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import { test, describe } from "node:test";
import assert from "node:assert/strict";
import { readFileSync } from "node:fs";
import { join } from "node:path";
import { extractReadable, type PageCapture } from "../../src/domains/readpage/readability";
const fixture = (name: string): PageCapture =>
JSON.parse(readFileSync(join(import.meta.dirname, "fixtures", name), "utf8")) as PageCapture;
describe("pure readability extractor", () => {
test("S10: article body text is present", () => {
const page = extractReadable(fixture("article-capture.json"));
assert.ok(page.text.includes("Chrome DevTools Protocol lets tools instrument"));
});
test("S10: article headings are preserved", () => {
const page = extractReadable(fixture("article-capture.json"));
assert.ok(page.text.includes("Sessions and Targets"));
});
test("S10: nav boilerplate is dropped", () => {
const page = extractReadable(fixture("article-capture.json"));
assert.ok(!page.text.includes("Home Products Blog"));
});
test("S10: footer boilerplate is dropped", () => {
const page = extractReadable(fixture("article-capture.json"));
assert.ok(!page.text.includes("Copyright 2026"));
});
test("S10: high-link-density promo block is dropped", () => {
const page = extractReadable(fixture("article-capture.json"));
assert.ok(!page.text.includes("Subscribe here for our newsletter"));
});
test("S10: paragraph/heading structure preserved as markdown", () => {
const page = extractReadable(fixture("article-capture.json"));
assert.ok(page.text.includes("## Sessions and Targets"));
});
test("S10: title and url passed through", () => {
const page = extractReadable(fixture("article-capture.json"));
assert.ok(page.title === "How the Chrome DevTools Protocol Works" && page.url.startsWith("https://"));
});
test("S10: word count reflects the article body", () => {
const page = extractReadable(fixture("article-capture.json"));
assert.ok(page.wordCount > 40);
});
test("S11: structure-less page falls back to non-empty body text", () => {
const page = extractReadable(fixture("no-article-capture.json"));
assert.ok(page.text.length > 0);
});
test("S11: fallback body text carries the real content", () => {
const page = extractReadable(fixture("no-article-capture.json"));
assert.ok(page.text.includes("Your account is active"));
});
});
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