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  • JUnit : Is there a way to skip a test belonging to a Test class's parent?

    - by Jon
    I have two classes: public abstract class AbstractFoobar { ... } and public class ConcreteFoobar extends AbstractFoobar { ... } I have corresponding test classes for these two classes: public class AbstractFoobarTest { ... } and public class ConcreteFoobarTest extends AbstractFoobarTest { ... } When I run ConcreteFoobarTest (in JUnit), the annotated @Test methods in AbstractFoobarTest get run along with those declared directly on ConcreteFoobarTest because they are inherited. Is there anyway to skip them?

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  • Java test framework for Selenium RC

    - by sebstein.hpfsc.de
    I'm going to use Selenium RC to replay some tests for a website. I want to kickoff those tests from a Java test framework so that I get nice reports how many tests failed, etc. Which java test framework should I use? Is JUnit the preferred framework for this purpose?

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  • How to test chrome extensions?

    - by swampsjohn
    Is there a good way to do this? I'm writing an extension that interacts with a website as a content script and saves data using localstorage. Are there any tools, frameworks, etc. that I can use to test this behavior? I realize there are some generic tools for testing javascript, but are those sufficiently power to test an extension? Unit testing is most important, but I'm also interested in other types of testing (such as integration testing).

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  • how to test rails js and ajax without a browser

    - by user1679052
    when i use rspec with capybara to test my rails js page , I got the following error: "Selenium::WebDriver::Error::WebDriverError: Could not find Firefox binary (os=linux). " Actually my rails script are all written on the linux server, where there is on brower installed, and any desktop software is not supported on the server (since no X11 is installed). How can I test js in this situation. Or is there and brower that works without X11 installed like wget? Thanks.

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  • Does Test Driven Development (TDD) improve Quality and Correctness? (Part 1)

    - by David V. Corbin
    Since the dawn of the computer age, various methodologies have been introduced to improve quality and reduce cost. In this posting, I will by sharing my experiences with Test Driven Development; both its benefits and limitations. To start this topic, we need to agree on what TDD is. The first is to define each of the three words as used in this context. Test - An item or action which measures something in some quantifiable form. Driven - The primary motivation or focus of a series of activities (process) Development - All phases of a software project/product from concept through delivery. The above are very simple definitions that result in the following: "TDD is a process where the primary focus is on measuring and quantifying all aspects of the creation of a (software) product." There are many places where TDD is used outside of software development, even though it is not known by this name. Consider the (conventional) education process that most of us grew up on. The focus was to get the best grades as measured by different tests. Many of these tests measured rote memorization and not understanding of the subject matter. The result of this that many people graduated with high scores but without "quality and correctness" in their ability to utilize the subject matter (of course, the flip side is true where certain people DID understand the material but were not very good at taking this type of test). Returning to software development, let us look at some common scenarios. While these items are generally applicable regardless of platform, language and tools; the remainder of this post will utilize Microsoft Visual Studio and Team Foundation Server (TFS) for examples. It should be realized that everyone does at least some aspect of TDD. At the most rudimentary level, getting a program to compile involves a "pass/fail" measurement (is the syntax valid) that drives their ability to proceed further (run the program). Other developers may create "Unit Tests" in the belief that having a test for every method/property of a class and good code coverage is the goal of TDD. These items may be helpful and even important, but really only address a small aspect of the overall effort. To see TDD in a bigger view, lets identify the various activities that are part of the Software Development LifeCycle. These are going to be presented in a Waterfall style for simplicity, but each item also occurs within Iterative methodologies such as Agile/Scrum. the key ones here are: Requirements Gathering Architecture Design Implementation Quality Assurance Can each of these items be subjected to a process which establishes metrics (quantified metrics) that reflect both the quality and correctness of each item? It should be clear that conventional Unit Tests do not apply to all of these items; at best they can verify that a local aspect (e.g. a Class/Method) of implementation matches the (test writers perspective of) the appropriate design document. So what can we do? For each of area, the goal is to create tests that are quantifiable and durable. The ability to quantify the measurements (beyond a simple pass/fail) is critical to tracking progress(eventually measuring the level of success that has been achieved) and for providing clear information on what items need to be addressed (along with the appropriate time to address them - in varying levels of detail) . Durability is important so that the test can be reapplied (ideally in an automated fashion) over the entire cycle. Returning for a moment back to our "education example", one must also be careful of how the tests are organized and how the measurements are taken. If a test is in a multiple choice format, there is a significant statistical probability that a correct answer might be the result of a random guess. Also, in many situations, having the student simply provide a final answer can obscure many important elements. For example, on a math test, having the student simply provide a numeric answer (rather than showing the methodology) may result in a complete mismatch between the process and the result. It is hard to determine which is worse: The student who makes a simple arithmetric error at one step of a long process (resulting in a wrong answer) or The student who (without providing the "workflow") uses a completely invalid approach, yet still comes up with the right number. The "Wrong Process"/"Right Answer" is probably the single biggest problem in software development. Even very simple items can suffer from this. As an example consider the following code for a "straight line" calculation....Is it correct? (for Integral Points)         int Solve(int m, int b, int x) { return m * x + b; }   Most people would respond "Yes". But let's take the question one step further... Is it correct for all possible values of m,b,x??? (no fair if you cheated by being focused on the bolded text!)  Without additional information regarding constrains on "the possible values of m,b,x" the answer must be NO, there is the risk of overflow/wraparound that will produce an incorrect result! To properly answer this question (i.e. Test the Code), one MUST be able to backtrack from the implementation through the design, and architecture all the way back to the requirements. And the requirement itself must be tested against the stakeholder(s). It is only when the bounding conditions are defined that it is possible to determine if the code is "Correct" and has "Quality". Yet, how many of us (myself included) have written such code without even thinking about it. In many canses we (think we) "know" what the bounds are, and that the code will be correct. As we all know, requirements change, "code reuse" causes implementations to be applied to different scenarios, etc. This leads directly to the types of system failures that plague so many projects. This approach to TDD is much more holistic than ones which start by focusing on the details. The fundamental concepts still apply: Each item should be tested. The test should be defined/implemented before (or concurrent with) the definition/implementation of the actual item. We also add concepts that expand the scope and alter the style by recognizing: There are many things beside "lines of code" that benefit from testing (measuring/evaluating in a formal way) Correctness and Quality can not be solely measured by "correct results" In the future parts, we will examine in greater detail some of the techniques that can be applied to each of these areas....

