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const t = require('tap')
const { EventEmitter } = require('events')
const npmConfig = {
usage: false,
viewer: undefined,
loglevel: undefined,
}
let helpSearchArgs = null
const OUTPUT = []
const npm = {
usage: 'test npm usage',
config: {
get: key => npmConfig[key],
set: (key, value) => {
npmConfig[key] = value
},
parsedArgv: {
cooked: [],
},
},
exec: async (cmd, args) => {
if (cmd === 'help-search') {
helpSearchArgs = args
} else if (cmd === 'help') {
return { usage: 'npm help <term>' }
}
},
deref: cmd => {},
output: msg => {
OUTPUT.push(msg)
},
}
const globDefaults = [
'/root/man/man1/npm-whoami.1',
'/root/man/man5/npmrc.5',
'/root/man/man7/disputes.7',
]
let globErr = null
let globResult = globDefaults
let globParam
const glob = (p, cb) => {
globParam = p
return cb(globErr, globResult)
}
let spawnBin = null
let spawnArgs = null
let spawnCode = 0
const spawn = (bin, args) => {
spawnBin = bin
spawnArgs = args
const spawnEmitter = new EventEmitter()
process.nextTick(() => {
spawnEmitter.emit('exit', spawnCode)
})
return spawnEmitter
}
let openUrlArg = null
const openUrl = async (npm, url, msg) => {
openUrlArg = url
}
const Help = t.mock('../../../lib/commands/help.js', {
'../../../lib/utils/open-url.js': openUrl,
child_process: {
spawn,
},
glob,
})
const help = new Help(npm)
t.test('npm help', async t => {
await help.exec([])
t.match(OUTPUT, ['test npm usage'], 'showed npm usage')
})
t.test('npm help completion', async t => {
t.teardown(() => {
globErr = null
})
const noArgs = await help.completion({ conf: { argv: { remain: [] } } })
t.strictSame(noArgs, ['help', 'whoami', 'npmrc', 'disputes'], 'outputs available help pages')
const threeArgs = await help.completion({ conf: { argv: { remain: ['one', 'two', 'three'] } } })
t.strictSame(threeArgs, [], 'outputs no results when more than 2 args are provided')
globErr = new Error('glob failed')
t.rejects(
help.completion({ conf: { argv: { remain: [] } } }),
/glob failed/,
'glob errors propagate'
)
})
t.test('npm help multiple args calls search', async t => {
t.teardown(() => {
helpSearchArgs = null
})
await help.exec(['run', 'script'])
t.strictSame(helpSearchArgs, ['run', 'script'], 'passed the args to help-search')
})
t.test('npm help no matches calls search', async t => {
globResult = []
t.teardown(() => {
helpSearchArgs = null
globResult = globDefaults
})
await help.exec(['asdfasdf'])
t.strictSame(helpSearchArgs, ['asdfasdf'], 'passed the args to help-search')
})
t.test('npm help glob errors propagate', async t => {
globErr = new Error('glob failed')
t.teardown(() => {
globErr = null
spawnBin = null
spawnArgs = null
})
await t.rejects(help.exec(['whoami']), /glob failed/, 'glob error propagates')
})
t.test('npm help whoami', async t => {
globResult = ['/root/man/man1/npm-whoami.1.xz']
t.teardown(() => {
globResult = globDefaults
spawnBin = null
spawnArgs = null
})
await help.exec(['whoami'])
t.equal(spawnBin, 'man', 'calls man by default')
t.strictSame(spawnArgs, [globResult[0]], 'passes the correct arguments')
})
t.test('npm help 1 install', async t => {
npmConfig.viewer = 'browser'
globResult = ['/root/man/man5/install.5', '/root/man/man1/npm-install.1']
t.teardown(() => {
npmConfig.viewer = undefined
globResult = globDefaults
spawnBin = null
spawnArgs = null
})
await help.exec(['1', 'install'])
t.match(openUrlArg, /commands(\/|\\)npm-install.html$/, 'attempts to open the correct url')
t.ok(openUrlArg.startsWith('file:///'), 'opens with the correct uri schema')
})
t.test('npm help 5 install', async t => {
npmConfig.viewer = 'browser'
globResult = ['/root/man/man5/install.5']
t.teardown(() => {
npmConfig.viewer = undefined
globResult = globDefaults
globParam = null
spawnBin = null
spawnArgs = null
})
await help.exec(['5', 'install'])
t.match(globParam, /man5/, 'searches only in man5 folder')
t.match(openUrlArg, /configuring-npm(\/|\\)install.html$/, 'attempts to open the correct url')
})
t.test('npm help 7 config', async t => {
npmConfig.viewer = 'browser'
globResult = ['/root/man/man7/config.7']
t.teardown(() => {
npmConfig.viewer = undefined
globParam = null
globResult = globDefaults
spawnBin = null
spawnArgs = null
})
