feat: add Jest configuration and basic framework tests

jest.config.cjs

@@ -0,0 +1,18 @@
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+  roots: ['<rootDir>/tests'],
+  testMatch: ['**/__tests__/**/*.ts', '**/?(*.)+(spec|test).ts'],
+  transform: {
+    '^.+\\.ts$': [
+      'ts-jest',
+      {
+        isolatedModules: true
+      },
+    ],
+  },
+  collectCoverageFrom: ['src/**/*.ts', '!src/**/*.d.ts', '!src/**/index.ts', '!src/examples/**'],
+  coverageDirectory: 'coverage',
+  coverageReporters: ['text', 'lcov', 'html'],
+  testTimeout: 30000,
+};

jest.config.mjs

@@ -1,34 +0,0 @@
-export default {
-  preset: 'ts-jest/presets/default-esm',
-  extensionsToTreatAsEsm: ['.ts'],
-  testEnvironment: 'node',
-  roots: ['<rootDir>/src', '<rootDir>/tests'],
-  testMatch: [
-    '**/__tests__/**/*.ts',
-    '**/?(*.)+(spec|test).ts'
-  ],
-  transform: {
-    '^.+\\.ts$': ['ts-jest', {
-      useESM: true
-    }],
-  },
-  collectCoverageFrom: [
-    'src/**/*.ts',
-    '!src/**/*.d.ts',
-    '!src/**/index.ts',
-    '!src/examples/**',
-  ],
-  coverageDirectory: 'coverage',
-  coverageReporters: [
-    'text',
-    'lcov',
-    'html'
-  ],
-  setupFilesAfterEnv: ['<rootDir>/tests/setup.ts'],
-  testTimeout: 30000,
-  moduleNameMapping: {
-    '^@/(.*)$': '<rootDir>/src/$1',
-    '^@orbitdb/core$': '<rootDir>/tests/mocks/orbitdb.ts',
-    '^@helia/helia$': '<rootDir>/tests/mocks/ipfs.ts',
-  },
-};

package.json

@@ -87,14 +87,5 @@
     "tsc-esm-fix": "^3.1.2",
     "typescript": "^5.8.2",
     "typescript-eslint": "^8.29.0"
-  },
-  "compilerOptions": {
-    "typeRoots": [
-      "./node_modules/@types",
-      "./node_modules/@constl/orbit-db-types"
-    ],
-    "types": [
-      "@constl/orbit-db-types"
-    ]
   }
 }

tests/basic.test.ts

@@ -0,0 +1,22 @@
+import { describe, it, expect } from '@jest/globals';
+
+describe('Basic Framework Test', () => {
+  it('should be able to run tests', () => {
+    expect(1 + 1).toBe(2);
+  });
+
+  it('should validate test infrastructure', () => {
+    const mockFunction = jest.fn();
+    mockFunction('test');
+    expect(mockFunction).toHaveBeenCalledWith('test');
+  });
+
+  it('should handle async operations', async () => {
+    const asyncFunction = async () => {
+      return Promise.resolve('success');
+    };
+
+    const result = await asyncFunction();
+    expect(result).toBe('success');
+  });
+});