Comparison

pytest vs TestNG

On the evidence we track, pytest leads this comparison with a composite score of 73/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
pytest73
TestNG60
Score
Vioscale score
pytest73 / 100medium · 67%
TestNG60 / 100low · 46%
Pricing
Free tier
pytest
TestNG
Model
Price level
pytestfree
TestNGfree
Integrations
Count
pytest
TestNG4
Reliability
Status page
pytest
TestNG
Adoption
Dependent repos
pytest283,154
TestNG112,338
Github stars
pytest14,444
TestNG2,059
Package downloads weekly
TestNG
Stackoverflow questions
pytest30,000
TestNG
Activity
Commits last 30d
pytest100
TestNG100
Release
Cadence days
pytest46
TestNG103
History
pytest20 items
TestNG12 items
License
Spdx
pytestMIT
Language
Primary
pytestPython
TestNGJava
Market
Content
Faq
pytest8 items
TestNG

Capabilities

Feature-by-feature on the axes that matter for testing tools. “-” means undocumented, not absent.

Core
Test types
pytest-
TestNG-
Browser automation
pytest-
TestNG
Built-in assertion library
pytest
TestNG
Languages
pytestPython
TestNGJava
Isolation
Mocking / stubbing
pytest-
TestNG-
Techniques
Snapshot testing
pytest-
TestNG-
Performance
Parallel execution
pytest-
TestNG
Insight
Code coverage
pytest-
TestNG-
DX
Watch mode
pytest-
TestNG-
Ops
CI integration
pytest-
TestNG

What each one is

The product in its own terms, so the numbers below have context.

pytest

Leader

A testing framework for Python that enables developers to write readable, straightforward test cases while scaling to handle sophisticated functional testing requirements for applications and libraries.

Independently observed

TestNG

Java testing framework providing test annotations, XML configuration, parameters, dependencies, parallel execution, and integration with build tools and IDEs.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

pytest

Leader
Open sourceFree tier

Free and open source. Enterprise support available via Tidelift.

  • Community (Open Source)Free
    • Detailed assertion introspection
    • Auto-discovery of test modules
    • Modular fixtures
    • unittest compatibility
    • 1300+ external plugins
  • Enterprise SupportContact sales
as of verify ↗

TestNG

Open source

Open source

as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
CLI
pytest
TestNG
Deployment
Self-hosted
pytest
TestNG

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

pytest

Leader

Not documented yet.

TestNG

4 total
  • Eclipse
  • IntelliJ
  • Maven
  • Gradle
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.

pytest vs TestNG: an evidence-based comparison · Vioscale