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January 17, 2017 | Paul D. Sheriff

Using Assert Classes and Methods in Unit Tests

If you have been following my blog posts on unit testing, you have used the Assert class to signify if a unit test is successful or not. The following are my previous posts on unit testing. If you are not familiar with unit testing, go back and read these posts.

January 16, 2017 | Paul D. Sheriff

Add Attributes to Unit Tests

In my previous blog posts, I introduced you to creating unit tests with Visual Studio. The following is the list of blog posts published thus far.

January 14, 2017 | Paul D. Sheriff

String Interpolation in C# 6.0

I just found this handy shorthand for string.Format() which is available in C# 6.0. I am sure you have all used string.Format() before. Let's say you want to do a little formatting with some data in some variables like the following:

January 13, 2017 | Paul D. Sheriff

Unit Test Initialization and Cleanup

This blog post continues our look at unit testing techniques. See my previous two blog posts for the sample used for testing. 

January 11, 2017 | Paul D. Sheriff

Avoid Hard-Coding in Unit Tests

In my previous blog post entitled Introduction to Unit Testing with Visual Studio, I introduced you to creating unit tests with Visual Studio. A method named FileExists was created to which you pass a file name to see if it exists. In the tests you created, you use hard-coded file names to test. Just as you wouldn’t hard-code values in a normal application, you should not do this with unit tests either. In this blog post you will learn to use constants, a configuration file, and how to create and delete test files.

January 2, 2017 | Paul D. Sheriff

Testing is Not Just for Quality Assurance People

Every developer needs to test their code, or have it tested by someone. I don’t know about you, but I am horrible at testing my own code. Does this mean that I do not need to test my code? Heck, no! It is always best if you do not rely on your end-user to test your code. This can end up with a very frustrated user, and your user can lose faith in your ability to get their project done. There are several ways you can get your code tested. This article explores a few of these methods for testing and talk about the advantages and disadvantages of each.

December 12, 2016 | Paul D. Sheriff

Build a Credit Card Entry Page using Angular – Part 3

In the last two blog posts (Part 1 and Part 2), you built an HTML page (Figure 1) to enter credit card information. You have the drop-down lists loaded with data coming from a Web API service. Your last tasks for this page are to validate the data entered is correct, both on the client and the server, display any validation messages, and finally, save the credit card data into the CreditCard table in your SQL Server database.

December 12, 2016 | Paul D. Sheriff

Build a Credit Card Entry Page using Angular – Part 2

In the last blog post, you created an HTML page (Figure 1) to enter credit card information using Angular. You created some hard-coded functions in your Angular controller to populate the three drop-down lists. In this blog post, you create Web API calls to gather the data for these three drop-down lists from a SQL Server table. These Web API calls request the information for these drop-down lists from a view model class. The view model class uses the Entity Framework (EF) to build a collection credit card types from a SQL Server table, a collection of language-specific month names, and a collection of years. Once you have this built, you call the Web API from your Angular controller to load the drop-down lists from this data instead of the hard-coded data you used in the last blog post.

December 11, 2016 | Paul D. Sheriff

Build a Credit Card Entry Page using Angular – Part 1

A common page on many public websites is a page that asks a user to submit their credit card information. This seemingly simple little page has quite a few moving pieces in it. This series of blog posts illustrates how to build the HTML, Web API calls, a view model class, the Entity Framework objects, and the appropriate AngularJS controller to create a credit card entry page. Yes, I am still using AngularJS (or Angular 1) as opposed to Angular 2. The reason for this is I am finding that many developers are more familiar with JavaScript than with TypeScript and wish to stay with a language they know. There is nothing wrong with Angular 1, and thus no compelling reason to upgrade to Angular 2 if you don't want to.

November 28, 2016 | Paul D. Sheriff

The Importance of a CIO

Are you without a CIO in your company? Did you know that a good CIO can save you money and keep your projects on-time and on-budget. What are some of the key duties a CIO performs that helps a company achieve its goals?

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