Move list and tuple tests from test_types.py to their own scripts:

test_tuple.py and test_list.py. Common tests for tuple, list and UserList
are shared (in seq_tests.py and list_tests.py). Port tests to PyUnit.
(From SF patch #736962)

1 files changed, 171 insertions, 0 deletions

diff --git a/Lib/test/seq_tests.py b/Lib/test/seq_tests.py
new file mode 100644
index 0000000..f702b09
--- /dev/null
+++ b/Lib/test/seq_tests.py
@@ -0,0 +1,171 @@
+"""
+Tests common to tuple, list and UserList.UserList
+"""
+
+import unittest
+from test import test_support
+
+class CommonTest(unittest.TestCase):
+    # The type to be tested
+    type2test = None
+
+    def test_constructors(self):
+        l0 = []
+        l1 = [0]
+        l2 = [0, 1]
+
+        u = self.type2test()
+        u0 = self.type2test(l0)
+        u1 = self.type2test(l1)
+        u2 = self.type2test(l2)
+
+        uu = self.type2test(u)
+        uu0 = self.type2test(u0)
+        uu1 = self.type2test(u1)
+        uu2 = self.type2test(u2)
+
+        v = self.type2test(tuple(u))
+        class OtherSeq:
+            def __init__(self, initseq):
+                self.__data = initseq
+            def __len__(self):
+                return len(self.__data)
+            def __getitem__(self, i):
+                return self.__data[i]
+        s = OtherSeq(u0)
+        v0 = self.type2test(s)
+        self.assertEqual(len(v0), len(s))
+
+        s = "this is also a sequence"
+        vv = self.type2test(s)
+        self.assertEqual(len(vv), len(s))
+
+    def test_truth(self):
+        self.assert_(not self.type2test())
+        self.assert_(self.type2test([42]))
+
+    def test_getitem(self):
+        u = self.type2test([0, 1, 2, 3, 4])
+        for i in xrange(len(u)):
+            self.assertEqual(u[i], i)
+        for i in xrange(-len(u), -1):
+            self.assertEqual(u[i], len(u)+i)
+        self.assertRaises(IndexError, u.__getitem__, -len(u)-1)
+        self.assertRaises(IndexError, u.__getitem__, len(u))
+
+        u = self.type2test()
+        self.assertRaises(IndexError, u.__getitem__, 0)
+        self.assertRaises(IndexError, u.__getitem__, -1)
+
+        self.assertRaises(TypeError, u.__getitem__)
+
+    def test_getslice(self):
+        l = [0, 1, 2, 3, 4]
+        u = self.type2test(l)
+
+        self.assertEqual(u[0:0], self.type2test())
+        self.assertEqual(u[1:2], self.type2test([1]))
+        self.assertEqual(u[-2:-1], self.type2test([3]))
+        self.assertEqual(u[-1000:1000], u)
+        self.assertEqual(u[1000:-1000], self.type2test([]))
+        self.assertEqual(u[:], u)
+        self.assertEqual(u[1:None], self.type2test([1, 2, 3, 4]))
+        self.assertEqual(u[None:3], self.type2test([0, 1, 2]))
+
+        # Extended slices
+        self.assertEqual(u[::], u)
+        self.assertEqual(u[::2], self.type2test([0, 2, 4]))
+        self.assertEqual(u[1::2], self.type2test([1, 3]))
+        self.assertEqual(u[::-1], self.type2test([4, 3, 2, 1, 0]))
+        self.assertEqual(u[::-2], self.type2test([4, 2, 0]))
+        self.assertEqual(u[3::-2], self.type2test([3, 1]))
+        self.assertEqual(u[3:3:-2], self.type2test([]))
+        self.assertEqual(u[3:2:-2], self.type2test([3]))
+        self.assertEqual(u[3:1:-2], self.type2test([3]))
+        self.assertEqual(u[3:0:-2], self.type2test([3, 1]))