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  • Android: Conversion to Dalvik format failed: Unable to execute dex: null

    - by Adam Haile
    I'm trying to use the SmugFig SmugMug API on Android. It was designed for J2SE I would imagine, so I'm not sure it will even work on Android, but I figured it was worth trying as opposed to trying to create my own API. When I load the project though, I get the following error: Conversion to Dalvik format failed: Unable to execute dex: null It doesn't say what package it fails on, just "Android Packaging Problem", but it did not do this before I added SmugFig and it's dependency JARS to the build path. Where should I look? Or does this mainly me that it just won't work with those libraries?

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  • Objective-C how to check if a string is null

    - by norskben
    SO I wish to check to see if the item in my array [clientDataArray objectForKey:@"ClientCompany"] is nil. temp = [clientDataArray objectForKey:@"ClientCompany"]; if (temp != [NSNull null]) infofieldCompany.text = temp; So far I have been able to achieve this through the above code, but it does give me the warnings warning: 'NSArray' may not respond to'-objectForKey:' warning: comparison of distinct Objective-C types 'struct NSNull *' and 'struct NSString *' lacks a cast My main interest is the second warning, but the first warning also interest me. How should I adapt my above code?

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  • jQuery getJSON response null for Firefox, works for IE

    - by user186106
    $.getJSON(service + "/GetJobTags", { tag: "a" }, function(json) { $.each(json, function(i,val) { alert(val.Title); }); }); It calls: http://127.0.0.1:20087/ClientService.svc/GetJobTags?tag=a This is probably of note, the service is running on a different port to the client application, which is on: http://127.0.0.1:32017/index.htm Firefox says HTTP 200 OK but the response data is null (and it highlights in red in Firebug). In IE it works fine, and the server is returning json. Is this a permissions problem? Do I need to use JSONP?

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  • jQuery UI sortable('cancel') - this.helper is null

    - by Kerry
    I am trying to disable a sortable element from sorting when it has been double clicked. When I try to disable it, even without a condition, it gives me the error 'this.helper is null'. $('.roundedBox:first', division).sortable({ start: function( event, ui ) { if( true === true ) { $(this).sortable('cancel'); } $(this).parent().data( 'sorting', true ); }, stop: function() { $(this).parent().data( 'sorting', false ); }, items: '.department', update: function() {}, placeholder: 'department-placeholder' }) Any ideas on how I can do this? I don't need it to be this method. Literally anything thing that stops it will work. The problem is, sorting starts on a single click, but I have another action bound to double click. If it's double clicked, I don't want it to drag.

