/forked-vitest-canvas-mock

🌗 A module used to mock canvas in Vitest.

Primary LanguageTypeScriptMIT LicenseMIT

vitest-canvas-mock

npm (tag) npm bundle size NPM

Mock canvas when running unit tests with vitest. Uses jest-canvas-mock.

Install

npm install vitest-canvas-mock -D

Usage

  1. Create a new setup file that imports vitest-canvas-mock or add it to an existing setup file.
// vitest.setup.ts
import 'vitest-canvas-mock'
  1. In your vitest.config.ts file, create a setupFiles array and add that file:
import { defineConfig } from 'vitest/config'

export default defineConfig({
  test: {
    setupFiles: ['./vitest.setup.ts'],
    environment: 'jsdom',
    deps: {
      // vitest < 0.34
      inline: ['vitest-canvas-mock'],
      // >= 0.34
      optimizer: {
        web: {
          include: ['vitest-canvas-mock']
        }
      }
    },
    // For this config, check https://github.com/vitest-dev/vitest/issues/740
    // Vitest < 0.1.x
    threads: false,
    // >= 0.1.0
    poolOptions: {
      threads: {
        singleThread: true,
      },
    },
    environmentOptions: {
      jsdom: {
        resources: 'usable',
      },
    },
  },
})

Mock Strategy

View mock strategy doc here.

Snapshots

View snapshots doc here

License

MIT