test(refresh-policy): add responsive breakpoints test suite (JhaSourav07#2939) (JhaSourav07#3051)

Author: JhaSourav07

services/github/refresh-policy.responsive-breakpoints.test.ts

@@ -0,0 +1,50 @@
+import { beforeEach, describe, expect, it } from 'vitest';
+import { RefreshPolicy } from './refresh-policy';
+
+describe('RefreshPolicy - Responsive Breakpoints Layout Cohesion', () => {
+  beforeEach(() => {
+    window.innerWidth = 375;
+    window.dispatchEvent(new Event('resize'));
+  });
+
+  it('maintains expected cooldown constraints under simulated mobile viewport dimensions', () => {
+    const policy = RefreshPolicy.getInstance();
+    policy.reset();
+
+    expect(window.innerWidth).toBe(375);
+
+    const allowed = policy.isRefreshAllowed('mobile-user');
+    expect(allowed).toBe(true);
+
+    policy.recordRefresh('mobile-user');
+    expect(policy.isRefreshAllowed('mobile-user')).toBe(false);
+  });
+
+  it('verifies that resizing viewport does not disrupt existing active cooldown timers', () => {
+    const policy = RefreshPolicy.getInstance();
+    policy.reset();
+    policy.recordRefresh('resizable-user');
+
+    // Verify it is blocked on mobile
+    expect(policy.isRefreshAllowed('resizable-user')).toBe(false);
+
+    // Resize viewport to desktop breakpoint
+    window.innerWidth = 1440;
+    window.dispatchEvent(new Event('resize'));
+
+    // Cooldown state must be preserved
+    expect(window.innerWidth).toBe(1440);
+    expect(policy.isRefreshAllowed('resizable-user')).toBe(false);
+  });
+
+  it('ensures duration limits are independent of window/responsive viewport heights', () => {
+    const policy = RefreshPolicy.getInstance();
+    policy.reset();
+    policy.setCooldown(5000);
+
+    window.innerHeight = 812;
+    window.dispatchEvent(new Event('resize'));
+
+    expect(policy.getRemainingCooldown('user-a')).toBe(0);
+  });
+});