Stubbing A Dictionary In Rhino.Mocks
Feb 23, 2012
I have a read-only dictionary on a dependency that I'd like to be able to stub with return values, and check that assignments to it have happened.
I was hoping that Rhino.Mocks would create an empty dictionary for me by default, but unfortunately it doesn't. Since it is read-only, I can't create a new dictionary and assign it to that property.
I was hoping to be able to stub it instead. From what I understand, the C# syntax for this would looking something like this:
m.Stub(x => x.myProperty).Return("abc");
So I was hoping that this would work for VB:
m.Stub(sub(x) x.myProperty).Return("abc");
But it doesn't (compiler error). how to accomplish this? I'm open to the Expect/Verify syntax if it can accomplish this...
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May 12, 2009
I am trying to create a unit test similar to how I would have done one in C# but am struggling with the lambdas in vb. Bascially I am trying to mock a class and then create a stub and return. In C# I would have done something like;
MockedPersonRepository
.Stub(x => x.Find(id))
.Return(person)
[code].....
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Jun 4, 2009
I remember that to set expectations on methods that return void in C# one has to write: mockedRepository.Expect(() => mr.AddUser(someUser)).DoOtherStuff()where AddUser returns void.How to achieve the same in VB.NET?
EDIT:I've found similar question. May be helpful: How to mock a method with Rhino Mocks in VB.NET .
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Jun 22, 2011
The following C# code works just fine and the test passes as expected.
using NUnit.Framework;
using Rhino.Mocks;
namespace RhinoMocksTesting
{
public interface ITesting
[Code]...
The Expect.Call line produces the following build error: "Overload resolution failed because no accessible 'Expect' accepts this number of arguments." What is the proper way to use Expect.Call with a mocked property in VB.NET? I've seen a couple posts that say Rhino Mocks works better in VB10, but I'm stuck with Visual Studio 2008 for this current project.
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Feb 22, 2011
I can create an ASP.NET Page object in my unit tests by subclassing System.Web.UI.Page.However, I cannot find a way to set Page.Form. Adding a form with attribute (runat,server)does not work. Overloading the form in my Subclass does not give the required functionality.
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Jan 25, 2010
I want to group items from a linq query under a header, so that for each header I have a list of objects that match the header title. I assumed the solution would be to use ToDictionary to convert the objects, but this allows only one object per "group" (or dictionary key). I assumed I could create the dictionary of type (String, List Of()), but I can't figure out how to write it. As an example I have written a simplified version below.
[Code]...
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Apr 27, 2009
I have created a class with a function in it. I have a collection of data I want to pass back. I tried an arraylist first. Now I am trying to use a dictionary. My problem is that it creates the dictionary ok, but I am only get the last row of data from my
Function GetWeldAuditInfo(ByVal ResourceId
As
String,
ByVal VendorId
[CODE].........................
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Apr 16, 2012
I have the following object:
countDictionary As Dictionary(of Category, Dictionary(of Date, Integer))
The Class has a Enumeration Property. For the purposes of demonstration, I'll call it MasterCategory.I have been trying to get out an object that looks like the following:
groupedCountDictionary As Dictionary(of MasterCategory, Dictionary(of Date, Integer)
The best result I could get was:
Lookup(of MasterCategory, Dictionary(of Date, Integer))
From:
countDictionary.ToLookup(Function(o) o.Key.MasterCategory, Function(o) o.Value)
Which results in a IEnumerable (Of Dictionary(of Date, Integer)) for each MasterCategory value.However, I need that IEnumerable of Dictionary flattened to one dictionary with all the integers summed (total counts) for each date. I then tried to use various selects and group bys (from numerous stackoverflow posts) to "flatten" it, but my efforts have fallen short.
Current Code
[Category Class]
- MasterCategory As Enum
- Name As String etc
[code]....
