Release v0.1.3 2026-07-11

src/game/roguelike.test.ts

@@ -0,0 +1,37 @@
+import { describe, expect, it } from "vitest";
+import { freshParty } from "./data";
+import {
+  applyRunBuffsToParty,
+  bossHealthMultiplier,
+  runHealingMultiplier,
+  runMaxMana,
+  selectRandomBossPair,
+} from "./roguelike";
+
+describe("roguelike progression", () => {
+  it("adds 10% base boss HP per completed round", () => {
+    expect(bossHealthMultiplier(1)).toBe(1);
+    expect(bossHealthMultiplier(2)).toBe(1.1);
+    expect(bossHealthMultiplier(5)).toBe(1.4);
+  });
+
+  it("stacks each persistent buff independently", () => {
+    const buffs = ["vital-bloom", "vital-bloom", "deep-wells", "restoring-grace"] as const;
+    const party = applyRunBuffsToParty(freshParty("priest", "Aelia"), buffs);
+
+    expect(party[0].maxHp).toBe(124);
+    expect(party[1].maxHp).toBe(186);
+    expect(runMaxMana(buffs)).toBe(120);
+    expect(runHealingMultiplier(buffs)).toBe(1.15);
+  });
+
+  it("selects a distinct pair that excludes both bosses from the prior round", () => {
+    const values = [0, 0];
+    const pair = selectRandomBossPair(["bulldrome", "vexa"], () => values.shift() ?? 0);
+
+    expect(pair).toEqual(["cindermaw", "ember-mantis-duelist"]);
+    expect(new Set(pair)).toHaveLength(2);
+    expect(pair).not.toContain("bulldrome");
+    expect(pair).not.toContain("vexa");
+  });
+});