Mamba

5.5easy start · #25 of 29
in BDD Testing Tools

Free to practise onnot on record
Free trialnot on record
Well documentednot on record
Runs where you worknot on record

Runs on Linux.

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Mamba is ranked #25 of 29 in BDD testing tools on The Geeks Club. It runs on Linux. There is a free plan.

Mamba plans and pricing

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

Compared on BDD testing tools

Free plan: Yes
Gherkin support: Yes
Execution mode: local

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The record

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

Where it ranks on The Geeks Club

Best BDD Testing Tools in 2026#25 of 29

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Sources

mamba-bdd.readthedocs.io/en/latest/· checked 4 Oct 2026
github.com/nestorsalceda/mamba· checked 4 Oct 2026
mamba-bdd.readthedocs.io/en/latest/getting-started.html· checked 4 Oct 2026
mamba-bdd.readthedocs.io/en/latest/integration.html· checked 4 Oct 2026
mamba-bdd.readthedocs.io/en/latest/other-features.html· checked 4 Oct 2026
github.com/nestorsalceda/mamba/blob/master/COPYING· checked 4 Oct 2026
nestorsalceda.com/mamba/· checked 4 Oct 2026