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backend/node_modules/sonic-boom/test/end.test.js

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+'use strict'
+
+const { join } = require('path')
+const { fork } = require('child_process')
+const fs = require('fs')
+const SonicBoom = require('../')
+const { file, runTests } = require('./helper')
+
+runTests(buildTests)
+
+function buildTests (test, sync) {
+  // Reset the umask for testing
+  process.umask(0o000)
+
+  test('end after reopen', (t) => {
+    t.plan(4)
+
+    const dest = file()
+    const stream = new SonicBoom({ dest, minLength: 4096, sync })
+
+    stream.once('ready', () => {
+      t.pass('ready emitted')
+      const after = dest + '-moved'
+      stream.reopen(after)
+      stream.write('after reopen\n')
+      stream.on('finish', () => {
+        t.pass('finish emitted')
+        fs.readFile(after, 'utf8', (err, data) => {
+          t.error(err)
+          t.equal(data, 'after reopen\n')
+        })
+      })
+      stream.end()
+    })
+  })
+
+  test('end after 2x reopen', (t) => {
+    t.plan(4)
+
+    const dest = file()
+    const stream = new SonicBoom({ dest, minLength: 4096, sync })
+
+    stream.once('ready', () => {
+      t.pass('ready emitted')
+      stream.reopen(dest + '-moved')
+      const after = dest + '-moved-moved'
+      stream.reopen(after)
+      stream.write('after reopen\n')
+      stream.on('finish', () => {
+        t.pass('finish emitted')
+        fs.readFile(after, 'utf8', (err, data) => {
+          t.error(err)
+          t.equal(data, 'after reopen\n')
+        })
+      })
+      stream.end()
+    })
+  })
+
+  test('end if not ready', (t) => {
+    t.plan(3)
+
+    const dest = file()
+    const stream = new SonicBoom({ dest, minLength: 4096, sync })
+    const after = dest + '-moved'
+    stream.reopen(after)
+    stream.write('after reopen\n')
+    stream.on('finish', () => {
+      t.pass('finish emitted')
+      fs.readFile(after, 'utf8', (err, data) => {
+        t.error(err)
+        t.equal(data, 'after reopen\n')
+      })
+    })
+    stream.end()
+  })
+
+  test('chunk data accordingly', (t) => {
+    t.plan(2)
+
+    const child = fork(join(__dirname, '..', 'fixtures', 'firehose.js'), { silent: true })
+    const str = Buffer.alloc(10000).fill('a').toString()
+
+    let data = ''
+
+    child.stdout.on('data', function (chunk) {
+      data += chunk.toString()
+    })
+
+    child.stdout.on('end', function () {
+      t.equal(data, str)
+    })
+
+    child.on('close', function (code) {
+      t.equal(code, 0)
+    })
+  })
+}