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Mini Shell
Mini Shell
const t = require('tap')
const { resolve, join } = require('path')
const fs = require('graceful-fs')
const mockLogs = require('../../fixtures/mock-logs')
const tmock = require('../../fixtures/tmock')
const mockTimers = (t, options) => {
const { logs, logMocks } = mockLogs()
const Timers = tmock(t, '{LIB}/utils/timers', {
...logMocks,
})
const timers = new Timers(options)
t.teardown(() => timers.off())
return { timers, logs }
}
t.test('getters', async (t) => {
const { timers } = mockTimers(t)
t.match(timers.unfinished, new Map())
t.match(timers.finished, {})
})
t.test('listens/stops on process', async (t) => {
const { timers } = mockTimers(t)
process.emit('time', 'foo')
process.emit('time', 'bar')
process.emit('timeEnd', 'bar')
t.match(timers.unfinished, new Map([['foo', Number]]))
t.match(timers.finished, { bar: Number })
timers.off()
process.emit('time', 'baz')
t.notOk(timers.unfinished.get('baz'))
})
t.test('convenience time method', async (t) => {
const { timers } = mockTimers(t)
const end = timers.time('later')
timers.time('sync', () => {})
await timers.time('async', () => new Promise(r => setTimeout(r, 10)))
end()
t.match(timers.finished, { later: Number, sync: Number, async: Number })
})
t.test('initial timer', async (t) => {
const { timers } = mockTimers(t, { start: 'foo' })
process.emit('timeEnd', 'foo')
t.match(timers.finished, { foo: Number })
})
t.test('initial listener', async (t) => {
const events = []
const listener = (...args) => events.push(args)
const { timers } = mockTimers(t, { listener })
process.emit('time', 'foo')
process.emit('time', 'bar')
process.emit('timeEnd', 'bar')
timers.off(listener)
process.emit('timeEnd', 'foo')
t.equal(events.length, 1)
t.match(events, [['bar', Number]])
})
t.test('finish unstarted timer', async (t) => {
const { logs } = mockTimers(t)
process.emit('timeEnd', 'foo')
t.match(logs.silly, [['timing', /^Tried to end timer/, 'foo']])
})
t.test('writes file', async (t) => {
const { timers } = mockTimers(t)
const dir = t.testdir()
process.emit('time', 'foo')
process.emit('timeEnd', 'foo')
timers.load({ path: resolve(dir, `TIMING_FILE-`) })
timers.writeFile({ some: 'data' })
const data = JSON.parse(fs.readFileSync(resolve(dir, 'TIMING_FILE-timing.json')))
t.match(data, {
metadata: { some: 'data' },
timers: { foo: Number },
unfinishedTimers: {
npm: [Number, Number],
},
})
})
t.test('fails to write file', async (t) => {
const { logs, timers } = mockTimers(t)
const dir = t.testdir()
timers.load({ path: join(dir, 'does', 'not', 'exist') })
timers.writeFile()
t.match(logs.warn, [['timing', 'could not write timing file']])
t.equal(timers.file, null)
})
t.test('no dir and no file', async (t) => {
const { logs, timers } = mockTimers(t)
timers.load()
timers.writeFile()
t.strictSame(logs, [])
t.equal(timers.file, null)
})
Zerion Mini Shell 1.0