chore(integration-tests): refactor to typescript (#5645)

integration-tests/list_directory.test.ts

@@ -0,0 +1,62 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { test } from 'node:test';
+import { strict as assert } from 'assert';
+import { TestRig, printDebugInfo, validateModelOutput } from './test-helper.js';
+import { existsSync } from 'fs';
+import { join } from 'path';
+
+test('should be able to list a directory', async () => {
+  const rig = new TestRig();
+  await rig.setup('should be able to list a directory');
+  rig.createFile('file1.txt', 'file 1 content');
+  rig.mkdir('subdir');
+  rig.sync();
+
+  // Poll for filesystem changes to propagate in containers
+  await rig.poll(
+    () => {
+      // Check if the files exist in the test directory
+      const file1Path = join(rig.testDir!, 'file1.txt');
+      const subdirPath = join(rig.testDir!, 'subdir');
+      return existsSync(file1Path) && existsSync(subdirPath);
+    },
+    1000, // 1 second max wait
+    50, // check every 50ms
+  );
+
+  const prompt = `Can you list the files in the current directory. Display them in the style of 'ls'`;
+
+  const result = await rig.run(prompt);
+
+  const foundToolCall = await rig.waitForToolCall('list_directory');
+
+  // Add debugging information
+  if (
+    !foundToolCall ||
+    !result.includes('file1.txt') ||
+    !result.includes('subdir')
+  ) {
+    const allTools = printDebugInfo(rig, result, {
+      'Found tool call': foundToolCall,
+      'Contains file1.txt': result.includes('file1.txt'),
+      'Contains subdir': result.includes('subdir'),
+    });
+
+    console.error(
+      'List directory calls:',
+      allTools
+        .filter((t) => t.toolRequest.name === 'list_directory')
+        .map((t) => t.toolRequest.args),
+    );
+  }
+
+  assert.ok(foundToolCall, 'Expected to find a list_directory tool call');
+
+  // Validate model output - will throw if no output, warn if missing expected content
+  validateModelOutput(result, ['file1.txt', 'subdir'], 'List directory test');
+});