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Vitest

A blazing fast unit test framework powered by Vite.

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Documentation | Getting Started | Examples | Why Vitest?

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Features

Vitest requires Vite >=v2.7.10 and Node >=v14

import { assert, describe, expect, it } from 'vitest'

describe('suite name', () => {
  it('foo', () => {
    expect(1 + 1).toEqual(2)
    expect(true).to.be.true
  })

  it('bar', () => {
    assert.equal(Math.sqrt(4), 2)
  })

  it('snapshot', () => {
    expect({ foo: 'bar' }).toMatchSnapshot()
  })
})
$ npx vitest

Sponsors

Anthony Fu Sponsors

Patak Sponsors

Credits

Thanks to:

Contribution

See Contributing Guide.

License

MIT License © 2021-Present Anthony Fu, Matias Capeletto

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A Vite-native test framework. It's fast!

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