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/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { describe, it, expect, vi } from 'vitest';
import {
TestRig,
createToolCallErrorMessage,
printDebugInfo,
validateModelOutput,
} from './test-helper.js';
describe('write_file', () => {
it('should be able to write a file', async () => {
const rig = new TestRig();
await rig.setup('should be able to write a file');
const prompt = `show me an example of using the write tool. put a dad joke in dad.txt`;
const result = await rig.run(prompt);
const foundToolCall = await rig.waitForToolCall('write_file');
// Add debugging information
if (!foundToolCall) {
printDebugInfo(rig, result);
}
const allTools = rig.readToolLogs();
expect(foundToolCall, 'Expected to find a write_file tool call').toBeTruthy(
createToolCallErrorMessage(
'write_file',
allTools.map((t) => t.toolRequest.name),
result,
),
);
// Validate model output - will throw if no output, warn if missing expected content
validateModelOutput(result, 'dad.txt', 'Write file test');
const newFilePath = 'dad.txt';
const newFileContent = rig.readFile(newFilePath);
// Add debugging for file content
if (newFileContent === '') {
console.error('File was created but is empty');
console.error(
'Tool calls:',
rig.readToolLogs().map((t) => ({
name: t.toolRequest.name,
args: t.toolRequest.args,
})),
);
}
expect(newFileContent).not.toBe('');
// Log success info if verbose
vi.stubEnv('VERBOSE', 'true');
if (process.env['VERBOSE'] === 'true') {
console.log(
'File created successfully with content:',
newFileContent.substring(0, 100) + '...',
);
}
});
});
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