Playwright C# - Understanding a test file

• 00:23 Using Statements and Namespaces
• 01:46 Parallelizable Attributes and Test Fixtures
• 02:32 Class Declaration and PageTest
• 03:54 Test Attributes
• 05:05 Asynchronous Tasks and Interacting with Web Elements

In this video, Jared from Commit Quality breaks down a basic Playwright NUnit test file. This is essential to understand as it forms the basis of Playwright tests. The video covers the anatomy of a test file, starting with the using statements and working down through namespaces, parallelizable attributes, test fixtures, class declaration, and test attributes.

• Using statements are C#'s way of importing external packages, such as what was installed with NuGet package manager.
• Namespaces are used in C# to organize and provide a level of separation of code.
• Parallelizable attributes mark a test assembly, fixture, or method that may be run in parallel with others at the same level.
• Test Fixtures mark the class as a test fixture, which contains the actual test methods to be run.
• Inheriting PageTest from Microsoft Playwright gives each test a fresh copy of the web page in a browser context for testing purposes.
• Test attributes mark a method as a test. If this attribute is missing, the test will not show up in the Test Explorer.
• The Task in your test method should be asynchronous as all actions within are asynchronous.
• Page objects are used to interact with the web elements in Playwright tests.

The video demonstrates how understanding the test file can help avoid common pitfalls such as missing test attributes, incorrect usage of asynchronous tasks, and lack of proper page-object management.