Initial upload with CI/CD workflow

tests/generator.test.ts

@@ -0,0 +1,46 @@
+import * as path from 'path';
+import { generateTypeScriptInterface } from '../src/utils/typeGenerator';
+import { parseEnvFile } from '../src/core/parser';
+import { parseSchemaFromEnv } from '../src/core/validator';
+
+describe('TypeGenerator', () => {
+  const fixturesDir = path.join(__dirname, 'fixtures');
+
+  test('generates TypeScript interface from schema', () => {
+    const envPath = path.join(fixturesDir, '.env');
+    const parsed = parseEnvFile(envPath);
+    const schema = parseSchemaFromEnv(parsed.flat);
+
+    const result = generateTypeScriptInterface(schema, parsed, 'TestEnv');
+
+    expect(result).toContain('export interface TestEnv {');
+    expect(result).toContain('PORT: number;');
+    expect(result).toContain('NODE_ENV: string;');
+    expect(result).toContain('DEBUG: boolean;');
+  });
+
+  test('generates nested interfaces for underscore-prefixed variables', () => {
+    const envPath = path.join(fixturesDir, '.env');
+    const parsed = parseEnvFile(envPath);
+    const schema = parseSchemaFromEnv(parsed.flat);
+
+    const result = generateTypeScriptInterface(schema, parsed, 'TestEnv');
+
+    expect(result).toContain('export interface Db {');
+    expect(result).toContain('HOST?: string;');
+    expect(result).toContain('PORT?: string;');
+    expect(result).toContain('USER?: string;');
+  });
+
+  test('generates proper types for different value types', () => {
+    const envPath = path.join(fixturesDir, '.env');
+    const parsed = parseEnvFile(envPath);
+    const schema = parseSchemaFromEnv(parsed.flat);
+
+    const result = generateTypeScriptInterface(schema, parsed, 'TestEnv');
+
+    expect(result).toMatch(/PORT(?:\?|): number/);
+    expect(result).toMatch(/NODE_ENV(?:\?|): string/);
+    expect(result).toMatch(/DEBUG(?:\?|): boolean/);
+  });
+});