algomin/src/Algomin.test.js

Algomin - Viszualizing Distributed Algorithms

import {Algomin} from "./Algomin";
import {Model} from "./model/Model";

const root_div = document.createElement('div');
let algomin = new Algomin(root_div);

beforeEach(() => {
    algomin.reset();
});

test('1: Check if parsed wait duration equals algorithm duration correctly', () => {
    algomin.parseExpression("wait(duration=1000)");
    expect(Model.algorithm_duration).toBe(1000);
});

test('2: Check if Node gets created', () => {
    algomin.parseExpression("Node1 = shape(x=43, y=10, w=100, h=100, label='Node1')");
    const node = Model.shape.get("Node1");
    expect(node.label).toBe("Node1");
});

test('3: Check if Message gets created', () => {
    algomin.parseExpression("" +
        "Node1 = shape(x=43, y=10, w=100, h=100, label='Node1')\n" +
        "Node2 = shape(x=75, y=30, w=100, h=100, label='Node2')\n" +
        "Node1.sendMessage(target=Node2, message='2', speed=3000)\n" +
        "wait(duration=3000)\n");

    const node1 = Model.shape.get("Node1");
    const node2 = Model.shape.get("Node2");
    const message = Model.message.messages[0];

    expect(node1.label).toBe("Node1");
    expect(node2.label).toBe("Node2");
    expect(message.label).toBe("2");
    expect(Model.algorithm_duration).toBe(3000);
});

test('4: Check if Node gets killed', () => {
    algomin.parseExpression("" +
        "Node1 = shape(x=43, y=10, w=100, h=100, label='Node1')\n" +
        "Node2 = shape(x=75, y=30, w=100, h=100, label='Node2')\n" +
        "Node1.sendMessage(target=Node2, message='2', speed=3000)\n" +
        "wait(duration=3000)\n" +
        "Node1.kill()");

    const node1 = Model.shape.get("Node1");

    expect(node1.deathTime).toBe(3000);
});

test('5: Check Stop functionality', () => {
    algomin.parseExpression("" +
        "Node1 = shape(x=43, y=10, w=100, h=100, label='Node1')\n" +
        "Node2 = shape(x=75, y=30, w=100, h=100, label='Node2')\n" +
        "Node1.sendMessage(target=Node2, message='2', speed=3000)\n" +
        "wait(duration=3000)\n");
    algomin.start()

    algomin.controller.handlePlayButtonClick()

    expect(algomin.model.running).toBe(false);
});

test('6: Check Play functionality', () => {
    algomin.parseExpression("" +
        "Node1 = shape(x=43, y=10, w=100, h=100, label='Node1')\n" +
        "Node2 = shape(x=75, y=30, w=100, h=100, label='Node2')\n" +
        "Node1.sendMessage(target=Node2, message='2', speed=3000)\n" +
        "wait(duration=3000)\n");
    algomin.start()

    algomin.controller.handlePlayButtonClick()
    algomin.controller.handlePlayButtonClick()

    expect(algomin.model.running).toBe(true);
});

test('7: Check Slider functionality', () => {
    algomin.parseExpression("" +
        "Node1 = shape(x=43, y=10, w=100, h=100, label='Node1')\n" +
        "Node2 = shape(x=75, y=30, w=100, h=100, label='Node2')\n" +
        "Node1.sendMessage(target=Node2, message='2', speed=3000)\n" +
        "wait(duration=3000)\n");
    algomin.start()

    algomin.controller.handleSliderInput(1200)

    expect(algomin.model.running).toBe(false);
    expect(Model.time).toBe(1200);
});

test('8: Check Message visibility on', () => {
    algomin.parseExpression("" +
        "Node1 = shape(x=43, y=10, w=100, h=100, label='Node1')\n" +
        "Node2 = shape(x=75, y=30, w=100, h=100, label='Node2')\n" +
        "Node1.sendMessage(target=Node2, message='2', speed=3000)\n" +
        "wait(duration=3000)\n");
    algomin.start()

    algomin.controller.handleSliderInput(1200)

    const message = Model.message.messages[0];

    expect(algomin.model.running).toBe(false);
    expect(Model.time).toBe(1200);
    expect(message.isVisible()).toBe(true);
});

test('9: Check Message visibility off', () => {
    algomin.parseExpression("" +
        "Node1 = shape(x=43, y=10, w=100, h=100, label='Node1')\n" +
        "Node2 = shape(x=75, y=30, w=100, h=100, label='Node2')\n" +
        "Node1.sendMessage(target=Node2, message='2', speed=3000)\n" +
        "wait(duration=5000)\n");
    algomin.start()

    algomin.controller.handleSliderInput(4200)

    const message = Model.message.messages[0];

    expect(algomin.model.running).toBe(false);
    expect(Model.time).toBe(4200);
    expect(message.isVisible()).toBe(false);
});

test('10: Check View Control and Canvas', () => {
    algomin.parseExpression("" +
        "Node1 = shape(x=43, y=10, w=100, h=100, label='Node1')\n" +
        "Node2 = shape(x=75, y=30, w=100, h=100, label='Node2')\n" +
        "Node1.sendMessage(target=Node2, message='2', speed=3000)\n" +
        "wait(duration=5000)\n");
    algomin.start()

    expect(typeof algomin.view.slider).toBe("object");
    expect(typeof algomin.view.time_text).toBe("object");
    expect(typeof algomin.view.play_button).toBe("object");
    expect(typeof algomin.view.canvas).toBe("object");
});

test('11: Test Play Button click', () => {
    algomin.parseExpression("" +
        "Node1 = shape(x=43, y=10, w=100, h=100, label='Node1')\n" +
        "Node2 = shape(x=75, y=30, w=100, h=100, label='Node2')\n" +
        "Node1.sendMessage(target=Node2, message='2', speed=3000)\n" +
        "wait(duration=5000)\n");
    algomin.start()
    algomin.view.play_button.click()

    expect(algomin.model.running).toBe(false);

    algomin.view.play_button.click()

    expect(algomin.model.running).toBe(true);
});

test('12: Test Message visibility in movement', () => {
    algomin.parseExpression("" +
        "wait(duration=2000)\n" +
        "Node1 = shape(x=43, y=10, w=100, h=100, label='Node1')\n" +
        "Node2 = shape(x=75, y=30, w=100, h=100, label='Node2')\n" +
        "Node1.sendMessage(target=Node2, message='2', speed=3000)\n" +
        "wait(duration=5000)\n");
    algomin.start();
    algomin.model.stop();

    const message = Model.message.messages[0];

    algomin.controller.setGlobalTime(1000);

    expect(message.isVisible()).toBe(false);

    algomin.controller.setGlobalTime(3000);

    expect(message.isVisible()).toBe(true);

    algomin.controller.setGlobalTime(6000);

    expect(algomin.model.running).toBe(false);
});