test: bring back test

Author: durran

test/integration/crud/find.test.js

@@ -3,7 +3,7 @@ const { assert: test } = require('../shared');
 const { expect } = require('chai');
 const sinon = require('sinon');
 const { setTimeout } = require('timers');
-const { ObjectId, Long, Binary, ReturnDocument, CursorResponse } = require('../../mongodb');
+const { Code, ObjectId, Long, Binary, ReturnDocument, CursorResponse } = require('../../mongodb');
 
 describe('Find', function () {
   let client;
@@ -450,6 +450,51 @@ describe('Find', function () {
     }
   });
 
+  it('shouldCorrectlyPerformFindByWhere', {
+    metadata: {
+      requires: {
+        topology: ['single', 'replicaset', 'sharded', 'ssl', 'heap', 'wiredtiger']
+      }
+    },
+
+    test: function (done) {
+      var configuration = this.configuration;
+      var client = configuration.newClient(configuration.writeConcernMax(), { maxPoolSize: 1 });
+      client.connect(function (err, client) {
+        var db = client.db(configuration.db);
+        db.createCollection('test_where', function (err, collection) {
+          collection.insert(
+            [{ a: 1 }, { a: 2 }, { a: 3 }],
+            configuration.writeConcernMax(),
+            function (err) {
+              expect(err).to.not.exist;
+              collection.count(function (err, count) {
+                expect(err).to.not.exist;
+                test.equal(3, count);
+
+                // Let's test usage of the $where statement
+                collection.find({ $where: new Code('this.a > 2') }).count(function (err, count) {
+                  expect(err).to.not.exist;
+                  test.equal(1, count);
+
+                  collection
+                    .find({ $where: new Code('this.a > i', { i: 1 }) })
+                    .count(function (err, count) {
+                      expect(err).to.not.exist;
+                      test.equal(2, count);
+
+                      // Let's close the db
+                      client.close(done);
+                    });
+                });
+              });
+            }
+          );
+        });
+      });
+    }
+  });
+
   it('shouldCorrectlyPerformFindsWithHintTurnedOn', {
     metadata: {
       requires: { topology: ['single', 'replicaset', 'sharded', 'ssl', 'heap', 'wiredtiger'] }