CODEWITHSUNDEEP
javaseleniumwebdrivertestng
Andrio
Andrio

Reputation: 2078

How to get @Test methods from the test classes, when running TestNG programmatically

I'm creating an application to programmatically execute our java webdriver selenium scripts. We use TestNG.

I'm able to launch the classes with a virtual XML file. This works:

    XmlSuite suite = new XmlSuite();
    suite.setName("TmpSuite");

    XmlTest test = new XmlTest(suite);
    test.setName("TmpTest");
    List<XmlClass> classes = new ArrayList<XmlClass>();

    Map<String, String> parameters = new HashMap<String, String>(); 
    parameters.put("browser", "Firefox"); 
    suite.setParameters(parameters);

    classes.add(new XmlClass("package.classname"));
    test.setXmlClasses(classes) ;

    List<XmlSuite> suites = new ArrayList<XmlSuite>();
    suites.add(suite);
    TestNG tng = new TestNG();
    tng.setXmlSuites(suites);
    tng.run();

Since the above method uses the package.classname to execute the class, I need a way to get all our classes; both their package and their class name (We have hundreds of packages).

I use this code to grab all the package.classnames. In simply scans the /bin/ directory of the project, converting the folder structure into package names and removes the .class extension from the class file. This works, too:

    //scans the /bin directory of project to grab all packages/classes

    String binPath = "V:\\Selenium\\Scripts\\bin\\";
    File dir = new File(binPath);

    List<File> files = (List<File>) FileUtils.listFiles(dir, TrueFileFilter.INSTANCE, TrueFileFilter.INSTANCE);

    List<String> classNames = new ArrayList<String>(300);

    for (File f : files) {
        //instead of "V:\Selenium\Scripts\bin\package\classname.class"
        //I just end up with "package.classname"
        classNames.add(extractClassNameFromPath(f.getPath()));
    }

So at this point, I'm able to get a String list of all my class names, and I can put any of them into the classes.add(new XmlClass("package.classname")); line, allowing me run any of our test classes programmatically. Great!

With all that said, here is the problem I'm facing now: The classes have different @Test methods. By launching just the class, all of the @Test methods will be executed. I want to be able to extract the available @Test methods in that class and present them to the user so they can choose which ones they want.

I have no idea how to extract the @Test methods from our test classes.

Upvotes: 1

Views: 3326

Answers (1)

juherr
juherr

Reputation: 5740

You can use reflections library and its MethodAnnotationsScanner:

Reflections reflections = new Reflections("my.package");
Set<Method> resources =
    reflections.getMethodsAnnotatedWith(org.testng.Test.class);

Upvotes: 4

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