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  • NUnit vs. MsTest: NUnit wins for Unit Testing.

    People are still wondering what are the differences between the two most popular unit testing frameworks in the .NET world: the open source NUnit and the commercial MsTest). Heres a short list of what i remember instantly: Nunit contains a [TestCase] attribute that allows implementing parametrized tests. this does not exist in msTest MsTest's ExpectedException attribute has a bug where the expected message is never really asserted even if it's wrong - the test will pass. Nunit has an...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • How to know if your Unit Test Fixture is “right-sized”?

    - by leeand00
    How do you know if you "Test Fixture" is right-sized. And by "Test Fixture" I mean a class with a bunch of tests in it. One thing that I've always noticed with my test fixtures is that they get to be kind of verbose; seeing as they could also be not verbose enough, how do you get a sense of when your unit tests are the right size? My assumption is that (at least in the context of web development) you should have one test fixture class per page. I know of a good quote for this and it's: "Perfection is achieved, not when there is nothing left to add, but when there is nothing left to remove." - Antoine de Saint-Exupery.

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  • How to deal with the test data in Junit?

    - by user351637
    In TDD(Test Driven Development) development process, how to deal with the test data? Assumption that a scenario, parse a log file to get the needed column. For a strong test, How do I prepare the test data? And is it properly for me locate such files to the test class files?

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  • how to interpret testng console log message for passing tests?

    - by Kunal Cholera
    I ran testng tests for my test classes, I get the following three types of log output when I run the passing tests. I am using org.testng.AssertJUnit.assertTrue() methods in my tests. [testng] PASSED: testMethod1 on null(test.foo.bar.Class1) [testng] PASSED: testMethod2 on Default test name(test.foo.bar.jar.Class2) [testng] PASSED: testMethod3 Can any one please tell me why for some tests it says "on null" for some it says "on Default test name ... " and for some it does not say anything on the console output. Specifically I want to make it consistent message. Environment : linux Testng framework : 6.3.2beta please advise. thanks.

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  • Issues with installing PHPUnit

    - by user1045696
    So I've installed PHP Unit via PEAR (all the files are there, I've checked). However, when I try to run a test I get: Warning: require_once(PHPUnit/Framework.php) [function.require-once]: failed to open stream: No such file or directory in C:\WAMP\www\ExampleTests\arraytest.php on line 2 I'm guessing this has something to do with my PHPUnit installation not updating the include_path properly, but I'm not too sure what to update it to? I'm on Windows (7), using WAMP. Cheers! EDIT: The bottom of PHP.ini contains: ;***** Added by go-pear include_path=".;C:\WAMP\bin\php\php5.3.10\pear" ;***** I also get the error: Fatal error: require_once() [function.require]: Failed opening required 'PHPUnit/Framework.php' (include_path='.;C:\php\pear') However, after looking in PHP.ini, there's no include path that points to C:\php\pear?

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  • why assert_equal() in Ruby on Rails sometimes seem to compare by Identity and sometimes by value?

    - by Jian Lin
    it was very weird that yesterday, I was do an integration test in Rails and assert_equal array_of_obj1, array_of_obj2 # obj1 from db, obj2 created in test and it failed. The values shown inside the array and objects were identical. If I change the test to assert array_of_obj1 == array_of_obj2 Then it will pass. But today, the first test actually passed. What reason could it be? Is assert_equal always using == or .equal? in Rails 2.2 or 2.3.5?

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  • How do I get the name of the test method that was run in a testng tear down method?

    - by Zachary Spencer
    Basically I have a tear down method that I want to log to the console which test was just run. How would I go about getting that string? I can get the class name, but I want the actual method that was just executed. Class testSomething() { @AfterMethod public void tearDown() { system.out.println('The test that just ran was....' + getTestThatJustRanMethodName()'); } @Test public void testCase() { assertTrue(1==1); } } should output to the screen: "The test that just ran was.... testCase" However I don't know the magic that getTestThatJustRanMethodName should actually be.

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  • Are there any test data generator tools which can be used with selenium/Nunit?

    - by Jon
    Hi, I was wondering if there was anything that provides test data for injecting into Nunit tests? I'm sure I came across something recently that does this but I couldn't find it again. Basically the idea is that I could use selenium and Nunit to create new customers within the system automatically. So I could have selenium type in customer names generated from test generator (the < DataGenerator is just an imaginary class): e.g. dim sFirstName as string = < DataGenerator >.GetRandomFirstName() dim sLastName as string = < DataGenerator >.GetRandomLastName() selenium.type("firstname_field",sFirstName) selenium.type("lastname_field",sLastName ) I've already seen SQLDataGenerator from Redgate which has a cmd line wrapper class, but I was wondering if there was anything else.

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  • [C++] Boost test: catch user defined exceptions

    - by user231536
    If I have user defined exceptions in my code, I can't get Boost test to consider them as failures. For example, BOOST_AUTO_TEST_CASE_EXPECTED_FAILURES(MyTest,1) BOOST_AUTO_TEST_CASE(MyTest) { // code which throws user defined exception, not derived from std::exception. } I get a generic message: Caught exception: .... unknown location(0):.... It does not recognize this error as a failure since it is not a std::exception. So it does not honor the expected_failures clause. How do I enforce that the piece of code should always throw an exception? THis seems to be a useful thing to want. In case future code changes cause the code to pass and the exception is not thrown, I want to know that.

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  • How to write unit tests for an object having multiple properties

    - by jess
    Hi, I have various objects in application,and each has isvalid method to test if values of all properties are set correctly(as per business rules).Now,to test that for each violation isvalid throws false,i will have to write as many tests as rules being checked in isvalid.Is there a simpler way to do this? I am using MBunit.

