NET assembly, therefore we can apply some of the. NET magic: using reflection on the nanoFramework assemblies to discover potential tests! Because mscorlib version is different than the one running in the main code, we have to first creating an Application Domain, loading the assembly and its dependencies. NET nanoFramework assembly, all its dependencies get into the build folder. That does simplify a lot the process.
Once you have the assembly loaded, you can use reflection and find out all the possible methods through the test attributes. As per the previous convention, all the CS files are part of a sub directory and as for some of the other. NET tests framework, a file parsing is done to find the correct line number.
This is a compromise needed as we cannot really execute the. The list of tests can be passed back to Visual Studio. And taking our previous example, we will have this into the Test Explorer window:. Traits are used to identify the type of test methods and making it easy to find the Setup, Cleanup ones. The ITestExecutor interface is the one thru which the tests are run and the results output. The tests can be launched thru Visual Studio or from the command line tool.
When launched thru the command line, the discovery has to happen first. The complexity here is multiple and different of the tests are to be run on the device or in the nanoCLR Win32 application.
The reason is that the calls between the C code and their native counterparts have to match otherwise bad things will happen. Changing one of the function signatures and the call to its counterpart will fail or produce unexpected results. NET C code, to have specific targets. You will find the targets file in the repository. While building the system will check if the latest version is present and install it if needed.
While it will be too long to explain in detail all the mechanism in place to upload the code on the device, run it and gather the results thru the debug channel, from the code , the steps are the following: discover the device, the debug and the connection to a device is done by serial port. Each device is flashed with a boot loader and the nanoCLR. The next step is to erase the deployment area of the device memory and check that the device is back to its initialized state.
Once this state is reached, we check the versions of all the assemblies and the compatibility with the device. NET nanoFramework is real. NET code and being built with the normal build chain. The next step is to load the assemblies into the device and launch the debug process. This will automatically find the unit test launcher which will start the mechanism. On the nanoCLR Win32 side, the executable must be found in the various paths as per the previous description, and the build will ensure that the latest versions are installed.
All the assemblies must be loaded as arguments in the command line. Now, as this is an external process, a Process class is used capture the Output and Error streams coming from the nanoCLR executable. The code is what you need to create, capture the output and start the process. Pay attention to the WaitForExit method that will wait for the process to exit or will kill the process after a timeout occurs. In both cases, once the test run completes, the output string needs to be parsed.
And of course, as you may expect the annotation into the code for the passed and missed tests. A nice mechanism as well is the. The file looks like that in our case:.
There are few tricks in this file. First the target framework version is set to Framework As this build tool chain is used to build the nanoFramework code, this will trigger the discovery from Visual Studio. The nanoFrameworkAdapter section contains the specific settings that can be passed to the Test Adapter. Pressing F5 or running it in a command line or in a pipeline will be the exact same process and in full transparency from with the Win32 CLR or the real device.
For a command line usage or a pipeline usage, the file can be anywhere, it has to be passed as an argument. As part of each PR like in almost all serious projects nowadays, there are QA checks in place. You can see a result example from the mscorlib build here. You will notice that there are 43 failed tests.
The reason is once the unit test framework has been put in place more than tests have been migrated from. NET Microframework. This process has brought along with the unit tests, opportunities to uncover edge cases and bugs introduced over time.
As soon as those will be fixed and all tests are passing, a failure in the unit test task will prevent the merge therefore acting as a quality gate. This is a very standard build task using VS Test which will run vstest. The parameters are path to the different configuration elements including the.
NET nanoFramework for static code analysis. We have now seen the full chain and all the components that are needed, along with some of the mechanisms behind all this that make all this working. So, for this purpose, a NuGet package is provided. This package includes the unit test launcher build in Debug version , the test framework library build in Release , the nanoCLR Win32 application and the update mechanism for the nanoCLR Win Now to make it absolutely simple for the developer, once you have the.
NET nanoFramework by using the respective project template. Like with any project template that we are used to, it will automatically create the right type of project, add the NuGet, put the.
One of the motivations to create all the unit test framework for. NET nanoFramework was to be able to reuse, adapt and add tests. NET Microframework happened. This work represented 84K lines of codes added to mscorlib. It helped to discover quite some edge cases and fixing all of them is now in process. But why is this a chicken and egg problem? This package includes the Unit Test Launcher and the Test Framework which, for obvious reasons are built against a specific version of mscorlib.
It does mean that all the elements must be as project reference. The tests should be project reference of mscorlib, the Unit Test Launcher and the Test Framework as well. NET nanoFramework is organized in different repositories, the Test Framework one is and this make it easy to add it as a git sub module of the mscorlib one.
As this still requires a specific version of nanoCLR Win32, a fake test project has been added, which contains the NuGet package and as it is built, the latest version of the nanoCLR Win32 is pulled from the build. As mscorlib is using a native C implementation as well, that does allow to run the tests with the always up to date version, all built from source, including in the Azure DevOps pipelines.
Now that this. NET nanoFramework unit test framework is real and fully usable. Even if as explained at the beginning,. But if you see something that doesn't look right, click here to contact us! He had finished with career home runs, one shy of the all-time record set by Babe Ruth.
On April 4, Opening Day, a year-old Aaron sent the very first pitch he saw over the wall, finally tying In , Ebert started co-hosting a movie review program on TV On March 21, , a major offensive against Allied positions in the Somme River region of France began with five hours of bombardment from more Just after 6 p.
Sign up now to learn about This Day in History straight from your inbox. On this day in , German forces in the throes of a major spring offensive on the Western Front launch a renewed attack on Allied positions between the Somme and Avre Rivers. In it, he says that there is a common link forming between the civil rights and In the dream, Lincoln asked a soldier standing guard President William Henry Harrison dies after serving only 32 days in office on this day in Harrison holds the unfortunate presidential record of shortest term in office.
Ironically, the man with the shortest White House tenure delivered the longest inaugural address in Louis, Missouri. Her parents divorced when she was three, and she and her brother went to live with their grandmother in Stamps, Arkansas. Then, in January , we unveiled more of win Customers and fans then started to share this image representing not just Windows 10 but also Microsoft overall. As the months went on and we got requests, we made more stickers and T-shirts to give out at various events, but we also started to joke about how it had gone far beyond the expected 15 minutes of fame and clearly the ninjacat was jumping the shark.
So for fun, we made a new steed for her :. And then this past week, to celebrate the Windows 10 Anniversary Update we just released which, by the way, has some ninjacat emojis which were even mentioned in Teen Vogue a couple of months ago , we also posted some new wallpapers and an animated GIF :.
With the ninjacat, what I find the most rewarding is how fans and other employees have reacted and understand the spirit in which it started — people on the team excited about what we were working on for customers, and just goofing around and having dorky fun with each other.
So really the best part of this is not about what we did with the ninjacat, but what others have done. Some of my favorites of those creations are hopefully I got all the attributions right, apologies in advance if not :. A few months ago my team even got me a plush stuffed ninjacat as a surprise present , which was awesome:.
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