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const t = require('tap')
const { real: mockNpm } = require('../fixtures/mock-npm.js')
const unsupportedMock = {
checkForBrokenNode: () => {},
checkForUnsupportedNode: () => {},
}
let exitHandlerCalled = null
let exitHandlerNpm = null
let exitHandlerCb
const exitHandlerMock = (...args) => {
exitHandlerCalled = args
if (exitHandlerCb)
exitHandlerCb()
}
exitHandlerMock.setNpm = npm => {
exitHandlerNpm = npm
}
const logs = []
const npmlogMock = {
pause: () => logs.push('pause'),
verbose: (...msg) => logs.push(['verbose', ...msg]),
info: (...msg) => logs.push(['info', ...msg]),
}
const cliMock = (npm) => t.mock('../../lib/cli.js', {
'../../lib/npm.js': npm,
'../../lib/utils/update-notifier.js': async () => null,
'../../lib/utils/unsupported.js': unsupportedMock,
'../../lib/utils/exit-handler.js': exitHandlerMock,
npmlog: npmlogMock,
})
const processMock = (proc) => {
const mocked = {
...process,
on: () => {},
...proc,
}
// nopt looks at process directly
process.argv = mocked.argv
return mocked
}
const { argv } = process
t.afterEach(() => {
logs.length = 0
process.argv = argv
exitHandlerCalled = null
exitHandlerNpm = null
})
t.test('print the version, and treat npm_g as npm -g', async t => {
const proc = processMock({
argv: ['node', 'npm_g', '-v'],
version: process.version,
})
const { npm, outputs } = mockNpm(t)
const cli = cliMock(npm)
await cli(proc)
t.strictSame(proc.argv, ['node', 'npm', '-g', '-v'], 'npm process.argv was rewritten')
t.strictSame(process.argv, ['node', 'npm', '-g', '-v'], 'system process.argv was rewritten')
t.strictSame(logs, [
'pause',
['verbose', 'cli', proc.argv],
['info', 'using', 'npm@%s', npm.version],
['info', 'using', 'node@%s', process.version],
])
t.strictSame(outputs, [[npm.version]])
t.strictSame(exitHandlerCalled, [])
})
t.test('calling with --versions calls npm version with no args', async t => {
const proc = processMock({
argv: ['node', 'npm', 'install', 'or', 'whatever', '--versions'],
})
const { npm, outputs } = mockNpm(t)
const cli = cliMock(npm)
let versionArgs
npm.commands.version = (args, cb) => {
versionArgs = args
cb()
}
await cli(proc)
t.strictSame(versionArgs, [])
t.equal(proc.title, 'npm')
t.strictSame(npm.argv, [])
t.strictSame(logs, [
'pause',
['verbose', 'cli', proc.argv],
['info', 'using', 'npm@%s', npm.version],
['info', 'using', 'node@%s', process.version],
])
t.strictSame(outputs, [])
t.strictSame(exitHandlerCalled, [])
})
t.test('print usage if no params provided', async t => {
const proc = processMock({
argv: ['node', 'npm'],
})
const { npm, outputs } = mockNpm(t)
const cli = cliMock(npm)
await cli(proc)
t.match(outputs[0][0], 'Usage:', 'outputs npm usage')
t.match(exitHandlerCalled, [], 'should call exitHandler with no args')
t.ok(exitHandlerNpm, 'exitHandler npm is set')
t.match(proc.exitCode, 1)
})
t.test('print usage if non-command param provided', async t => {
const proc = processMock({
argv: ['node', 'npm', 'tset'],
})
const { npm, outputs } = mockNpm(t)
const cli = cliMock(npm)
await cli(proc)
t.match(outputs[0][0], 'Unknown command: "tset"')
t.match(outputs[0][0], 'Did you mean this?')
t.match(exitHandlerCalled, [], 'should call exitHandler with no args')
t.ok(exitHandlerNpm, 'exitHandler npm is set')
t.match(proc.exitCode, 1)
})
t.test('load error calls error handler', async t => {
const proc = processMock({
argv: ['node', 'npm', 'asdf'],
})
const { npm } = mockNpm(t)
const cli = cliMock(npm)
const er = new Error('test load error')
npm.load = () => Promise.reject(er)
await cli(proc)
t.strictSame(exitHandlerCalled, [er])
})
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