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  • DomDocument::loadHTML() error during phpunit test execution

    - by ranhan
    I am currently trying to write some unit test against my zend framework controller. When I run the following code I receive this error: public function testListActionShouldContainListTable() { $this->loginToSystem(); $uri = $this->_uriBase . 'campaign/list'; $_SERVER["REQUEST_URI"] = $uri; $this->dispatch('/campaign/list'); $this->assertController('campaign'); $this->assertAction('list'); $this->assertQueryCount('#list',1); } CampaignControllerTests::testListActionShouldContainListTable DOMDocument::loadHTML(): ID alrt already defined in Entity, line: 36 This occurs using any of the assertQuery and assertQueryContains methods. I have searched around but am not really finding a good answer to why it won't allow me to find this html node or how to get around this error. Thanks in advance for any help!

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  • Build model with nested model in rspec integration test

    - by user1116573
    I understand that I can do something like in rspec: let(:project) { Project.new } but in my app a project accepts_nested_attributes_for tasks and when I generate the Project form I build a task along with it using: @project = Project.new @project.tasks.build I need something like: let(:project) { Project.new.tasks.build } but that doesn't seem to work. How can I do this as a let in my rspec test?

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  • TDD, Unit Test and architectural changes

    - by Leandro
    I'm writing an RPC middleware in C++. I have a class named RPCClientProxy that contains a socket client inside: class RPCClientProxy { ... private: Socket* pSocket; ... } The constructor: RPCClientProxy::RPCClientProxy(host, port) { pSocket = new Socket(host, port); } As you can see, I don't need to tell the user that I have a socket inside. Although, to make unit tests for my proxies it would be necessary to create mocks for sockets and pass them to the proxies, and to do so I must use a setter or pass a factory to the sockets in the proxies's constructors. My question: According to TDD, is it acceptable to do it ONLY because the tests? As you can see, these changes would change the way the library is used by a programmer.

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  • How to mock static member variables

    - by pkrish
    I have a class ClassToTest which has a dependency on ClassToMock. public class ClassToMock { private static final String MEMBER_1 = FileReader.readMemeber1(); protected void someMethod() { ... } } The unit test case for ClassToTest. public class ClassToTestTest { private ClassToMock _mock; @Before public void setUp() throws Exception { _mock = mock(ClassToMock.class) } } When mock is called in the setUp() method, FileReader.readMemeber1(); is executed. Is there a way to avoid this? I think one way is to initialize the MEMBER_1 inside a method. Any other alternatives? Thanks!

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  • How can I display more info in an error message when using NUnit Assert in a loop?

    - by Ian
    Consider the following code: [Test] public void WidgetTest() { foreach (Widget widget in widgets) { Assert.AreEqual(0, widget.SomeValue); } } If one of the asserts fails, I will get a very unhelpful error message like the one below: 1) Test Failure : WidgetTest.TestSomeValue Expected: 0 But was: 1 at WidgetTest.TestSomeValue() So, the question is, how can I get NUnit to display more useful info, such as the name of the widget, or the iteration of the loop, etc? Even a line number would be more helpful, since this is run in automated manner and I'd like to be able to spot the failing assert without debugging into the code.

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  • rake test fails

    - by Pavel K.
    i have a model (simplified) class Myfile < ActiveRecord::Base validates_attachment_size :body, :less_than => AdminOptions.first.max_file_size.megabytes end max_file_size is defined in AdminOptions fixture, but when i try to run "rake test", i get: /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/whiny_nil.rb:52:in `method_missing': undefined method `max_file_size' for nil:NilClass (NoMethodError) from /myapp/app/models/myfile.rb:1 if i run ruby test/unit/myfile_test.rb i get same mistake. if i run: RAILS_ENV=test rake db:load:fixtures ruby test/unit/myfile_test.rb tests execute properly. if i try to RAILS_ENV=test rake db:load:fixtures rake test it fails with same mistake. does anyone know how to fix that?

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  • Creating a System.Windows.Controls.Image throws an exception - how do I use the dispatcher to instan

    - by Scott Whitlock
    I'm running my unit tests on a piece of code that does the following in the test: Assert.IsNotNull(target.Icon); Inside the getter for the Icon property, I'm doing this: System.Windows.Controls.Image img = new System.Windows.Controls.Image(); That's throwing this exception: System.InvalidOperationException : The calling thread must be STA, because many UI components require this. I understand what that means, and I understand that I need to use the Dispatcher, but I'm a bit confused about how or why... this is a property of my ViewModel and I don't get any of these exceptions when running the application. Other info: this only started failing when I upgraded to .NET 4.

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  • Simple Java AMPQ server

    - by splix
    Are there exists an simple AMPQ server/broker implementation written in Java? I need it only for local integration tests, starting it from ant/maven, and i don't need any features like a clustering, persistence, performance and so on. Just a fake RabbitMQ-like instance, without installation (just as a dependency at maven pom) and configuration.

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  • Stop MSVC++ debug errors from blocking the current process?

    - by Mike Arthur
    Any failed ASSERT statements on Windows cause the below debug message to appear and freeze the applications execution. I realise this is expected behaviour but it is running periodically on a headless machine so prevent the unit tests from failing, instead waiting on user input indefinitely. Is there s a registry key or compiler flag I can use to prevent this message box from requesting user input whilst still allowing the test to fail under ASSERT? Basically, I want to do this without modifying any code, just changing compiler or Windows options. Thanks!

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