pages.test.ts

20.0 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", "view", "--json"], {51			cwd: tail.repoDir,52			env: tailEnv,53		}).stdout.toString(),54	).saves.map((save: { id: string }) => save.id);55	const dataDir = await mkdtemp(join(tmpdir(), "kepr-pages-"));56	await mkdir(join(dataDir, "assets"));57	await writeFile(join(dataDir, "assets", "plain.txt"), "asset\n");58	const kepr = openKeprDb(dataDir);59	mirrorDir = join(dataDir, "mirror");60	for (const bucketDir of [fx.bucketDir, secretRepo.bucketDir, large.bucketDir, tail.bucketDir]) {61		const bucket = openBucket({ kind: "folder", path: bucketDir });62		await syncAll({ bucket, kepr, mirrorDir, tarballDir: join(dataDir, "tarballs") });63	}64	kepr.run(65		"UPDATE repos SET public = 1, install1 = 'nix profile add x', homepage = 'https://demo.example' WHERE name = 'demo'",66	);67	kepr.run("UPDATE repos SET public = 1 WHERE name IN ('large', 'tail')");68	app = createApp(69		{70			domain: "kepr.example",71			dataDir,72			adminPasswordHash: "$argon2id$x",73			bucket: { kind: "folder", path: fx.bucketDir },74		},75		kepr,76	);77});7879const [head, , second, first] = [0, 1, 2, 3].map((i) => () => fx.saveIds[i] as string);8081describe("the visibility gate", () => {82	test("a private repo and an unknown one are the same 404, everywhere", async () => {83		for (const suffix of ["", "/files/src/main.ts", "/raw/src/main.ts"]) {84			const hidden = await get(`/hidden${suffix}`);85			const missing = await get(`/nowhere${suffix}`);86			expect(hidden.status).toBe(404);87			expect(missing.status).toBe(404);88			expect((await hidden.text()).replaceAll("/hidden", "/nowhere")).toBe(await missing.text());89		}90	});91});9293describe("the repo page", () => {94	test("renders header, timeline, history and README at HEAD with a short cache", async () => {95		const response = await get("/demo");96		expect(response.status).toBe(200);97		expect(response.headers.get("cache-control")).toBe("public, max-age=60");98		const page = await response.text();99		expect(page).toContain('<h1 class="repo-name">demo</h1>');100		// The README opens with an HTML comment and a raw <p align>; neither is the intro.101		expect(/<div class="repo-desc"><p>(.*?)<\/p>/.exec(page)?.[1]).toBe(102			"A small repo for <strong>Kepr's</strong> tests.",103		);104		expect(page).toContain(105			'<meta property="og:description" content="A small repo for Kepr&#39;s tests.">',106		);107		expect(page).toContain('href="https://demo.example"');108		expect(page).toContain('<span class="lang-badge">TypeScript</span>');109		expect(page).toContain("3 saves");110		expect(page).toContain('data-copy="nix profile add x"');111		expect(page.match(/class="dot d\d"/g)?.length).toBe(3);112		expect(page).toContain("density = activity · position = time");113		const history = [...page.matchAll(/class="history-id">([0-9a-f]+)</g)].map((m) => m[1]);114		expect(history).toEqual([head(), second(), first()]);115	});116117	test("a page past the last, or too large to bind, is page 1", async () => {118		const history = (page: string) => [...page.matchAll(/class="history-id">([0-9a-f]+)</g)];119		for (const query of ["?page=2", `?page=${"9".repeat(400)}`, "?page=1e999", "?page=x"]) {120			const response = await get(`/demo${query}`);121			expect([query, response.status]).toEqual([query, 200]);122			expect(history(await response.text()).length).toBe(3);123		}124	});125126	test("checkpoints never appear", async () => {127		expect(await body("/demo")).not.toContain(fx.saveIds[1] as string);128	});129130	test("the README points relative links and images at raw files and drops unsafe links", async () => {131		const page = await body("/demo");132		expect(page).toContain('<a href="/demo/raw/docs/guide.md">the guide</a>');133		expect(page).toContain('<img