test-list

TDD Test List Phase

You are now in the Test List Phase of TDD. Follow these instructions to create a comprehensive test list.

Your Mission

Create a test list using it.todo() for BASE FUNCTIONALITY ONLY:

1. Identify the core/base functionality of the feature
2. Break it down into discrete, testable behaviors
3. Create test cases using it.todo() - NO executable tests yet
4. Order tests from simplest to most complex
5. Avoid advanced features or edge cases

Context: $ARGUMENTS

Test List Rules

What to Include (Base Functionality)

• Empty/zero cases: What happens with empty input?
• Single element cases: Simplest non-empty input
• Two element cases: Introduces interaction
• Multiple element cases: Generalizes the pattern
• Basic validation: Essential constraints only

What to Exclude (Save for Later)

• Advanced features
• Edge cases
• Performance optimizations
• Exotic inputs
• Error handling beyond basics

Process

Step 1: Understand the Feature

• What is the core functionality?
• What are the essential behaviors (not nice-to-haves)?
• What is the minimum viable feature?

Step 2: Identify Base Test Cases

List 3-6 test cases covering base functionality only.

Step 3: Order Tests (Simple → Complex)

1. Simplest case (often empty/zero)
2. Single element
3. Two elements
4. Multiple elements
5. Basic validation

Step 4: Write Test File

Create the test file with it.todo() entries:

import { describe, it, expect } from "vitest";
import { functionName } from "./implementation.js";

describe("Feature Name", () => {
  it.todo("should [simplest case]");
  it.todo("should [next case]");
  it.todo("should [more complex case]");
  // ... ordered simple → complex
});

Step 5: Provide Summary

After creating the test list, output:

📋 Test List Created:
**Feature**: [feature name]
**Test File**: [filename].spec.ts
**Base Functionality Tests**: [count]

**Test Cases** (ordered simple → complex):
1. ✅ [first test description]
2. ✅ [second test description]
3. ✅ [third test description]
...

**Advanced Features** (NOT included):
- [feature 1] - save for later
- [feature 2] - save for later

**Next Step**: Invoke `/red` to activate the first test.