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  • $MyInvocation.MyCommand.Path is $null in PowerGUI script editor

    - by Polymorphix
    When trying to debug my powershell script in the powerGUI script editor (2.0.0.1082) the $MyInvocation.MyCommand.Path is $null. It works when running the script via powershell. Running it in Powershell_ise.exe (on one of our servers) also works fine. Have anyone else had the same problem or know what's wrong? Here's the my powershell version: Name Value ---- ----- CLRVersion 2.0.50727.4927 BuildVersion 6.1.7600.16385 PSVersion 2.0 WSManStackVersion 2.0 PSCompatibleVersions {1.0, 2.0} SerializationVersion 1.1.0.1 PSRemotingProtocolVersion 2.1 Server version: Name Value ---- ----- CLRVersion 2.0.50727.3082 BuildVersion 6.0.6002.18111 PSVersion 2.0 WSManStackVersion 2.0 PSCompatibleVersions {1.0, 2.0} SerializationVersion 1.1.0.1 PSRemotingProtocolVersion 2.1

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  • Column cannot be added because its CellType property is null exception

    - by niko
    Hi, I have trouble with the following piece of code. When I go through with the debugger I get an exception when it comes to the following line: dgvCalls.Columns.Insert(1, msisnnColumn); I get an exception: Column cannot be added because its CellType property is null. Oddly, I created the same procedure for some other DataGridViews and it worked fine. if (!(dgvCalls.Columns.Contains("DirectionImage"))) { directionIconColumn = new DataGridViewImageColumn(); directionIconColumn.Name = "DirectionImage"; directionIconColumn.HeaderText = ""; dgvCalls.Columns.Insert(0, directionIconColumn); directionIconColumn.CellTemplate = new DataGridViewImageCell(); } if (!(dgvCalls.Columns.Contains("msisndColumn"))) { msisnnColumn = new DataGridViewColumn(); msisnnColumn.Name = "msisndColumn"; msisnnColumn.HeaderText = "Klic"; dgvCalls.Columns.Insert(1, msisnnColumn); msisnnColumn.CellTemplate = new DataGridViewTextBoxCell(); } Any suggestions?

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  • The parameters dictionary contains a null entry for parameter 'productId' of non-nullable type 'Syst

    - by Naim
    Hi Guys, I am trying to implement an edit page in order administrator to modify data in database.Unfortunately I am encountering an error. The code below: public ViewResult Edit(int productId) { // Do something here } but I am getting this error: "The parameters dictionary contains a null entry for parameter 'productId' of non-nullable type 'System.Int32' for method 'System.Web.Mvc.ViewResult Edit(Int32)' in 'WebUI.Controllers.AdminController'. To make a parameter optional its type should be either a reference type or a Nullable type. Parameter name: parameters" I changed my route in Global.asax.cs like this: routes.MapRoute( "Admin", "Admin/{action}/{ productId}", new { controller = "Admin", action = "Edit", productId= "" } ); but still I am getting the error Thanks for your help! Naim

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  • iPhone: ASIFormDataRequest Returns NULL from PHP Server

    - by meetS
    Hi, I have PHP script link, which responds YES or NO when we set post userName and emailID. I have used ASI framework. When I try to connect with the following code, I get a null return. NSURL *url = [NSURL URLWithString:@"https://abc.com/abctest/registration.php"]; ASIFormDataRequest *request = [[ASIFormDataRequest alloc] initWithURL:url]; [request setPostValue:@"[email protected]" forKey:@"email"]; [request setPostValue:@"pqr" forKey:@"userName"]; [request start]; NSError *error = [request error]; if (!error) { NSString *response = [request responseString]; printf("\n\n\n Responce %s",[response UTF8String]); response = [response stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]]; if ([response isEqualToString:@"YES"]) { printf("\n\n YES"); } } What am I doing wrong?

