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Agent skill

Dynamo Unit Testing

by DynamoDS in DynamoDS/Dynamo

Write comprehensive NUnit tests for the Dynamo codebase following Dynamo testing patterns, conventions, and architectural constraints.

Apache-2.0Auto-check passedTesting & QA

Install Dynamo Unit Testing

skills CLI
$ npx skills add DynamoDS/Dynamo --skill dynamo-unit-testing -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install DynamoDS/Dynamo dynamo-unit-testing --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/DynamoDS/Dynamo.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/dynamo-unit-testing .claude/skills/dynamo-unit-testing && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
dynamo-unit-testing
GitHub stars
2k
Token cost
~622 tokens
SKILL.md length
222 words
Files
3 (incl. references, assets)
Skills in repo
13
Repo updated
First seen
Licence
Apache-2.0

At a glance

Write comprehensive NUnit tests for the Dynamo codebase following Dynamo testing patterns, conventions, and architectural constraints.

  • Works in 3 steps: Choose Your Base Class → Apply Testing Standards → Write Focused Tests
  • Writing test methods
  • SKILL.md covers When to use, When not to use, Inputs expected and Output format, plus 3 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Dynamo Unit Testing is an agent skill from DynamoDS/Dynamo. Write comprehensive NUnit tests for the Dynamo codebase following Dynamo testing patterns, conventions, and architectural constraints. Use this skill when writing test methods, test classes, setting up test infrastructure, mocking dependencies, testing with .dyn files, or reviewing test code in Dynamo.

Its SKILL.md is about 620 tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files, including reference files and assets (for example `assets/test-patterns.md` and `references/quality-checklist.md`).

It sits in Testing & QA, covering Unit testing and Test strategy. The repository describes itself as: Open Source Graphical Programming for Computational Design and Automation. The licence is Apache-2.0.

When your agent uses it

  • Writing test methods
  • Setting up test infrastructure
  • Mocking dependencies
  • Testing with .dyn files

Example prompts

  • “/dynamo-unit-testing”

Workflow steps

3 steps, taken from the step headings in SKILL.md.

  1. Choose Your Base Class
  2. Apply Testing Standards
  3. Write Focused Tests

What it can do on your machine

Read from SKILL.md and the folder at commit 8cadc02. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Dynamo Unit Testing loads about 622 tokens when it runs, and up to ~1.6k if it reads all its reference files. Until then it costs about 81 tokens; SKILL.md has 222 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~81
When it runs · the whole SKILL.md, loaded when a task matches
~622
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.6k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from DynamoDS/Dynamo at commit 8cadc02, republished under its Apache-2.0 licence (© DynamoDS). 222 words, ~622 tokens.

Download SKILL.mdSave it as .claude/skills/dynamo-unit-testing/SKILL.md (or your agent's skills folder). This skill also uses 2 other files; get the full folder from GitHub.
name
dynamo-unit-testing
description
Write comprehensive NUnit tests for the Dynamo codebase following Dynamo testing patterns, conventions, and architectural constraints. Use this skill when writing test methods, test classes, setting up test infrastructure, mocking dependencies, testing with .dyn files, or reviewing test code in Dynamo.

Dynamo Unit Testing

When to use

  • Writing new test methods or test classes for Dynamo components
  • Setting up test infrastructure (base classes, setup/teardown)
  • Testing nodes, workspaces, or UI components
  • Working with .dyn test files or sample graphs
  • Reviewing existing tests for quality and patterns
  • Debugging test failures or flaky tests

When not to use

  • General coding questions -- use dynamo-dotnet-expert instead
  • Architecture questions -- use dynamo-onboarding instead
  • PR descriptions -- use dynamo-pr-description instead

Inputs expected

Test requirements, failing functionality to test, existing code to cover, or test code to review.

Output format

Complete test classes with proper setup, test methods using Dynamo patterns, and explanations of testing approach.

Workflow

🚀 Quick Start: test-patterns.md has ready-to-use templates

1. Choose Your Base Class

Select the appropriate test base class based on what you're testing:

  • UnitTestBase - Utilities, algorithms, no Dynamo model needed
  • DynamoModelTestBase - Nodes, workspaces, commands (most common)
  • DSEvaluationUnitTestBase - DesignScript expression evaluation
2. Apply Testing Standards
3. Write Focused Tests

One behavior per test, descriptive names, Arrange-Act-Assert structure.

