feat: complete bark battle playable demo

src/games/bark-battle/domain/__tests__/BarkDetector.test.ts

@@ -4,30 +4,23 @@ import { DEFAULT_BARK_BATTLE_CONFIG } from '../../application/BarkBattleConfig';
 import { BarkDetector } from '../BarkDetector';
 
 describe('BarkDetector', () => {
-  it('超过阈值且持续时长合规时只计为一次有效叫声', () => {
+  it('每个监测点只检测瞬时响度，超过阈值立即触发', () => {
     const detector = new BarkDetector({
       threshold: 0.45,
       minBarkGapMs: DEFAULT_BARK_BATTLE_CONFIG.minBarkGapMs,
-      minBarkDurationMs: 90,
-      maxBarkDurationMs: 900,
     });
 
     expect(detector.acceptSample({ atMs: 0, volume: 0.2 })).toEqual([]);
-    expect(detector.acceptSample({ atMs: 40, volume: 0.72 })).toEqual([]);
-    expect(detector.acceptSample({ atMs: 150, volume: 0.76 })).toEqual([]);
-    const events = detector.acceptSample({ atMs: 180, volume: 0.2 });
+    const events = detector.acceptSample({ atMs: 40, volume: 0.72 });
 
     expect(events).toHaveLength(1);
-    expect(events[0]).toMatchObject({ side: 'player', peakVolume: 0.76 });
-    expect(events[0]?.durationMs).toBe(140);
+    expect(events[0]).toMatchObject({ side: 'player', atMs: 40, peakVolume: 0.72, durationMs: 0 });
   });
 
-  it('持续噪音不会在每个 tick 无限计数', () => {
+  it('持续噪音按冷却间隔触发，不需要等待响度回落', () => {
     const detector = new BarkDetector({
       threshold: 0.4,
       minBarkGapMs: 250,
-      minBarkDurationMs: 80,
-      maxBarkDurationMs: 600,
     });
 
     const allEvents = [
@@ -36,27 +29,55 @@ describe('BarkDetector', () => {
       ...detector.acceptSample({ atMs: 200, volume: 0.73 }),
       ...detector.acceptSample({ atMs: 300, volume: 0.75 }),
       ...detector.acceptSample({ atMs: 500, volume: 0.2 }),
+      ...detector.acceptSample({ atMs: 560, volume: 0.76 }),
     ];
 
-    expect(allEvents).toHaveLength(1);
+    expect(allEvents.map((event) => event.atMs)).toEqual([0, 300, 560]);
   });
 
-  it('低于阈值的背景噪音、过短脉冲和冷却内峰值不计数', () => {
+  it('低于阈值的背景噪音和冷却内峰值不计数，最短持续时长不再参与判断', () => {
     const detector = new BarkDetector({
       threshold: 0.5,
       minBarkGapMs: 300,
-      minBarkDurationMs: 80,
-      maxBarkDurationMs: 800,
     });
 
     expect(detector.acceptSample({ atMs: 0, volume: 0.48 })).toEqual([]);
-    detector.acceptSample({ atMs: 20, volume: 0.9 });
-    expect(detector.acceptSample({ atMs: 60, volume: 0.2 })).toEqual([]);
+    expect(detector.acceptSample({ atMs: 20, volume: 0.9 })).toHaveLength(1);
+    expect(detector.acceptSample({ atMs: 60, volume: 0.95 })).toEqual([]);
 
-    detector.acceptSample({ atMs: 500, volume: 0.88 });
-    expect(detector.acceptSample({ atMs: 620, volume: 0.2 })).toHaveLength(1);
+    expect(detector.acceptSample({ atMs: 320, volume: 0.88 })).toHaveLength(1);
+    expect(detector.acceptSample({ atMs: 420, volume: 0.2 })).toEqual([]);
+  });
 
-    detector.acceptSample({ atMs: 700, volume: 0.9 });
-    expect(detector.acceptSample({ atMs: 820, volume: 0.2 })).toEqual([]);
+  it('支持 100ms 级别间隔的快速连续有效叫声', () => {
+    const detector = new BarkDetector({
+      threshold: 0.5,
+      minBarkGapMs: 100,
+    });
+
+    const allEvents = [
+      ...detector.acceptSample({ atMs: 0, volume: 0.86 }),
+      ...detector.acceptSample({ atMs: 60, volume: 0.9 }),
+      ...detector.acceptSample({ atMs: 120, volume: 0.91 }),
+      ...detector.acceptSample({ atMs: 180, volume: 0.92 }),
+      ...detector.acceptSample({ atMs: 240, volume: 0.93 }),
+    ];
+
+    expect(allEvents).toHaveLength(3);
+    expect(allEvents.map((event) => event.atMs)).toEqual([0, 120, 240]);
+  });
+
+  it('非有限音量会归零，超过 1 的音量会夹到 1', () => {
+    const detector = new BarkDetector({
+      threshold: 0.5,
+      minBarkGapMs: 100,
+    });
+
+    expect(detector.acceptSample({ atMs: 0, volume: Number.NaN })).toEqual([]);
+    expect(detector.acceptSample({ atMs: 120, volume: Number.POSITIVE_INFINITY })).toEqual([]);
+    const events = detector.acceptSample({ atMs: 240, volume: 2 });
+
+    expect(events).toHaveLength(1);
+    expect(events[0]?.peakVolume).toBe(1);
   });
 });