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systemic-game-design-course/course/04-interceptors/tests/ts/test_04.test.ts
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// Module 4: Interceptors and "trigger twice". Each test matches a heading in scenarios.md.
import { expect, test } from "vitest";
import { newGame } from "../src/harness";
const fillers = (n: number): string[] => Array(n).fill("Test Filler");
test("test_04_baron_doubles", () => {
const g = newGame({ decks: [fillers(5), []] });
const b = g.summon("Baron Rivendare", 0);
const h = g.summon("Loot Hoarder", 0);
const golem = g.summon("Harvest Golem", 0);
g.dealDamage(golem, 2);
g.clearLog();
g.cast("Whirlwind", 0);
const hand = g.hand(0);
expect(hand).toHaveLength(2);
const [c1, c2] = hand;
const summoned = g.log().flatMap((e) => (e.type === "Summoned" ? [e.id] : []));
expect(summoned).toHaveLength(2);
const [d1, d2] = summoned;
expect(g.log()).toEqual([
{ type: "SpellCast", card: "Whirlwind" },
{ type: "Damaged", target: b, amount: 1 },
{ type: "Damaged", target: h, amount: 1 },
{ type: "Damaged", target: golem, amount: 1 },
{ type: "Destroyed", id: h },
{ type: "Destroyed", id: golem },
{ type: "DeathPhase", round: 1 },
{ type: "Triggered", source: h, trigger: "deathrattle" },
{ type: "Drew", player: 0, id: c1 },
{ type: "Triggered", source: h, trigger: "deathrattle" },
{ type: "Drew", player: 0, id: c2 },
{ type: "Triggered", source: golem, trigger: "deathrattle" },
{ type: "Summoned", id: d1 },
{ type: "Triggered", source: golem, trigger: "deathrattle" },
{ type: "Summoned", id: d2 },
]);
expect(g.nameOf(d1)).toBe("Damaged Golem");
expect(g.nameOf(d2)).toBe("Damaged Golem");
const board = g.board(0);
expect(board).toHaveLength(3);
expect(board[0]).toBe(b);
expect([board[1], board[2]].sort((x, y) => x - y)).toEqual([d1, d2].sort((x, y) => x - y));
expect(g.health(b)).toBe(6);
});
test("test_04_simultaneous_death_not_doubled", () => {
const g = newGame({ decks: [fillers(5), []] });
const b = g.summon("Baron Rivendare", 0);
const h = g.summon("Loot Hoarder", 0);
g.clearLog();
g.cast("Twisting Nether", 0);
expect(g.hand(0)).toHaveLength(1);
const triggers = g.log().filter((e) => e.type === "Triggered" && e.source === h && e.trigger === "deathrattle");
expect(triggers).toHaveLength(1);
expect(g.zoneOf(b)).toBe("graveyard");
expect(g.zoneOf(h)).toBe("graveyard");
});
test("test_04_two_barons_do_not_stack", () => {
const g = newGame({ decks: [fillers(5), []] });
g.summon("Baron Rivendare", 0);
g.summon("Baron Rivendare", 0);
const h = g.summon("Loot Hoarder", 0);
g.clearLog();
g.dealDamage(h, 1);
const hand = g.hand(0);
expect(hand).toHaveLength(2);
const [c1, c2] = hand;
expect(g.log()).toEqual([
{ type: "Damaged", target: h, amount: 1 },
{ type: "Destroyed", id: h },
{ type: "DeathPhase", round: 1 },
{ type: "Triggered", source: h, trigger: "deathrattle" },
{ type: "Drew", player: 0, id: c1 },
{ type: "Triggered", source: h, trigger: "deathrattle" },
{ type: "Drew", player: 0, id: c2 },
]);
});
test("test_04_aura_timing_order", () => {
const g = newGame({ decks: [fillers(5), []] });
const h = g.summon("Loot Hoarder", 0);
const b = g.summon("Baron Rivendare", 0);
g.clearLog();
g.cast("Twisting Nether", 0);
const hand = g.hand(0);
expect(hand).toHaveLength(1);
const c = hand[0];
expect(g.log()).toEqual([
{ type: "SpellCast", card: "Twisting Nether" },
{ type: "Destroyed", id: h },
{ type: "Destroyed", id: b },
{ type: "DeathPhase", round: 1 },
{ type: "Triggered", source: h, trigger: "deathrattle" },
{ type: "Drew", player: 0, id: c },
]);
});
test("test_04_battlecry_on_play", () => {
const g = newGame({ decks: [fillers(5), []] });
const e = g.addToHand("Novice Engineer", 0);
g.clearLog();
g.play(e);
const hand = g.hand(0);
expect(hand).toHaveLength(1);
const c = hand[0];
expect(g.log()).toEqual([
{ type: "Summoned", id: e },
{ type: "Triggered", source: e, trigger: "battlecry" },
{ type: "Drew", player: 0, id: c },
]);
expect(g.zoneOf(e)).toBe("board");
expect(g.board(0)).toEqual([e]);
});