/*
* Copyright contributors to the IBM ADS/Decision Intelligence MCP Server project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { setDebug, debug, isDebug } from '../src/debug.js';
describe('Debug module', () => {
const originalConsoleError = console.error;
beforeEach(() => {
console.error = jest.fn();
});
afterEach(() => {
console.error = originalConsoleError;
});
test('debug is disabled by default', () => {
expect(isDebug()).toBe(false);
});
test('setDebug enables debugging', () => {
setDebug(true);
expect(isDebug()).toBe(true);
setDebug(false);
expect(isDebug()).toBe(false);
});
test('debug does not log when debugging is disabled', () => {
setDebug(false);
debug('test message');
expect(console.error).not.toHaveBeenCalled();
});
test('debug logs when debugging is enabled', () => {
setDebug(true);
debug('test message');
expect(console.error).toHaveBeenCalledWith('test message');
});
test('debug can handle multiple arguments', () => {
setDebug(true);
const obj = { key: 'value' };
debug('test message', obj, 'another message');
expect(console.error).toHaveBeenCalledWith('test message', obj, 'another message');
});
});
