def test_filtered(self):
baselist = [1, 2, 3]
evenlist = smartlist.list(
baselist,
transform=lambda x: str(x),
untransform=lambda x: int(x),
filter=lambda x: x % 2 == 0
)
self.assertEqual(["2"], list(evenlist))
baselist.append(4)
self.assertEqual(["2", "4"], list(evenlist))
evenlist.insert_before(0, "0")
self.assertEqual(["0", "2", "4"], list(evenlist))
self.assertEqual([1, 0, 2, 3, 4], baselist)
evenlist.insert_after(0, "8")
self.assertEqual(["0", "8", "2", "4"], list(evenlist))
self.assertEqual([1, 0, 8, 2, 3, 4], baselist)
evenlist.sort()
self.assertEqual(["0", "2", "4", "8"], list(evenlist))
self.assertEqual([1, 0, 2, 4, 3, 8], baselist)
evenlist.reverse()
self.assertEqual(["8", "4", "2", "0"], list(evenlist))
self.assertEqual([1, 8, 4, 2, 3, 0], baselist)
self.assertEqual("0", evenlist.pop())
self.assertEqual(["8", "4", "2"], list(evenlist))
self.assertEqual([1, 8, 4, 2, 3], baselist)
self.assertEqual("4", evenlist.pop(1))
self.assertEqual(["8", "2"], list(evenlist))
self.assertEqual([1, 8, 2, 3], baselist)
evenlist.remove("8")
self.assertEqual(["2"], list(evenlist))
self.assertEqual([1, 2, 3], baselist)
def test_modification_orig(self): baselist = [1, 2, 3] mylist = smartlist.list( baselist, transform=lambda x: str(x), untransform=lambda x: int(x) ) self.assertEqual(3, len(mylist)) baselist[1] = 5 baselist.append(4) self.assertEqual(["1", "5", "3", "4"], list(mylist)) del baselist[2] self.assertEqual(["1", "5", "4"], list(mylist)) baselist.extend([7, 8]) self.assertEqual(["1", "5", "4", "7", "8"], list(mylist))
def test_serialize(self):
baselist = [1, 2, 3]
mylist = smartlist.list(
baselist,
transform=lambda x: str(x),
untransform=lambda x: int(x)
)
self.assertEqual(["1", "2", "3"], list(mylist))
self.assertEqual(1, mylist.count("2"))
self.assertEqual(2, mylist.index("3"))
self.assertEqual("2", mylist[1])
self.assertEqual(["1", "2"], mylist[:2])
self.assertEqual(["2", "3"], mylist[1:3])
self.assertEqual(["3", "2"], mylist[2:0:-1])
self.assertTrue("2" in mylist)
reallist = list(mylist)
for item in mylist:
self.assertEqual(reallist.pop(0), item)
def test_modification_other(self):
baselist = [1, 2, 3]
mylist = smartlist.list(
baselist,
transform=lambda x: str(x),
untransform=lambda x: int(x)
)
self.assertEqual(3, len(baselist))
self.assertEqual(3, len(mylist))
mylist[1] = '5'
mylist.append('4')
self.assertEqual([1, 5, 3, 4], baselist)
del mylist[2]
self.assertEqual([1, 5, 4], baselist)
mylist.extend(['7', '8'])
self.assertEqual([1, 5, 4, 7, 8], baselist)
self.assertEqual('8', mylist.pop())
self.assertEqual([1, 5, 4, 7], baselist)
self.assertEqual('4', mylist.pop(2))
self.assertEqual([1, 5, 7], baselist)