src="/demo/raw/docs/logo.png" alt="logo">');134		expect(page).toContain('<a href="https://example.com">the site</a>');135		expect(page).not.toContain('href="javascript:');136		expect(page).toContain("&lt;script&gt;alert");137		expect(page).not.toContain("<script>alert");138	});139});140141describe("the timeline and card ticks", () => {142	// A replayed save keeps its original time, so newest-first order is not time order.143	const saves = [300, 100, 500, 200].map(144		(created_at, i): Save => ({145			id: `00000000000${i}`,146			parent: "",147			message: "m",148			created_at: created_at * 86400,149			machine: "m",150			agent: "",151			session: "",152			is_checkpoint: false,153		}),154	);155156	test("span from the earliest to the latest save, whatever the line's order", () => {157		const dots = [...timelineSvg("demo", saves).value.matchAll(/cx="([\d.]+)%"/g)].map((m) => m[1]);158		expect(dots).toEqual(["50.000", "1.000", "99.000", "25.500"]);159		const card = repoCards([160			{161				settings: { name: "demo", category: "", homepage: "", installLines: [] },162				mirror: new Database(":memory:"),163				stats: { saves: 4, lines: 0, language: "", updated: null },164				description: "",165				saves,166			},167		]).value;168		const ticks = [...card.matchAll(/<line x1="([\d.]+)"/g)].map((m) => m[1]);169		expect(ticks).toEqual(["50.00", "1.00", "99.00", "25.50"]);170	});171});172173describe("the file viewer", () => {174	test("shows a file at HEAD and at an old save, with line anchors", async () => {175		const now = await get("/demo/files/src/main.ts");176		expect(now.headers.get("cache-control")).toBe("public, max-age=60");177		const nowPage = await now.text();178		expect(nowPage).toContain("hello");179		expect(nowPage).toContain(180			'<span class="line" id="L2"><a class="ln" href="#L2">2</a><span class="lc">',181		);182		expect(nowPage).toContain('class="tk-');183184		const then = await get(`/demo/files/src/main.ts?at=${second().slice(0, 6)}`);185		expect(then.headers.get("cache-control")).toBe("private, max-age=31536000");186		const thenPage = await then.text();187		expect(thenPage).toContain("&#39;hi&#39;");188		expect(thenPage).not.toContain("hello");189		expect(thenPage).toContain(`/demo/raw/src/main.ts?at=${second()}`);190	});191192	test("a file absent at that save, a bad save or an unsafe path is a 404", async () => {193		expect((await get(`/demo/files/src/main.ts?at=${first()}`)).status).toBe(404);194		expect((await get("/demo/files/src/main.ts?at=zzzzzz")).status).toBe(404);195		expect((await get("/demo/files/src/main.ts?at=abc")).status).toBe(404);196		expect((await get("/demo/files/src%2F..%2FREADME.md")).status).toBe(404);197		expect((await get("/demo/files/nothing.txt")).status).toBe(404);198	});199200	test("Markdown renders, with a source toggle", async () => {201		const rendered = await body("/demo/files/docs/guide.md");202		expect(rendered).toContain("<h1>Guide</h1>");203		const source = await body("/demo/files/docs/guide.md?view=source");204		expect(source).toContain('id="L1"');205		expect(source).not.toContain("<h1>Guide</h1>");206	});207208	test("an image displays inline from its raw file", async () => {209		expect(await body("/demo/files/docs/logo.png")).toContain('<img src="/demo/raw/docs/logo.png"');210	});211});212213describe("files over 1 MB", () => {214	test("text shows its first 1 MB with a raw link, even with a character cut at the mark", async () => {215		const page = await body("/large/files/big.txt");216		expect(page).toContain("showing the first 1 MB");217		expect(page).toContain('href="/large/raw/big.txt"');218		expect(page).not.toContain("bbb");219		const raw = await get("/large/raw/big.txt");220		expect(raw.headers.get("content-type")).toBe("text/plain; charset=utf-8");221	});222223	test("invalid UTF-8 without a NUL is binary, not text", async () => {224		const page = await body("/large/files/big.bin");225		expect(page).toContain("binary file");226		expect(page).not.toContain('class="code"');227		const raw = await get("/large/raw/big.bin");228		expect(raw.headers.get("content-type")).toBe("application/octet-stream");229	});230});231232describe("the Atlas", () => {233	// The detail panel markup waiting in the <template> after a file's row.234	const panelOf = (page: string, name: string) =>235		new RegExp(`data-name="${name}">.