NET Core console project, the main difference that I see is that the console project has an extra attribute in the. NET Core class library project template with that of a. The good news is that when you compare a. As of the time of this writing, the EF Core tooling requires an executable project file in order to run EF Code migrations, so that leaves library projects out of the equation, at least for now. There are a couple of reasons for this, and they are all related to the requirements of the EF Core tooling. NET Core library to host the data access code. One more thing worth mentioning about the SampleApi.Data project is that I used a. However, improving this piece (very possible) is left as an exercise for the reader. However, the downside of this approach is that I hard-coded the development connection string in order to make things a bit more clear, nevertheless, this works OK as a development sample(only). This factory is used by the EF Core tools in order to create the data migration. Here is the snippet for the sample factory: It turned out to be simple to do, however, I wanted to point it out in case anyone else ran into the same issue. However, when I was setting up EF Core to run the first code migration, I quickly realized that I had to setup a factory in order for the EF tooling to work. The model for the sample is made up of a Client and a list of Appointments for each Client, so there's really not much to it.
Here is a snapshot of the physical setup of the Visual Studio 2017 solution:
So I structured the projects in three simple sections: Even though I could have kept everything contained inside a Web API project, I wanted to keep things a bit more organized, even if it's just sample code.
One of the things that I wanted to do for this sample, is that I wanted to separate the data access and data model declarations into their own project. So with that said, let's start by going over the sample project structure.
#Visual studio for mac entity framework code first install#
By the way, I will make the source code available for this sample at the end of this blog post, so if you want to run it, then I suggest you install Visual Studio 2017 along with the web programming bits. Therefore, I thought it would be neat to show how one can test an ASP.NET Core controller, leveraging IoC, and simply using an actual database at runtime for the real code execution and then switching to a testable database when running tests. Now, granted that there are a number of other possible ways to fake out a database and conduct unit test, but I haven't found one that I thought was as simple to implement as with Entity Framework Core. That is, Entity Framework Core can use an In-Memory database, which is useful for things like unit testing. One of them being the ability to run Entity Framework without having to bootstrap a physical database. With the final release of ASP.NET Core and Entity Framework Core there were a number of new and welcome improvements that came along with those releases.
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