229 lines
9.2 KiB
Python
229 lines
9.2 KiB
Python
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from ast import literal_eval
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import json
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import unittest
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from fs.memoryfs import MemoryFS
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from mock import Mock, patch
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from xmodule.error_module import NonStaffErrorDescriptor
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from xmodule.modulestore import Location
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from xmodule.modulestore.xml import ImportSystem, XMLModuleStore
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from xmodule.conditional_module import ConditionalModule
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from xmodule.tests import DATA_DIR, get_test_system
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ORG = 'test_org'
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COURSE = 'conditional' # name of directory with course data
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class DummySystem(ImportSystem):
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@patch('xmodule.modulestore.xml.OSFS', lambda directory: MemoryFS())
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def __init__(self, load_error_modules):
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xmlstore = XMLModuleStore("data_dir", course_dirs=[], load_error_modules=load_error_modules)
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course_id = "/".join([ORG, COURSE, 'test_run'])
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course_dir = "test_dir"
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policy = {}
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error_tracker = Mock()
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parent_tracker = Mock()
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super(DummySystem, self).__init__(
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xmlstore,
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course_id,
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course_dir,
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policy,
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error_tracker,
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parent_tracker,
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load_error_modules=load_error_modules,
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)
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def render_template(self, template, context):
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raise Exception("Shouldn't be called")
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class ConditionalFactory(object):
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"""
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A helper class to create a conditional module and associated source and child modules
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to allow for testing.
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"""
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@staticmethod
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def create(system, source_is_error_module=False):
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"""
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return a dict of modules: the conditional with a single source and a single child.
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Keys are 'cond_module', 'source_module', and 'child_module'.
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if the source_is_error_module flag is set, create a real ErrorModule for the source.
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"""
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# construct source descriptor and module:
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source_location = Location(["i4x", "edX", "conditional_test", "problem", "SampleProblem"])
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if source_is_error_module:
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# Make an error descriptor and module
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source_descriptor = NonStaffErrorDescriptor.from_xml('some random xml data',
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system,
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org=source_location.org,
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course=source_location.course,
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error_msg='random error message')
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source_module = source_descriptor.xmodule(system)
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else:
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source_descriptor = Mock()
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source_descriptor.location = source_location
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source_module = Mock()
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# construct other descriptors:
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child_descriptor = Mock()
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cond_descriptor = Mock()
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cond_descriptor.get_required_module_descriptors = lambda: [source_descriptor, ]
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cond_descriptor.get_children = lambda: [child_descriptor, ]
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cond_descriptor.xml_attributes = {"attempted": "true"}
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# create child module:
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child_module = Mock()
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child_module.get_html = lambda: '<p>This is a secret</p>'
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child_module.displayable_items = lambda: [child_module]
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module_map = {source_descriptor: source_module, child_descriptor: child_module}
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system.get_module = lambda descriptor: module_map[descriptor]
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# construct conditional module:
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cond_location = Location(["i4x", "edX", "conditional_test", "conditional", "SampleConditional"])
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model_data = {'data': '<conditional/>', 'location': cond_location}
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cond_module = ConditionalModule(system, cond_descriptor, model_data)
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# return dict:
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return {'cond_module': cond_module,
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'source_module': source_module,
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'child_module': child_module}
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class ConditionalModuleBasicTest(unittest.TestCase):
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"""
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Make sure that conditional module works, using mocks for
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other modules.
