Mamba

Spec sheet

Purpose

Mamba is a behavior-driven development tool and test runner for Python developers.Read 4 Oct 2026 · mamba-bdd.readthedocs.io

License

The repository includes the MIT license, which permits use, copying, modification, distribution, sublicensing, and sale subject to its conditions.Read 4 Oct 2026 · github.com

Assertions

Mamba does not include an assertion mechanism and says it should work with any assertion library, including expects, Hamcrest, should_dsl, sure, or plain Python assertions.Read 4 Oct 2026 · mamba-bdd.readthedocs.io

Coverage

Mamba can be run with coverage enabled and generate a .coverage file for an HTML report.Read 4 Oct 2026 · mamba-bdd.readthedocs.io

Filtering

The official manual lists filtering and focused examples as features.Read 4 Oct 2026 · mamba-bdd.readthedocs.io

Formatters

The manual documents progress, documentation, and custom formatters.Read 4 Oct 2026 · mamba-bdd.readthedocs.io

Hooks and contexts

The official manual lists hooks, shared contexts, and example groups among its features.Read 4 Oct 2026 · mamba-bdd.readthedocs.io

Influences

Its documentation says Mamba is heavily influenced by RSpec, Mocha, Jasmine, and Ginkgo.Read 4 Oct 2026 · mamba-bdd.readthedocs.io

Installation

The maker documents installation through pipenv or pip as a Python package.Read 4 Oct 2026 · mamba-bdd.readthedocs.io

Python requirement

The getting-started guide lists Python 2.7 or higher as a prerequisite.Read 4 Oct 2026 · mamba-bdd.readthedocs.io

Slow examples

Mamba highlights examples that exceed a configurable time threshold, with a documented default of 0.75 seconds.Read 4 Oct 2026 · mamba-bdd.readthedocs.io

Support and contributions

The maker invites contributions through repository forks and pull requests.Read 4 Oct 2026 · nestorsalceda.com

Test doubles

The documentation says Mamba does not prescribe a test-double library and mentions Doublex and Mockito as examples.Read 4 Oct 2026 · mamba-bdd.readthedocs.io

Test structure

Specs use a descriptive DSL with constructs such as description, context, and it.Read 4 Oct 2026 · github.com

Plans and prices

Every Mamba plan and price →

Where Specifiction places it

• BDD Testing Tools#20 of 307.3