def test_setitem(self):
l = rom.List(connection=self.conn, key="l")
l.value = ["one", "two"]
l[0] = "three"
l[1] = "four"
self.assertEqual(["three", "four"], l.value)
self.assertRaises(IndexError, l.__setitem__, 2, "five")
def test_len(self):
l = rom.List(connection=self.conn, key="l")
self.assertEqual(0, len(l))
l.value = ["x", "y"]
self.assertEqual(2, len(l))
l.append("z")
self.assertEqual(3, len(l))
def test_append(self):
l = rom.List(connection=self.conn, key="l")
size = l.append("a")
self.assertEqual(["a"], l.value)
self.assertEqual(1, size)
size = l.append("b")
self.assertEqual(["a", "b"], l.value)
self.assertEqual(2, size)
def test_getitem(self):
l = rom.List(connection=self.conn, key="l")
self.assertRaises(IndexError, l.__getitem__, 0)
self.assertRaises(TypeError, l.__getitem__, "cat")
l.append("x")
self.assertEqual("x", l[0])
l.extend(["y", "z"])
self.assertEqual("y", l[1])
self.assertEqual("z", l[2])
self.assertRaises(IndexError, l.__getitem__, 3)
def test_value(self):
l = rom.List(connection=self.conn, key="l")
self.assertEqual([], l.value)
native_list = ["one", "two"]
l.value = native_list
self.assertEqual(native_list, l.value)
# make sure that reassignment clears the old values
native_list = ["three", "four"]
l.value = native_list
self.assertEqual(native_list, l.value)
self.assertEqual(str(native_list), str(l))
def test_value_encode_decode(self):
l = rom.List(connection=self.conn,
key='l',
value_encoder=rom.json_enc,
value_decoder=rom.json_dec)
e0 = {'arbitrary': 3}
e1 = ['data', 7.2]
l.extend([e0, e1])
r0 = l[0]
self.assertEqual(e0, r0)
r1 = l[1]
self.assertEqual(e1, r1)
def test_iterator(self):
l = rom.List(connection=self.conn, key="l")
l.value = ["a", "b", "c"]
self.assertEqual(["a", "b", "c"], l.value)
def test_extend(self):
l = rom.List(connection=self.conn, key="l")
l.extend(["a", "b"])
self.assertEqual(["a", "b"], l.value)
l.extend(["c", "d"])
self.assertEqual(["a", "b", "c", "d"], l.value)