fix(target/python) query string fix (Kong#138)

* fix(target/python) query string fix

* test(target/python) query params support in HAR url
* test(target/python) more human-readable fixture

Author: karol-maciaszek

src/targets/python/requests.js

@@ -26,7 +26,7 @@ module.exports = function (source, options) {
       .blank()
 
   // Construct query string
-  if (source.queryString.length) {
+  if (Object.keys(source.queryObj).length) {
     var qs = 'querystring = ' + JSON.stringify(source.queryObj)
 
     code.push(qs)

test/targets/python/requests.js

@@ -1,6 +1,24 @@
+/* global it */
+
 'use strict'
 
 require('should')
 
-module.exports = function (snippet, fixtures) {
+module.exports = function (HTTPSnippet) {
+  it('should support query parameters provided in HAR\'s url', function () {
+    var result = new HTTPSnippet({ 'method': 'GET', 'url': 'http://mockbin.com/har?param=value' }).convert('python', 'requests', {
+      showBoilerplate: false
+    })
+
+    result.should.be.a.String()
+    result.should.eql(`import requests
+
+url = "http://mockbin.com/har"
+
+querystring = {"param":"value"}
+
+response = requests.request("GET", url, params=querystring)
+
+print(response.text)`)
+  })
 }