Update Healer Man server

src/game/wow335DeathKnightSpellDeflectionRuntime.test.ts

@@ -0,0 +1,48 @@
+import { describe, expect, it } from "vitest";
+import {
+  wow335DeathKnightSpellDeflectionAbsorbedAmount,
+  wow335DeathKnightSpellDeflectionDamage,
+  wow335DeathKnightSpellDeflectionProfile,
+  wow335DeathKnightSpellDeflectionSchoolMask,
+  wow335DeathKnightSpellDeflectionShouldProc,
+} from "./wow335DeathKnightSpellDeflectionRuntime";
+
+describe("WoW Death Knight Spell Deflection", () => {
+  it("reads all generated ranks and DBC school-absorb metadata", () => {
+    expect([1, 2, 3].map(wow335DeathKnightSpellDeflectionProfile)).toEqual([
+      { rank: 1, absorbFraction: 0.15, procChanceSource: "live-parry", auraType: 69, schoolMask: 126 },
+      { rank: 2, absorbFraction: 0.3, procChanceSource: "live-parry", auraType: 69, schoolMask: 126 },
+      { rank: 3, absorbFraction: 0.45, procChanceSource: "live-parry", auraType: 69, schoolMask: 126 },
+    ]);
+    expect(wow335DeathKnightSpellDeflectionProfile(0)).toBeNull();
+    expect(wow335DeathKnightSpellDeflectionProfile(4)).toBeNull();
+    const schools = ["physical", "holy", "fire", "nature", "frost", "shadow", "arcane"] as const;
+    expect(schools.map(wow335DeathKnightSpellDeflectionSchoolMask)).toEqual([1, 2, 4, 8, 16, 32, 64]);
+  });
+
+  it("uses Parry chance as the proc chance, including 0%, threshold, and 100% edges", () => {
+    const event = { directDamageSpell: true, schoolMask: 4, damage: 100, parryChancePercent: 5, roll: 0.0499 };
+    expect(wow335DeathKnightSpellDeflectionShouldProc(3, event)).toBe(true);
+    expect(wow335DeathKnightSpellDeflectionShouldProc(3, { ...event, roll: 0.05 })).toBe(false);
+    expect(wow335DeathKnightSpellDeflectionShouldProc(3, { ...event, parryChancePercent: 0, roll: 0 })).toBe(false);
+    expect(wow335DeathKnightSpellDeflectionShouldProc(3, { ...event, parryChancePercent: 100, roll: 0.9999 }))
+      .toBe(true);
+    expect(wow335DeathKnightSpellDeflectionShouldProc(3, { ...event, parryChancePercent: 150, roll: 0.9999 }))
+      .toBe(true);
+    expect(wow335DeathKnightSpellDeflectionShouldProc(3, { ...event, schoolMask: 1 })).toBe(false);
+  });
+
+  it("excludes periodic, non-spell, and zero-damage events", () => {
+    const event = { directDamageSpell: false, schoolMask: 4, damage: 100, parryChancePercent: 100, roll: 0 };
+    expect(wow335DeathKnightSpellDeflectionShouldProc(3, event)).toBe(false);
+    expect(wow335DeathKnightSpellDeflectionShouldProc(3, { ...event, directDamageSpell: true, damage: 0 }))
+      .toBe(false);
+  });
+
+  it("reduces damage by the generated rank value after a successful proc", () => {
+    expect([1, 2, 3].map((rank) => wow335DeathKnightSpellDeflectionDamage(101, rank))).toEqual([86, 71, 56]);
+    expect([1, 2, 3].map((rank) => wow335DeathKnightSpellDeflectionAbsorbedAmount(99, rank))).toEqual([14, 29, 44]);
+    expect([1, 2, 3].map((rank) => wow335DeathKnightSpellDeflectionDamage(99, rank))).toEqual([85, 70, 55]);
+    expect(wow335DeathKnightSpellDeflectionDamage(101, 0)).toBe(101);
+  });
+});