added unit test

Author: John Doherty

test/data/test-instance.js

@@ -0,0 +1,35 @@
+/**
+ * @schema.name product
+ * @schema.description An e-commerce product
+ */
+var product = {
+
+    /**
+     * @schema.title Name
+     * @schema.description The SEO friendly name of the product
+     * @schema.type string
+     * @schema.minLength 3
+     * @schema.maxLength 255
+     * @schema.required true
+     */
+    name: '',
+
+    /**
+     * @schema.title Url
+     * @schema.description Unique, SEO friendly product Url
+     * @schema.type string
+     * @schema.minLength 1
+     * @schema.maxLength 255
+     * @schema.required true
+     */
+    url: '',
+
+    /**
+     * @schema.title Price
+     * @schema.description Price of the product
+     * @schema.type number
+     * @schema.minimum 0
+     * @schema.required true
+     */
+    price: ''
+};

test/data/test-singleton.js

@@ -1,10 +1,59 @@
 'use strict';
 
 var toJsonSchema = require('../index.js');
+var path = require('path');
 
 describe('jsdoc-to-json-schema', function () {
 
     it('should be defined', function () {
         expect(toJsonSchema).toBeDefined();
     });
+
+    it('should return JSON Schema for JS singleton', function (done) {
+
+        var inputFile = path.resolve('./test/data/test-singleton.js');
+
+        // generate a JSON schema for product.js
+        toJsonSchema(inputFile).then(function(schema){
+
+            expect(schema).toBeDefined();
+
+            // top level
+            expect(schema.name).toEqual('product');
+            expect(schema.description).toEqual('An e-commerce product');
+            expect(schema.properties).toBeDefined();
+
+            // .name property
+            expect(schema.properties.name).toBeDefined();
+            expect(schema.properties.name.type).toEqual('string');
+            expect(schema.properties.name.title).toEqual('Name');
+            expect(schema.properties.name.description).toEqual('The SEO friendly name of the product');
+            expect(schema.properties.name.minLength).toEqual(3);
+            expect(schema.properties.name.maxLength).toEqual(255);
+            expect(schema.properties.name.required).toEqual(true);
+
+            // .url property
+            expect(schema.properties.url).toBeDefined();
+            expect(schema.properties.url.type).toEqual('string');
+            expect(schema.properties.url.title).toEqual('Url');
+            expect(schema.properties.url.description).toEqual('Unique, SEO friendly product Url');
+            expect(schema.properties.url.minLength).toEqual(1);
+            expect(schema.properties.url.maxLength).toEqual(255);
+            expect(schema.properties.url.required).toEqual(true);
+
+            // .price property
+            expect(schema.properties.price).toBeDefined();
+            expect(schema.properties.price.type).toEqual('number');
+            expect(schema.properties.price.title).toEqual('Price');
+            expect(schema.properties.price.description).toEqual('Price of the product');
+            expect(schema.properties.price.minimum).toEqual(0);
+            expect(schema.properties.price.required).toEqual(true);
+
+            done();
+        })
+        .catch(function(err){
+            done(err);
+        });
+    });
+
 });