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Jul 7, 2010
I have created a Dictionary class (MyDictionary for the example). I am currently trying to pass MyDictionary into a function, filter it into a new instance of MyDictionary and pass this new instance into another method. When I am attempting to create the second instance from the filtered first instance of MyDictionary via Lambda Expressions and the ToDictionary Method, I am getting the following error:
Unable to cast object of type 'System.Collections.Generic.Dictionary`2[System.Int32,System.String]' to type 'MyDictionary'. I have simplified the example and recreated it in LINQPad and am getting the same error.
Here's the simplified version of my code:
[Code]...
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Jan 6, 2011
I use VS2005 and I have just started working with the dictionary in particular the Dictionary.ContainsKey method. At the bottom of the page in the msdn library it says the following in the community content How to make sure that Contains functions properly.
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Jul 6, 2010
I'm making a custom class that mocks the System.Drawing.Rectangle class because the Rectangle class doesn't have a name property. I need a name property because I am adding all of my rectangles to a collection and I need a little more info stored than just their locale and size. So I changed the _onPaint event but nothing is working out when I run the program?
Public Class Rectanglar : Inherits UserControl
Public BackgroundColor As Color = Color.Blue
Public Sub New(ByVal name As String, ByVal XY As Point, ByVal Widthy As Integer, ByVal Heighty As Integer)
[code].....
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Feb 26, 2010
How would I go about copying every value of one Dictionary list to another Dictionary list.
Here is what I've done:
VB.net
' Assign values to player pairs enumeration
Private Enum cmptrPairsList
empty = 0
[code]....
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Jun 21, 2012
I have written this function to auto correct gender to M or F from different values in a string array. It works fine but my manager told me to use Dictionary which he said is more efficient.[code]
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Sep 27, 2011
Is it possible to change the key of a dictionary?
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Apr 19, 2010
I have a dictionary in the form of: { "honda" : 4, "toyota": 7, "ford" : 3, "chevy": 10 }
I want to sort it by the second column aka (the value) descending.
Desired output:
"chevy", 10
"toyota", 7
"honda", 4
"ford", 3
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Sep 27, 2011
Is it possible to change the key of a dictionary?
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Oct 19, 2011
I need to order a Dictionary in VB.net based off of the keys. The keys and values are all strings. The dictionary does not have a .Sort(). Is there a way to do this without having to write my own sorting algorithm?
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Mar 15, 2010
I have a dictionary of key=string and value=datatable. I use a key to retrieve a datatable and assign that datatable to a new variable. Then I make some updates to the variable. However, I find that the dictionary itself is being updated even though I'm only updating the variable. This causes significant issues when I try to reference the dictionary later. How can I set up my dictionary so that it won't update when I use a value?
dim dt1 as datatable
dt1=dictionary(key)
For row=0 to dt1.rows.count
dt1.Rows(row)(4)=dt1.rows(row)(4)/2
Next row
'at this point, when I look up dictionary(key), the value I get shows all of the original values divided by 2.
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Dec 6, 2010
It is possible to output all the dictionary values to a textbox? Not the keys, just the values of all the keys.
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Sep 30, 2011
How to make a dictionary? that left side have listbox, rightside have one picturebox and textbox. When i clicked on the "APPLE" in listbox, it open APPLE'S picture and describe, when i clicked on the "ORANGE" in listbox, it open ORANGE's picture and describe.But now the problem is, i want to make it all in a exe, so that APPLE & ORANGE's picture and describe will be combine into the EXE, so what is the most easiest code to done...
- LOAD THE PIC INSIDE THE EXE (RESOURCE?)
- LOAD THE TEXT INSIDE THE EXE (RESOURCE?)
- SEARCH THE LISTBOX FOR SPECIFY ITEM
EDIT: With search function...
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Mar 30, 2010
[code] For example, if the word was "cat" it would return true. If the word was "jlakfh", then it word return false. To do this i need some kind of dictionary array or something. How do I do this? If it helps, I only needs words with less than 7 letters in them, and more than 2 letters in them. Also, I don't need the definitions of the words. I only need the words themselves in the arary. Do I need to manually input all the words into an array or is there already a dictionary control or something that I could use?
