add test case for uuisValidator

Author: GavinChenYan

src/test/java/com/networknt/schema/JsonSchemaTest.java

@@ -270,6 +270,7 @@ public void testRequiredValidator() throws Exception {
         runTestFile("tests/required.json");
     }
 
+
     @Test
     public void testTypeValidator() throws Exception {
         runTestFile("tests/type.json");
@@ -300,4 +301,10 @@ public void testSchemaFromClasspath() throws Exception {
         runTestFile("tests/classpath/schema.json");
     }
 
+
+
+    @Test
+    public void testUUIDValidator() throws Exception {
+        runTestFile("tests/uuid.json");
+    }
 }

src/test/resources/tests/uuid.json

@@ -0,0 +1,28 @@
+[
+    {
+        "description": "uuid format validation",
+        "schema": {"format": "uuid"},
+        "tests": [
+            {
+                "description": "invalid uuid",
+                "data": "df984f5c-59bd-48e3sac87-b03d574b37e9",
+                "valid": false
+            },
+            {
+                "description": "valid uuid string",
+                "data": "df984f5c-59bd-48e3-ac87-b03d574b37e9",
+                "valid": true
+            },
+            {
+                "description": "too short, it is invalid",
+                "data": "5fc03087d-d265-11e7-b8c6-83e29cd24f",
+                "valid": false
+            },
+            {
+                "description": "two long, length is greater than 36",
+                "data": "5fc03087d-d265-11e7-b8c6-83e29cd24f42333",
+                "valid": false
+            }
+        ]
+    }
+]