Add test case for string with uppercase letters

index.js

@@ -22,7 +22,7 @@ const hexadecimalValues = [
   "f"
 ];
 
-// Set with hexadecimal values (Set is ES new Feature)
+// Set with hexadecimal values (Set is an ES6 new Feature)
 const hexValuesSet = new Set(hexadecimalValues);
 
 /**

package.json

@@ -1,19 +1,21 @@
 {
   "name": "isMongoObjectID",
   "version": "0.0.1",
-  "description":
-    "Super fast function to check if a String is a MongoDB ObjectID based on ES6 Sets.",
+  "description": "Super fast function to check if a String is a MongoDB ObjectID based on ES6 Sets.",
   "main": "index.js",
   "scripts": {
     "test": "node_modules/.bin/mocha --reporter spec",
-    "cover":
-      "node_modules/istanbul/lib/cli.js cover node_modules/mocha/bin/_mocha -- -R spec test/*"
+    "cover": "node_modules/istanbul/lib/cli.js cover node_modules/mocha/bin/_mocha -- -R spec test/*"
   },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/mrm8488/isMongoObjectID"
   },
-  "keywords": ["objectid", "mongodb", "mongodbobjectid"],
+  "keywords": [
+    "objectid",
+    "mongodb",
+    "mongodbobjectid"
+  ],
   "author": "Manuel Romero",
   "license": "MIT",
   "bugs": {

test/test.js

@@ -47,9 +47,14 @@ describe("Function isValidObjectID - check if a String has MongoDB's ObjectID fo
       expect(isValidObjectID("507f191e810c19729de860ek")).to.be.false;
       done();
     });
+
+    it("should return false because of String passed to the function contains uppercase chars ", done => {
+      expect(isValidObjectID("507f191e810c19729De860e1")).to.be.false;
+      done();
+    });
   });
 
-  describe("vaiid ObjectID format", () => {
+  describe("valid ObjectID format", () => {
     it("should return false because of no param passed to the function", done => {
       expect(isValidObjectID("507f191e810c19729de860e1")).to.be.true;
       done();