+        self.assertEqual(u[::-100], self.type2test([4]))
+        self.assertEqual(u[100:-100:], self.type2test([]))
+        self.assertEqual(u[-100:100:], u)
+        self.assertEqual(u[100:-100:-1], u[::-1])
+        self.assertEqual(u[-100:100:-1], self.type2test([]))
+        self.assertEqual(u[-100L:100L:2L], self.type2test([0, 2, 4]))
+
+        # Test extreme cases with long ints
+        a = self.type2test([0,1,2,3,4])
+        self.assertEqual(a[ -pow(2,128L): 3 ], self.type2test([0,1,2]))
+        self.assertEqual(a[ 3: pow(2,145L) ], self.type2test([3,4]))
+
+        self.assertRaises(TypeError, u.__getslice__)
+
+    def test_contains(self):
+        u = self.type2test([0, 1, 2])
+        for i in u:
+            self.assert_(i in u)
+        for i in min(u)-1, max(u)+1:
+            self.assert_(i not in u)
+
+        self.assertRaises(TypeError, u.__contains__)
+
+    def test_len(self):
+        self.assertEqual(len(self.type2test()), 0)
+        self.assertEqual(len(self.type2test([])), 0)
+        self.assertEqual(len(self.type2test([0])), 1)
+        self.assertEqual(len(self.type2test([0, 1, 2])), 3)
+
+    def test_minmax(self):
+        u = self.type2test([0, 1, 2])
+        self.assertEqual(min(u), 0)
+        self.assertEqual(max(u), 2)
+
+    def test_addmul(self):
+        u1 = self.type2test([0])
+        u2 = self.type2test([0, 1])
+        self.assertEqual(u1, u1 + self.type2test())
+        self.assertEqual(u1, self.type2test() + u1)
+        self.assertEqual(u1 + self.type2test([1]), u2)
+        self.assertEqual(self.type2test([-1]) + u1, self.type2test([-1, 0]))
+        self.assertEqual(self.type2test(), u2*0)
+        self.assertEqual(self.type2test(), 0*u2)
+        self.assertEqual(self.type2test(), u2*0L)
+        self.assertEqual(self.type2test(), 0L*u2)
+        self.assertEqual(u2, u2*1)
+        self.assertEqual(u2, 1*u2)
+        self.assertEqual(u2, u2*1L)
+        self.assertEqual(u2, 1L*u2)
+        self.assertEqual(u2+u2, u2*2)
+        self.assertEqual(u2+u2, 2*u2)
+        self.assertEqual(u2+u2, u2*2L)
+        self.assertEqual(u2+u2, 2L*u2)
+        self.assertEqual(u2+u2+u2, u2*3)
+        self.assertEqual(u2+u2+u2, 3*u2)
+
+        class subclass(self.type2test):
+            pass
+        u3 = subclass([0, 1])
+        self.assertEqual(u3, u3*1)
+        self.assert_(u3 is not u3*1)
+
+    def test_iadd(self):
+        u = self.type2test([0, 1])
+        u += self.type2test()
+        self.assertEqual(u, self.type2test([0, 1]))
+        u += self.type2test([2, 3])
+        self.assertEqual(u, self.type2test([0, 1, 2, 3]))
+        u += self.type2test([4, 5])
+        self.assertEqual(u, self.type2test([0, 1, 2, 3, 4, 5]))
+
+        u = self.type2test("spam")
+        u += self.type2test("eggs")
+        self.assertEqual(u, self.type2test("spameggs"))
+
+    def test_imul(self):
+        u = self.type2test([0, 1])
+        u *= 3
+        self.assertEqual(u, self.type2test([0, 1, 0, 1, 0, 1]))
+
+    def test_getitemoverwriteiter(self):
+        # Verify that __getitem__ overrides are not recognized by __iter__
+        class T(self.type2test):
+            def __getitem__(self, key):
+                return str(key) + '!!!'
+        self.assertEqual(iter(T((1,2))).next(), 1)