What is a .TRX file?
A .TRX file is a type of computer file known as a Firmware Image File, but in this context, it's specifically used to store test results. It's created by a program called Visual Studio, which is made by Microsoft. Visual Studio is a tool that software developers use to create programs that run on Windows computers. The .TRX file keeps a record of the outcomes of software tests in a format called XML, which is a way of organizing information that computers can read easily.
These test results files are important because they help developers see how well their software is working. They can look at the results directly in Visual Studio to understand what's going right or wrong. Also, these files allow developers to keep a history of test results over time, which can be useful for tracking progress or identifying when and where new problems started.
To open a .TRX file, you would typically use Microsoft Visual Studio 2022 or newer versions. This is because the .TRX file is designed to work with this software. Another way to create .TRX files is by using a tool called Microsoft MSTest. This tool is a bit different because it works from the command line, which means you type commands into a text interface to run tests instead of clicking buttons in a graphical interface. MSTest is included with the Windows operating system and supports creating .TRX files from tests made in Visual Studio 2005 and later versions.
When you use MSTest, you can customize how it works by adding different options to the commands you type. This lets you control what information gets included in the .TRX file or how the tests are run.
It's important to know that when you run tests in Visual Studio, the results don't automatically save to a .TRX file. Instead, they stay in the program's memory. If you want to save these results as a .TRX file, you need to use the "Export Test Run Results" option in Visual Studio. This step is crucial if you want to keep a record of your test results to look at later or share with others.
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