SinusFox
105 lines
3.7 KiB
JavaScript
105 lines
3.7 KiB
JavaScript
import { render, fireEvent, screen } from '@testing-library/react';
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import {
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customLog,
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customLogClear,
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getTranslation,
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isInputValidRegex,
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isInputFilled,
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downloadLPFormatting,
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downloadLP,
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calculate_click
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} from '../src/app/scripts';
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import Home from '../src/app/page'
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import text from '../src/app/lang';
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// Mocking GLPKAPI and console log
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jest.mock('../src/solver/glpk.min.js', () => ({
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LPF_ECOND: 2,
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}));
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// Mocking console.log
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const consoleLogMock = jest.spyOn(console, 'log').mockImplementation(() => {});
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beforeEach(() => {
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document.body.innerHTML = `
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<div>
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<select id="language_current">
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<option value="eng">English</option>
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</select>
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<textarea id="objective"></textarea>
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<textarea id="subject"></textarea>
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<textarea id="bounds"></textarea>
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<textarea id="vars"></textarea>
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<select id="maxminswitch">
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<option value="maximize">Maximize</option>
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<option value="minimize">Minimize</option>
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</select>
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<div id="out"></div>
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</div>
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`;
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jest.clearAllMocks(); // Clear any previous mocks
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});
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test('customLog should append message to output box', () => {
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const message = 'Test message';
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customLog(message);
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const outputElement = document.getElementById('out');
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expect(outputElement.innerHTML).toContain(message);
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});
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test('customLogClear should clear the output box', () => {
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const message = 'Test message';
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customLog(message);
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customLogClear();
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const outputElement = document.getElementById('out');
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expect(outputElement.innerHTML).toBe('');
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});
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test('getTranslation should return translation based on selected language', () => {
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const result = getTranslation('header_title');
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expect(result).toBe(text('eng', 'header_title')); // Assuming text function provides correct translation
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});
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test('isInputValidRegex should validate input regex correctly', () => {
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expect(isInputValidRegex("x + y", "+1 x + 2 y <= 15\n+3 x + 1 y <= 20", "x >= 0\ny >= 0", "x\ny")).toBe(true);
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expect(isInputValidRegex("x + y", "+1 x + 2 y <= 15\n+3 x + 1 y <= 20", "x >= 0\ny >= 0", "")).toBe(false); // Invalid objective
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});
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test('isInputFilled should check for filled inputs', () => {
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expect(isInputFilled('3x + 5y', 'x + y <= 10', 'x <= 5', 'x\ny')).toBe(true);
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expect(isInputFilled('', 'x + y <= 10', 'x <= 5', 'x\ny')).toBe(false); // Objective empty
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});
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test('downloadLPFormatting should format LP correctly', () => {
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const formattedLP = downloadLPFormatting('3x + 5y', 'x + y <= 10', 'x <= 5');
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expect(formattedLP).toContain('obj: 3x + 5y');
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expect(formattedLP).toContain('Subject To');
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expect(formattedLP).toContain('Bounds');
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});
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test('calculate_click should display "Calculating" in the output box', () => {
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render(<Home />);
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// Spy on customLog and customLogClear to prevent actual logging and check the calls
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const mockClear = jest.spyOn({ customLogClear }, 'customLogClear').mockImplementation();
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const mockLog = jest.spyOn({ customLog }, 'customLog').mockImplementation();
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// Set valid inputs
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document.getElementById('objective').value = '3x + 5y';
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document.getElementById('subject').value = 'x + y <= 10';
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document.getElementById('bounds').value = 'x <= 5';
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document.getElementById('vars').value = 'x\ny';
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// Simuliere den Button-Klick, der die Berechnung startet
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fireEvent.click(screen.getByText('Calculate'));
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// Check the contents of out box
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const outputElement = document.getElementById('out');
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expect(outputElement.innerHTML).toContain('Calculating');
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// Clear mock
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mockClear.mockRestore();
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mockLog.mockRestore();
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});
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