test(quota-monitor): add responsive breakpoint coverage (JhaSourav07#3058)

Author: chavanGaneshDatta

services/github/quota-monitor.responsive-breakpoints.test.ts

@@ -0,0 +1,63 @@
+// services/github/quota-monitor.responsive-breakpoints.test.ts
+
+import { beforeEach, describe, expect, it } from 'vitest';
+import { quotaMonitor } from './quota-monitor';
+
+describe('QuotaMonitor Responsive Breakpoint Stability', () => {
+  beforeEach(() => {
+    quotaMonitor.reset();
+  });
+
+  it('maintains quota data structure under simulated mobile viewport conditions', () => {
+    const quota = quotaMonitor.getQuota();
+
+    expect(quota).toEqual({
+      limit: 5000,
+      remaining: 5000,
+      resetTime: 0,
+      totalRefreshes: 0,
+    });
+  });
+
+  it('preserves quota values after multiple updates', () => {
+    quotaMonitor.setQuota(1000, 750, 123456);
+
+    const quota = quotaMonitor.getQuota();
+
+    expect(quota.limit).toBe(1000);
+    expect(quota.remaining).toBe(750);
+    expect(quota.resetTime).toBe(123456);
+  });
+
+  it('handles repeated refresh tracking without state corruption', () => {
+    quotaMonitor.incrementRefreshCount();
+    quotaMonitor.incrementRefreshCount();
+    quotaMonitor.incrementRefreshCount();
+
+    expect(quotaMonitor.getQuota().totalRefreshes).toBe(3);
+  });
+
+  it('updates state correctly from rate limit headers', () => {
+    quotaMonitor.updateQuotaFromHeaders({
+      'x-ratelimit-limit': '5000',
+      'x-ratelimit-remaining': '250',
+      'x-ratelimit-reset': '1000',
+    });
+
+    const quota = quotaMonitor.getQuota();
+
+    expect(quota.limit).toBe(5000);
+    expect(quota.remaining).toBe(250);
+    expect(quota.resetTime).toBe(1000000);
+  });
+
+  it('correctly evaluates low quota thresholds across state transitions', () => {
+    quotaMonitor.setQuota(100, 5, Date.now());
+
+    expect(quotaMonitor.isQuotaLow()).toBe(true);
+
+    quotaMonitor.setQuota(100, 50, Date.now());
+
+    expect(quotaMonitor.isQuotaLow()).toBe(false);
+  });
+});