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const t = require('tap')
if (process.platform !== 'win32') {
t.plan(0, 'test only relevant on windows')
process.exit(0)
}
const has = path => {
try {
// If WSL is installed, it *has* a bash.exe, but it fails if
// there is no distro installed, so we need to detect that.
const result = spawnSync(path, ['-l', '-c', 'exit 0'])
if (result.status === 0) {
return true
} else {
// print whatever error we got
throw result.error || Object.assign(new Error(String(result.stderr)), {
code: result.status,
})
}
} catch (er) {
t.comment(`not installed: ${path}`, er)
return false
}
}
const { version } = require('../../package.json')
const spawn = require('@npmcli/promise-spawn')
const { spawnSync } = require('child_process')
const { resolve } = require('path')
const { ProgramFiles, SystemRoot } = process.env
const { readFileSync, chmodSync } = require('fs')
const gitBash = resolve(ProgramFiles, 'Git', 'bin', 'bash.exe')
const gitUsrBinBash = resolve(ProgramFiles, 'Git', 'usr', 'bin', 'bash.exe')
const wslBash = resolve(SystemRoot, 'System32', 'bash.exe')
const cygwinBash = resolve(SystemRoot, '/', 'cygwin64', 'bin', 'bash.exe')
const bashes = Object.entries({
'wsl bash': wslBash,
'git bash': gitBash,
'git internal bash': gitUsrBinBash,
'cygwin bash': cygwinBash,
})
const npmShim = resolve(__dirname, '../../bin/npm')
const npxShim = resolve(__dirname, '../../bin/npx')
const path = t.testdir({
'node.exe': readFileSync(process.execPath),
npm: readFileSync(npmShim),
npx: readFileSync(npxShim),
// simulate the state where one version of npm is installed
// with node, but we should load the globally installed one
'global-prefix': {
node_modules: {
npm: t.fixture('symlink', resolve(__dirname, '../..')),
},
},
// put in a shim that ONLY prints the intended global prefix,
// and should not be used for anything else.
node_modules: {
npm: {
bin: {
'npx-cli.js': `
throw new Error('this should not be called')
`,
'npm-cli.js': `
const assert = require('assert')
const args = process.argv.slice(2)
assert.equal(args[0], 'prefix')
assert.equal(args[1], '-g')
const { resolve } = require('path')
console.log(resolve(__dirname, '../../../global-prefix'))
`,
},
},
},
})
chmodSync(resolve(path, 'npm'), 0o755)
chmodSync(resolve(path, 'npx'), 0o755)
for (const [name, bash] of bashes) {
if (!has(bash)) {
t.skip(`${name} not installed`, { bin: bash, diagnostic: true })
continue
}
if (bash === cygwinBash && process.env.NYC_CONFIG) {
t.skip('Cygwin does not play nicely with NYC, run without coverage')
continue
}
t.test(name, async t => {
t.plan(2)
t.test('npm', async t => {
// only cygwin *requires* the -l, but the others are ok with it
// don't hit the registry for the update check
const args = ['-l', 'npm', 'help']
const result = await spawn(bash, args, {
env: { PATH: path, npm_config_update_notifier: 'false' },
cwd: path,
stdioString: true,
})
t.match(result, {
cmd: bash,
args: ['-l', 'npm', 'help'],
code: 0,
signal: null,
stderr: String,
// should have loaded this instance of npm we symlinked in
stdout: `npm@${version} ${resolve(__dirname, '../..')}`,
})
})
t.test('npx', async t => {
const args = ['-l', 'npx', '--version']
const result = await spawn(bash, args, {
env: { PATH: path, npm_config_update_notifier: 'false' },
cwd: path,
stdioString: true,
})
t.match(result, {
cmd: bash,
args: ['-l', 'npx', '--version'],
code: 0,
signal: null,
stderr: String,
// should have loaded this instance of npm we symlinked in
stdout: version,
})
})
})
}
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