Testing Principles

  • NUnit only - Use NUnit framework exclusively (never xUnit/MSTest)
  • One behavior per test - Each test validates exactly one scenario
  • Pragmatic .dyn testing - .dyn file tests allowed in unit categories for focused functionality

Documentation

Assets & References:

Related Skills:

  • dynamo-dotnet-expert
  • dynamo-onboarding

© DynamoDS, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 2 other files (references, assets) in .claude/skills/dynamo-unit-testing of DynamoDS/Dynamo.

  • SKILL.md
  • assets/test-patterns.md
  • references/quality-checklist.md

Open the folder on GitHubat commit 8cadc02

Compare with similar skills

Dynamo Unit Testing next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Dynamo Unit Testing compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Dynamo Unit Testing this skillDynamoDS/Dynamo2k—~622Automated safety check: PassApache-2.0
Testing OpenLogi UIAprilNEA/OpenLogi23k—~1.1kAutomated safety check: PassApache-2.0
Testing Hashqlhashintel/hash1.7k—~1.9kAutomated safety check: PassAGPL-3.0
Handsontable Unit Testinghandsontable/handsontable22k—~1.2kAutomated safety check: PassCustom licence
Agent Testerruvnet/ruflo74k2 repos~2.1kAutomated safety check: PassMIT
Testing Strategiestheexperiencecompany/gaia3081 repos~1.9kAutomated safety check: PassCustom licence

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All 13 skills in this repo

  • Dynamo Jira Ticket

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  • Dynamo Dotnet Expert

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  • Dynamo Onboarding

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  • Dynamo PR Description

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  • Dynamo Skill Writer

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  • Dynamo UX Designer

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Categories

Questions about Dynamo Unit Testing

What does Dynamo Unit Testing do?

Write comprehensive NUnit tests for the Dynamo codebase following Dynamo testing patterns, conventions, and architectural constraints. Dynamo Unit Testing is an agent skill from DynamoDS/Dynamo. Write comprehensive NUnit tests for the Dynamo codebase following Dynamo testing patterns, conventions, and architectural constraints.

When should I use Dynamo Unit Testing?

Dynamo Unit Testing fits situations like: writing test methods; setting up test infrastructure; mocking dependencies; testing with .dyn files.

How do I install Dynamo Unit Testing in Claude Code?

Run `npx skills add DynamoDS/Dynamo --skill dynamo-unit-testing -a claude-code`. Or copy the skill folder (.claude/skills/dynamo-unit-testing in DynamoDS/Dynamo) into .claude/skills/dynamo-unit-testing in your project. Claude Code loads it when a task matches its description.

How do I install Dynamo Unit Testing in Codex?

Run `npx skills add DynamoDS/Dynamo --skill dynamo-unit-testing -a codex`. Or copy the skill folder (.claude/skills/dynamo-unit-testing in DynamoDS/Dynamo) into .agents/skills/dynamo-unit-testing in your project. Codex loads it when a task matches its description.

Can I use Dynamo Unit Testing in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add DynamoDS/Dynamo --skill dynamo-unit-testing -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/dynamo-unit-testing, .gemini/skills/dynamo-unit-testing, .github/skills/dynamo-unit-testing and .opencode/skills/dynamo-unit-testing in your project.

What does Dynamo Unit Testing need to run?

SKILL.md names no scripts, command-line tools or credentials: Dynamo Unit Testing is instructions for the agent only.

Does Dynamo Unit Testing access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Dynamo Unit Testing safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Dynamo Unit Testing use?

Dynamo Unit Testing is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Dynamo Unit Testing use?

About 622 tokens (SKILL.md is roughly 2.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 1k tokens, read only when the agent opens those files.

What are the alternatives to Dynamo Unit Testing?

Skills that share tags, products or a category with Dynamo Unit Testing: Testing OpenLogi UI (AprilNEA/OpenLogi, 23k stars), Testing Hashql (hashintel/hash, 1.7k stars), Handsontable Unit Testing (handsontable/handsontable, 22k stars) and Agent Tester (ruvnet/ruflo, 74k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Dynamo Unit Testing?

DynamoDS (a GitHub organization) maintains it in DynamoDS/Dynamo, which has 2,033 GitHub stars. The repository holds 13 skills in this directory. The repository was last updated on October 7, 2026.

Source: DynamoDS/Dynamo on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.