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game.test.js
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import {
checkSet4Set,
checkSetGhost,
checkSetNormal,
checkSetUltra,
conjugateCard,
conjugateCard4Set,
findSet,
} from "./game";
it("computes conjugate cards", () => {
expect(conjugateCard("0001", "0002")).toBe("0000");
expect(conjugateCard("1201", "1002")).toBe("1100");
expect(conjugateCard("0112", "0112")).toBe("0112");
});
it("computes conjugate cards (4set) ", () => {
expect(conjugateCard4Set("2033", "2212", "1011")).toBe("1230");
expect(conjugateCard4Set("3312", "3311", "2133")).toBe("2130");
expect(conjugateCard4Set("2330", "3220", "1202")).toBe("0312");
});
const verifySet = (cards) => {
expect(cards.length).toBe(3);
const [a, b, c] = cards;
expect(conjugateCard(a, b)).toBe(c);
};
it("checks sets", () => {
verifySet(checkSetNormal("0001", "0002", "0000"));
expect(checkSetNormal("0001", "0002", "0020")).toBe(null);
expect(checkSetNormal("0010", "0002", "0000")).toBe(null);
verifySet(checkSetNormal("1201", "1002", "1100"));
expect(checkSetNormal("1221", "1002", "1100")).toBe(null);
verifySet(checkSetNormal("0112", "0112", "0112"));
expect(checkSetNormal("0112", "0122", "0112")).toBe(null);
});
const verifyUltra = (cards) => {
expect(cards.length).toBe(4);
const [a, b, c, d] = cards;
expect(conjugateCard(a, b)).toBe(conjugateCard(c, d));
};
it("checks ultrasets", () => {
verifyUltra(checkSetUltra("0001", "0002", "1202", "2101"));
verifyUltra(checkSetUltra("1202", "0001", "0002", "2101"));
verifyUltra(checkSetUltra("1202", "0001", "2101", "0002"));
expect(checkSetUltra("0000", "1111", "2222", "1212")).toBe(null);
expect(checkSetUltra("0000", "1111", "1010", "1212")).toBe(null);
verifyUltra(checkSetUltra("1001", "1221", "1010", "1212"));
});
const verifyGhost = (cards) => {
expect(cards.length).toBe(6);
const [a, b, c, d, e, f] = cards;
verifySet([conjugateCard(a, b), conjugateCard(c, d), conjugateCard(e, f)]);
};
it("checks ghostsets", () => {
verifyGhost(checkSetGhost("0001", "0002", "0000", "1201", "1002", "1100"));
verifyGhost(checkSetGhost("1020", "0011", "0020", "0021", "0201", "2120"));
expect(checkSetGhost("1020", "0011", "1020", "0021", "0201", "2120")).toBe(
null
);
verifyGhost(checkSetGhost("1111", "1021", "0102", "2001", "2100", "0001"));
expect(checkSetGhost("1111", "1021", "0102", "2001", "2100", "0201")).toBe(
null
);
verifyGhost(checkSetGhost("0120", "1022", "1012", "0110", "2102", "2000"));
expect(checkSetGhost("0120", "1022", "1012", "0110", "2102", "2020")).toBe(
null
);
});
const verify4Set = (cards) => {
expect(cards.length).toBe(4);
const [a, b, c, d] = cards;
expect(conjugateCard4Set(a, b, c)).toBe(d);
};
it("checks 4sets", () => {
verify4Set(checkSet4Set("0000", "0102", "0210", "0312"));
expect(checkSet4Set("0000", "0102", "0210", "0310")).toBe(null);
});
describe("findSet()", () => {
it("can find normal sets", () => {
for (const deck of [
["0112", "0112", "0112"],
["2012", "0112", "0112", "2011", "0112"],
["1111", "2222", "1010", "2021", "0201", "1021", "1022", "0112"],
]) {
verifySet(findSet(deck, "normal"));
verifySet(findSet(deck, "setchain", { lastSet: [] }));
}
for (const deck of [
["2012", "0112", "0000", "2011", "2020"],
["1121", "2222", "1010", "2021", "0201", "1021", "1022", "0112"],
["1121", "2021", "2222", "0112", "1021", "1022", "0201", "1010"],
]) {
expect(findSet(deck, "normal")).toBe(null);
expect(findSet(deck, "setchain", { lastSet: [] })).toBe(null);
}
});
it("can find set-chains", () => {
const state = { lastSet: ["1200", "0012", "2121"] };
expect(findSet(["0112", "0111", "0110"], "setchain", state)).toBe(null);
verifySet(findSet(["0112", "0211", "0110"], "setchain", state));
});
it("can find puzzle sets", () => {
const board = ["0000", "0001", "0002", "0010", "0020", "0011"];
const state = { foundSets: new Set() };
for (let i = 0; i < 3; i++) {
const set = findSet(board, "puzzle", state);
verifySet(set);
expect(state.foundSets.has(set.slice().sort().join("|"))).toBe(false);
state.foundSets.add(set.slice().sort().join("|"));
}
expect(findSet(board, "puzzle", state)).toBe(null);
});
it("can find ultrasets", () => {
for (const deck of [
["1202", "0001", "0002", "2101"],
["1202", "0000", "0001", "0002", "2101"],
]) {
verifyUltra(findSet(deck, "ultraset"));
verifyUltra(findSet(deck, "ultrachain", { lastSet: [] }));
}
for (const deck of [
["1202", "0000", "0001", "0002"],
["1202", "0000", "0001", "0002", "2202"],
]) {
expect(findSet(deck, "ultraset")).toBe(null);
expect(findSet(deck, "ultrachain", { lastSet: [] })).toBe(null);
}
});
it("can find ultraset-chains", () => {
const state = { lastSet: ["1202", "0001", "0002", "2101"] };
expect(findSet(["1001", "1221", "1010", "1210"], "ultrachain", state)).toBe(
null
);
verifyUltra(findSet(["1001", "1221", "1010", "2112"], "ultrachain", state));
verifyUltra(findSet(["1001", "1221", "1010", "1220"], "ultrachain", state));
});
it("can find ghostsets", () => {
for (const deck of [
["0001", "0002", "0000", "1201", "1002", "1100", "1111"],
["1111", "1021", "0102", "2001", "2100", "0001", "0002", "2222"],
["0001", "0002", "0010", "0020", "0100", "0200", "1111", "2222"],
]) {
verifyGhost(findSet(deck, "ghostset"));
}
for (const deck of [
["0001", "0002", "0000", "1201", "1002"],
["1111", "1021", "0102", "2001", "2100", "1001", "0002"],
]) {
expect(findSet(deck, "ghostset")).toBe(null);
}
});
it("can find 4sets", () => {
for (const deck of [
["0000", "0102", "0210", "0312"],
["0123", "0000", "0102", "0210", "0312", "3210"],
["0123", "0000", "0102", "0210", "0312", "3210", "1111", "2323"],
]) {
verify4Set(findSet(deck, "4set"));
}
for (const deck of [
["0000", "0102", "0210", "0311"],
["0123", "0000", "0102", "0210", "0311", "3210"],
["0123", "0000", "0102", "0210", "0311", "3210", "1111", "2323"],
]) {
expect(findSet(deck, "4set")).toBe(null);
}
});
});