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  • System.Web.Security.FormsAuthentication.Encrypt returns null

    - by Mustafakidd
    I'm trying to encrypt some userData to create my own custom IPrincipal and IIdentity objects using Forms authentication - I've serialized an object representing my logged in user to Json and created my FormsAuthentication ticket like so: string user_item = GetJsonOfLoggedinUser();/*get JSON representation of my logged in user*/ System.Web.Security.FormsAuthenticationTicket ticket = new System.Web.Security.FormsAuthenticationTicket(1, WAM.Utilities.SessionHelper.LoggedInEmployee.F_NAME + " " + WAM.Utilities.SessionHelper.LoggedInEmployee.L_NAME, DateTime.Now, DateTime.Now.AddMinutes(30), false, user_item); string encrypted_ticket = System.Web.Security.FormsAuthentication.Encrypt(ticket); HttpCookie auth_cookie = new HttpCookie( System.Web.Security.FormsAuthentication.FormsCookieName, encrypted_ticket); Response.Cookies.Add(auth_cookie); However, the string encrypted_ticket is always null. Is there a limit on the length of the user_item string? Thanks Mustafa

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  • Silverlight 4 toolkit, charting and lineSeries is null

    - by Snake
    Hi, I create a Silverlight Chart, with the Silverlight 4 toolkit, the April release. Consider the following chart: <Grid x:Name="LayoutRoot" Background="White"> <Charting:Chart Title="Chart to test" Name="MySuperChart"> <Charting:LineSeries x:Name="MyLineSeries" Title="Something" /> </Charting:Chart> </Grid> So far so good. I can access the Series in the chart by MySuperChart.Series[0] But when I try to reference MyLineSeries, it appears to be null. Full view

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  • execcommand("SaveAs",null,"file.csv") is not working in IE8

    - by anbu
    var doc = w.docment; doc.open('application/CSV','replace'); doc.charset = "utf-8"; doc.write("all,hello"); doc.close(); if(doc.execcommand("SaveAs",null,"file.csv")) { window.alert("saved "); }else { window.alert("cannot be saved"); } not working in IE 8 but woks in IE 6 what is the problem ? it is alerting "cannot be saved" help me !!! advance thanks

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  • jQuery .post gets null data

    - by Andrew Flusche
    Hey everyone. This is my first post here, so I hope I'm doing it appropriately. I have several jQuery $.post calls that work just fine. They send data to a PHP script that modifies a database and returns some data. No problem. But this one doesn't work. The returned data is just NULL. $.post("act_addTaskLog.php", {description: $("#logFormDescription").val(), complete: $("#logFormComplete").is(':checked'), taskId: $("#logFormTaskId").val(), user: <?php echo $_SESSION['user']; ?>}, function(data) { alert("data: " + data); } ); I've tried everything I can think of, to no avail. I've even tried just one line in my PHP script: die("true"); Firebug shows that the script is being executed, but it's not completing. The alert message displays just with the label "data:" in it, no actual data. Thanks in advance for your help!

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  • CommandBinding CanExecute always null

    - by developer
    Hi All, I am using CommandBinding to display visibility of a button. Below is my code <UserControl.CommandBindings> <CommandBinding Command="{x:Static local:AttendeePanel.LaunchAttEditor}" Executed="LaunchAttEditor_Executed" CanExecute="CanCreateProfile"/> </UserControl.CommandBindings> <Button Content="Create Profile" Command="local:LaunchEditor" CommandParameter="{Binding Profile}" Name="BtnCreate"> My problem is that CanExecute method always gets null as parameter even though I am binding the parameter to Profile. Is there a way I can set Data Context? or is this because the canexecute runs before data load?

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  • Why is my movie clip instance null?

    - by Khan
    I have 2 movie clips in my scene, one is charlie brown running and another is lucy lifting a football. The movie clip instances are aptly named: lucyLifting and charlieRunning. When I get to frame 75, I run the following code: stop(); trace(lucyLifting); trace(charlieRunning); lucyLifing.stop(); charlieRunning.stop(); and I get the following output: [object MovieClip] null Why isn't it recognizing my second movie clip instance? This is very frustrating.... Thank you in advance.

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  • ListView FocusedItem Becomes NULL

    - by Andy and Tyler
    When the program runs, there is a series of ListView forms. We populated one of them with items (as strings) and we check whether the state of selection has changed. Once it's changed, we grab the text of the selected item using FocusedItem.Text. The first time works just fine but when another selection is made, the selected item returns as null. The only way we can temporarily get around this issue is to clear and repopulate the form. The disadvantage is that we lose the highlighted item. There got to be another way around this. Maybe we're not clear on how ListView really works? Any ideas?

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  • NULL values in object properties in Entity Framework

    - by Tony
    Tables: Article, Author, Comment (1 article and 1 author can have * comments) In the database is 1 article, 1 author and 1 comment. The problem is, that code myBD my_bd = new myBD(); var articles = by_bd.Article; works OK, I can see that an Author and an Article has 1 comment. But that code var comm = (from u in my_bd.Comment where ...... select u); returns the comment but it has NULL values in property Article and Author. Why ?

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