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tests.py
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import unittest
from disklist import DiskList
class TestDiskList(unittest.TestCase):
def test_add(self):
"""
Test the + operator
"""
dlist1 = DiskList()
dlist2 = DiskList()
dlist1.append('1')
dlist1.append('2')
dlist2.append('3')
dlist2.append('4')
dlist = dlist1 + dlist2
self.assertTrue(len(dlist) == 4)
def test_getitem(self):
"""
Test the [] operator for getting items
"""
dlist = DiskList()
dlist.append('0')
dlist.append('1')
dlist.append('2')
dlist.append('3')
self.assertTrue(dlist[0] == '0' and dlist[1] == '1' and dlist[2] == '2' and dlist[-1] == '3')
def test_setitem(self):
"""
Test the [] operator for setting items
"""
dlist = DiskList()
dlist.append('0')
dlist.append('1')
dlist.append('2')
dlist.append('3')
dlist[0] = '10'
self.assertTrue(dlist[0] == '10' and dlist[1] == '1' and dlist[2] == '2' and dlist[-1] == '3')
def test_delitem(self):
"""
Test the [] operator for deleting items
"""
dlist = DiskList()
dlist.append('0')
dlist.append('1')
dlist.append('2')
dlist.append('3')
del dlist[0]
self.assertTrue(dlist[0] == '1' and dlist[1] == '2' and dlist[-1] == '3')
def test_remove(self):
"""
Test the remove method
"""
dlist = DiskList()
dlist.append('0')
dlist.append('1')
dlist.append('2')
dlist.append('3')
dlist.append('0')
dlist.remove('0')
self.assertTrue(dlist[0] == '1' and dlist[1] == '2' and dlist[2] == '3' and dlist[3] == '0')
def test_pop_without_index(self):
"""
Test the pop method without index
"""
dlist = DiskList()
dlist.append('0')
dlist.append('1')
dlist.append('2')
dlist.append('3')
result = dlist.pop()
self.assertTrue(dlist[0] == '0' and dlist[1] == '1' and dlist[2] == '2' and result == '3' and len(dlist) == 3)
def test_pop_with_index(self):
"""
Test the pop method without index
"""
dlist = DiskList()
dlist.append('0')
dlist.append('1')
dlist.append('2')
dlist.append('3')
result = dlist.pop(2)
self.assertTrue(dlist[0] == '0' and dlist[1] == '1' and dlist[2] == '3' and result == '2' and len(dlist) == 3)
def test_index(self):
"""
Test the index method
"""
dlist = DiskList()
dlist.append('0')
dlist.append('1')
dlist.append('2')
dlist.append('3')
self.assertTrue(dlist.index('2') == 2)
def test_index_with_bounds(self):
"""
Test the index method with bounds
"""
dlist = DiskList()
dlist.append('0')
dlist.append('1')
dlist.append('2')
dlist.append('3')
self.assertRaises(ValueError, lambda: dlist.index('2', 0, 1))
def test_clear(self):
"""
Test the clear method
"""
dlist = DiskList()
dlist.append('0')
dlist.append('1')
dlist.clear()
self.assertTrue(len(dlist) == 0)
def test_len(self):
"""
Test the len() function
"""
dlist = DiskList()
self.assertTrue(len(dlist) == 0)
def test_append(self):
"""
Test appending new items
"""
dlist = DiskList()
dlist.append('0')
dlist.append('1')
dlist.append('2')
dlist.append('3')
self.assertTrue(len(dlist) == 4)
def test_extend(self):
"""
Test the extend method
"""
dlist = DiskList()
dlist.extend(['0', '1', '2', '3'])
self.assertTrue(len(dlist) == 4)
def test_insert(self):
"""
Test inserting new items
"""
dlist = DiskList()
dlist.append('0')
dlist.append('1')
dlist.append('2')
dlist.append('3')
dlist.insert(1, '10')
self.assertTrue(len(dlist) == 5 and dlist[1] == '10')
def test_iteration(self):
"""
Test iterating through the DiskList
"""
dlist = DiskList()
dlist.append('0')
dlist.append('1')
dlist.append('2')
dlist.append('3')
result_list = []
for item in dlist:
result_list.append(item)
self.assertTrue(
result_list[0] == '0' and
result_list[1] == '1' and
result_list[2] == '2' and
result_list[3] == '3'
)
def test_count(self):
"""
Test count method
"""
dlist = DiskList()
dlist.append('0')
dlist.append('1')
dlist.append('3')
dlist.append('3')
self.assertTrue(dlist.count('1') == 1 and dlist.count('3') == 2 and dlist.count('1337') == 0)
def test_clear_not_empty(self):
"""
Test clear method
"""
dlist = DiskList()
dlist.append('0')
dlist.append('1')
dlist.append('2')
dlist.append('3')
dlist.clear()
self.assertTrue(len(dlist) == 0)
def test_clear_empty(self):
"""
Test clear method when list is empty
"""
dlist = DiskList()
dlist.clear()
self.assertTrue(len(dlist) == 0)
def test_use_cache(self):
"""
Test using cache
"""
dlist = DiskList(cache_size=10)
l1 = []
l2 = []
l3 = []
l4 = []
for i in range(100):
dlist.append(i)
l1.append(i)
for i in dlist:
l2.append(i)
for i in dlist:
l3.append(i)
l4 = dlist[0:50]
for i in dlist[50:]:
l4.append(i)
self.assertTrue(all([i == j and j == k and k == l for i, j, k, l in zip(l1, l2, l3, l4)]))
def test_use_cache_bigger_than_list(self):
"""
Test using cache
"""
dlist = DiskList(cache_size=1000)
l1 = []
l2 = []
l3 = []
l4 = []
for i in range(100):
dlist.append(i)
l1.append(i)
for i in dlist:
l2.append(i)
for i in dlist:
l3.append(i)
l4 = dlist[0:50]
for i in dlist[50:]:
l4.append(i)
self.assertTrue(all([i == j and j == k and k == l for i, j, k, l in zip(l1, l2, l3, l4)]))
def test_use_cache_of_1(self):
"""
Test using cache
"""
dlist = DiskList(cache_size=1)
l1 = []
l2 = []
l3 = []
l4 = []
for i in range(100):
dlist.append(i)
l1.append(i)
for i in dlist:
l2.append(i)
for i in dlist:
l3.append(i)
l4 = dlist[0:50]
for i in dlist[50:]:
l4.append(i)
self.assertTrue(all([i == j and j == k and k == l for i, j, k, l in zip(l1, l2, l3, l4)]))
def test_use_cache_of_0(self):
"""
Test using cache
"""
dlist = DiskList(cache_size=0)
l1 = []
l2 = []
l3 = []
l4 = []
for i in range(100):
dlist.append(i)
l1.append(i)
for i in dlist:
l2.append(i)
for i in dlist:
l3.append(i)
l4 = dlist[0:50]
for i in dlist[50:]:
l4.append(i)
self.assertTrue(all([i == j and j == k and k == l for i, j, k, l in zip(l1, l2, l3, l4)]))
if __name__ == '__main__':
unittest.main()