Oauth2 tests (#3756)

* Test for oauth2 test_authorize_guest_redirect

* fix test oauth2

* [Fix] using py requests instead of werkzeug test client

* [Fix] https://www.codacy.com/app/frappe/frappe/pullRequest?prid=788942

* Test OAuth 2 Authorization Code Bearer Token flow

* [Fix] https://www.codacy.com/app/frappe/frappe/pullRequest?prid=788942

frappe/integrations/doctype/oauth_client/test_records.json

@@ -0,0 +1,16 @@
+[
+ {
+  "app_name": "_Test OAuth Client", 
+  "client_id": "test_client_id", 
+  "client_secret": "test_client_secret", 
+  "default_redirect_uri": "http://localhost", 
+  "docstatus": 0, 
+  "doctype": "OAuth Client", 
+  "grant_type": "Authorization Code", 
+  "name": "test_client_id", 
+  "redirect_uris": "http://localhost", 
+  "response_type": "Code", 
+  "scopes": "all openid", 
+  "skip_authorization": 0
+ }
+]

frappe/tests/ui/test_oauth20.py

@@ -0,0 +1,76 @@
+# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
+# MIT License. See license.txt
+from __future__ import unicode_literals
+
+import unittest, frappe, requests, time
+from frappe.test_runner import make_test_records
+from frappe.utils.selenium_testdriver import TestDriver
+
+try:
+	from urllib.parse import urlparse
+except ImportError:
+	from urlparse import urlparse
+
+class TestOAuth20(unittest.TestCase):
+	def setUp(self):
+		self.driver = TestDriver()
+		make_test_records("OAuth Client")
+		make_test_records("User")
+		self.client_id = frappe.get_all("OAuth Client", fields=["*"])[0].get("client_id")
+
+		# Set Frappe server URL reqired for id_token generation
+		frappe.db.set_value("Social Login Keys", None, "frappe_server_url", "http://localhost:8000")
+		frappe.db.commit()
+
+	def test_login_to_authorize_url(self):
+
+		# Go to Authorize url
+		self.driver.get(
+			"api/method/frappe.integrations.oauth2.authorize?client_id=" +
+			self.client_id +
+			"&scope=all%20openid&response_type=code&redirect_uri=http%3A%2F%2Flocalhost"
+		)
+
+		time.sleep(2)
+
+		# Login
+		username = self.driver.find("#login_email")[0]
+		username.send_keys("test@example.com")
+
+		password = self.driver.find("#login_password")[0]
+		password.send_keys("Eastern_43A1W")
+
+		sign_in = self.driver.find(".btn-login")[0]
+		sign_in.submit()
+
+		time.sleep(2)
+
+		# Allow access to resource
+		allow = self.driver.find("#allow")[0]
+		allow.click()
+
+		time.sleep(2)
+
+		# Get authorization code from redirected URL
+		auth_code = urlparse(self.driver.driver.current_url).query.split("=")[1]
+
+		payload = "grant_type=authorization_code&code="
+		payload += auth_code
+		payload += "&redirect_uri=http%3A%2F%2Flocalhost&client_id="
+		payload += self.client_id
+
+		headers = {'content-type':'application/x-www-form-urlencoded'}
+
+		# Request for bearer token
+		token_response = requests.post( frappe.get_site_config().host_name +
+			"/api/method/frappe.integrations.oauth2.get_token", data=payload, headers=headers)
+
+		# Parse bearer token json
+		bearer_token = token_response.json()
+
+		self.assertTrue(bearer_token.get("access_token"))
+		self.assertTrue(bearer_token.get("expires_in"))
+		self.assertTrue(bearer_token.get("id_token"))
+		self.assertTrue(bearer_token.get("refresh_token"))
+		self.assertTrue(bearer_token.get("scope"))
+		self.assertTrue(bearer_token.get("token_type") == "Bearer")