*?</a>\\n<template>(.*?)</template>`, "s").exec(page)?.[1] ??236		"";237	const rowOf = (page: string, name: string) =>238		new RegExp(`data-name="${name}">(.*?)</a>`, "s").exec(page)?.[1] ?? "";239240	test("sits between the timeline and History", async () => {241		const page = await body("/demo");242		const atlas = page.indexOf('id="atlas"');243		expect(page.indexOf('class="timeline"')).toBeLessThan(atlas);244		expect(atlas).toBeLessThan(page.indexOf('id="history"'));245	});246247	test("is a folder tree, folders first, then files, alphabetical", async () => {248		const names = [...(await body("/demo")).matchAll(/class="atlas-name">([^<]*)</g)].map(249			(m) => m[1],250		);251		expect(names).toEqual([252			"docs/",253			"guide.md",254			"logo.png",255			"src/",256			"lib/",257			"deep/",258			"util.ts",259			"main.ts",260			"vendor/",261			"big.c",262			".kohignore",263			"README.md",264			"secret.txt",265		]);266	});267268	test("rows carry the first sentence of the file's own comment, rendered, and link to the file", async () => {269		const page = await body("/demo");270		expect(rowOf(page, "util.ts")).toContain(271			'<span class="atlas-desc">The <em>one</em> helper.</span>',272		);273		expect(rowOf(page, "main.ts")).toContain("Entry point.");274		expect(rowOf(page, "guide.md")).toContain('<span class="atlas-desc">Read me.</span>');275		expect(rowOf(page, "secret.txt")).toContain('<span class="atlas-desc"></span>');276		expect(page).toContain(277			'<a class="atlas-row atlas-file" href="/demo/files/src/main.ts" data-name="main.ts">',278		);279		expect(panelOf(page, "util.ts")).toContain("<p>The <em>one</em> helper. Deep down.</p>");280	});281282	test("the panel counts only real saves, crediting a checkpoint's change to the next save", async () => {283		const page = await body("/demo");284		const main = panelOf(page, "main.ts");285		expect(main).toContain("<dt>lines</dt><dd>2</dd>");286		expect(main).toContain("<dt>saves</dt><dd>2</dd>");287		expect(main).toContain(`<dt>first save</dt><dd><a href="/demo/saves/${second()}">`);288		expect(main).toContain(`<dt>last save</dt><dd><a href="/demo/saves/${head()}">`);289		expect(main.indexOf(head())).toBeLessThan(main.lastIndexOf(second()));290		const guide = panelOf(page, "guide.md");291		expect(guide).toContain("<dt>saves</dt><dd>2</dd>");292		expect(guide).toContain(`<dt>last save</dt><dd><a href="/demo/saves/${head()}">`);293		expect(panelOf(page, "logo.png")).toContain("<dt>lines</dt><dd>binary</dd>");294		expect(page).not.toContain(fx.saveIds[1] as string);295	});296297	test("a folder's panel sums its files and counts the saves that touched anything under it", async () => {298		const page = await body("/demo");299		const folderPanel = (path: string) =>300			new RegExp(301				`data-path="${path}">\\n<summary.*?</summary>\\n<template>(.*?)</template>`,302				"s",303			).exec(page)?.[1] ?? "";304		const docs = folderPanel("docs");305		expect(docs).toContain('<p class="atlas-info-path mono">docs</p>');306		expect(docs).toContain("<dt>lines</dt><dd>3</dd>");307		expect(docs).toContain("<dt>files</dt><dd>2</dd>");308		expect(docs).toContain("<dt>saves</dt><dd>2</dd>");309		expect(docs).toContain(`<dt>first save</dt><dd><a href="/demo/saves/${first()}">`);310		expect(docs).toContain(`<dt>last save</dt><dd><a href="/demo/saves/${head()}">`);311		const src = folderPanel("src");312		expect(src).toContain("<dt>saves</dt><dd>3</dd>");313		const recentIds = [314			...