});416});417418test("static assets and raw files carry route-based sandboxing", async () => {419	const css = await get("/static/css/kepr.css");420	expect(css.status).toBe(200);421	expect(css.headers.get("content-type")).toContain("text/css");422	const raw = await get("/demo/raw/README.md");423	expect(raw.headers.get("content-security-policy")).toContain("sandbox");424	const asset = await get("/static/assets/plain.txt");425	expect(asset.headers.get("content-security-policy")).toContain("sandbox");426	const favicon = await get("/favicon.svg");427	expect(favicon.headers.get("content-type")).toBe("image/svg+xml");428	expect(favicon.headers.get("content-security-policy")).not.toContain("sandbox");429	expect((await get("/static/../package.json")).status).toBe(404);430	const csp = (await get("/demo")).headers.get("content-security-policy") ?? "";431	expect(csp).toContain("style-src 'self' https://fonts.bunny.net");432	expect(csp).toContain("font-src https://fonts.bunny.net");433	expect(csp).not.toContain("unsafe-inline");434});435436describe("housekeeping routes", () => {437	test("robots.txt points at the sitemap, which lists public repos only", async () => {438		expect(await body("/robots.txt")).toBe(439			"User-agent: *\nAllow: /\n\nSitemap: https://kepr.example/sitemap.xml\n",440		);441		const sitemap = await get("/sitemap.xml");442		expect(sitemap.headers.get("Content-Type")).toBe("application/xml; charset=UTF-8");443		const xml = await sitemap.text();444		expect(xml).toStartWith('<?xml version="1.0" encoding="UTF-8"?>\n<urlset');445		for (const repo of ["demo", "large", "tail"]) {446			expect(xml).toContain(`<loc>https://kepr.example/${repo}</loc>`);447		}448		expect(xml).not.toContain("hidden");449	});450451	test("favicon.svg is Kepr 2's mark, and every page links it", async () => {452		const res = await get("/favicon.svg");453		expect(res.headers.get("Content-Type")).toBe("image/svg+xml");454		expect(await res.text()).toContain('<polygon points="16,3 27,23 5,23"');455		expect(await body("/demo")).toContain(456			'<link rel="icon" href="/favicon.svg" type="image/svg+xml">',457		);458	});459});