selenium test

convert_sqaure_to_circle

const { Builder, By, until } = require('selenium-webdriver');
const driver = new Builder()
  .forBrowser('chrome')
  .build();

const waitForTitle = () => {
  return driver.getTitle().then((title) => title.includes('JSFiddle'));
}

const runTests = () => {
  return new Promise(async (onDone, onError) => {
    const totalNumberOfTests = 2;
    let testsPassed = 0;

    try {
      driver.switchTo().frame(driver.findElement(By.tagName('iframe')));
      var square = driver.findElement(By.id('square'));
      var button = driver.findElement(By.id('button'));

      const borderRadius = await square.getCssValue('border-radius');
      const backgroundColor = await square.getCssValue('background-color');

      button.click();

      const newBorderRadius = await square.getCssValue('border-radius');
      const newBackgroundColor = await square.getCssValue('background-color');

      if (borderRadius !== newBorderRadius && parseInt(newBorderRadius) > 45) { return testsPassed++; }
      if (backgroundColor !== newBackgroundColor) { return testsPassed++; }

      onDone(testsPassed, totalNumberOfTests);

      return driver.wait(waitForTitle, 1500);
    }
    catch(e) {
      onError(e);
    }
  })
}