85 lines
2.1 KiB
TypeScript
85 lines
2.1 KiB
TypeScript
import fs from 'fs'
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import 'mocha'
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import should from 'should'
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import stream from 'stream'
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import zlib from 'zlib'
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import { XmlParser } from '../src/parser'
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describe('pause and resume', () => {
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it('should properly parse a simple file.', function (done) {
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const xmlStream = fs.createReadStream('./test/TestFiles/item.xml')
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const parser = new XmlParser({ resourcePath: '/items/item' })
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const expectedData = [
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{
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$: { id: '1', test: 'hello' },
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subitem: [
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{ $: { sub: 'TESTING SUB' }, _: 'one' },
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{ $: { sub: '2' }, _: 'two' }
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]
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},
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{
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$: { id: '2' },
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subitem: [{ _: 'three' }, { _: 'four' }, { _: 'five' }]
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}
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]
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const actualData: string[] = []
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let dataEventCount = 0
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let isSetTimeoutHappened = true
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this.timeout(4000)
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parser.on('data', (data) => {
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actualData.push(data)
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parser.pause()
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should(isSetTimeoutHappened).equal(true)
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setTimeout(() => {
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parser.resume()
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isSetTimeoutHappened = true
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}, 1000)
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dataEventCount++
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isSetTimeoutHappened = false
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})
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parser.on('error', (err) => {
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done(err)
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})
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parser.on('end', () => {
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// console.log('actualData=', actualData)
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// console.log('dataEventCount=', dataEventCount)
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should(actualData).deepEqual(expectedData)
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should(dataEventCount).equal(2)
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done()
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})
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xmlStream.pipe(parser)
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})
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it('should emit data events with 1sec interval between each using pause and resume.', function (done) {
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const xmlStream = fs.createReadStream('./test/TestFiles/medium.xml')
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const parser = new XmlParser({ resourcePath: '/items/item' })
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let dataEventCount = 0
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let isSetTimeoutHappened = true
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this.timeout(20000)
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parser.on('data', (data) => {
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parser.pause()
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should(isSetTimeoutHappened).equal(true)
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setTimeout(() => {
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parser.resume()
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isSetTimeoutHappened = true
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}, 1000)
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dataEventCount++
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isSetTimeoutHappened = false
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})
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parser.on('error', (err) => {
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done(err)
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})
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parser.on('end', () => {
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// console.log('dataEventCount=', dataEventCount)
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should(dataEventCount).equal(10)
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done()
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})
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xmlStream.pipe(parser)
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})
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})
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