(/<ul class="atlas-recent">(.*?)<\/ul>/s.exec(src)?.[1] ?? "").matchAll(315				/saves\/([0-9a-f]+)/g,316			),317		].map((m) => m[1]);318		expect(recentIds).toEqual([head(), second(), first()]);319	});320321	test("can be viewed at an older save, and an unknown save is a 404", async () => {322		const page = await body(`/demo?at=${second().slice(0, 8)}`);323		expect(page).toContain(`at <a href="/demo/saves/${second()}">${second()}</a>`);324		expect(page).toContain(`href="/demo/files/src/main.ts?at=${second()}"`);325		expect(panelOf(page, "main.ts")).toContain("<dt>saves</dt><dd>1</dd>");326		expect(panelOf(page, "main.ts")).not.toContain(head());327		const oldest = await body(`/demo?at=${first()}`);328		expect(oldest).not.toContain('data-name="main.ts"');329		expect((await get("/demo?at=abcdef")).status).toBe(404);330		expect((await get("/demo?at=../x")).status).toBe(404);331	});332});333334describe("the save page", () => {335	test("shows the save's facts and diffs against the previous real save, skipping the checkpoint", async () => {336		const response = await get(`/demo/saves/${head()}`);337		expect(response.status).toBe(200);338		expect(response.headers.get("cache-control")).toBe("public, max-age=60");339		const page = await response.text();340		expect(page).toContain('<h1 class="save-message-head">say hello</h1>');341		expect(page).toContain(342			`<dt>parent</dt><dd><a href="/demo/saves/${second()}">${second()}</a></dd>`,343		);344		expect(page).not.toContain(fx.saveIds[1] as string);345		expect(page).not.toContain("save-flag");346		// The guide's edit was first recorded by the checkpoint; it belongs to this save.347		const rows = [348			...page.matchAll(349				/class="change-row change-(\w+)" href="#diff-\d"><span class="change-path">([^<]+)</g,350			),351		];352		expect(rows.map((m) => [m[1], m[2]])).toEqual([353			["modified", "docs/guide.md"],354			["modified", "src/main.ts"],355		]);356		expect(page).toContain('<span class="diff-add">+1</span> <span class="diff-del">−1</span>');357		expect(page).toContain('<span class="dh">@@ -1,2 +1,2 @@</span>');358		expect(page).toContain(359			'<span class="dl dl-del"><span class="ln">2</span><span class="ln"></span><span class="ds">-</span>',360		);361		expect(page).toContain('class="tk-');362		expect(page).toContain(`href="/demo/archive/${head()}.tar.gz"`);363		expect(page).toContain(`href="/demo?at=${head()}#atlas"`);364	});365366	test("the first save diffs against nothing, notes binaries, and shows its flag and agent", async () => {367		const page = await body(`/demo/saves/${first()}`);368		expect(page).toContain('<span class="save-flag-label mono">flagged</span> holds a secret');369		expect(page).toContain("<dt>parent</dt><dd>none, the first save</dd>");370		expect(page).toContain(371			'change-added" href="#diff-2"><span class="change-path">docs/logo.png</span><span class="change-stat mono"><span class="diff-note">binary</span>',372		);373		expect(page).toContain("binary file, not shown");374		expect(page).toContain('<span class="dh">@@ -0,0 +1 @@</span>');375		const second_ = await body(`/demo/saves/${second()}`);376		expect(second_).toContain("<dt>agent</dt><dd>test-agent</dd><dt>session</dt><dd>fixture</dd>");377		expect(second_).not.toContain("save-flag");378	});379380	test("a change to the final newline alone is a changed last line, marked as in GNU diff", async () => {381		const marker = '<span class="dh">\\ No newline at end of file</span>';382		const row = (kind: string, a: string, b: string, sign: string) =>383			`<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>`;384		const gained = await body(`/tail/saves/${tailSaves[1]}`);385		