Prompt file imported from haslam93/FY26---Advanced-GitHub-Copilot-Workshop (.github/prompts/generate-tests.prompt.md). Fill in {{selection}} before use. Copyright stays with the author.

Generate xUnit Tests

Generate a complete set of xUnit unit tests for the following C# code.

Requirements

• Use xUnit as the test framework
• Use Moq for all dependencies
• Follow the naming pattern: MethodName_StateUnderTest_ExpectedBehavior
• Include Arrange / Act / Assert sections with comments
• Test each public method independently
• Cover:
  • Happy path (valid inputs, expected success)
  • Edge cases (null inputs, empty collections, boundary values)
  • Exception scenarios (what should throw and when)
• Use [Theory] with [InlineData] for parameterised tests where appropriate

Code to Test

{{selection}}

Output Format

Provide:

1. The full test class with all using statements
2. A // WHY: comment on any non-obvious test case explaining what scenario it covers
3. A summary table at the end listing each method and what was covered