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Top 14 Python testing-framework Projects
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molecule
An ansible-native testing framework for collections, playbooks, and roles with configurable workflows for testing any system or service
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Stream
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
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cli
a lightweight, security focused, BDD test framework against terraform. (by terraform-compliance)
- Project mention: CrossHair: Analysis [Python] that blurs the line between testing and [types] | news.ycombinator.com | 2024-12-24
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hitchstory
Type-safe YAML integration tests. Tests that write your docs. Tests that rewrite themselves.
- Project mention: ATC/OSDI '25 Joint Keynote: Accelerating Software Dev: The LLM (R)Evolution [video] | news.ycombinator.com | 2025-09-08
- https://github.com/plasma-umass/coverup
Slipcover: Nearly zero-overhead code coverage analysis for Python
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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ContextCheck
MIT-licensed Framework for LLMs, RAGs, Chatbots testing. Configurable via YAML and integrable into CI pipelines for automated testing.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).
Python testing-framework discussion
Python testing-framework related posts
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CrossHair: Analysis [Python] that blurs the line between testing and [types]
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Symbolic Execution by Overloading __bool__
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Contracts for C++ (DbC) [pdf]
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A Better Way to Code: Documentation Driven Development
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Hitchstory – Type-safe StrictYAML Python integration testing framework
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Winner of the SF Mistral AI Hackathon: Automated Test Driven Prompting
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Prompt Engineering Testing Framework
- A note from our sponsor - InfluxDB www.influxdata.com | 23 Dec 2025
Index
What are some of the best open-source testing-framework projects in Python? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | molecule | 4,043 |
| 2 | cli | 1,431 |
| 3 | CrossHair | 1,236 |
| 4 | deepstate | 845 |
| 5 | nose2 | 819 |
| 6 | hitchstory | 101 |
| 7 | coverup | 98 |
| 8 | ContextCheck | 88 |
| 9 | pytypest | 59 |
| 10 | AutoControlGUI | 44 |
| 11 | flask-unittest | 43 |
| 12 | op-test | 38 |
| 13 | LuluTest | 16 |
| 14 | testa | 10 |
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