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| import { describe, expect, it } from "vitest"; | |
| import { authorityBoost } from "./authorityRanking.ts"; | |
| const boosted = (query: string, url: string, title = "", snippet = "") => | |
| authorityBoost(query, title, snippet, url); | |
| describe("authorityBoost", () => { | |
| it("leaves unrelated results alone", () => { | |
| expect( | |
| boosted("disney movie schedule", "https://www.fandango.com/disney"), | |
| ).toBe(0); | |
| }); | |
| it("boosts the site whose name the query uses", () => { | |
| expect(boosted("disney movie schedule", "https://disney.com/movies")).toBe( | |
| 0.5, | |
| ); | |
| }); | |
| it("treats subdomains as the same site", () => { | |
| expect( | |
| boosted("disney annual report", "https://investor.disney.com/reports"), | |
| ).toBe(0.5); | |
| }); | |
| it("boosts a label spelled by the query's own words", () => { | |
| expect( | |
| boosted("disney plus next month", "https://www.disneyplus.com/welcome"), | |
| ).toBe(0.75); | |
| }); | |
| it("reads a trailing plus as the word plus", () => { | |
| expect( | |
| boosted("disney+ next month", "https://www.disneyplus.com/welcome"), | |
| ).toBe(0.75); | |
| }); | |
| it("boosts hyphenated labels split across the query's words", () => { | |
| expect(boosted("coca cola", "https://www.coca-cola.com/business")).toBe( | |
| 0.75, | |
| ); | |
| }); | |
| it("does not boost a label that spells only a prefix of the query", () => { | |
| expect( | |
| boosted("tesla investor relations", "https://teslainvestor.com/news"), | |
| ).toBe(0); | |
| }); | |
| it("does not boost a label that starts with a generic query word", () => { | |
| expect(boosted("the disney store", "https://thedisney.com/shop")).toBe(0); | |
| }); | |
| it("does not match a label that only contains the query token", () => { | |
| expect(boosted("disney tickets", "https://disneyfan.com/tickets")).toBe(0); | |
| }); | |
| it("does not treat the label as a word of a longer query word", () => { | |
| expect( | |
| boosted("disneyland paris tickets", "https://disney.com/tickets"), | |
| ).toBe(0); | |
| }); | |
| it("ignores filler words that happen to be a domain", () => { | |
| expect(boosted("the plus size guide", "https://plus.com/guide")).toBe(0); | |
| expect(boosted("news about disney", "https://news.com/disney")).toBe(0); | |
| }); | |
| it("keeps short brand names of three letters", () => { | |
| expect(boosted("wwe next ple", "https://www.wwe.com/events")).toBe(0.5); | |
| expect(boosted("bbc coverage", "https://www.bbc.co.uk/news")).toBe(0.5); | |
| }); | |
| it("reads a generic second level before a country code as part of the suffix", () => { | |
| expect(boosted("lazada tickets", "https://www.lazada.com.my/")).toBe(0.5); | |
| expect(boosted("amazon.com hours", "https://shop.example.com.hk/")).toBe(0); | |
| expect(boosted("ministry tickets", "https://www.ministry.go.jp/")).toBe( | |
| 0.5, | |
| ); | |
| }); | |
| it("reads the tenant of a shared host as the site, not the host", () => { | |
| expect( | |
| boosted("github copilot pricing", "https://someone.github.io/post"), | |
| ).toBe(0); | |
| expect(boosted("mozilla docs", "https://mozilla.github.io/docs")).toBe(0.5); | |
| }); | |
| it("does not boost a page that cannot support the year in the query", () => { | |
| expect( | |
| boosted( | |
| "wrestlemania 43 host city 2027", | |
| "https://www.wwe.com/shows/wrestlemania", | |
| "WrestleMania 42 recap", | |
| "Las Vegas hosted the 2026 event", | |
| ), | |
| ).toBe(0); | |
| }); | |
| it("boosts a page that mentions the year in the query", () => { | |
| expect( | |
| boosted( | |
| "wwe wrestlemania 43 host city 2027", | |
| "https://www.wwe.com/shows/wrestlemania", | |
| "WrestleMania 43 heads to Riyadh in 2027", | |
| "", | |
| ), | |
| ).toBe(0.5); | |
| }); | |
| it("returns 0 for a URL it cannot parse", () => { | |
| expect(boosted("disney", "not a url")).toBe(0); | |
| }); | |
| it("returns 0 for a bare hostname without a dot", () => { | |
| expect(boosted("localhost", "http://localhost:8888/search")).toBe(0); | |
| }); | |
| it("keeps the boost when the anchored query names a year the page omits", () => { | |
| expect( | |
| boosted( | |
| "whats new on disney plus next month December 2026", | |
| "https://www.disneyplus.com/explore", | |
| "What's new on Disney+", | |
| "December releases, updated as we learn more", | |
| ), | |
| ).toBe(0.75); | |
| }); | |
| }); | |