feat: publish HoloLake model-native living system source

product-source/hololake-platform/src/utils/mouseMovement.test.ts

@@ -0,0 +1,65 @@
+import { describe, expect, it } from 'vitest'
+import { detectIntentionalMouseMovement } from './mouseMovement'
+
+function mouseEvent(overrides: Partial<MouseEvent> = {}) {
+  return {
+    clientX: 10,
+    clientY: 20,
+    screenX: 30,
+    screenY: 40,
+    movementX: 0,
+    movementY: 0,
+    ...overrides,
+  } as MouseEvent
+}
+
+function mouseEventWithoutMovementDeltas() {
+  return {
+    clientX: 10,
+    clientY: 20,
+    screenX: 30,
+    screenY: 40,
+  } as MouseEvent
+}
+
+describe('detectIntentionalMouseMovement', () => {
+  it('treats the first zero-delta mousemove as positioning noise', () => {
+    const decision = detectIntentionalMouseMovement(mouseEvent(), null)
+
+    expect(decision.moved).toBe(false)
+    expect(decision.snapshot).toEqual({
+      clientX: 10,
+      clientY: 20,
+      screenX: 30,
+      screenY: 40,
+    })
+  })
+
+  it('treats missing movement deltas as zero', () => {
+    const decision = detectIntentionalMouseMovement(mouseEventWithoutMovementDeltas(), null)
+
+    expect(decision.moved).toBe(false)
+  })
+
+  it('detects movement from browser movement deltas', () => {
+    const decision = detectIntentionalMouseMovement(mouseEvent({ movementX: 1 }), null)
+
+    expect(decision.moved).toBe(true)
+  })
+
+  it('detects movement by comparing coordinates', () => {
+    const previous = detectIntentionalMouseMovement(mouseEvent(), null).snapshot
+
+    const decision = detectIntentionalMouseMovement(mouseEvent({ clientY: 21 }), previous)
+
+    expect(decision.moved).toBe(true)
+  })
+
+  it('ignores repeated mousemove events at the same coordinates', () => {
+    const previous = detectIntentionalMouseMovement(mouseEvent(), null).snapshot
+
+    const decision = detectIntentionalMouseMovement(mouseEvent(), previous)
+
+    expect(decision.moved).toBe(false)
+  })
+})