NumberLong data type recognition

.eslintrc.js

@@ -36,6 +36,7 @@ module.exports = {
         "collection": false,
         "DBQuery": false,
         "BinData": false,
+        "NumberLong": false,
         "tojson": false
 
     },

spec/DatatypeRecognitionTest.js

 import { Binary } from 'mongodb';
+import { Long } from 'mongodb';
 import Tester from './utils/Tester.js';
 const test = new Tester('test', 'users');
 
@@ -10,7 +11,8 @@ const crazyObject = {
   'key_binData-generic': new Binary('1234'), // TODO: how to create other bin-data types?
   key_array: [],
   key_object: {},
-  key_null: null
+  key_null: null,
+  key_long: Long.fromString('4611686018427387904')
 };
 
 describe('Data type recognition', () => {
@@ -20,13 +22,16 @@ describe('Data type recognition', () => {
 
   it('should recognize all supported data types', async () => {
     const results = await test.runJsonAnalysis({collection:'users'}, true);
+    results.validateResultsCount(10);
     results.validate('_id', 1, 100.0, {ObjectId: 1});
     results.validate('key_string', 1, 100.0, {String: 1});
+    results.validate('key_boolean', 1, 100.0, {Boolean: 1});
     results.validate('key_number', 1, 100.0, {Number: 1});
     results.validate('key_date', 1, 100.0, {Date: 1});
     results.validate('key_binData-generic', 1, 100.0, {'BinData-generic': 1});
     results.validate('key_array', 1, 100.0, {Array: 1});
     results.validate('key_object', 1, 100.0, {Object: 1});
     results.validate('key_null', 1, 100.0, {null: 1}); // TODO: why has 'null' first letter lowercase, unlike all other types?
+    results.validate('key_long', 1, 100.0, {NumberLong: 1});
   });
 });

spec/utils/JsonValidator.js

@@ -18,6 +18,6 @@ export default class JsonValidator {
   }
 
   validateResultsCount(count) {
-    equal(this.results.length, count, 'Total count of results does not match expected count.');
+    equal(this.results.length, count, `Total count of results does not match expected count. Known keys are: [${this.results.map(item => item._id.key).join(',')}].`);
   }
 }

variety.js

@@ -154,6 +154,8 @@ Released by Maypop Inc, © 2012-2016, under the MIT License. */
         return 'null';
       } else if (thing instanceof Date) {
         return 'Date';
+      } else if(thing instanceof NumberLong) {
+        return 'NumberLong';
       } else if (thing instanceof ObjectId) {
         return 'ObjectId';
       } else if (thing instanceof BinData) {
@@ -183,7 +185,8 @@ Released by Maypop Inc, © 2012-2016, under the MIT License. */
       var isObject = typeof v === 'object';
       var specialObject = v instanceof Date ||
                         v instanceof ObjectId ||
-                        v instanceof BinData;
+                        v instanceof BinData ||
+                        v instanceof NumberLong;
       return !specialObject && (isArray || isObject);
     }