AbstractSeleniumTest.java

public abstract class AbstractSeleniumTest {
 
    // configurable base URL
    private final String baseUrl = System.getProperty("selenium.baseUrl",
                                                      "http://localhost:8080/contextRoot/");
 
    private final WebDriver driver;
 
    public AbstractSeleniumTest() {
        // create desired WebDriver
        driver = new ChromeDriver();
 
        // you can also set here desired capabilities and so on
        ...
    }
 
    /**
     * The single entry point to prepare and run test flow.
     */
    @Test
    public void testIt() throws Exception {
        LoadablePage lastPageInFlow = null;
        List <Method> methods = new ArrayList<>();
 
        // Seach methods annotated with FlowOnPage in this and all super classes
        Class c = this.getClass();
        while (c != null) {
            for (Method method: c.getDeclaredMethods()) {
                if (method.isAnnotationPresent(FlowOnPage.class)) {
                    FlowOnPage flowOnPage = method.getAnnotation(FlowOnPage.class);
                    // add the method at the right position
                    methods.add(flowOnPage.step() - 1, method);
                }
            }
 
            c = c.getSuperclass();
        }
 
        for (Method m: methods) {
            Class<?>[] pTypes = m.getParameterTypes();
 
            LoadablePage loadablePage = null;
            if (pTypes != null && pTypes.length > 0) {
                loadablePage = (LoadablePage) pTypes[0].newInstance();
            }
 
            if (loadablePage == null) {
                throw new IllegalArgumentException(
                 "No Page Object as parameter has been found for the method " +
                  m.getName() + ", in the class " + this.getClass().getName());
            }
 
            // initialize Page Objects Page-Objekte and set parent-child relationship
            loadablePage.init(this, m, lastPageInFlow);
            lastPageInFlow = loadablePage;
        }
 
        if (lastPageInFlow == null) {
            throw new IllegalStateException("Page Object to start the test was not found");
        }
 
        // start test
        lastPageInFlow.get();
    }
 
    /**
     * Executes the test flow logic on a given page.
     *
     * @throws AssertionError can be thrown by JUnit assertions
     */
    public void executeFlowOnPage(LoadablePage page) {
        Method m = page.getMethod();
        if (m != null) {
            // execute the method annotated with FlowOnPage
            try {
                m.setAccessible(true);
                m.invoke(this, page);
            } catch (Exception e) {
                throw new AssertionError("Method invocation " + m.getName() +
                    ", in the class " + page.getClass().getName() + ", failed", e);
            }
        }
    }
 
    @After
    public void tearDown() {
        // close browser
        driver.quit();
    }
 
    /**
     * This method is invoked by LoadablePage.
     */
    public String getUrlToGo(String path) {
        return baseUrl + path;
    }
 
    public WebDriver getDriver() {
        return driver;
    }
}