feat: added tests to increase coverage

test/scene-fetcher.spec.ts

@@ -0,0 +1,59 @@
+import { createSceneFetcherComponent } from '../src/adapters/scene-fetcher'
+import { Permissions } from '../src/types'
+import { LRUCache } from 'lru-cache'
+
+describe('SceneFetcherComponent', () => {
+  const mockConfig = {
+    requireString: jest.fn(),
+    getString: jest.fn(),
+    getNumber: jest.fn(),
+    requireNumber: jest.fn()
+  }
+  const mockFetch = {
+    fetch: jest.fn()
+  }
+  const mockLogs = {
+    getLogger: jest.fn().mockReturnValue({
+      log: jest.fn(),
+      warn: jest.fn()
+    })
+  }
+
+  beforeEach(() => {
+    jest.clearAllMocks()    
+  })
+
+
+  it('should return undefined if the world sceneId is not found', async () => {
+    mockFetch.fetch.mockResolvedValueOnce({ json: async () => ({ configurations: { scenesUrn: [] } }) })
+    const sceneFetcher = await createSceneFetcherComponent({ config: mockConfig, fetch: mockFetch, logs: mockLogs })
+    const permissions = await sceneFetcher.fetchWorldPermissions('missing-world')
+
+    expect(permissions).toBeUndefined()
+  })
+
+
+  it('should return default permissions on fetch error', async () => {
+    mockFetch.fetch.mockRejectedValueOnce(new Error('Network error'))
+    const sceneFetcher = await createSceneFetcherComponent({ config: mockConfig, fetch: mockFetch, logs: mockLogs })
+    const permissions = await sceneFetcher.fetchScenePermissions('scene-123')
+    expect(permissions).toEqual({ cast: [], mute: [] })
+    expect(mockLogs.getLogger().warn).toHaveBeenCalled()
+  })
+
+  it('should use LRU cache for fetching scene IDs', async () => {
+    const cacheSpy = jest.spyOn(LRUCache.prototype, 'fetch')
+
+    // Mock responses for cache logic
+    mockFetch.fetch.mockResolvedValueOnce({
+      json: async () => ({
+        configurations: { scenesUrn: ['urn:decentraland:scene:world:cached-scene'] }
+      })
+    })
+
+    const sceneFetcher = await createSceneFetcherComponent({ config: mockConfig, fetch: mockFetch, logs: mockLogs })
+    await sceneFetcher.fetchWorldPermissions('cached-world')
+
+    expect(cacheSpy).toHaveBeenCalledWith('cached-world')
+  })
+})