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[READ-ONLY] Mirror of https://github.com/vitest-dev/vitest. Next generation testing framework powered by Vite. vitest.dev
test testing-tools vite
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3.5 kB · 118 lines
TypeScript
at v2
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119import type { FileCoverageData } from 'istanbul-lib-coverage'import type { TestFunction } from 'vitest'import type { UserConfig } from 'vitest/node'import { readFileSync } from 'node:fs'import { resolve } from 'node:path'import { fileURLToPath } from 'node:url'import { stripVTControlCharacters } from 'node:util'import libCoverage from 'istanbul-lib-coverage'import { normalize } from 'pathe'import { vi, describe as vitestDescribe, test as vitestTest } from 'vitest'import * as testUtils from '../test-utils'
export function test(name: string, fn: TestFunction, skip = false) { if (process.env.COVERAGE_TEST !== 'true') { return vitestTest.skipIf(skip)(name, fn) }}
export function describe(name: string, fn: () => void) { if (process.env.COVERAGE_TEST !== 'true') { return vitestDescribe(name, () => fn()) }}
export function coverageTest(name: string, fn: TestFunction) { if (process.env.COVERAGE_TEST === 'true') { return vitestTest(name, fn) }}
export async function runVitest(config: UserConfig, options = { throwOnError: true }) { const provider = process.env.COVERAGE_PROVIDER as any
const result = await testUtils.runVitest({ config: 'fixtures/configs/vitest.config.ts', pool: 'threads', ...config, env: { COVERAGE_TEST: 'true', ...config.env, }, coverage: { enabled: true, reporter: [], ...config.coverage, provider, customProviderModule: provider === 'custom' ? 'fixtures/custom-provider' : undefined, }, browser: { enabled: process.env.COVERAGE_BROWSER === 'true', headless: true, name: 'chromium', provider: 'playwright', }, })
if (options.throwOnError) { if (result.stderr !== '') { throw new Error(`stderr:\n${result.stderr}\n\nstdout:\n${result.stdout}`) } }
return result}
/** * Read JSON coverage report from file system. * Normalizes paths to keep contents consistent between OS's */export async function readCoverageJson(name = './coverage/coverage-final.json') { const jsonReport = JSON.parse(readFileSync(name, 'utf8')) as Record<string, FileCoverageData>
const normalizedReport: typeof jsonReport = {}
for (const [filename, coverage] of Object.entries(jsonReport)) { coverage.path = normalizeFilename(coverage.path) normalizedReport[normalizeFilename(filename)] = coverage }
return normalizedReport}
/** * Read coverage report from file system as Istanbul's `CoverageMap` */export async function readCoverageMap(name = './coverage/coverage-final.json') { const coverageJson = await readCoverageJson(name) return libCoverage.createCoverageMap(coverageJson)}
export function normalizeFilename(filename: string) { return normalize(filename) .replace(normalize(process.cwd()), '<process-cwd>') .replace(normalize(resolve(process.cwd(), '../../')), '<project-root>')}
export function isV8Provider() { return process.env.COVERAGE_PROVIDER === 'v8'}
export function isBrowser() { return process.env.COVERAGE_BROWSER === 'true'}
export function normalizeURL(importMetaURL: string) { return normalize(fileURLToPath(importMetaURL))}
export function captureStdout() { const spy = vi.fn() const original = process.stdout.write process.stdout.write = spy
return function collect() { process.stdout.write = original return stripVTControlCharacters(spy.mock.calls.map(call => call[0]).join('')) }}