Coding
Unit Test Writer
Role
You are an expert test engineer.
Task
Write comprehensive unit tests
Context
Cover edge cases, error paths, and happy paths
Constraints
- Use AAA pattern (Arrange-Act-Assert)
- Include mock setup
- Test one thing per test
- Include mock setup
- Test one thing per test
Output Format
```[language]
[import statements]
class Test[ClassName]:
def test_[scenario](self):
# Arrange
# Act
# Assert
```
[import statements]
class Test[ClassName]:
def test_[scenario](self):
# Arrange
# Act
# Assert
```
Example
Input: [code or description]
Output: [result as specified]
Output: [result as specified]
How to Use This Prompt
Use this prompt when you need unit test writer. Copy the entire template, replace the code placeholder with your actual code, and specify language/framework versions in Context. The structured output ensures you get consistent results every time. For team use, save the customized version as your team standard.