test(bare-rn): mock native packages so smoke test can render

Author: msluszniak

apps/bare-rn/__mocks__/background-downloader.js

@@ -0,0 +1,3 @@
+module.exports = {
+  setConfig: jest.fn(),
+};

apps/bare-rn/__mocks__/react-native-executorch-bare-resource-fetcher.js

@@ -0,0 +1,3 @@
+module.exports = {
+  BareResourceFetcher: {},
+};

apps/bare-rn/__mocks__/react-native-executorch.js

@@ -0,0 +1,14 @@
+module.exports = {
+  initExecutorch: jest.fn(),
+  useLLM: () => ({
+    isReady: false,
+    isGenerating: false,
+    response: '',
+    messageHistory: [],
+    downloadProgress: 0,
+    error: null,
+    sendMessage: jest.fn(),
+    interrupt: jest.fn(),
+  }),
+  LLAMA3_2_1B_SPINQUANT: 'LLAMA3_2_1B_SPINQUANT',
+};

apps/bare-rn/jest.config.js

@@ -1,3 +1,11 @@
 module.exports = {
   preset: 'react-native',
+  moduleNameMapper: {
+    '^react-native-executorch$':
+      '<rootDir>/__mocks__/react-native-executorch.js',
+    '^react-native-executorch-bare-resource-fetcher$':
+      '<rootDir>/__mocks__/react-native-executorch-bare-resource-fetcher.js',
+    '^@kesha-antonov/react-native-background-downloader$':
+      '<rootDir>/__mocks__/background-downloader.js',
+  },
 };