Acceptance Test-Driven Development (ATDD)

Workflow ID: _bmad/tea/testarch/bmad-testarch-atdd Version: 5.0 (Step-File Architecture)

Overview

Generates failing acceptance tests before implementation (TDD red phase), plus an implementation checklist. Produces tests at appropriate levels (E2E/API/Component) with supporting fixtures and helpers.

WORKFLOW ARCHITECTURE

This workflow uses step-file architecture:

Micro-file Design: Each step is self-contained
JIT Loading: Only the current step file is in memory
Sequential Enforcement: Execute steps in order without skipping

INITIALIZATION SEQUENCE

1. Configuration Loading

From workflow.yaml, resolve:

config_source, test_artifacts, user_name, communication_language, document_output_language, date
test_dir

2. First Step

Load, read completely, and execute: ./steps-c/step-01-preflight-and-context.md

3. Resume Support

If the user selects Resume mode, load, read completely, and execute: ./steps-c/step-01b-resume.md

This checks the output document for progress tracking frontmatter and routes to the next incomplete step.

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