Suggest a tool

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

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

Summary

Jest: JavaScript testing framework with a CLI, watch mode, matchers and snapshot testing.

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

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

Jest and Testify: metrics and documented facts, in the fixed row order used for unit testing and test runners comparisons.
FactJestTestify
Stars45,463126,2111
Forks6,72511,9151
Contributors1,76713231
Last release2026-09-1812026-08-191
Last commit2026-09-1812026-09-021
Commits in 90 days1121141
LicenseMIT1MIT1
Primary languageTypeScript1Go1
Statusactive1active1
Languages for writing testsJavaScript; TypeScript via Babel or ts-jest source: READMEGo source: README
Test authoring formatCode (test files using test() and expect() matchers) source: READMECode (Go test functions with the assert, require, mock and suite packages, run with go test) source: README
Parallel or distributed executionWorker pool sized with --maxWorkers; test suite sharding with --shard source: Docs: Jest CLI Optionsnot documentednot found in the project's documentation as of
CI integration--ci option for CI environments (new snapshots fail instead of being written) source: Docs: Jest CLI Optionsnot documentednot found in the project's documentation as of
Report formatsCoverage reporters clover, JSON, lcov and text by default; default, summary and github-actions test reporters source: Docs: Configuring Jestnot documentednot found in the project's documentation as of
Install methodnpm (npm install --save-dev jest) or yarn (yarn add --dev jest) source: READMEgo get github.com/stretchr/testify source: README

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.

Jest

Fits projects that test JavaScript code, including snapshot tests; its README describes a JavaScript testing solution that works out of the box for most JavaScript projects. source: README

Testify

Fits projects that write tests in Go; its README describes packages for assertions, mocking and test suite interfaces. 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. README, read
  11. Docs: Jest CLI Options, read
  12. Docs: Configuring Jest, read

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