expect(gained).toContain('<span class="diff-add">+1</span> <span class="diff-del">−1</span>');386		expect(gained).toContain(`${row("del", "2", "", "-")}${marker}${row("add", "", "2", "+")}<`);387		const lost = await body(`/tail/saves/${tailSaves[0]}`);388		expect(lost).toContain(`${row("del", "2", "", "-")}${row("add", "", "2", "+")}${marker}`);389	});390391	test("a prefix redirects, and a checkpoint, an unknown or a private save is a 404", async () => {392		const short = await get(`/demo/saves/${head().slice(0, 6)}`);393		expect(short.status).toBe(302);394		expect(short.headers.get("location")).toBe(`/demo/saves/${head()}`);395		expect((await get(`/demo/saves/${fx.saveIds[1]}`)).status).toBe(404);396		expect((await get("/demo/saves/abcdef")).status).toBe(404);397		expect((await get("/demo/saves/abc")).status).toBe(404);398		expect((await get(`/hidden/saves/${head()}`)).status).toBe(404);399	});400});401402describe("raw files", () => {403	test("are the exact object bytes, text as text/plain", async () => {404		const mirror = openMirror(mirrorDir, "demo");405		for (const [path, type] of [406			["src/main.ts", "text/plain; charset=utf-8"],407			["docs/logo.png", "image/png"],408			["README.md", "text/plain; charset=utf-8"],409		] as const) {410			const response = await get(`/demo/raw/${path}`);411			const file = fileAt(mirror, head(), path);412			expect(response.headers.get("content-type")).toBe(type);413			expect(new Uint8Array(await response.arrayBuffer())).toEqual(414				objectBytes(mirror, file?.hash as string) as Uint8Array<ArrayBuffer>,415			);416		}417		expect(await (await get(`/demo/raw/src/main.ts?at=${second()}`)).text()).toContain("'hi'");418	});419});420421test("static assets and raw files carry route-based sandboxing", async () => {422	const css = await get("/static/css/kepr.css");423	expect(css.status).toBe(200);424	expect(css.headers.get("content-type")).toContain("text/css");425	const raw = await get("/demo/raw/README.md");426	expect(raw.headers.get("content-security-policy")).toContain("sandbox");427	const asset = await get("/static/assets/plain.txt");428	expect(asset.headers.get("content-security-policy")).toContain("sandbox");429	const favicon = await get("/favicon.svg");430	expect(favicon.headers.get("content-type")).toBe("image/svg+xml");431	expect(favicon.headers.get("content-security-policy")).not.toContain("sandbox");432	expect((await get("/static/../package.json")).status).toBe(404);433	const csp = (await get("/demo")).headers.get("content-security-policy") ?? "";434	expect(csp).toContain("style-src 'self' https://fonts.bunny.net");435	expect(csp).toContain("font-src https://fonts.bunny.net");436	expect(csp).not.toContain("unsafe-inline");437});438439describe("housekeeping routes", () => {440	test("robots.txt points at the sitemap, which lists public repos only", async () => {441		expect(await body("/robots.txt")).toBe(442			"User-agent: *\nAllow: /\n\nSitemap: https://kepr.example/sitemap.xml\n",443		);444		const sitemap = await get("/sitemap.xml");445		expect(sitemap.headers.get("Content-Type")).toBe("application/xml; charset=UTF-8");446		const xml = await sitemap.text();447		expect(xml).toStartWith('<?xml version="1.0" encoding="UTF-8"?>\n<urlset');448		for (const repo of ["demo", "large", "tail"]) {449			expect(xml).toContain(`<loc>https://kepr.example/${repo}</loc>`);450		}451		expect(xml).not.toContain("hidden");452	});453454	test("favicon.svg is Kepr 2's mark, and every page links it", async () => {455		const res = await get("/favicon.svg");456		expect(res.headers.get("Content-Type")).toBe("image/svg+xml");457		expect(await res.text()).toContain('<polygon points="16,3 27,23 5,23"');458		expect(await body("/demo")).toContain(459			'<link rel="icon" href="/favicon.svg" type="image/svg+xml">',460		);461	});462});