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Dec 28, 2011
I've got a nested dict like:
Public collectionMain As New Dictionary(Of String, Dictionary(Of String, String))
When inserting a new item:
collectionMain.Add(node.SelectSingleNode("key").InnerText.Trim, collectionSub)
collectionSub.Clear()
On the add my collectionSub is filled with key & values. But when calling clear, the collectionMain.value is empty.
How can i keep the collectionMain dictionary value?
The collectionSub needs to be cleared, it's in a loop for filling.
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Nov 3, 2010
I have been trying to use a bit array as a dictionary key and even though I know each bitarray value is different the program fails with a duplicate key message when a try to add the second record to the dictionary. Is there any way I can make this work?
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Jul 16, 2010
Question: I use a serializable dictionary class, found at , to serialize a dictionary.
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Dec 1, 2011
i was searching for a simple solution that i can use in sorting a dictionary by value, and i was not content with what i found, so i made up these two functions for sorting a dictionary ascending and descending. I do not assume that they are perfect, so improvements are welcomed. They are written in VB.Net and use an intermediary dictionary.
Public Function SortDictionaryAsc(ByVal dict As Dictionary(Of Long, Decimal)) As Dictionary(Of Long, Decimal)
Dim final As New Dictionary(Of Long, Decimal)
[code].....
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Feb 1, 2010
I have a series of "keys" and associated "descriptors". I have them set up in a VB dictionary to use the keys to select the descriptor for output (the descriptor is the English translation of the hexadecimal key; both are dictionaried as strings).I have looked at the help files and all they do is "for each" statements to retrieve the entire key list or the entire descriptor list. What I need to be able to do is take a key, determined early in the program, and use the dictionary to look up what the English equivalent is. I don't need to retrieve ALL the keys or ALL the descriptors.VB6 made this easy.I'm having trouble doing the same thing in VB 2008.I can provide a sample of the code I have been working with after I get access to that computer.
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Jan 28, 2012
I'm writing a bit of code that I want to populate a TreeView, which it does quite successfully, but I also want to put a Dictionary in the Tag of each Level 1 child node. Once the Tag has been set to the Dictionary, is there any way I can modify the dictionary, without redeclaring the Tag.For Each verse In Verses
Dim _verse = verse.ToString.Trim
Dim _node As TreeNode = New TreeNode(_verse.Split(vbNewLine).First & "...")
_node.ToolTipText = _verse[code]...
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Sep 12, 2009
What I would like to do is make an abstract class that will hold objects in a dictionary and manage the adding/deleting/key changes of those items in the dictionary. My problem is that in order to make the class as generic as possible I declared the dictionary as dictionary(of long, of SomeInterface).The problem is when I try to pass a strongly typed dictionary in the constructor using dictionary( of long, ClassThatImplementsSomeInterface) I get a compiler error because it cannot convert to that type.
The reason I want to pass the dictionary in the abstract class's constructor is so that I can use the strongly typed dictionary in the subclass and have the abstract class manage the keys when it needs to. So how can I do something like this? Also- If there is a much better way to manage keys than what I am doing feel free to let me know, but I am much more interested in how to make this work since I have encountered this type of problem a few times before.
Here's the abstract class:
Public MustInherit Class HasChildrenKeys
Protected m_childItems As Dictionary(Of Long, IHasKey)
[code].....
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Apr 12, 2010
Is there any sort of API for google dictionary or dictionary.com (note: i have tried the google API but that does not support dictionary!!!) or some way to download the information from those sites? i will be using this in a bigger program (a very basic chatbot) so the definition has to be able to easily be output to a string or textbox!!!
note: i have asked mr.google many a time but all the responses are not what i want! and i dont want to have to manually write my OWN dictionary (i.e. writing in each specific word and definition)
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Dec 1, 2009
I want to extend the VB.NET dictionary object to not bitch about an item being already in the associative array.This is what i want to do:
[Code]...
My problem now is:How can I replace the (of object, object)line to let the dictionary be of generic/customizable type?
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