1 files changed, 151 insertions, 0 deletions
diff --git a/node_modules/fastq/test/promise.js b/node_modules/fastq/test/promise.js
new file mode 100644
index 0000000..4e28f21
--- /dev/null
+++ b/node_modules/fastq/test/promise.js
@@ -0,0 +1,151 @@
+'use strict'
+
+const test = require('tape')
+const buildQueue = require('../').promise
+const { promisify } = require('util')
+const sleep = promisify(setTimeout)
+const immediate = promisify(setImmediate)
+
+test('concurrency', function (t) {
+  t.plan(2)
+  t.throws(buildQueue.bind(null, worker, 0))
+  t.doesNotThrow(buildQueue.bind(null, worker, 1))
+
+  async function worker (arg) {
+    return true
+  }
+})
+
+test('worker execution', async function (t) {
+  const queue = buildQueue(worker, 1)
+
+  const result = await queue.push(42)
+
+  t.equal(result, true, 'result matches')
+
+  async function worker (arg) {
+    t.equal(arg, 42)
+    return true
+  }
+})
+
+test('limit', async function (t) {
+  const queue = buildQueue(worker, 1)
+
+  const [res1, res2] = await Promise.all([queue.push(10), queue.push(0)])
+  t.equal(res1, 10, 'the result matches')
+  t.equal(res2, 0, 'the result matches')
+
+  async function worker (arg) {
+    await sleep(arg)
+    return arg
+  }
+})
+
+test('multiple executions', async function (t) {
+  const queue = buildQueue(worker, 1)
+  const toExec = [1, 2, 3, 4, 5]
+  const expected = ['a', 'b', 'c', 'd', 'e']
+  let count = 0
+
+  await Promise.all(toExec.map(async function (task, i) {
+    const result = await queue.push(task)
+    t.equal(result, expected[i], 'the result matches')
+  }))
+
+  async function worker (arg) {
+    t.equal(arg, toExec[count], 'arg matches')
+    return expected[count++]
+  }
+})
+
+test('set this', async function (t) {
+  t.plan(1)
+  const that = {}
+  const queue = buildQueue(that, worker, 1)
+
+  await queue.push(42)
+
+  async function worker (arg) {
+    t.equal(this, that, 'this matches')
+  }
+})
+
+test('unshift', async function (t) {
+  const queue = buildQueue(worker, 1)
+  const expected = [1, 2, 3, 4]
+
+  await Promise.all([
+    queue.push(1),
+    queue.push(4),
+    queue.unshift(3),
+    queue.unshift(2)
+  ])
+
+  t.is(expected.length, 0)
+
+  async function worker (arg) {
+    t.equal(expected.shift(), arg, 'tasks come in order')
+  }
+})
+
+test('push with worker throwing error', async function (t) {
+  t.plan(5)
+  const q = buildQueue(async function (task, cb) {
+    throw new Error('test error')
+  }, 1)
+  q.error(function (err, task) {
+    t.ok(err instanceof Error, 'global error handler should catch the error')
+    t.match(err.message, /test error/, 'error message should be "test error"')
+    t.equal(task, 42, 'The task executed should be passed')
+  })
+  try {
+    await q.push(42)
+  } catch (err) {
+    t.ok(err instanceof Error, 'push callback should catch the error')
+    t.match(err.message, /test error/, 'error message should be "test error"')
+  }
+})
+
+test('unshift with worker throwing error', async function (t) {
+  t.plan(2)
+  const q = buildQueue(async function (task, cb) {
+    throw new Error('test error')
+  }, 1)
+  try {
+    await q.unshift(42)
+  } catch (err) {
+    t.ok(err instanceof Error, 'push callback should catch the error')
+    t.match(err.message, /test error/, 'error message should be "test error"')
+  }
+})
+
+test('no unhandledRejection (push)', async function (t) {
+  function handleRejection () {
+    t.fail('unhandledRejection')
+  }
+  process.once('unhandledRejection', handleRejection)
+  const q = buildQueue(async function (task, cb) {
+    throw new Error('test error')
+  }, 1)
+
+  q.push(42)
+
+  await immediate()
+  process.removeListener('unhandledRejection', handleRejection)
+})
+
+test('no unhandledRejection (unshift)', async function (t) {
+  function handleRejection () {
+    t.fail('unhandledRejection')
+  }
+  process.once('unhandledRejection', handleRejection)
+  const q = buildQueue(async function (task, cb) {
+    throw new Error('test error')
+  }, 1)
+
+  q.unshift(42)
+
+  await immediate()
+  process.removeListener('unhandledRejection', handleRejection)
+})