Tdd Workflow

/tdd-workflow

Spawns the tdd-guide agent to enforce TDD discipline throughout an implementation task, including verification checkpoints at each step.

Steps

1. Gather context — understand what needs TDD guidance:

   • If arguments are provided (feature description, bug to fix, files to refactor), use those
   • Otherwise, ask the user what they are implementing
   • Detect the test framework and test command from .claude-toolkit.json or auto-detection
   • Identify existing test files related to the scope

2. Spawn the agent — use the Task tool:

   Task tool with subagent_type="tdd-guide"
   

   Pass in the prompt:

   • The task description (feature, bug fix, or refactor)
   • The test command and framework
   • Existing test file paths for the affected modules
   • Any relevant source files for context

3. Present guidance — relay the agent's TDD plan:

   • Ordered list of test cases to write (red phase)
   • Minimum implementation for each test (green phase)
   • Refactoring suggestions after tests are green
   • Verification checkpoints between each cycle:
     • Type check / compile passes
     • Lint passes
     • All tests pass (no regressions)
     • Runtime verification (app starts, endpoints respond)

4. Offer follow-up actions:

   • "Start first test?" — write the first failing test
   • "Verify checkpoint?" — run the full verification loop
   • "Review coverage?" — check what is tested and what is missing

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