Port test_userlist to PyUnit and add a few tests to increase code
coverage. From SF patch #662807
This commit is contained in:
Walter Dörwald
parent
298e421453
commit
7585229bbf
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@ -1,201 +1,261 @@
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# Check every path through every method of UserList
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from UserList import UserList
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from test.test_support import TestFailed
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import unittest, test.test_support
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# Use check instead of assert so -O doesn't render the
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# test useless.
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# XXX: could use the verify function in test_support instead
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def check(predicate, msg):
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if not predicate:
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raise TestFailed(msg + " failed")
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class UserListTest(unittest.TestCase):
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l0 = []
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l1 = [0]
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l2 = [0, 1]
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def test_constructors(self):
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l0 = []
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l1 = [0]
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l2 = [0, 1]
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# Test constructors
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u = UserList()
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u0 = UserList(l0)
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u1 = UserList(l1)
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u2 = UserList(l2)
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u = UserList()
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u0 = UserList(l0)
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u1 = UserList(l1)
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u2 = UserList(l2)
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uu = UserList(u)
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uu0 = UserList(u0)
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uu1 = UserList(u1)
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uu2 = UserList(u2)
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uu = UserList(u)
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uu0 = UserList(u0)
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uu1 = UserList(u1)
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uu2 = UserList(u2)
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v = UserList(tuple(u))
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class OtherList:
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def __init__(self, initlist):
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self.__data = initlist
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def __len__(self):
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return len(self.__data)
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def __getitem__(self, i):
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return self.__data[i]
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v0 = UserList(OtherList(u0))
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vv = UserList("this is also a sequence")
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v = UserList(tuple(u))
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class OtherList:
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def __init__(self, initlist):
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self.__data = initlist
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def __len__(self):
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return len(self.__data)
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def __getitem__(self, i):
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return self.__data[i]
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v0 = UserList(OtherList(u0))
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vv = UserList("this is also a sequence")
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def test_repr(self):
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l0 = []
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l2 = [0, 1, 2]
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u0 = UserList(l0)
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u2 = UserList(l2)
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# Test __repr__
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self.assertEqual(str(u0), str(l0))
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self.assertEqual(repr(u0), repr(l0))
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self.assertEqual(`u2`, `l2`)
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check(str(u0) == str(l0), "str(u0) == str(l0)")
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check(repr(u1) == repr(l1), "repr(u1) == repr(l1)")
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check(`u2` == `l2`, "`u2` == `l2`")
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def test_cmplen(self):
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l0 = []
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l1 = [0]
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l2 = [0, 1]
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# Test __cmp__ and __len__
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# Test constructors
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def mycmp(a, b):
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r = cmp(a, b)
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if r < 0: return -1
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if r > 0: return 1
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return r
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u = UserList()
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u0 = UserList(l0)
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u1 = UserList(l1)
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u2 = UserList(l2)
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all = [l0, l1, l2, u, u0, u1, u2, uu, uu0, uu1, uu2]
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for a in all:
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for b in all:
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check(mycmp(a, b) == mycmp(len(a), len(b)),
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"mycmp(a, b) == mycmp(len(a), len(b))")
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uu = UserList(u)
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uu0 = UserList(u0)
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uu1 = UserList(u1)
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uu2 = UserList(u2)
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# Test __getitem__
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def mycmp(x, y):
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r = cmp(x, y)
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if r < 0: return -1
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if r > 0: return 1
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return r
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for i in range(len(u2)):
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check(u2[i] == i, "u2[i] == i")
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all = [l0, l1, l2, u, u0, u1, u2, uu, uu0, uu1, uu2]
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for a in all:
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for b in all:
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self.assertEqual(mycmp(a, b), mycmp(len(a), len(b)))
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# Test __setitem__
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self.assert_(u0 <= u2)
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self.assert_(u2 >= u0)
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uu2[0] = 0
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uu2[1] = 100
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try:
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uu2[2] = 200
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except IndexError:
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pass
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else:
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raise TestFailed("uu2[2] shouldn't be assignable")
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def test_getitem(self):
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u = UserList([0, 1, 2])
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for i in xrange(len(u)):
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self.assertEqual(u[i], i)
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# Test __delitem__
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def test_setitem(self):
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u = UserList([0, 1])
