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Testify vs Mocha: open-source unit testing and test runners tools compared

Metrics as of , from the GitHub or GitLab API of each repository. Refreshed monthly.

Summary

Testify: Go packages for assertions, mocks and struct-based test suites that run under go test.

Mocha: JavaScript test framework for Node.js and the browser with BDD, TDD and other interfaces.

Both are listed under Unit testing and test runners. The table gives repository metrics from the GitHub API with their fetch date, then the documented facts used for every comparison in this category, each linked to the README or docs page it comes from. A cell reads "not documented" when the fact was not found in the project's documentation (3 of 12 fact cells here); that does not mean the feature is absent.

Side by side

Testify and Mocha: metrics and documented facts, in the fixed row order used for unit testing and test runners comparisons.
FactTestifyMocha
Stars26,211122,8971
Forks1,91513,1541
Contributors32316171
Last release2026-08-1912026-09-171
Last commit2026-09-0212026-09-191
Commits in 90 days1411301
LicenseMIT1MIT1
Primary languageGo1JavaScript1
Statusactive1active1
Languages for writing testsGo source: READMEJavaScript; TypeScript through Node.js type stripping or a loader such as tsx source: Docs: TypeScript
Test authoring formatCode (Go test functions with the assert, require, mock and suite packages, run with go test) source: READMECode with a selectable interface: BDD (default), TDD, Exports, QUnit, Require source: Docs: About Interfaces
Parallel or distributed executionnot documentednot found in the project's documentation as of --parallel flag running test files in a pool of worker processes source: Docs: Parallel mode
CI integrationnot documentednot found in the project's documentation as of GitHub Actions reporter (--reporter github-actions) with inline failure annotations source: Docs: GitHub Actions reporter
Report formatsnot documentednot found in the project's documentation as of Spec (default), Dot, TAP, JSON, JSON Stream, HTML, XUnit, Markdown, Doc, GitHub Actions and others source: Docs: About Reporters
Install methodgo get github.com/stretchr/testify source: READMEnpm, pnpm or yarn dev dependency (npm i -D mocha) source: Docs: Getting Started

1 Fetched from the GitHub or GitLab API on . Hover a value for its own date.

When each fits

Written from each project's documented scope, not from preference. Neither tool is ranked.

Testify

Fits projects that write tests in Go; its README describes packages for assertions, mocking and test suite interfaces. source: README

Mocha

Fits projects that run JavaScript tests on Node.js or in the browser; its README describes a test framework for Node.js and the browser. source: README

More on these tools

Sources

  1. GitHub REST API: repository, read
  2. GitHub REST API: repository, read
  3. GitHub REST API: contributors, read
  4. GitHub REST API: contributors, read
  5. GitHub REST API: latest release, read
  6. GitHub REST API: latest release, read
  7. GitHub REST API: commits, read
  8. GitHub REST API: commits, read
  9. README, read
  10. Docs: TypeScript, read
  11. Docs: About Interfaces, read
  12. Docs: Parallel mode, read
  13. Docs: GitHub Actions reporter, read
  14. Docs: About Reporters, read
  15. Docs: Getting Started, read
  16. README, read

Documented facts collected 2026-09-22. See the methodology for how metrics and facts are gathered.