check that

    Attribute.GetCustomAttribute(typeof(ScheduleController),
        typeof(SubControllerActionToViewDataAttribute))

isn&#39;t null (`Assert.IsNotNull` or similar)

(the reason I use this rather than `IsDefined` is that most times I want to validate some properties of the attribute too....)

The same you would normally check for an attribute on a class.

Here&#39;s some sample code.

    typeof(ScheduleController)
    .IsDefined(typeof(SubControllerActionToViewDataAttribute), false);

I think in many cases testing for the existence of an attribute in a unit test is wrong. As I&#39;ve not used MVC contrib&#39;s sub controller functionality I can&#39;t comment whether it is appropriate in this case though.

It is also possible to use generics on this:

    var type = typeof(SomeType);
    var attribute = type.GetCustomAttribute&lt;SomeAttribute&gt;();

This way you do not need another `typeof(...)`, which can make the code cleaner.

I know this thread is really old, but if somebody stumble upon on it you may find [fluentassertions][1] project very convenient for doing this kind of assertions.

    typeof(MyPresentationModel).Should().BeDecoratedWith&lt;SomeAttribute&gt;();


  [1]: https://github.com/dennisdoomen/fluentassertions/wiki#type-method-and-property-assertions

I have a simple batch file like this:

&lt;pre&gt;
echo off

taskkill /im &quot;test.exe&quot; /f &gt; nul

pause
&lt;/pre&gt;

If &quot;test.exe&quot; is not running, I get this message:

&lt;pre&gt;
ERROR: The process &quot;test.exe&quot; not found.
&lt;/pre&gt;

Why does this error message get displayed, even though I have redirected output to NUL?

How can I suppress that output?

Suppress command line output

I want to get the column data type of a mysql table.

Thought I could use `MYSQLFIELD` structure but it was enumerated field types.

Then I tried with `mysql_real_query()`

The error which i am getting is `query was empty`

How do I get the column data type?




How to get the mysql table columns data type?

I&#39;m trying to do a little Test-First development, and I&#39;m trying to verify that my classes are marked with an attribute:

    [SubControllerActionToViewDataAttribute]
    public class ScheduleController : Controller

How do I unit test that the class has that attribute assigned to it?

Test if a class has an attribute?

I'm trying to do a little Test-First development, and I'm trying to verify that my classes are marked with an attribute:
<pre><code class="hljs language-csharp">[SubControllerActionToViewDataAttribute]
public class ScheduleController : Controller
</code></pre>
How do I unit test that the class has that attribute assigned to it?

If you have an Interface `IFoo` and a class `Bar : IFoo`, why can you do the following:

    List&lt;IFoo&gt; foo = new List&lt;IFoo&gt;();  
    foo.Add(new Bar());

But you cannot do:

    List&lt;IFoo&gt; foo = new List&lt;Bar&gt;();

C# List&lt;Interface&gt;: why you cannot do `List&lt;IFoo&gt; foo = new List&lt;Bar&gt;();`

I&#39;ve created a new Class Library in C# and want to use it in one of my other C# projects - how do I do this?


How do I use a C# Class Library in a project?

I have a TextBox on a C# Forms Application. I populate the TextBox with information on the Load event of the form. I then call the following:

    this.txtLogEntries.SelectionStart = txtLogEntries.Text.Length;
    this.txtLogEntries.ScrollToCaret();

However the TextBox does not scroll to the bottom ?

This only applies to the Load event though. I also update this TextBox from other parts of the application once it&#39;s running, and as soon as one of these events update&#39;s the TextBox, it is scrolled to the bottom.

So, how can I get it to scroll to the bottom when pre populating the TextBox in the Form Load event?


Scroll to bottom of C# TextBox

I want to base64 encode data to put it in a URL and then decode it within my HttpHandler.

I have found that [Base64 Encoding](http://en.wikipedia.org/wiki/Base64) allows for a &#39;/&#39; character which will mess up my UriTemplate matching.  Then I found that there is a concept of a &quot;modified Base64 for URL&quot; from wikipedia:

A modified Base64 for URL variant exists, where no padding &#39;=&#39; will be used, and the &#39;+&#39; and &#39;/&#39; characters of standard Base64 are respectively replaced by &#39;-&#39; and &#39;_&#39;, so that using URL encoders/decoders is no longer necessary and has no impact on the length of the encoded value, leaving the same encoded form intact for use in relational databases, web forms, and object identifiers in general.

