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/**
* 期間カバレッジテスト
*
* 各スクレーパーが SCRAPE_WINDOW_DAYS（65日）をカバーするために
* 必要な月のURLを全てフェッチしているかを検証する。
*
* fetch をモックし、呼ばれた URL の月一覧を確認する。
*/
import { test, describe, beforeEach, afterEach } from "node:test";
import assert from "node:assert/strict";
// ---- テスト用ユーティリティ ----
function monthsInWindow(from: Date, windowDays: number): string[] {
const end = new Date(from);
end.setDate(end.getDate() + windowDays);
const months: string[] = [];
const d = new Date(from.getFullYear(), from.getMonth(), 1);
while (d <= end) {
months.push(
`${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, "0")}`
);
d.setMonth(d.getMonth() + 1);
}
return months;
}
const WINDOW_DAYS = 65;
/** fetch をモックし、呼ばれた URL 一覧を返す */
function mockFetch(htmlByUrl: Record<string, string> = {}): {
fetchedUrls: string[];
restore: () => void;
} {
const fetchedUrls: string[] = [];
const orig = global.fetch;
// @ts-ignore
global.fetch = async (url: string | URL) => {
const s = url.toString();
fetchedUrls.push(s);
const html = htmlByUrl[s] ?? "<html><body></body></html>";
return {
ok: true,
status: 200,
text: async () => html,
json: async () => ({ events: [] }),
} as unknown as Response;
};
return { fetchedUrls, restore: () => { global.fetch = orig; } };
}
/** YYYY-MM 文字列が URL に含まれるか確認（複数フォーマット対応） */
function urlCoversMonth(urls: string[], yyyymm: string): boolean {
const [y, m] = yyyymm.split("-");
const mInt = parseInt(m, 10).toString(); // "06" → "6"
return urls.some(
(u) =>
u.includes(`/${y}/${m}`) ||
u.includes(`/${y}-${m}`) ||
u.includes(`_${y}-${m}`) || // duo: index_2026-05.html
u.includes(`${y}${m}`) ||
u.includes(`y=${y}&m=${mInt}`) ||
u.includes(`y=${y}&m=${m}`) ||
u.includes(encodeURIComponent(`${y}/${m}`)) ||
u.includes(`date=${y}%2F${m}`)
);
}
// ---- ウィンドウ計算ロジック テスト ----
describe("monthsInWindow", () => {
test("65日窓は最大3ヶ月にまたがる（月初付近）", () => {
// 5/1 から65日 = 7/5 → May, Jun, Jul
const months = monthsInWindow(new Date("2026-05-01"), WINDOW_DAYS);
assert.deepEqual(months, ["2026-05", "2026-06", "2026-07"]);
});
test("65日窓は最大3ヶ月にまたがる（月末付近）", () => {
// 5/31 から65日 = 8/4 → May, Jun, Jul, Aug
const months = monthsInWindow(new Date("2026-05-31"), WINDOW_DAYS);
assert.deepEqual(months, ["2026-05", "2026-06", "2026-07", "2026-08"]);
});
test("年またぎ対応", () => {
// 11/15 から65日 = 2027/1/19 → Nov, Dec, Jan
const months = monthsInWindow(new Date("2026-11-15"), WINDOW_DAYS);
assert.deepEqual(months, ["2026-11", "2026-12", "2027-01"]);
});
});
// ---- スクレーパー別 URL カバレッジテスト ----
describe("fever-shindaita: 3ヶ月分フェッチ", () => {
let restore: () => void;
let fetchedUrls: string[];
beforeEach(() => {
({ fetchedUrls, restore } = mockFetch());
});
afterEach(() => restore());
test("今月・来月・再来月のURLをフェッチする", async () => {
const { scraper } = await import("../app/scrapers/fever-shindaita.js");
await scraper.scrape();
const now = new Date();
const expected = monthsInWindow(now, WINDOW_DAYS);
for (const m of expected) {
const [y, mo] = m.split("-");
assert.ok(
fetchedUrls.some((u) => u.includes(`/${y}/${mo}/`)),
`fever-shindaita: ${m} のURLがフェッチされていない\nfetched: ${fetchedUrls.join(", ")}`
);
}
});
});
describe("liquid-room: 3ヶ月分フェッチ", () => {
let restore: () => void;
let fetchedUrls: string[];
beforeEach(() => {
({ fetchedUrls, restore } = mockFetch());
});
afterEach(() => restore());
