Merge branch 'master' of https://github.com/FOSSEE/online_test into regrade_papers

Resolved
Conflicts:
	yaksh/models.py
	yaksh/test_models.py
	yaksh/urls.py
	yaksh/views.py

3 files changed, 222 insertions, 0 deletions

diff --git a/yaksh/live_server_tests/__init__.py b/yaksh/live_server_tests/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/yaksh/live_server_tests/__init__.py
diff --git a/yaksh/live_server_tests/load_test.py b/yaksh/live_server_tests/load_test.py
new file mode 100644
index 0000000..17934d4
--- /dev/null
+++ b/yaksh/live_server_tests/load_test.py
@@ -0,0 +1,77 @@
+import os
+import signal
+import subprocess
+from datetime import datetime
+import pytz
+from threading import Thread
+from selenium.webdriver.firefox.webdriver import WebDriver
+
+from django.contrib.staticfiles.testing import StaticLiveServerTestCase
+
+from yaksh.models import User, Profile, Question, Quiz, Course, QuestionPaper, TestCase
+from selenium_test import SeleniumTest
+
+from yaksh.code_server import ServerPool
+from yaksh import settings
+
+
+class YakshSeleniumTests(StaticLiveServerTestCase):
+    @classmethod
+    def setUpClass(cls):
+        super(YakshSeleniumTests, cls).setUpClass()
+        # setup a demo code server
+        settings.code_evaluators['python']['standardtestcase'] = \
+            "yaksh.python_assertion_evaluator.PythonAssertionEvaluator"
+        settings.code_evaluators['c']['standardtestcase'] = \
+            "yaksh.cpp_code_evaluator.CppCodeEvaluator"
+        settings.code_evaluators['bash']['standardtestcase'] = \
+            "yaksh.bash_code_evaluator.BashCodeEvaluator"
+        settings.SERVER_POOL_PORT = 53578
+        code_server_pool = ServerPool(ports=settings.SERVER_PORTS, pool_port=settings.SERVER_POOL_PORT)
+        cls.code_server_pool = code_server_pool
+        cls.code_server_thread = t = Thread(target=code_server_pool.run)
+        t.start()
+
+        demo_student = User.objects.create_user(username='demo_student',
+           password='demo_student',
+           email='demo_student@test.com'
+        )
+        demo_student_profile = Profile.objects.create(user=demo_student,
+            roll_number=3, institute='IIT',
+            department='Chemical', position='Student'
+        )
+
+        demo_mod = User.objects.create_user(username='demo_mod',
+           password='demo_mod',
+           email='demo_mod@test.com'
+        )
+        demo_mod_profile = Profile.objects.create(user=demo_mod,
+            roll_number=0, institute='IIT',
+            department='Chemical', position='Moderator'
+        )
+
+        course_obj = Course()
+        course_obj.create_demo(demo_mod)
+        demo_course = Course.objects.get(id=1)
+
+        demo_course.students.add(demo_student)
+
+    @classmethod
+    def tearDownClass(cls):
+        User.objects.all().delete()
+        Question.objects.all().delete()
+        Quiz.objects.all().delete()
+        Course.objects.all().delete()
+
+        settings.SERVER_POOL_PORT = 53579
+
+        cls.code_server_pool.stop()
+        cls.code_server_thread.join()
+
+        super(YakshSeleniumTests, cls).tearDownClass()
+
+    def test_load(self):
+        url = '%s%s' % (self.live_server_url, '/exam/login/')
+        quiz_name = "Yaksh Demo quiz"
+        selenium_test = SeleniumTest(url=url, quiz_name=quiz_name)
+        selenium_test.run_load_test(url=url, username='demo_student', password='demo_student')
diff --git a/yaksh/live_server_tests/selenium_test.py b/yaksh/live_server_tests/selenium_test.py
new file mode 100644
index 0000000..01ccc96
--- /dev/null
+++ b/yaksh/live_server_tests/selenium_test.py
@@ -0,0 +1,145 @@
+from selenium import webdriver
+from selenium.webdriver.common.keys import Keys
+from selenium.webdriver.common.by import By
+from selenium.webdriver.support.ui import WebDriverWait
+from selenium.webdriver.support import expected_conditions as EC
+from selenium.common.exceptions import WebDriverException
+
+import multiprocessing
+import argparse
+
+class SeleniumTest():
+    def __init__(self, url, quiz_name):
+        self.driver = webdriver.Firefox()
+        self.quiz_name = quiz_name
+        self.url = url
+
+    def run_load_test(self, url, username, password):
+        try:
+            self.driver.delete_all_cookies()
+            self.driver.get(self.url)
+            self.login(username, password)
+            self.open_quiz()
+            self.close_quiz()
+            self.logout()
+            self.driver.close()
+        except Exception as e:
+            with open("/tmp/yaksh_load_test_log.txt", "ab") as f:
+                f.write('Username: {0}\nError: {1}\n'.format(username, e))
+            self.driver.close()
+
+    def login(self, username, password):
+        # get the username, password and submit form elements
+        username_elem = self.driver.find_element_by_id("id_username")
+        password_elem = self.driver.find_element_by_id("id_password")
+        submit_login_elem = self.driver.find_element_by_css_selector('button.btn')
+
+        # Type in the username, password and submit form
+        username_elem.send_keys(username)
+        password_elem.send_keys(password)
+        submit_login_elem.click()
+
+    def submit_answer(self, question_label, answer, loop_count=1):
+        self.driver.implicitly_wait(2)
+        for count in range(loop_count):
+            self.driver.find_element_by_link_text(question_label).click()
+            submit_answer_elem = self.driver.find_element_by_id("check")
+            self.driver.execute_script('editor.setValue({})'.format(answer))
+            submit_answer_elem.click()
+
+    def test_c_question(self, question_label):
+        # Incorrect Answer
+        loop_count = 10
+        answer = '\"int add(int a, int b, int c)\\n{return;}\"'
+        self.submit_answer(question_label, answer, loop_count)
+
+        # Infinite Loop
+        loop_count = 3
+        answer = '\"int add(int a, int b, int c)\\n{while(1){}}\"'
+        self.submit_answer(question_label, answer, loop_count)
+
+        # Correct Answer
+        loop_count = 1
+        answer = '\"int add(int a, int b, int c)\\n{return a + b + c;}\"'
+        self.submit_answer(question_label, answer, loop_count)
+
+    def test_python_question(self, question_label):
+        # Incorrect Answer
+        loop_count = 10
+        answer = '\"def is_palindrome(s):\\n    return s\"'
+        self.submit_answer(question_label, answer, loop_count)
+
+        # Infinite Loop
+        loop_count = 3
+        answer = '\"while True:\\n    pass"'
+        self.submit_answer(question_label, answer, loop_count)
+
+        # Correct Answer
+        loop_count = 1
+        answer = '\"def is_palindrome(s):\\n    return s[::-1] == s\"'
+        self.submit_answer(question_label, answer, loop_count)
+
+    def test_bash_question(self, question_label):
+        # Incorrect Answer
+        loop_count = 10
+        answer = '\"#!/bin/bash\\nls\"'
+        self.submit_answer(question_label, answer, loop_count)
+
+        # Infinite Loop
+        loop_count = 3
+        answer = '\"#!/bin/bash\\nwhile [ 1 ]; do : ; done\"'
+        self.submit_answer(question_label, answer, loop_count)
+
+        # Correct Answer
+        loop_count = 1
+        answer = '\"#!/bin/bash\\ncat $1 | cut -d: -f2 | paste -d: $3 - $2\"'
+        self.submit_answer(question_label, answer, loop_count)
+
+    def open_quiz(self):
+        # open quiz link
+        quiz_link_elem = self.driver.find_element_by_link_text(self.quiz_name).click()
+     
+        # Get page elements
+        start_exam_elem = WebDriverWait(self.driver, 5).until(
+            EC.presence_of_element_located((By.NAME, "start"))
+        )
+        start_exam_elem.click()
+
+        self.test_c_question(question_label=1)
+        self.test_python_question(question_label=3)
+        self.test_bash_question(question_label=2)
+
+    def close_quiz(self):
+        quit_link_elem = WebDriverWait(self.driver, 5).until(
+            EC.presence_of_element_located((By.ID, "login_again"))
+        )
+        quit_link_elem.click()
+
+    def logout(self):
+        logout_link_elem = WebDriverWait(self.driver, 5).until(
+            EC.presence_of_element_located((By.ID, "logout"))
+        )
+        logout_link_elem.click()
+
+def user_gen(url, ids):
+    return [(url, 'User%d'%x, 'User%d'%x) for x in ids]
+
+def wrap_run_load_test(args):
+    url = "http://yaksh.fossee.aero.iitb.ac.in/exam/"
+    selenium_test = SeleniumTest(url=url, quiz_name=quiz_name)
+    return selenium_test.run_load_test(*args)
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser()
+    parser.add_argument('url', type=str, help="url of the website being tested")
+    parser.add_argument('start', type=int, help="Starting user id")
+    parser.add_argument("-n", "--number", type=int, default=10, help="number of users")
+    opts = parser.parse_args()
+
+    quiz_name = "Demo quiz"
+    selenium_test = SeleniumTest(url=opts.url, quiz_name=quiz_name)
+    pool = multiprocessing.Pool(opts.number)
+    pool.map(wrap_run_load_test, user_gen(opts.url, range(opts.start, opts.start + opts.number)))
+    pool.close()
+    pool.join()
+