testdrive-jsui/js/tests/jest.setup.js

/**
 * Jest Setup File for JavaScript UI Tests
 *
 * Sets up environment and global utilities for testing.
 * Jest with jsdom environment already provides DOM globals.
 */

// Add TextEncoder/TextDecoder polyfills for Node.js compatibility
const { TextEncoder, TextDecoder } = require('util');
global.TextEncoder = TextEncoder;
global.TextDecoder = TextDecoder;

// Mock console methods to reduce noise in tests
const originalLog = console.log;
console.log = (...args) => {
    // Only log if DEBUG_TESTS environment variable is set
    if (process.env.DEBUG_TESTS) {
        originalLog(...args);
    }
};

// Setup DOM fixtures after page load
beforeEach(() => {
    // Reset document body for each test
    document.body.innerHTML = '<div id="content"></div>';
});