Merge pull request #152 from jdrew1303/feature/uuid_generator

[api] Adds fake uuid generator

2 files changed, 18 insertions, 0 deletions

diff --git a/lib/random.js b/lib/random.js
index 76cfbe90..3205d8c4 100644
--- a/lib/random.js
+++ b/lib/random.js
@@ -51,6 +51,16 @@ var random = {
         var key = faker.random.array_element(array);
 
         return field === "key" ? key : object[key];
+    },
+
+    uuid : function () {
+        var RFC4122_TEMPLATE = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx';
+        var replacePlaceholders = function (placeholder) {
+            var random = Math.random()*16|0;
+            var value = placeholder == 'x' ? random : (random &0x3 | 0x8);
+            return value.toString(16);
+        };
+        return RFC4122_TEMPLATE.replace(/[xy]/g, replacePlaceholders);
     }
 };
 
diff --git a/test/random.unit.js b/test/random.unit.js
index 6071767b..da1274fd 100644
--- a/test/random.unit.js
+++ b/test/random.unit.js
@@ -61,4 +61,12 @@ describe("random.js", function () {
       assert.equal(opts.max, max);
     });
   });
+
+  describe('UUID', function() {
+    it('should generate a valid UUID', function() {
+      var UUID = faker.random.uuid();
+      var RFC4122 = /^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/;
+      assert.ok(RFC4122.test(UUID));
+    })
+  })
 });