From ca7d5180d3059133ed40c66101e53d68ac646704 Mon Sep 17 00:00:00 2001
From: suchothendav <suchothendav@paypal.com>
Date: Wed, 6 Jul 2016 11:09:08 -0700
Subject: [PATCH] Support for pattern #3

---
 lib/generators/index.js     | 7 +++++++
 package.json                | 1 +
 tests/fixture/petstore.json | 8 ++++++++
 tests/param_mockgen.js      | 4 ++++
 4 files changed, 20 insertions(+)

diff --git a/lib/generators/index.js b/lib/generators/index.js
index f93b6a3..75ef2a7 100644
--- a/lib/generators/index.js
+++ b/lib/generators/index.js
@@ -158,6 +158,13 @@ function stringMock(schema) {
          * If `enum` is defined for the property
          */
         mockStr = enumMock(schema);
+    } else if (schema.pattern) {
+        /**
+         * If `pattern` is defined for the property
+         */
+        //Load only if pattern exist.
+        var randexp = require('randexp').randexp;
+        mockStr = randexp(schema.pattern);
     } else if(Format[schema.format]) {
         /**
          * If a `format` is defined for the property
diff --git a/package.json b/package.json
index 27c5405..1f92cd4 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,7 @@
   "dependencies": {
     "chance": "^1.0.3",
     "moment": "^2.13.0",
+    "randexp": "^0.4.2",
     "swagger-parser": "^3.4.1"
   },
   "devDependencies": {
diff --git a/tests/fixture/petstore.json b/tests/fixture/petstore.json
index df2bcb0..88a19a7 100644
--- a/tests/fixture/petstore.json
+++ b/tests/fixture/petstore.json
@@ -184,6 +184,14 @@
                     "required": true,
                     "type": "integer",
                     "format": "int64"
+                },
+                {
+                    "name": "petName",
+                    "in": "query",
+                    "description": "Name of pet to return",
+                    "required": true,
+                    "type": "string",
+                    "pattern": "awesome+ (pet|cat|bird)"
                 }],
                 "responses": {
                     "200": {
diff --git a/tests/param_mockgen.js b/tests/param_mockgen.js
index 4f43d64..4ff1d18 100644
--- a/tests/param_mockgen.js
+++ b/tests/param_mockgen.js
@@ -56,6 +56,10 @@ describe('Parameter Mock generator', function () {
             Assert.ok(params.path, 'Generated path parameter');
             Assert.ok(params.path[0].name === 'petId', 'generated mock parameter for petId');
             Assert.ok(Number.isInteger(params.path[0].value), 'OK value for petId');
+
+            Assert.ok(params.query, 'Generated query parameter');
+            Assert.ok(params.query[0].name === 'petName', 'generated mock parameter for petName');
+            Assert.ok(/awesome+ (pet|cat|bird)/.test(params.query[0].value), 'OK value for petName');
             done();
         });
     });