await help.exec(['7', 'config'])
t.match(globParam, /man7/, 'searches only in man5 folder')
t.match(openUrlArg, /using-npm(\/|\\)config.html$/, 'attempts to open the correct url')
})
t.test('npm help package.json redirects to package-json', async t => {
globResult = ['/root/man/man5/package-json.5']
t.teardown(() => {
globResult = globDefaults
spawnBin = null
spawnArgs = null
})
await help.exec(['package.json'])
t.equal(spawnBin, 'man', 'calls man by default')
t.match(globParam, /package-json/, 'glob was asked to find package-json')
t.strictSame(spawnArgs, [globResult[0]], 'passes the correct arguments')
})
t.test('npm help ?(un)star', async t => {
npmConfig.viewer = 'woman'
globResult = ['/root/man/man1/npm-star.1', '/root/man/man1/npm-unstar.1']
t.teardown(() => {
npmConfig.viewer = undefined
globResult = globDefaults
spawnBin = null
spawnArgs = null
})
await help.exec(['?(un)star'])
t.equal(spawnBin, 'emacsclient', 'maps woman to emacs correctly')
t.strictSame(
spawnArgs,
['-e', `(woman-find-file '/root/man/man1/npm-star.1')`],
'passes the correct arguments'
)
})
t.test('npm help - woman viewer propagates errors', async t => {
npmConfig.viewer = 'woman'
spawnCode = 1
globResult = ['/root/man/man1/npm-star.1', '/root/man/man1/npm-unstar.1']
t.teardown(() => {
npmConfig.viewer = undefined
spawnCode = 0
globResult = globDefaults
spawnBin = null
spawnArgs = null
})
await t.rejects(
help.exec(['?(un)star']),
/help process exited with code: 1/,
'received the correct error'
)
t.equal(spawnBin, 'emacsclient', 'maps woman to emacs correctly')
t.strictSame(
spawnArgs,
['-e', `(woman-find-file '/root/man/man1/npm-star.1')`],
'passes the correct arguments'
)
})
t.test('npm help un*', async t => {
globResult = [
'/root/man/man1/npm-unstar.1',
'/root/man/man1/npm-uninstall.1',
'/root/man/man1/npm-unpublish.1',
]
t.teardown(() => {
globResult = globDefaults
spawnBin = null
spawnArgs = null
})
await help.exec(['un*'])
t.equal(spawnBin, 'man', 'calls man by default')
t.strictSame(spawnArgs, ['/root/man/man1/npm-uninstall.1'], 'passes the correct arguments')
})
t.test('npm help - man viewer propagates errors', async t => {
spawnCode = 1
globResult = [
'/root/man/man1/npm-unstar.1',
'/root/man/man1/npm-uninstall.1',
'/root/man/man1/npm-unpublish.1',
]
t.teardown(() => {
spawnCode = 0
globResult = globDefaults
spawnBin = null
spawnArgs = null
})
await t.rejects(help.exec(['un*']), /help process exited with code: 1/, 'received correct error')
t.equal(spawnBin, 'man', 'calls man by default')
t.strictSame(spawnArgs, ['/root/man/man1/npm-uninstall.1'], 'passes the correct arguments')
})
t.test('npm help with complex installation path finds proper help file', async t => {
npmConfig.viewer = 'browser'
globResult = [
'C:/Program Files/node-v14.15.5-win-x64/node_modules/npm/man/man1/npm-install.1',
// glob always returns forward slashes, even on Windows
]
t.teardown(() => {
npmConfig.viewer = undefined
globResult = globDefaults
spawnBin = null
spawnArgs = null
})
await help.exec(['1', 'install'])
t.match(openUrlArg, /commands(\/|\\)npm-install.html$/, 'attempts to open the correct url')
})
t.test('npm help - prefers npm help pages', async t => {
// Unusual ordering is to get full test coverage of all branches inside the
// sort function.
globResult = [
'/root/man/man6/npm-install.6',
'/root/man/man1/install.1',
'/root/man/man5/npm-install.5',
]
t.teardown(() => {
globResult = globDefaults
spawnBin = null
spawnArgs = null
})
await help.exec(['install'])
t.equal(spawnBin, 'man', 'calls man by default')
t.strictSame(spawnArgs, ['/root/man/man5/npm-install.5'], 'passes the correct arguments')
})
t.test('npm help - works in the presence of strange man pages', async t => {
// Unusual ordering is to get full test coverage of all branches inside the
// sort function.
globResult = [
'/root/man/man6/config.6strange',
'/root/man/man1/config.1',
'/root/man/man5/config.5ssl',
]
t.teardown(() => {
globResult = globDefaults
spawnBin = null
spawnArgs = null
})
await help.exec(['config'])
t.equal(spawnBin, 'man', 'calls man by default')
t.strictSame(spawnArgs, ['/root/man/man1/config.1'], 'passes the correct arguments')
})
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