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u[0] = 0
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u[1] = 100
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self.assertEqual(u, [0, 100])
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self.assertRaises(IndexError, u.__setitem__, 2, 200)
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del uu2[1]
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del uu2[0]
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try:
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del uu2[0]
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except IndexError:
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pass
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else:
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raise TestFailed("uu2[0] shouldn't be deletable")
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def test_delitem(self):
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u = UserList([0, 1])
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del u[1]
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del u[0]
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self.assertRaises(IndexError, u.__delitem__, 0)
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# Test __getslice__
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def test_getslice(self):
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l = [0, 1]
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u = UserList(l)
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for i in xrange(-3, 4):
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self.assertEqual(u[:i], l[:i])
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self.assertEqual(u[i:], l[i:])
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for j in xrange(-3, 4):
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self.assertEqual(u[i:j], l[i:j])
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for i in range(-3, 4):
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check(u2[:i] == l2[:i], "u2[:i] == l2[:i]")
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check(u2[i:] == l2[i:], "u2[i:] == l2[i:]")
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for j in range(-3, 4):
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check(u2[i:j] == l2[i:j], "u2[i:j] == l2[i:j]")
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def test_setslice(self):
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l = [0, 1]
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u = UserList(l)
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# Test __setslice__
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# Test __setslice__
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for i in range(-3, 4):
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u[:i] = l[:i]
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self.assertEqual(u, l)
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u2 = u[:]
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u2[:i] = u[:i]
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self.assertEqual(u2, u)
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u[i:] = l[i:]
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self.assertEqual(u, l)
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u2 = u[:]
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u2[i:] = u[i:]
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self.assertEqual(u2, u)
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for j in range(-3, 4):
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u[i:j] = l[i:j]
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self.assertEqual(u, l)
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u2 = u[:]
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u2[i:j] = u[i:j]
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self.assertEqual(u2, u)
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for i in range(-3, 4):
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u2[:i] = l2[:i]
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check(u2 == l2, "u2 == l2")
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u2[i:] = l2[i:]
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check(u2 == l2, "u2 == l2")
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for j in range(-3, 4):
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u2[i:j] = l2[i:j]
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check(u2 == l2, "u2 == l2")
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uu2 = u2[:]
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uu2[:0] = [-2, -1]
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self.assertEqual(uu2, [-2, -1, 0, 1])
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uu2[0:] = []
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self.assertEqual(uu2, [])
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uu2 = u2[:]
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uu2[:0] = [-2, -1]
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check(uu2 == [-2, -1, 0, 1], "uu2 == [-2, -1, 0, 1]")
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uu2[0:] = []
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check(uu2 == [], "uu2 == []")
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def test_contains(self):
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u = UserList([0, 1, 2])
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for i in u:
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self.assert_(i in u)
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for i in min(u)-1, max(u)+1:
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self.assert_(i not in u)
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# Test __contains__
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for i in u2:
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check(i in u2, "i in u2")
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for i in min(u2)-1, max(u2)+1:
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check(i not in u2, "i not in u2")
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def test_delslice(self):
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u = UserList([0, 1])
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del u[1:2]
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del u[0:1]
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self.assertEqual(u, [])
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# Test __delslice__
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u = UserList([0, 1])
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del u[1:]
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del u[:1]
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self.assertEqual(u, [])
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uu2 = u2[:]
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del uu2[1:2]
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del uu2[0:1]
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check(uu2 == [], "uu2 == []")
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def test_addmul(self):
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u1 = UserList([0])
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u2 = UserList([0, 1])
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self.assertEqual(u1, u1 + [])
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self.assertEqual(u1, [] + u1)
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self.assertEqual(u1 + [1], u2)
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self.assertEqual([-1] + u1, [-1, 0])
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self.assertEqual(u2, u2*1)
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self.assertEqual(u2, 1*u2)
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self.assertEqual(u2+u2, u2*2)
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self.assertEqual(u2+u2, 2*u2)
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self.assertEqual(u2+u2+u2, u2*3)
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self.assertEqual(u2+u2+u2, 3*u2)
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uu2 = u2[:]
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del uu2[1:]
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del uu2[:1]
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check(uu2 == [], "uu2 == []")
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def test_add_specials(self):
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u = UserList("spam")
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u2 = u + "eggs"
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self.assertEqual(u2, list("spameggs"))
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# Test __add__, __radd__, __mul__ and __rmul__
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def test_radd_specials(self):
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u = UserList("eggs")
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u2 = "spam" + u
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self.assertEqual(u2, list("spameggs"))
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u2 = u.__radd__(UserList("spam"))
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self.assertEqual(u2, list("spameggs"))
