def test_can_create_and_save_item_bank_question(self): fixtures = ['initial_data.yaml'] domain = Domain.objects.get(name="Number") item_bank = ItemBank() item_bank.name = "Fractions" item_bank.topic = "Addition" item_bank.domain = domain item_bank.question_type = QuestionType.objects.get(pk=1) item_bank.template = ItemBankTemplate.objects.get(pk=1) item_bank.save() ibq = ItemBankQuestion() ibq.name = "test item" ibq.item_bank = item_bank ibq.usage = 0 ibq.difficulty = 0 ibq.sd_difficulty = 0 ibq.discrimination = 1 ibq.save() ibq = ItemBankQuestion.objects.all()[0] self.assertEquals(ibq.item_bank,item_bank) self.assertEquals(ibq.usage,0) self.assertEquals(ibq.difficulty,0) self.assertEquals(ibq.sd_difficulty,0) self.assertEquals(ibq.discrimination,1) self.assertEquals(ibq.name,"test item")
def test_can_create_link_btwn_item_bank_and_fraction_bank(self): fixtures = ['initial_data.yaml'] #create domain domain = Domain.objects.get(name="Number") #Create item bank item_bank = ItemBank() item_bank.name = "Fractions" item_bank.topic = "Addition" item_bank.domain = domain item_bank.question_type = QuestionType.objects.get(pk=1) item_bank.template = ItemBankTemplate.objects.get(pk=1) item_bank.save() #Create item bank question ibq = ItemBankQuestion() ibq.item_bank = item_bank ibq.usage = 0 ibq.difficulty = 0 ibq.sd_difficulty = 0 ibq.discrimination = 1 ibq.save() #Create fraction question bank fqb = FractionQuestionBank() oper = Oper.objects.get(pk=1) n = 20 st = 0 en = 10 name = "Test Bank" negatives_allowed = True fqb.generate(name,st,en,negatives_allowed,oper,n) fbqs = FractionBankQuestion.objects.filter(fraction_question_bank=fqb) #Link item bank and question bank ibfb = ItemBankFractionQuestion() ibfb.item_bank_question = ibq ibfb.fraction_bank_question = fbqs[0] ibfb.save() ibfbs = ItemBankFractionQuestion.objects.all()[0] self.assertEquals(ibfbs.item_bank_question,ibq) self.assertEquals(ibfbs.fraction_bank_question,fbqs[0])
def test_nextQuestion(self):
cat_test = CatTest()
cat_test.name = "short"
cat_test.max_items = 10
cat_test.save()
user = User.objects.create_user("john", "*****@*****.**", "johnpassword")
user.save()
domain = Domain()
domain.name = "Number"
domain.create_date = datetime.datetime(2012, 03, 06)
domain.save()
item_bank = ItemBank()
item_bank.name = "Fractions"
item_bank.topic = "Addition"
item_bank.domain = domain
item_bank.create_date = datetime.datetime(2012, 03, 06)
item_bank.save()
user_item_bank = UserItemBank()
user_item_bank.user = user
user_item_bank.item_bank = item_bank
user_item_bank.save()
ibq = ItemBankQuestion()
ibq.item_bank = item_bank
ibq.save()
user_cat_test = UserCatTest()
user_cat_test.user = user
user_cat_test.item_bank = item_bank
user_cat_test.cat_test = cat_test
user_cat_test.save()
q = user_cat_test.nextQuestion()
# One item in bank, one taken
self.assertEquals(isinstance(q, CatTestItem), True)
q = user_cat_test.nextQuestion()
# One item in bank, try to take another, should return None
self.assertEquals(isinstance(q, CatTestItem), False)
# Add more questions and see if they are repeated
for i in range(1, 11):
ibq = ItemBankQuestion()
ibq.item_bank = item_bank
ibq.save()
for i in range(1, 11):
q = user_cat_test.nextQuestion()
print q.item_bank_question.id
# Add a question of perfect difficulty and see if it is chosen amongst others
for i in range(1, 11):
ibq = ItemBankQuestion()
ibq.item_bank = item_bank
ibq.save()
user_cat_test.difficulty = 2
user_cat_test.stand_err = 0.1
hibq = ItemBankQuestion()
hibq.item_bank = item_bank
hibq.difficulty = 2
hibq.save()
q = user_cat_test.nextQuestion()
self.assertEquals(q.item_bank_question, hibq)
# Make ability different to all questions and make sure one is chosen
user_cat_test.difficulty = 2
user_cat_test.stand_err = 0.1
q = user_cat_test.nextQuestion()
self.assertEquals(isinstance(q, CatTestItem), True)
