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Tech riderRev. 4 Oct 2026

Mamba

Ch 176.7of 29 BDD Testing Tools
  1. 1Runs onLinux
  2. 2CostsFree plan
  3. 3Gherkin supportYes
  4. 4Execution modelocal
4 lines stated Written from the maker's own pages: github.com
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The Mamba homepage

Overview

Mamba is ranked #17 of 29 in BDD testing tools on Specifiction. It runs on Linux. There is a free plan.

Mamba plans and pricing

All plans
Mamba Free MIT-licensed software · installable as a Python package github.com · 4 Oct 2026

Compared on BDD testing tools

Free plan
Yesgithub.com
Gherkin support
Yesgithub.com
Execution mode
localgithub.com

Facts

Purpose
Mamba is a behavior-driven development tool and test runner for Python developers.mamba-bdd.readthedocs.io · 4 Oct 2026
Influences
Its documentation says Mamba is heavily influenced by RSpec, Mocha, Jasmine, and Ginkgo.mamba-bdd.readthedocs.io · 4 Oct 2026
Test structure
Specs use a descriptive DSL with constructs such as description, context, and it.github.com · 4 Oct 2026
Python requirement
The getting-started guide lists Python 2.7 or higher as a prerequisite.mamba-bdd.readthedocs.io · 4 Oct 2026
Installation
The maker documents installation through pipenv or pip as a Python package.mamba-bdd.readthedocs.io · 4 Oct 2026
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.mamba-bdd.readthedocs.io · 4 Oct 2026
Test doubles
The documentation says Mamba does not prescribe a test-double library and mentions Doublex and Mockito as examples.mamba-bdd.readthedocs.io · 4 Oct 2026
Hooks and contexts
The official manual lists hooks, shared contexts, and example groups among its features.mamba-bdd.readthedocs.io · 4 Oct 2026
Filtering
The official manual lists filtering and focused examples as features.mamba-bdd.readthedocs.io · 4 Oct 2026
Formatters
The manual documents progress, documentation, and custom formatters.mamba-bdd.readthedocs.io · 4 Oct 2026
Slow examples
Mamba highlights examples that exceed a configurable time threshold, with a documented default of 0.75 seconds.mamba-bdd.readthedocs.io · 4 Oct 2026
Coverage
Mamba can be run with coverage enabled and generate a .coverage file for an HTML report.mamba-bdd.readthedocs.io · 4 Oct 2026
License
The repository includes the MIT license, which permits use, copying, modification, distribution, sublicensing, and sale subject to its conditions.github.com · 4 Oct 2026
Support and contributions
The maker invites contributions through repository forks and pull requests.nestorsalceda.com · 4 Oct 2026

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