add new autoFix test

Author: nhannah

tests/autofix.spec.js

@@ -55,3 +55,52 @@ describe('autofix', () => {
     assert.strictEqual(output, expected);
   });
 });
+
+describe('autofix-required-first', () => {
+  it('should properly format comments and indent level for required first option', () => {
+    const { name: tmpDir } = tmp.dirSync({
+      prefix: 'typescript-sort-keys-',
+      unsafeCleanup: true,
+    });
+
+    const testFilePath = Path.join(tmpDir, 'autofix-required-first.ts');
+
+    const input = fs.readFileSync('tests/fixtures/autofix.input.ts', 'utf8');
+
+    const expected = fs.readFileSync(
+      'tests/fixtures/autofix-required-first.output.ts',
+      'utf8',
+    );
+
+    fs.writeFileSync(testFilePath, input);
+
+    const result = spawn.sync(
+      'eslint',
+      [
+        '--ext',
+        '.ts',
+        '--rulesdir',
+        'lib/rules',
+        '--config',
+        require.resolve('./fixtures/.eslintrcRequiredFirst'),
+        testFilePath,
+        '--fix',
+      ],
+      {
+        encoding: 'utf8',
+      },
+    );
+
+    if (result.status !== 0) {
+      // eslint-disable-next-line no-console
+      console.error(result.stdout);
+      // eslint-disable-next-line no-console
+      console.error(result.stderr);
+      throw new Error(`Process exited with status ${result.status}`);
+    }
+
+    const output = fs.readFileSync(testFilePath, 'utf8');
+
+    assert.strictEqual(output, expected);
+  });
+});

tests/fixtures/.eslintrcRequiredFirst.js

@@ -0,0 +1,14 @@
+module.exports = {
+  root: true,
+  parser: '@typescript-eslint/parser',
+  plugins: ['@typescript-eslint'],
+  rules: {
+    interface: ['error', 'asc', { caseSensitive: true, natural: true, requiredFirst: true }],
+    'string-enum': 'error',
+  },
+  settings: {
+    'import/parsers': {
+      '@typescript-eslint/parser': ['.ts'],
+    },
+  },
+};