Using .NET I want to modify my current code from doing basic base64 encoding and decoding to using the &quot;modified base64 for URL&quot; method.  Has anyone done this?

To decode, I know it starts out with something like:

    string base64EncodedText = base64UrlEncodedText.Replace(&#39;-&#39;, &#39;+&#39;).Replace(&#39;_&#39;, &#39;/&#39;);

    // Append &#39;=&#39; char(s) if necessary - how best to do this?

    // My normal base64 decoding now uses encodedText

But, I need to potentially add one or two &#39;=&#39; chars to the end which looks a little more complex.

My encoding logic should be a little simpler:

    // Perform normal base64 encoding
    byte[] encodedBytes = Encoding.UTF8.GetBytes(unencodedText);
    string base64EncodedText = Convert.ToBase64String(encodedBytes);

    // Apply URL variant
    string base64UrlEncodedText = base64EncodedText.Replace(&quot;=&quot;, String.Empty).Replace(&#39;+&#39;, &#39;-&#39;).Replace(&#39;/&#39;, &#39;_&#39;);
    
I have seen the [Guid to Base64 for URL](https://stackoverflow.com/questions/1032376/guid-to-base64-for-url) StackOverflow entry, but that has a known length and therefore they can hardcode the number of equal signs needed at the end.

Code for decoding/encoding a modified base64 URL (in ASP.NET Framework)

Is there any way to get the xml encoding in the toString() Function?

**Example:**

    xml.Save(&quot;myfile.xml&quot;);

leads to

    &lt;?xml version=&quot;1.0&quot; encoding=&quot;utf-8&quot;?&gt;
    &lt;Cooperations&gt;
      &lt;Cooperation&gt;
        &lt;CooperationId&gt;xxx&lt;/CooperationId&gt;
        &lt;CooperationName&gt;Allianz Konzern&lt;/CooperationName&gt;
        &lt;LogicalCustomers&gt;

But 

    tb_output.Text = xml.toString();


leads to an output like this

    &lt;Cooperations&gt;
      &lt;Cooperation&gt;
        &lt;CooperationId&gt;xxx&lt;/CooperationId&gt;
        &lt;CooperationName&gt;Allianz Konzern&lt;/CooperationName&gt;
        &lt;LogicalCustomers&gt;
        ...

XDocument.ToString() drops XML Encoding Tag

I am looking for rules like:

A test is not a unit-test if:

 - it communicates with a database
 - it cannot run in parallel with other tests
 - uses the &quot;environment&quot; like registry or file system

What else is there?

When is a Test not a Unit-test?

How can I test that my controller action is putting the correct errors in the ModelState when validating an entity, when I&#39;m using DataAnnotation validation in MVC 2 Preview 1?

Some code to illustrate.  First, the action:

        [HttpPost]
        public ActionResult Index(BlogPost b)
        {
            if(ModelState.IsValid)
            {
                _blogService.Insert(b);
                return(View(&quot;Success&quot;, b));
            }
            return View(b);
        }

And here&#39;s a failing unit test that I think should be passing but isn&#39;t (using MbUnit &amp; Moq):

    [Test]
    public void When_processing_invalid_post_HomeControllerModelState_should_have_at_least_one_error()
    {
        // arrange
        var mockRepository = new Mock&lt;IBlogPostSVC&gt;();
        var homeController = new HomeController(mockRepository.Object);

        // act
        var p = new BlogPost { Title = &quot;test&quot; };            // date and content should be required
        homeController.Index(p);

        // assert
        Assert.IsTrue(!homeController.ModelState.IsValid);
    }

I guess in addition to this question, *should* I be testing validation, and should I be testing it in this way?



Unit tests on MVC validation

I&#39;m testing how some of my code handles bad data, and I need a few series of bytes that are invalid UTF-8.  

Can you post some, and ideally, an explanation of why they are bad/where you got them?  



Example invalid utf8 string?

I&#39;m looking for a way to programmatically change navigator.userAgent on the fly. In my failed attempt to get an automated javascript unit tester, I gave up and attempted to begin using fireunit. Immediately, I&#39;ve slammed into one of the walls of using an actual browser for javascript testing.

