testing Cursor ruleA

testing from coddy-project/coddy-agent is a Cursor rule: instructions the Cursor agent follows in that repo.

Install it, pinned
mdr add coddy-project/coddy-agent/internal/skills/bundled/rpa-gen-rules/references/cursor-examples/.cursor/rules/testing.mdc@git:20260915.d1860cb

Pins git:20260915.d1860cb in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 14 of 14 checks passed
Kind
Cursor rule
Repository
coddy-project/coddy-agent
Path
internal/skills/bundled/rpa-gen-rules/references/cursor-examples/.cursor/rules/testing.mdc
Versions recorded
1
Latest version
git:20260915.d1860cb, committed Sep 15, 2026
Size
3,482 bytes
Repository stars
178
License
MIT

Test writing rules.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Test Writing Rules

## General Principles

1. **Coverage**: Aim for code coverage >90%
2. **One class at a time**: When creating new class, write tests for it immediately
3. **Isolation**: Each test must be independent
4. **Readability**: Test names should describe what is being tested

## Test Structure

### Naming
- Test file: `test_<module_name>.py`
- Test class: `Test<ClassName>`
- Test method: `test_<what_is_tested>`

### Test Class Structure
```python
class TestSearchController:
    """Test suite for SearchController."""

    @pytest.fixture
    def search_controller(self, realistic_data_path):
        """SearchController loaded with realistic test data."""
        return SearchController(str(realistic_data_path))

    def test_some_functionality(self, search_controller):
        """Test description."""
        # Arrange
        # Act
        # Assert
```

## Test Types

### Unit Tests
- Test individual modules in isolation
- Use mocks for dependencies
- Fast and deterministic

### Integration Tests
- Test interaction between modules
- Use real data from `tests/test_data/`
- Test through HTTP API using `TestClient`

### Performance Tests
- Check hash index performance
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add coddy-project/coddy-agent/internal/skills/bundled/rpa-gen-rules/references/cursor-examples/.cursor/rules/testing.mdc@sha256:70e9d5b7a1ce8488

The line at the top of this page pins the label git:20260915.d1860cb, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_b5p3cnqeyorwuqsm.svg)](https://markdownregistry.com/a/art_b5p3cnqeyorwuqsm)

1 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 1 version of this file, committed on Sep 15, 2026.

versioncommittedcommitsizeaudit
git:20260915.d1860cb latest2026-09-15 d1860cb 3,482 BA view

Audit of the latest version

A  14 of 14 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Size between 200 bytes and 200 KB (3482 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

coddy-project/coddy-agent · 178 stars · license MIT · pushed 2026-10-20 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_b5p3cnqeyorwuqsm
GET https://markdownregistry.com/api/v1/resolve?ref=coddy-project/coddy-agent/internal/skills/bundled/rpa-gen-rules/references/cursor-examples/.cursor/rules/testing.mdc
GET https://markdownregistry.com/api/v1/blob/70e9d5b7a1ce8488afdd7226c272c43f9e73b170cb5bd6e27879ee3387ce4ea3

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: Cursor rules vs AGENTS.md · which agent file does what.

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