def test_top_students_org_dict_unmodified(self):
"""
Test the original dictionaries are unmodified after
top_students()
"""
# this funciton is implemented after setUp
# need to call top_students inside this function
# to check if dict is unmodified after function call
hw4.top_students(self.empty_class)
self.assertEqual(self.empty_class, {})
hw4.top_students(self.cs122)
self.assertEqual(self.cs122, {
'Zoe': 90,
'Alex': 93,
'Dan': 79,
'Anna': 100
})
def test_top_students_2(self):
"""Test the top_students function with n = 2."""
self.assertEqual(hw4.top_students(self.cs122, 2), ['Anna', 'Alex'])
self.assertEqual(self.cs122, {
'Zoe': 90,
'Alex': 93,
'Dan': 79,
'Anna': 100
})
def test_top_students_empty(self):
"""
Test top_student with empty dictionary and 6 argument
"""
self.assertEqual(hw4.top_students(self.empty_class, 6), [])
def test_top_students(self):
"""
Test top_student with cs122 dictionary and no argument
"""
self.assertEqual(hw4.top_students(self.cs122), ['Anna', 'Alex', 'Zoe'])
def test_top_students_10(self):
"""
Test top_student with cs122 dictionary and 10 argument
"""
self.assertEqual(hw4.top_students(self.cs122, 10),
['Anna', 'Alex', 'Zoe', 'Dan'])
def test_top_students_empty(self):
"""Test the top_students function with empty dictionary."""
self.assertEqual(hw4.top_students(self.empty_class, 6), [])
def test_top_students_default(self):
"""Test the top_students function default parameter."""
self.assertEqual(len(hw4.top_students(self.cs122)), 3)
def test_top_students(self):
"""Continues to test several test cases for top_students()."""
self.assertEqual(hw4.top_students(self.cs122, 2), ['Anna', 'Alex'])
self.assertEqual(hw4.top_students(self.cs122, 10),
['Anna', 'Alex', 'Zoe', 'Dan'])
self.assertEqual(hw4.top_students(self.empty_class, 6), [])
def test_top_students_default_args(self):
"""Test if top_students() works with default argument."""
self.assertEqual(hw4.top_students(self.cs122), ['Anna', 'Alex', 'Zoe'])