Run Selenium tests in multiple browsers one after another from C# NUnit

Question

I\'m looking for the recommended/nicest way to make Selenium tests execute in several browsers one after another. The website I\'m testing isn\'t big, so I don\'t need a par

Answer 1

I use a list of IWeb driver to perform tests on all browsers, line by line:

[ClassInitialize]
        public static void ClassInitialize(TestContext context) {
            drivers = new List();
            firefoxDriver = new FirefoxDriver();
            chromeDriver = new ChromeDriver(path);
            ieDriver = new InternetExplorerDriver(path);
            drivers.Add(firefoxDriver);
            drivers.Add(chromeDriver);
            drivers.Add(ieDriver);
            baseURL = "http://localhost:4444/";
        }

    [ClassCleanup]
    public static void ClassCleanup() {
        drivers.ForEach(x => x.Quit());
    }

..and then am able to write tests like this:

[TestMethod]
        public void LinkClick() {
            WaitForElementByLinkText("Link");
            drivers.ForEach(x => x.FindElement(By.LinkText("Link")).Click());
            AssertIsAllTrue(x => x.PageSource.Contains("test link")); 
        }

..where I am writing my own methods WaitForElementByLinkText and AssertIsAllTrue to perform the operation for each driver, and where anything fails, to output a message helping me to identify which browser(s) may have failed:

 public void WaitForElementByLinkText(string linkText) {
            List failedBrowsers = new List();
            foreach (IWebDriver driver in drivers) {
                try {
                    WebDriverWait wait = new WebDriverWait(clock, driver, TimeSpan.FromSeconds(5), TimeSpan.FromMilliseconds(250));
                    wait.Until((d) => { return d.FindElement(By.LinkText(linkText)).Displayed; });
                } catch (TimeoutException) {
                    failedBrowsers.Add(driver.GetType().Name + " Link text: " + linkText);
                }
            }
            Assert.IsTrue(failedBrowsers.Count == 0, "Failed browsers: " + string.Join(", ", failedBrowsers));
        }

The IEDriver is painfully slow but this will have 3 of the main browsers running tests 'side by side'