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"""
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def setUp(self):
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self.test_system = get_test_system()
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def test_icon_class(self):
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'''verify that get_icon_class works independent of condition satisfaction'''
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modules = ConditionalFactory.create(self.test_system)
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for attempted in ["false", "true"]:
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for icon_class in ['other', 'problem', 'video']:
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modules['source_module'].is_attempted = attempted
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modules['child_module'].get_icon_class = lambda: icon_class
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self.assertEqual(modules['cond_module'].get_icon_class(), icon_class)
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def test_get_html(self):
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modules = ConditionalFactory.create(self.test_system)
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# because get_test_system returns the repr of the context dict passed to render_template,
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# we reverse it here
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html = modules['cond_module'].get_html()
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html_dict = literal_eval(html)
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self.assertEqual(html_dict['element_id'], 'i4x-edX-conditional_test-conditional-SampleConditional')
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self.assertEqual(html_dict['id'], 'i4x://edX/conditional_test/conditional/SampleConditional')
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self.assertEqual(html_dict['depends'], 'i4x-edX-conditional_test-problem-SampleProblem')
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def test_handle_ajax(self):
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modules = ConditionalFactory.create(self.test_system)
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modules['source_module'].is_attempted = "false"
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ajax = json.loads(modules['cond_module'].handle_ajax('', ''))
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print "ajax: ", ajax
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html = ajax['html']
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self.assertFalse(any(['This is a secret' in item for item in html]))
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# now change state of the capa problem to make it completed
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modules['source_module'].is_attempted = "true"
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ajax = json.loads(modules['cond_module'].handle_ajax('', ''))
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print "post-attempt ajax: ", ajax
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html = ajax['html']
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self.assertTrue(any(['This is a secret' in item for item in html]))
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def test_error_as_source(self):
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'''
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Check that handle_ajax works properly if the source is really an ErrorModule,
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and that the condition is not satisfied.
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'''
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modules = ConditionalFactory.create(self.test_system, source_is_error_module=True)
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ajax = json.loads(modules['cond_module'].handle_ajax('', ''))
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html = ajax['html']
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self.assertFalse(any(['This is a secret' in item for item in html]))
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class ConditionalModuleXmlTest(unittest.TestCase):
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"""
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Make sure ConditionalModule works, by loading data in from an XML-defined course.
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"""
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@staticmethod
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def get_system(load_error_modules=True):
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'''Get a dummy system'''
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return DummySystem(load_error_modules)
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def setUp(self):
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self.test_system = get_test_system()
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def get_course(self, name):
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"""Get a test course by directory name. If there's more than one, error."""
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print "Importing {0}".format(name)
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modulestore = XMLModuleStore(DATA_DIR, course_dirs=[name])
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courses = modulestore.get_courses()
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self.modulestore = modulestore
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self.assertEquals(len(courses), 1)
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return courses[0]
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def test_conditional_module(self):
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"""Make sure that conditional module works"""
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print "Starting import"
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course = self.get_course('conditional_and_poll')
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print "Course: ", course
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print "id: ", course.id
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def inner_get_module(descriptor):
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if isinstance(descriptor, Location):
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location = descriptor
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descriptor = self.modulestore.get_instance(course.id, location, depth=None)
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return descriptor.xmodule(self.test_system)
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# edx - HarvardX
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# cond_test - ER22x
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location = Location(["i4x", "HarvardX", "ER22x", "conditional", "condone"])
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def replace_urls(text, staticfiles_prefix=None, replace_prefix='/static/', course_namespace=None):
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return text
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self.test_system.replace_urls = replace_urls
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self.test_system.get_module = inner_get_module
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module = inner_get_module(location)
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print "module: ", module
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print "module.conditions_map: ", module.conditions_map
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print "module children: ", module.get_children()
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print "module display items (children): ", module.get_display_items()
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html = module.get_html()
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print "html type: ", type(html)
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print "html: ", html
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html_expect = "{'ajax_url': 'courses/course_id/modx/a_location', 'element_id': 'i4x-HarvardX-ER22x-conditional-condone', 'id': 'i4x://HarvardX/ER22x/conditional/condone', 'depends': 'i4x-HarvardX-ER22x-problem-choiceprob'}"
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self.assertEqual(html, html_expect)
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gdi = module.get_display_items()
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print "gdi=", gdi
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ajax = json.loads(module.handle_ajax('', ''))
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print "ajax: ", ajax
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html = ajax['html']
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self.assertFalse(any(['This is a secret' in item for item in html]))
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# Now change state of the capa problem to make it completed
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inner_module = inner_get_module(Location('i4x://HarvardX/ER22x/problem/choiceprob'))
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inner_module.attempts = 1
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# Save our modifications to the underlying KeyValueStore so they can be persisted
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inner_module.save()
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ajax = json.loads(module.handle_ajax('', ''))
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print "post-attempt ajax: ", ajax
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html = ajax['html']
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self.assertTrue(any(['This is a secret' in item for item in html]))
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