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check(u1 + [] == [] + u1 == u1, "u1 + [] == [] + u1 == u1")
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check(u1 + [1] == u2, "u1 + [1] == u2")
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check([-1] + u1 == [-1, 0], "[-1] + u1 == [-1, 0]")
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check(u2 == u2*1 == 1*u2, "u2 == u2*1 == 1*u2")
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check(u2+u2 == u2*2 == 2*u2, "u2+u2 == u2*2 == 2*u2")
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check(u2+u2+u2 == u2*3 == 3*u2, "u2+u2+u2 == u2*3 == 3*u2")
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def test_append(self):
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u = UserList((0, ))
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u.append(1)
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self.assertEqual(u, [0, 1])
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# Test append
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def test_insert(self):
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u = UserList((0, 1))
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u.insert(0, -1)
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self.assertEqual(u, [-1, 0, 1])
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u = u1[:]
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u.append(1)
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check(u == u2, "u == u2")
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def test_pop(self):
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u = UserList((-1, 0, 1))
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u.pop()
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self.assertEqual(u, [-1, 0])
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u.pop(0)
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self.assertEqual(u, [0])
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# Test insert
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def test_remove(self):
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u = UserList((0, 1))
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u.remove(1)
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self.assertEqual(u, [0])
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u = u2[:]
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u.insert(0, -1)
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check(u == [-1, 0, 1], "u == [-1, 0, 1]")
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def test_count(self):
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u = UserList((0, 1))*3
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self.assertEqual(u.count(0), 3)
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self.assertEqual(u.count(1), 3)
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self.assertEqual(u.count(2), 0)
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# Test pop
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def test_index(self):
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u = UserList((0, 1))
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self.assertEqual(u.index(0), 0)
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self.assertEqual(u.index(1), 1)
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self.assertRaises(ValueError, u.index, 2)
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u = [-1] + u2
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u.pop()
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check(u == [-1, 0], "u == [-1, 0]")
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u.pop(0)
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check(u == [0], "u == [0]")
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def test_reverse(self):
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u = UserList((0, 1))
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u2 = u[:]
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u.reverse()
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self.assertEqual(u, [1, 0])
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u.reverse()
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self.assertEqual(u, u2)
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# Test remove
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def test_sort(self):
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u = UserList([1, 0])
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u.sort()
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self.assertEqual(u, [0, 1])
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u = u2[:]
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u.remove(1)
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check(u == u1, "u == u1")
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def test_slice(self):
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u = UserList("spam")
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u[:2] = "h"
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self.assertEqual(u, list("ham"))
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# Test count
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u = u2*3
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check(u.count(0) == 3, "u.count(0) == 3")
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check(u.count(1) == 3, "u.count(1) == 3")
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check(u.count(2) == 0, "u.count(2) == 0")
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def test_iadd(self):
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u = UserList((0, 1))
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u += [0, 1]
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self.assertEqual(u, [0, 1, 0, 1])
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u += UserList([0, 1])
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self.assertEqual(u, [0, 1, 0, 1, 0, 1])
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u = UserList("spam")
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u += "eggs"
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self.assertEqual(u, list("spameggs"))
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# Test index
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def test_extend(self):
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u1 = UserList((0, ))
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u2 = UserList((0, 1))
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u = u1[:]
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u.extend(u2)
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self.assertEqual(u, u1 + u2)
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check(u2.index(0) == 0, "u2.index(0) == 0")
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check(u2.index(1) == 1, "u2.index(1) == 1")
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try:
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u2.index(2)
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except ValueError:
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pass
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else:
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raise TestFailed("expected ValueError")
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u = UserList("spam")
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u.extend("eggs")
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self.assertEqual(u, list("spameggs"))
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# Test reverse
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def test_imul(self):
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u = UserList((0, 1))
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u *= 3
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self.assertEqual(u, [0, 1, 0, 1, 0, 1])
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u = u2[:]
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u.reverse()
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check(u == [1, 0], "u == [1, 0]")
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u.reverse()
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check(u == u2, "u == u2")
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def test_main():
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suite = unittest.TestSuite()
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suite.addTest(unittest.makeSuite(UserListTest))
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test.test_support.run_suite(suite)
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# Test sort
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if __name__ == "__main__":
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test_main()
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u = UserList([1, 0])
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u.sort()
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check(u == u2, "u == u2")
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# Test extend
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u = u1[:]
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u.extend(u2)
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check(u == u1 + u2, "u == u1 + u2")
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