55 lines
2.2 KiB
TypeScript
55 lines
2.2 KiB
TypeScript
import * as path from 'node:path'
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import { describe, expect, it } from 'vitest'
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import { electronBinaryName, electronDistCandidates, pathLookupCommand } from './electron-binary'
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// Platform is a parameter everywhere below rather than read from
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// process.platform, so the Windows rules are pinned on the Linux CI runner too.
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// Reading the real platform would leave every Windows-only rule untested.
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describe('electronBinaryName', () => {
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it('asks for electron.exe on Windows', () => {
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expect(electronBinaryName('win32')).toBe('electron.exe')
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})
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it('asks for a bare electron everywhere else', () => {
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expect(electronBinaryName('linux')).toBe('electron')
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expect(electronBinaryName('darwin')).toBe('electron')
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})
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})
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describe('electronDistCandidates', () => {
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const desktop = path.join('repo', 'apps', 'desktop')
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const repo = 'repo'
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it('probes the workspace-local install before the hoisted one', () => {
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// npm only hoists `electron` to the repo root when nothing conflicts, so
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// apps/desktop/node_modules is an ordinary outcome of `npm install`, not a
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// broken tree. Probing only the repo root is what makes the suite refuse to
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// start with "run npm install" on a tree that has electron installed.
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expect(electronDistCandidates([desktop, repo], 'linux')).toEqual([
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path.join(desktop, 'node_modules', 'electron', 'dist', 'electron'),
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path.join(repo, 'node_modules', 'electron', 'dist', 'electron'),
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])
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})
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it('carries the platform binary name into every candidate', () => {
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// A bare `electron` file never exists in a Windows dist, so a probe built
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// from a hardcoded name cannot match there no matter which root it walks.
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for (const candidate of electronDistCandidates([desktop, repo], 'win32')) {
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expect(path.basename(candidate)).toBe('electron.exe')
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}
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})
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})
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describe('pathLookupCommand', () => {
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it('uses where on Windows and which elsewhere', () => {
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// `which` is not a command on Windows; spawning it unconditionally made the
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// PATH fallback fail for a reason unrelated to whether electron is on PATH.
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expect(pathLookupCommand('win32')).toBe('where')
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expect(pathLookupCommand('linux')).toBe('which')
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expect(pathLookupCommand('darwin')).toBe('which')
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})
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})
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