Specifically, I need to change navigator.userAgent to simulate a few hundred userAgent strings to ensure proper detection and coverage on a given function. navigator.userAgent is readonly, so I seem stuck! How can I mock navigator.userAgent? User Agent Switcher (plugin) can switch FF&#39;s useragent, but can I do it within javascript?



Mocking a useragent in javascript?

The Python unittest framework has a concept of verbosity that I can&#39;t seem to find defined anywhere. For instance, I&#39;m running test cases like this ([like in the documentation][1]):

    suite = unittest.TestLoader().loadTestsFromTestCase(MyAwesomeTest)
    unittest.TextTestRunner(verbosity=2).run(suite)

The only number I&#39;ve ever seen passed as verbosity is 2. What is this magic number, what does it mean, what what else can I pass?


  [1]: http://docs.python.org/library/unittest.html#basic-example

What numbers can you pass as verbosity in running Python Unit Test Suites?

I am attempting to pass objects into an Attributes constructor as follows:

    [PropertyValidation(new NullOrEmptyValidatorScheme())]
    public string Name { get; private set; }

With this attribute constructor:

     public PropertyValidationAttribute(IValidatorScheme validator) {
          this._ValidatorScheme = validator;
        }

The code won&#39;t compile. How can I pass an object into an attribute as above?

EDIT: Yes NullOrEmptyValidatorScheme implements IValidatorScheme. 

The error: error CS0182: An attribute argument must be a constant expression, typeof expression or array creation expression of an attribute parameter type.


How to pass objects into an attribute constructor

What does the `Inherited` bool property on attributes refers to? 

Does it mean that if I define my class with an attribute `AbcAtribute` (that has `Inherited = true`), and if I inherit another class from that class, that the derived class will also have that same attribute applied to it?

To clarify this question with a code example, imagine the following:

&lt;!-- language: lang-c# --&gt;

    [AttributeUsage(AttributeTargets.Class, Inherited = true)]
    public class Random: Attribute
    { /* attribute logic here */ }

    [Random]
    class Mother 
    { }
    
    class Child : Mother 
    { }

Does `Child` also have the `Random` attribute applied to it?

How does inheritance work for Attributes?

(Written in Python shell)

    &gt;&gt;&gt; o = object()
    &gt;&gt;&gt; o.test = 1
    
    Traceback (most recent call last):
      File &quot;&lt;pyshell#45&gt;&quot;, line 1, in &lt;module&gt;
        o.test = 1
    AttributeError: &#39;object&#39; object has no attribute &#39;test&#39;
    &gt;&gt;&gt; class test1:
    	pass
    
    &gt;&gt;&gt; t = test1()
    &gt;&gt;&gt; t.test
    
    Traceback (most recent call last):
      File &quot;&lt;pyshell#50&gt;&quot;, line 1, in &lt;module&gt;
        t.test
    AttributeError: test1 instance has no attribute &#39;test&#39;
    &gt;&gt;&gt; t.test = 1
    &gt;&gt;&gt; t.test
    1
    &gt;&gt;&gt; class test2(object):
    	pass
    
    &gt;&gt;&gt; t = test2()
    &gt;&gt;&gt; t.test = 1
    &gt;&gt;&gt; t.test
    1
    &gt;&gt;&gt; 

Why doesn&#39;t object allow you to add attributes to it?

Why can&#39;t you add attributes to object in python?

What is the difference between the `id` and `name` attributes? They both seem to serve the same purpose of providing an identifier.

I would like to know (specifically with regards to HTML forms) whether or not using both is necessary or encouraged for any reasons.

Difference between id and name attributes in HTML

In Java, what&#39;s the difference between:

    private final static int NUMBER = 10;

and

    private final int NUMBER = 10;

Both are `private` and `final`, the difference is the `static` attribute.

What&#39;s better? And why?

Content Type	Original Author	Original Content on Stackoverflow
Question	JoshRivers	View Question on Stackoverflow
Solution 1 - C#	Marc Gravell	View Answer on Stackoverflow
Solution 2 - C#	RichardOD	View Answer on Stackoverflow
Solution 3 - C#	Kroltan	View Answer on Stackoverflow
Solution 4 - C#	Aleksey L.	View Answer on Stackoverflow

Test if a class has an attribute?

C# Problem Overview

C# Solutions

Solution 1 - C#

Solution 2 - C#

Solution 3 - C#

Solution 4 - C#

How to get the mysql table columns data type?

Suppress command line output

Attributions