test: improve fs mocking with ESM compatibility

- Add proper fs module mocking for ESM environment - Fix test state management between runs - Add comprehensive error handling tests - Update ConfigManager to use dynamic fs imports Co-Authored-By: Michael Latman <[email protected]>
michaellatman · Dec 12, 2024 · 9b4e13b · 9b4e13b
1 parent c2f40b6
commit 9b4e13b
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diff --git a/babel.config.js b/babel.config.js
@@ -0,0 +1,17 @@
+module.exports = {
+  presets: [
+    ['@babel/preset-env', {
+      targets: {
+        node: 'current'
+      },
+      modules: 'commonjs' // Force CommonJS modules for testing
+    }],
+    '@babel/preset-typescript'
+  ],
+  env: {
+    test: {
+      // Additional test-specific configuration
+      plugins: []
+    }
+  }
+};
diff --git a/jest.config.mjs b/jest.config.mjs
@@ -7,12 +7,15 @@ const config = {
     '^(\\.{1,2}/.*)\\.js$': '$1',
   },
   transform: {
+    // Use ts-jest for TypeScript files
     '^.+\\.tsx?$': [
       'ts-jest',
       {
         useESM: true,
       },
     ],
+    // Use babel-jest for mock files
+    '^.+\\.(m?js|ts)x?$': ['babel-jest', { rootMode: 'upward' }],
   },
   roots: ['<rootDir>/src', '<rootDir>/test'],
   testMatch: [