import { describe, expect, it } from "vitest";
import { KeywordParser } from "../../src/domain/services/keyword-parser";
describe("KeywordParser", () => {
it("splits comma separated keywords and normalises case", () => {
const parser = new KeywordParser();
expect(parser.parse("Layout, GRID, design")).toEqual([
"layout",
"grid",
"design",
]);
});
it("handles unicode punctuation and strips blanks", () => {
const parser = new KeywordParser();
expect(parser.parse("导航 / 菜单; UI")).toEqual(["导航", "菜单", "ui"]);
});
it("throws when sentences are provided instead of keywords", () => {
const parser = new KeywordParser();
expect(() => parser.parse("Show me icons for layouts")).toThrowError(
"Keyword input must be provided as short keywords, not full sentences.",
);
});
it("allows many comma-separated keywords (up to 20)", () => {
const parser = new KeywordParser();
const result = parser.parse(
"summer, sun, beach, ocean, wave, palm, tropical, vacation, hot, sunny",
);
expect(result).toEqual([
"summer",
"sun",
"beach",
"ocean",
"wave",
"palm",
"tropical",
"vacation",
"hot",
"sunny",
]);
expect(result.length).toBe(10);
});
it("throws when more than 20 comma-separated keywords are provided", () => {
const parser = new KeywordParser();
const tooManyKeywords = Array.from({ length: 21 }, (_, i) => `keyword${i}`).join(", ");
expect(() => parser.parse(tooManyKeywords)).toThrowError(
"Keyword input must be provided as short keywords, not full sentences.",
);
});
it("detects sentences without delimiters (4+ space-separated words)", () => {
const parser = new KeywordParser();
expect(() => parser.parse("find me some layout icons")).toThrowError(
"Keyword input must be provided as short keywords, not full sentences.",
);
});
it("allows short space-separated keywords (less than 4 words)", () => {
const parser = new KeywordParser();
expect(parser.parse("home office building")).toEqual([
"home",
"office",
"building",
]);
});
it("detects stop words even with delimiters", () => {
const parser = new KeywordParser();
expect(() => parser.parse("home, please, office")).toThrowError(
"Keyword input must be provided as short keywords, not full sentences.",
);
});
});
