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test_exercise3.py
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test_exercise3.py
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#!/usr/bin/env python
""" Assignment 2, Exercise 3, INF1340, Fall, 2015. DBMS
Test module for exercise3.py
"""
__authors__ = 'Paniz Pakravan', 'Shu Yun Susan Shen'
__emails__ = 'p.pakravan@mail.utoronto.ca', 'shuyun.shen@mail.utoronto.ca'
__date__ = '06 November 2015'
from exercise3 import union, intersection, difference
###########
# TABLES ##
###########
GRADUATES = [["Number", "Surname", "Age"],
[7274, "Robinson", 37],
[7432, "O'Malley", 39],
[9824, "Darkes", 38]]
MANAGERS = [["Number", "Surname", "Age"],
[9297, "O'Malley", 56],
[7432, "O'Malley", 39],
[9824, "Darkes", 38]]
FRIENDS1 = [["Number", "Name", "Age"],
[1111, "Rachel", 37],
[2222, "Joey", 39],
[3333, "Ross", 38]]
FRIENDS2 = [["Number", "Name", "Age"],
[4444, "Monica", 56],
[2222, "Joey", 39],
[3333, "Ross", 38]]
#####################
# HELPER FUNCTIONS ##
#####################
def is_equal(t1, t2):
return set(map(tuple, t1)) == set(map(tuple, t2))
###################
# TEST FUNCTIONS ##
###################
def test_union():
"""
Test union operation.
"""
result = [["Number", "Surname", "Age"],
[7274, "Robinson", 37],
[9297, "O'Malley", 56],
[7432, "O'Malley", 39],
[9824, "Darkes", 38]]
assert is_equal(result, union(GRADUATES, MANAGERS))
def test_union_advanced():
"""
Test union operation.
"""
result = [["Number", "Name", "Age"],
[1111, "Rachel", 37],
[4444, "Monica", 56],
[2222, "Joey", 39],
[3333, "Ross", 38]]
assert is_equal(result, union(FRIENDS1, FRIENDS2))
def test_union_negative():
"""
Test error union operation.
"""
result = [["Number", "Surname", "Age"],
[7274, "Robinson", 37],
[9297, "O'Malley", 56],
[7432, "O'Malley", 39],
[9824, "Darkes", 38]]
if not is_equal(result, union(GRADUATES, MANAGERS)):
assert True
def test_intersection():
"""
Test intersection operation.
"""
result = [["Number", "Surname", "Age"],
[7432, "O'Malley", 39],
[9824, "Darkes", 38]]
assert is_equal(result, intersection(GRADUATES, MANAGERS))
def test_intersection_advanced():
"""
Test intersection operation.
"""
result = [["Number", "Name", "Age"],
[2222, "Joey", 39],
[3333, "Ross", 38]]
assert is_equal(result, intersection(FRIENDS1, FRIENDS2))
def test_intersection_negative():
"""
Test error intersection operation.
"""
result = [["Number", "Surname", "Age"],
[7432, "O'Malley", 39],
[9824, "Darkes", 38]]
if not is_equal(result, intersection(GRADUATES, MANAGERS)):
assert True
def test_difference():
"""
Test difference operation.
"""
result = [["Number", "Surname", "Age"],
[7274, "Robinson", 37]]
assert is_equal(result, difference(GRADUATES, MANAGERS))
def test_difference_advanced():
"""
Test difference operation.
"""
result = [["Number", "Name", "Age"],
[1111, "Rachel", 37]]
assert is_equal(result, difference(FRIENDS1, FRIENDS2))
def test_difference_negative():
"""
Test error intersection operation.
"""
result = [["Number", "Surname", "Age"],
[7274, "Robinson", 37]]
if not is_equal(result, difference(GRADUATES, MANAGERS)):
assert True