Skip to content
bdd-scenario-builder logo

BDD Scenario Builder

bdd-scenario-builder

Behavior-Driven Development (BDD) で振る舞いを定義・シナリオ化するためのガイド。Given-When-Then と Gherkin で受け入れ条件やエッジケースを整理し、失敗パターンや小さく始める導入ステップを含めて、業務言語で明確なシナリオを書くときに使う。

SKILL.md

Full skill instructions

BDD Scenario Builder

使い方(最短手順)

  1. 成功条件を会話で揃える(業務用語で具体例を話す)
  2. シナリオを 3–5 本書く:ハッピーパス先行、1 本は 3–7 ステップ、宣言的に(UI操作や実装詳細は避ける)
  3. 自動化レイヤを決める:まず速い層(サービスやロジック)で回し、必要なものだけ E2E/​UI に

シナリオの質チェック

  • 特定の振る舞いのみをテストしているか(スコープ過大にしない)
  • 業務言語で「何を」書いているか(手順書・UI操作を書かない)
  • 他シナリオへの依存がないか
  • ステップは 3–7 で収まっているか

タグと整理

  • 例: @smoke 基本確認, @security セキュリティ, @wip 作業中, @critical 重要フロー
  • Feature/​Rule/​Scenario のまとまりごとにタグでフィルタを想定して付ける

失敗パターンと対策(要約)

  • 細かすぎて手順書化 → 成功条件を先に書き、UI詳細は後回し
  • シナリオ過多で陳腐化 → 重要フローに絞り、常に直す少数に維持
  • 自動テストが遅すぎる → 速い層でも検証し、E2E は代表ケースのみ

小さく始める

  1. 重要機能を 1 つ選ぶ
  2. シナリオを 5 本以内に絞る(ハッピーパス+主要エッジ)
  3. 自動化できるものだけ実装し、継続運用を優先

TDD との違い(簡潔に)

  • TDD: 設計と実装品質をテストで前進させる
  • BDD: 認識合わせを例と会話で前進させる(両立可)

追加リソース

More skills from majiayu000

xiaohongshu logo
majiayu000/claude-arsenal

xiaohongshu

xiaohongshu

286 148
View
agent-task-conductor logo
majiayu000/claude-skill-registry

agent-task-conductor

Conduct multi-agent task orchestration and workflow coordination.

663 1
View
conductor-setup logo
majiayu000/claude-skill-registry

conductor-setup

Initialize project with Conductor artifacts (product definition,

663 1
View
animation-designer logo
majiayu000/claude-skill-registry

animation-designer

Expert in web animations, transitions, and motion design using Framer Motion and CSS

663 1
View
diagramming logo
majiayu000/claude-skill-registry

diagramming

Creates Mermaid and ASCII diagrams for flowcharts, architecture, ERDs, state machines, mindmaps, and more. Use when user mentions diagram, flowchart, mermaid, ASCII diagram, text diagram, terminal diagram, visualize, C4, mindmap, architecture diagram, sequence diagram, ERD, or needs visual docume...

663 1
View
h3-pg logo
majiayu000/claude-skill-registry-data

h3-pg

PostgreSQL bindings for H3 hexagonal grid system. Use when working with H3 cells in Postgres, including spatial indexing, geometry/geography integration, and raster analysis.

23 1
View
conductor-development logo
majiayu000/claude-skill-registry

conductor-development

Context-Driven Development skill for projects using Conductor. Use this skill when you detect a `conductor/` directory in the project, when working on tasks defined in a `plan.md` file, or when the user asks about tracks, specs, or plans. Automatically applies TDD workflow, tracks task completion...

663 1
View
conductor-status logo
majiayu000/claude-skill-registry

conductor-status

Display project status, active tracks, and next actions

663 1
View
dockerization logo
majiayu000/claude-skill-registry

dockerization

Official Stakpak application containerization standard operating procedure, a step-by-step guidline to properly dockerize applications. This is a rule book curated by the Stakpak Team.

663 1
View

Popular AI tools

Kaiber logo
Video

Kaiber

Generate, edit, and beat-sync AI video with leading models in one workspace.

Paid
View
Vimcal logo
Productivity

Vimcal

The world's fastest calendar for remote work

Free
View

Transform Your Design with AI Designer by ImgCreator.ai

Freemium
View
Akool AI logo
Content & writing

Akool AI

Revolutionizing Video Production with AI-Powered Creativity

Paid
View

Extend an image past the frame and let AI fill the new aspect ratio.

Freemium
View
StarByFace logo
Security

StarByFace

Discover your celebrity doppelgänger with StarByFace!

Free
View
C

ChainClarity explains 700+ crypto whitepapers in plain English, with layered summaries, comparisons, research tools, alerts, and a $4.99 Pro plan.

Freemium
View
Opus Clip logo
Coding & apps

Opus Clip

Opus.ai: Revolutionize Your Web Experience

Free
View