First commit

node_modules/ldapjs/test/lib/client/message-tracker/index.test.js

@@ -0,0 +1,201 @@
+'use strict'
+
+const tap = require('tap')
+const messageTrackerFactory = require('../../../../lib/client/message-tracker/')
+
+tap.test('options', t => {
+  t.test('requires an options object', async t => {
+    try {
+      messageTrackerFactory()
+    } catch (error) {
+      t.match(error, /options object is required/)
+    }
+
+    try {
+      messageTrackerFactory([])
+    } catch (error) {
+      t.match(error, /options object is required/)
+    }
+
+    try {
+      messageTrackerFactory('')
+    } catch (error) {
+      t.match(error, /options object is required/)
+    }
+
+    try {
+      messageTrackerFactory(42)
+    } catch (error) {
+      t.match(error, /options object is required/)
+    }
+  })
+
+  t.test('requires id to be a string', async t => {
+    try {
+      messageTrackerFactory({ id: {} })
+    } catch (error) {
+      t.match(error, /options\.id string is required/)
+    }
+
+    try {
+      messageTrackerFactory({ id: [] })
+    } catch (error) {
+      t.match(error, /options\.id string is required/)
+    }
+
+    try {
+      messageTrackerFactory({ id: 42 })
+    } catch (error) {
+      t.match(error, /options\.id string is required/)
+    }
+  })
+
+  t.test('requires parser to be an object', async t => {
+    try {
+      messageTrackerFactory({ id: 'foo', parser: 'bar' })
+    } catch (error) {
+      t.match(error, /options\.parser object is required/)
+    }
+
+    try {
+      messageTrackerFactory({ id: 'foo', parser: 42 })
+    } catch (error) {
+      t.match(error, /options\.parser object is required/)
+    }
+
+    try {
+      messageTrackerFactory({ id: 'foo', parser: [] })
+    } catch (error) {
+      t.match(error, /options\.parser object is required/)
+    }
+  })
+
+  t.end()
+})
+
+tap.test('.pending', t => {
+  t.test('returns 0 for no messages', async t => {
+    const tracker = messageTrackerFactory({ id: 'foo', parser: {} })
+    t.equal(tracker.pending, 0)
+  })
+
+  t.test('returns 1 for 1 message', async t => {
+    const tracker = messageTrackerFactory({ id: 'foo', parser: {} })
+    tracker.track({}, () => {})
+    t.equal(tracker.pending, 1)
+  })
+
+  t.end()
+})
+
+tap.test('#abandon', t => {
+  t.test('returns false if message does not exist', async t => {
+    const tracker = messageTrackerFactory({ id: 'foo', parser: {} })
+    const result = tracker.abandon(1)
+    t.equal(result, false)
+  })
+
+  t.test('returns true if message is abandoned', async t => {
+    const tracker = messageTrackerFactory({ id: 'foo', parser: {} })
+    tracker.track({}, {})
+    const result = tracker.abandon(1)
+    t.equal(result, true)
+  })
+
+  t.end()
+})
+
+tap.test('#fetch', t => {
+  t.test('returns handler for fetched message', async t => {
+    const tracker = messageTrackerFactory({ id: 'foo', parser: {} })
+    tracker.track({}, handler)
+    const { callback: fetched } = tracker.fetch(1)
+    t.equal(fetched, handler)
+
+    function handler () {}
+  })
+
+  t.test('returns handler for fetched abandoned message', async t => {
+    const tracker = messageTrackerFactory({ id: 'foo', parser: {} })
+    tracker.track({}, handler)
+    tracker.track({ abandon: 'message' }, () => {})
+    tracker.abandon(1)
+    const { callback: fetched } = tracker.fetch(1)
+    t.equal(fetched, handler)
+
+    function handler () {}
+  })
+
+  t.test('returns null when message does not exist', async t => {
+    const tracker = messageTrackerFactory({ id: 'foo', parser: {} })
+    const fetched = tracker.fetch(1)
+    t.equal(fetched, null)
+  })
+
+  t.end()
+})
+
+tap.test('#purge', t => {
+  t.test('invokes cb for each tracked message', async t => {
+    t.plan(4)
+    let count = 0
+    const tracker = messageTrackerFactory({ id: 'foo', parser: {} })
+    tracker.track({}, handler1)
+    tracker.track({}, handler2)
+    tracker.purge(cb)
+
+    function cb (msgID, handler) {
+      if (count === 0) {
+        t.equal(msgID, 1)
+        t.equal(handler, handler1)
+        count += 1
+        return
+      }
+      t.equal(msgID, 2)
+      t.equal(handler, handler2)
+    }
+
+    function handler1 () {}
+    function handler2 () {}
+  })
+
+  t.end()
+})
+
+tap.test('#remove', t => {
+  t.test('removes from the current track', async t => {
+    const tracker = messageTrackerFactory({ id: 'foo', parser: {} })
+    tracker.track({}, () => {})
+    tracker.remove(1)
+    t.equal(tracker.pending, 0)
+  })
+
+  // Not a great test. It exercises the desired code path, but we probably
+  // should expose some insight into the abandoned track.
+  t.test('removes from the abandoned track', async t => {
+    const tracker = messageTrackerFactory({ id: 'foo', parser: {} })
+    tracker.track({}, () => {})
+    tracker.track({ abandon: 'message' }, () => {})
+    tracker.abandon(1)
+    tracker.remove(1)
+    t.equal(tracker.pending, 1)
+  })
+
+  t.end()
+})
+
+tap.test('#track', t => {
+  t.test('add messageId and tracks message', async t => {
+    const tracker = messageTrackerFactory({ id: 'foo', parser: {} })
+    const msg = {}
+    tracker.track(msg, handler)
+
+    t.same(msg, { messageId: 1 })
+    const { callback: cb } = tracker.fetch(1)
+    t.equal(cb, handler)
+
+    function handler () {}
+  })
+
+  t.end()
+})