test("今月・来月・再来月のURLをフェッチする", async () => {
const { scraper } = await import("../app/scrapers/liquid-room.js");
await scraper.scrape();
const now = new Date();
const expected = monthsInWindow(now, WINDOW_DAYS);
for (const m of expected) {
assert.ok(
urlCoversMonth(fetchedUrls, m),
`liquid-room: ${m} のURLがフェッチされていない\nfetched: ${fetchedUrls.join(", ")}`
);
}
});
});
describe("club-quattro: 3ヶ月分フェッチ", () => {
let restore: () => void;
let fetchedUrls: string[];
beforeEach(() => {
({ fetchedUrls, restore } = mockFetch());
});
afterEach(() => restore());
test("今月・来月・再来月のURLをフェッチする", async () => {
const { scraper } = await import("../app/scrapers/club-quattro.js");
await scraper.scrape();
const now = new Date();
const expected = monthsInWindow(now, WINDOW_DAYS);
for (const m of expected) {
assert.ok(
urlCoversMonth(fetchedUrls, m),
`club-quattro: ${m} のURLがフェッチされていない\nfetched: ${fetchedUrls.join(", ")}`
);
}
});
});
describe("meets-otsuka: 3ヶ月分フェッチ", () => {
let restore: () => void;
let fetchedUrls: string[];
beforeEach(() => {
({ fetchedUrls, restore } = mockFetch());
});
afterEach(() => restore());
test("今月・来月・再来月のURLをフェッチする", async () => {
const { scraper } = await import("../app/scrapers/meets-otsuka.js");
await scraper.scrape();
const now = new Date();
const expected = monthsInWindow(now, WINDOW_DAYS);
for (const m of expected) {
assert.ok(
urlCoversMonth(fetchedUrls, m),
`meets-otsuka: ${m} のURLがフェッチされていない\nfetched: ${fetchedUrls.join(", ")}`
);
}
});
});
describe("nishieifuku-jam: 3ヶ月分フェッチ", () => {
let restore: () => void;
let fetchedUrls: string[];
beforeEach(() => {
({ fetchedUrls, restore } = mockFetch());
});
afterEach(() => restore());
test("今月・来月・再来月のURLをフェッチする", async () => {
const { scraper } = await import("../app/scrapers/nishieifuku-jam.js");
await scraper.scrape();
const now = new Date();
const expected = monthsInWindow(now, WINDOW_DAYS);
for (const m of expected) {
assert.ok(
urlCoversMonth(fetchedUrls, m),
`nishieifuku-jam: ${m} のURLがフェッチされていない\nfetched: ${fetchedUrls.join(", ")}`
);
}
});
});
describe("shibuya-o: 全サブ会場 × 3ヶ月分フェッチ", () => {
let restore: () => void;
let fetchedUrls: string[];
beforeEach(() => {
({ fetchedUrls, restore } = mockFetch());
});
afterEach(() => restore());
test("east/west/crest/nest × 今月・来月・再来月をフェッチする", async () => {
const { scraper } = await import("../app/scrapers/shibuya-o.js");
await scraper.scrape();
const now = new Date();
const expected = monthsInWindow(now, WINDOW_DAYS);
for (const subVenue of ["east", "west", "crest", "nest"]) {
for (const m of expected) {
assert.ok(
urlCoversMonth(
fetchedUrls.filter((u) => u.includes(`/${subVenue}/`)),
m
),
`shibuya-o/${subVenue}: ${m} のURLがフェッチされていない`
);
}
}
});
});
describe("duo-music-exchange: 3ヶ月分フェッチ", () => {
let restore: () => void;
let fetchedUrls: string[];
beforeEach(() => {
({ fetchedUrls, restore } = mockFetch());
});
afterEach(() => restore());
test("今月・来月・再来月のURLをフェッチする", async () => {
const { scraper } = await import("../app/scrapers/duo-music-exchange.js");
await scraper.scrape();
const now = new Date();
const expected = monthsInWindow(now, WINDOW_DAYS);
for (const m of expected) {
assert.ok(
urlCoversMonth(fetchedUrls, m),
`duo-music-exchange: ${m} のURLがフェッチされていない\nfetched: ${fetchedUrls.join(", ")}`
);
}
});
});
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