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fix(coverage): workspaces c8 source maps (#3226)
authored by
Ari Perkkiö
and committed by
GitHub
(Apr 27, 2023, 8:19 AM +0200)
efce3b4d
8d4606eb
+57
-3
+6
pnpm-lock.yaml
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pnpm-lock.yaml
···
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test/workspaces:
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devDependencies:
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'@types/istanbul-lib-coverage':
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specifier: ^2.0.4
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version: 2.0.4
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istanbul-lib-coverage:
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specifier: ^3.2.0
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version: 3.2.0
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jsdom:
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specifier: latest
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version: 21.1.1
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test/workspaces/package.json
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test/workspaces/package.json
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"type": "module",
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"private": true,
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"scripts": {
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"test": "vitest",
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"coverage": "vitest run --coverage"
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"test": "pnpm test:workspace && pnpm test:coverage",
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"test:workspace": "vitest run",
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"test:coverage": "vitest run --root coverage-report-tests"
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},
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"devDependencies": {
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"@types/istanbul-lib-coverage": "^2.0.4",
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"istanbul-lib-coverage": "^3.2.0",
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"jsdom": "latest",
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"vitest": "workspace:*"
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}
+1
test/workspaces/vitest.config.ts
+1
test/workspaces/vitest.config.ts
+5
-1
packages/coverage-c8/src/provider.ts
+5
-1
packages/coverage-c8/src/provider.ts
···
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const sourceMapMeta: Record<SourceMapMeta['url'], MapAndSource> = {}
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const extensions = Array.isArray(this.options.extension) ? this.options.extension : [this.options.extension]
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const fetchCache = this.ctx.projects.map(project =>
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Array.from(project.vitenode.fetchCache.entries()),
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).flat()
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const entries = Array
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.from(this.ctx.vitenode.fetchCache.entries())
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.from(fetchCache)
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.filter(entry => report._shouldInstrument(entry[0]))
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.map(([file, { result }]) => {
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if (!result.map)
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test/workspaces/coverage-report-tests/check-coverage.test.ts
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test/workspaces/coverage-report-tests/check-coverage.test.ts
···
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import { existsSync, readFileSync } from 'node:fs'
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import { normalize } from 'node:path'
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import { expect, test } from 'vitest'
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import libCoverage from 'istanbul-lib-coverage'
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import { resolve } from 'pathe'
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test('coverage exists', () => {
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expect(existsSync('./coverage')).toBe(true)
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expect(existsSync('./coverage/index.html')).toBe(true)
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})
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test('file coverage summary matches', () => {
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const coverageJson = JSON.parse(readFileSync('./coverage/coverage-final.json', 'utf-8'))
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const coverageMap = libCoverage.createCoverageMap(coverageJson)
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const fileCoverage = coverageMap.fileCoverageFor(normalize(resolve('./src/math.ts')))
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// There should be 1 uncovered branch and 1 uncovered function. See math.ts.
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const { branches, functions } = fileCoverage.toSummary()
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expect(branches.total - branches.covered).toBe(1)
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expect(functions.total - functions.covered).toBe(1)
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})
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test/workspaces/coverage-report-tests/vitest.config.ts
+7
test/workspaces/coverage-report-tests/vitest.config.ts
+11
test/workspaces/src/math.ts
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test/workspaces/src/math.ts
···
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/* eslint-disable unused-imports/no-unused-vars */
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export function sum(a: number, b: number) {
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if (a === 3 && b === 4) {
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// This should be uncovered
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return 7
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}
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return a + b
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}
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function uncoveredFunction() {
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// This should be uncovered
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return 1
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}