Files
edx-platform/common/lib/xmodule/xmodule/tests/__init__.py
2013-06-18 11:37:24 -04:00

114 lines
4.1 KiB
Python

"""
unittests for xmodule
Run like this:
rake test_common/lib/xmodule
"""
import unittest
import os
import fs
import fs.osfs
import numpy
import calc
import xmodule
from xmodule.x_module import ModuleSystem
from mock import Mock
open_ended_grading_interface = {
'url': 'blah/',
'username': 'incorrect_user',
'password': 'incorrect_pass',
'staff_grading' : 'staff_grading',
'peer_grading' : 'peer_grading',
'grading_controller' : 'grading_controller'
}
def get_test_system():
"""
Construct a test ModuleSystem instance.
By default, the render_template() method simply returns the repr of the
context it is passed. You can override this behavior by monkey patching::
system = get_test_system()
system.render_template = my_render_func
where `my_render_func` is a function of the form my_render_func(template, context).
"""
return ModuleSystem(
ajax_url='courses/course_id/modx/a_location',
track_function=Mock(),
get_module=Mock(),
render_template=lambda template, context: repr(context),
replace_urls=lambda html: str(html),
user=Mock(is_staff=False),
filestore=Mock(),
debug=True,
xqueue={'interface': None, 'callback_url': '/', 'default_queuename': 'testqueue', 'waittime': 10, 'construct_callback' : Mock(side_effect="/")},
node_path=os.environ.get("NODE_PATH", "/usr/local/lib/node_modules"),
xblock_model_data=lambda descriptor: descriptor._model_data,
anonymous_student_id='student',
open_ended_grading_interface= open_ended_grading_interface
)
class ModelsTest(unittest.TestCase):
def setUp(self):
pass
def test_load_class(self):
vc = xmodule.x_module.XModuleDescriptor.load_class('video')
vc_str = "<class 'xmodule.video_module.VideoDescriptor'>"
self.assertEqual(str(vc), vc_str)
def test_calc(self):
variables = {'R1': 2.0, 'R3': 4.0}
functions = {'sin': numpy.sin, 'cos': numpy.cos}
self.assertTrue(abs(calc.evaluator(variables, functions, "10000||sin(7+5)+0.5356")) < 0.01)
self.assertEqual(calc.evaluator({'R1': 2.0, 'R3': 4.0}, {}, "13"), 13)
self.assertEqual(calc.evaluator(variables, functions, "13"), 13)
self.assertEqual(calc.evaluator({'a': 2.2997471478310274, 'k': 9, 'm': 8, 'x': 0.66009498411213041}, {}, "5"), 5)
self.assertEqual(calc.evaluator({}, {}, "-1"), -1)
self.assertEqual(calc.evaluator({}, {}, "-0.33"), -.33)
self.assertEqual(calc.evaluator({}, {}, "-.33"), -.33)
self.assertEqual(calc.evaluator(variables, functions, "R1*R3"), 8.0)
self.assertTrue(abs(calc.evaluator(variables, functions, "sin(e)-0.41")) < 0.01)
self.assertTrue(abs(calc.evaluator(variables, functions, "k*T/q-0.025")) < 0.001)
self.assertTrue(abs(calc.evaluator(variables, functions, "e^(j*pi)") + 1) < 0.00001)
self.assertTrue(abs(calc.evaluator(variables, functions, "j||1") - 0.5 - 0.5j) < 0.00001)
variables['t'] = 1.0
# Use self.assertAlmostEqual here...
self.assertTrue(abs(calc.evaluator(variables, functions, "t") - 1.0) < 0.00001)
self.assertTrue(abs(calc.evaluator(variables, functions, "T") - 1.0) < 0.00001)
self.assertTrue(abs(calc.evaluator(variables, functions, "t", cs=True) - 1.0) < 0.00001)
self.assertTrue(abs(calc.evaluator(variables, functions, "T", cs=True) - 298) < 0.2)
# Use self.assertRaises here...
exception_happened = False
try:
calc.evaluator({}, {}, "5+7 QWSEKO")
except:
exception_happened = True
self.assertTrue(exception_happened)
try:
calc.evaluator({'r1': 5}, {}, "r1+r2")
except calc.UndefinedVariable:
pass
self.assertEqual(calc.evaluator(variables, functions, "r1*r3"), 8.0)
exception_happened = False
try:
calc.evaluator(variables, functions, "r1*r3", cs=True)
except:
exception_happened = True
self.assertTrue(exception_happened)