30 lines
1021 B
TypeScript
30 lines
1021 B
TypeScript
import { expect, test } from "bun:test";
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import { decideMovie, paretoFilter } from "../src/client/algorithm.ts";
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test("paretoFilter removes dominated movies", () => {
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const movies = ["A", "B"];
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const people = ["P1", "P2"];
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const ratings = { P1: { A: 1, B: 3 }, P2: { A: 2, B: 4 } };
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expect(paretoFilter(movies, people, ratings)).toEqual(["B"]);
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});
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test("nash protects against hard no", () => {
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const movies = ["Consensus", "Polarizing"];
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const people = ["A", "B", "C"];
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const ratings = {
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A: { Consensus: 3, Polarizing: 5 },
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B: { Consensus: 3, Polarizing: 5 },
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C: { Consensus: 3, Polarizing: 0 },
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};
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const result = decideMovie({ movies, people, ratings });
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expect(result.winner.movie).toBe("Consensus");
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});
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test("tie-breaker uses alphabetical order", () => {
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const movies = ["Alpha", "Beta"];
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const people = ["A", "B"];
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const ratings = { A: { Alpha: 2, Beta: 2 }, B: { Alpha: 2, Beta: 2 } };
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const result = decideMovie({ movies, people, ratings });
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expect(result.winner.movie).toBe("Alpha");
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});
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