test(branding): verify async services mocking and local cache stubs for logo

Author: ashishraj1504

components/commitpulse-logo.mock-integrations.test.tsx

@@ -0,0 +1,150 @@
+import { describe, it, expect, vi, afterEach } from 'vitest';
+import { render } from '@testing-library/react';
+import React from 'react';
+import { CommitPulseLogo } from './commitpulse-logo';
+
+interface AssetRecord {
+  key: string;
+  vector: string;
+  theme: 'dark' | 'light';
+  version: string;
+}
+
+class LogoAssetCacheService {
+  private cache = new Map<string, AssetRecord>();
+  private remoteDb = new Map<string, AssetRecord>();
+
+  public dbCallCount = 0;
+  public cacheCallCount = 0;
+
+  constructor(initialDbRecords: AssetRecord[] = []) {
+    initialDbRecords.forEach((record) => {
+      this.remoteDb.set(record.key, record);
+    });
+  }
+
+  public reset() {
+    this.cache.clear();
+    this.dbCallCount = 0;
+    this.cacheCallCount = 0;
+  }
+
+  public async fetchAsset(key: string, timeoutMs: number = 5000): Promise<AssetRecord> {
+    this.cacheCallCount++;
+    if (this.cache.has(key)) {
+      return this.cache.get(key)!;
+    }
+
+    this.dbCallCount++;
+
+    if (timeoutMs < 100) {
+      throw new Error('Timeout: Remote database took too long to respond');
+    }
+
+    const record = this.remoteDb.get(key);
+    if (!record) {
+      throw new Error(`Asset not found: ${key}`);
+    }
+
+    // Simulate async network latency
+    await new Promise((resolve) => setTimeout(resolve, 50));
+
+    return record;
+  }
+
+  public async syncRemoteToLocal(key: string): Promise<void> {
+    const record = await this.fetchAsset(key);
+    this.cache.set(key, record);
+  }
+
+  public setLocalCache(key: string, record: AssetRecord) {
+    this.cache.set(key, record);
+  }
+}
+
+const mockRecord: AssetRecord = {
+  key: 'logo-vector-primary',
+  vector: '<svg>logo</svg>',
+  theme: 'dark',
+  version: '1.2.0',
+};
+
+const fallbackRecord: AssetRecord = {
+  key: 'logo-vector-fallback',
+  vector: '<svg>fallback</svg>',
+  theme: 'light',
+  version: '1.0.0',
+};
+
+describe('CommitPulseLogo - Asynchronous Service Layer Mocking & Cache Stubs (Variation 9)', () => {
+  const service = new LogoAssetCacheService([mockRecord]);
+
+  afterEach(() => {
+    service.reset();
+    vi.restoreAllMocks();
+    vi.useRealTimers();
+  });
+
+  // Case 1: Mock standard asynchronous asset fetching imports using explicit stubs and confirm the service layer returns valid asset records
+  it('Case 1: Mock standard asynchronous asset fetching imports using explicit stubs and confirm the service layer returns valid asset records', async () => {
+    const { container } = render(<CommitPulseLogo className="h-6 w-6" />);
+    expect(container.querySelector('svg')).not.toBeNull();
+
+    const result = await service.fetchAsset('logo-vector-primary');
+    expect(result).toHaveProperty('key', 'logo-vector-primary');
+    expect(result).toHaveProperty('vector');
+    expect(result.theme).toBe('dark');
+    expect(result.version).toBe('1.2.0');
+  });
+
+  // Case 2: Test data retrieval paths to verify that initial pending state overlays or loading flags evaluate correctly before resolving
+  it('Case 2: Test data retrieval paths to verify that initial pending state overlays or loading flags evaluate correctly before resolving', async () => {
+    let isPending = true;
+
+    const fetchPromise = service.fetchAsset('logo-vector-primary').then((res) => {
+      isPending = false;
+      return res;
+    });
+
+    expect(isPending).toBe(true);
+
+    await fetchPromise;
+
+    expect(isPending).toBe(false);
+  });
+
+  // Case 3: Assert that local cache layers are always checked and read before triggering any database or network retrievals
+  it('Case 3: Assert that local cache layers are always checked and read before triggering any database or network retrievals', async () => {
+    service.setLocalCache('logo-vector-primary', mockRecord);
+
+    const result = await service.fetchAsset('logo-vector-primary');
+
+    expect(result).toEqual(mockRecord);
+    expect(service.dbCallCount).toBe(0);
+    expect(service.cacheCallCount).toBe(1);
+  });
+
+  // Case 4: Verify correct defensive fallback parameters are returned if the mock endpoint experiences simulated timeout blocks
+  it('Case 4: Verify correct defensive fallback parameters are returned if the mock endpoint experiences simulated timeout blocks', async () => {
+    let finalRecord: AssetRecord;
+
+    try {
+      finalRecord = await service.fetchAsset('logo-vector-primary', 50);
+    } catch {
+      finalRecord = fallbackRecord;
+    }
+
+    expect(finalRecord).toEqual(fallbackRecord);
+  });
+
+  // Case 5: Assert that a successful remote data sync writes back to local cache storage buffers completely
+  it('Case 5: Assert that a successful remote data sync writes back to local cache storage buffers completely', async () => {
+    await service.syncRemoteToLocal('logo-vector-primary');
+    expect(service.dbCallCount).toBe(1);
+
+    const result = await service.fetchAsset('logo-vector-primary');
+    expect(result).toEqual(mockRecord);
+    expect(service.dbCallCount).toBe(1);
+    expect(service.cacheCallCount).toBe(2);
+  });
+});