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Red-Green-Refactor: write tests first, then code to make them pass.
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| name | test-driven-development |
| description | Red-Green-Refactor: write tests first, then code to make them pass. |
| version | 1.0.0 |
| author | Open-Agent |
| triggers | ["test","tdd","unit test","pytest","assert","coverage","spec","behavior"] |
| metadata | {"hermes":{"tags":["testing","tdd","quality","code-design"],"related_skills":["systematic-debugging","writing-plans"]}} |
1. RED → Write failing test
2. GREEN → Write minimal code to pass
3. REFACTOR → Clean up while keeping tests green
def test_user_can_login_with_valid_credentials():
...
def test_login_fails_with_wrong_password():
...
def test_something():
# Arrange
setup_state()
# Act
result = do_something()
# Assert
assert result == expected
# Bad
assert user.is_valid()
# Good
assert user.has_permission("read")
assert user.email_verified == True