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test_indexer.py
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648 lines (445 loc) · 14 KB
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# -*- coding: utf-8 -*-
"""Test support for indexer properties."""
import Python.Test as Test
import pytest
def test_public_indexer():
"""Test public indexers."""
ob = Test.PublicIndexerTest()
ob[0] = "zero"
assert ob[0] == "zero"
ob[1] = "one"
assert ob[1] == "one"
assert ob[10] is None
def test_protected_indexer():
"""Test protected indexers."""
ob = Test.ProtectedIndexerTest()
ob[0] = "zero"
assert ob[0] == "zero"
ob[1] = "one"
assert ob[1] == "one"
assert ob[10] is None
def test_internal_indexer():
"""Test internal indexers."""
ob = Test.InternalIndexerTest()
with pytest.raises(TypeError):
ob[0] = "zero"
with pytest.raises(TypeError):
Test.InternalIndexerTest.__getitem__(ob, 0)
with pytest.raises(AttributeError):
ob.__getitem__(0)
def test_private_indexer():
"""Test private indexers."""
ob = Test.PrivateIndexerTest()
with pytest.raises(TypeError):
ob[0] = "zero"
with pytest.raises(TypeError):
Test.PrivateIndexerTest.__getitem__(ob, 0)
with pytest.raises(AttributeError):
ob.__getitem__(0)
def test_boolean_indexer():
"""Test boolean indexers."""
ob = Test.BooleanIndexerTest()
assert ob[True] is None
assert ob[1] is None
ob[0] = "false"
assert ob[0] == "false"
ob[1] = "true"
assert ob[1] == "true"
ob[False] = "false"
assert ob[False] == "false"
ob[True] = "true"
assert ob[True] == "true"
def test_byte_indexer():
"""Test byte indexers."""
ob = Test.ByteIndexerTest()
max_ = 255
min_ = 0
assert ob[max_] is None
ob[max_] = str(max_)
assert ob[max_] == str(max_)
ob[min_] = str(min_)
assert ob[min_] == str(min_)
with pytest.raises(TypeError):
ob = Test.ByteIndexerTest()
ob["wrong"]
with pytest.raises(TypeError):
ob = Test.ByteIndexerTest()
ob["wrong"] = "wrong"
def test_sbyte_indexer():
"""Test sbyte indexers."""
ob = Test.SByteIndexerTest()
max_ = 127
min_ = -128
assert ob[max_] is None
ob[max_] = str(max_)
assert ob[max_] == str(max_)
ob[min_] = str(min_)
assert ob[min_] == str(min_)
with pytest.raises(TypeError):
ob = Test.SByteIndexerTest()
ob["wrong"]
with pytest.raises(TypeError):
ob = Test.SByteIndexerTest()
ob["wrong"] = "wrong"
def test_char_indexer():
"""Test char indexers."""
ob = Test.CharIndexerTest()
max_ = chr(65535)
min_ = chr(0)
assert ob[max_] is None
ob[max_] = "max_"
assert ob[max_] == "max_"
ob[min_] = "min_"
assert ob[min_] == "min_"
with pytest.raises(TypeError):
ob = Test.CharIndexerTest()
ob["wrong"]
with pytest.raises(TypeError):
ob = Test.CharIndexerTest()
ob["wrong"] = "wrong"
def test_int16_indexer():
"""Test Int16 indexers."""
ob = Test.Int16IndexerTest()
max_ = 32767
min_ = -32768
assert ob[max_] is None
ob[max_] = str(max_)
assert ob[max_] == str(max_)
ob[min_] = str(min_)
assert ob[min_] == str(min_)
with pytest.raises(TypeError):
ob = Test.Int16IndexerTest()
ob["wrong"]
with pytest.raises(TypeError):
ob = Test.Int16IndexerTest()
ob["wrong"] = "wrong"
def test_int32_indexer():
"""Test Int32 indexers."""
ob = Test.Int32IndexerTest()
max_ = 2147483647
min_ = -2147483648
assert ob[max_] is None
ob[max_] = str(max_)
assert ob[max_] == str(max_)
ob[min_] = str(min_)
assert ob[min_] == str(min_)
with pytest.raises(TypeError):
ob = Test.Int32IndexerTest()
ob["wrong"]
with pytest.raises(TypeError):
ob = Test.Int32IndexerTest()
ob["wrong"] = "wrong"
def test_int64_indexer():
"""Test Int64 indexers."""
ob = Test.Int64IndexerTest()
max_ = 9223372036854775807
min_ = -9223372036854775808
assert ob[max_] is None
ob[max_] = str(max_)
assert ob[max_] == str(max_)
ob[min_] = str(min_)
assert ob[min_] == str(min_)
with pytest.raises(TypeError):
ob = Test.Int64IndexerTest()
ob["wrong"]
with pytest.raises(TypeError):
ob = Test.Int64IndexerTest()
ob["wrong"] = "wrong"
def test_uint16_indexer():
"""Test UInt16 indexers."""
ob = Test.UInt16IndexerTest()
max_ = 65535
min_ = 0
assert ob[max_] is None
ob[max_] = str(max_)
assert ob[max_] == str(max_)
ob[min_] = str(min_)
assert ob[min_] == str(min_)
with pytest.raises(TypeError):
ob = Test.UInt16IndexerTest()
ob["wrong"]
with pytest.raises(TypeError):
ob = Test.UInt16IndexerTest()
ob["wrong"] = "wrong"
def test_uint32_indexer():
"""Test UInt32 indexers."""
ob = Test.UInt32IndexerTest()
max_ = 4294967295
min_ = 0
assert ob[max_] is None
ob[max_] = str(max_)
assert ob[max_] == str(max_)
ob[min_] = str(min_)
assert ob[min_] == str(min_)
with pytest.raises(TypeError):
ob = Test.UInt32IndexerTest()
ob["wrong"]
with pytest.raises(TypeError):
ob = Test.UInt32IndexerTest()
ob["wrong"] = "wrong"
def test_uint64_indexer():
"""Test UInt64 indexers."""
ob = Test.UInt64IndexerTest()
max_ = 18446744073709551615
min_ = 0
assert ob[max_] is None
ob[max_] = str(max_)
assert ob[max_] == str(max_)
ob[min_] = str(min_)
assert ob[min_] == str(min_)
with pytest.raises(TypeError):
ob = Test.UInt64IndexerTest()
ob["wrong"]
with pytest.raises(TypeError):
ob = Test.UInt64IndexerTest()
ob["wrong"] = "wrong"
def test_single_indexer():
"""Test Single indexers."""
ob = Test.SingleIndexerTest()
max_ = 3.402823e38
min_ = -3.402823e38
assert ob[max_] is None
ob[max_] = "max_"
assert ob[max_] == "max_"
ob[min_] = "min_"
assert ob[min_] == "min_"
with pytest.raises(TypeError):
ob = Test.SingleIndexerTest()
ob["wrong"]
with pytest.raises(TypeError):
ob = Test.SingleIndexerTest()
ob["wrong"] = "wrong"
def test_double_indexer():
"""Test Double indexers."""
ob = Test.DoubleIndexerTest()
max_ = 1.7976931348623157e308
min_ = -1.7976931348623157e308
assert ob[max_] is None
ob[max_] = "max_"
assert ob[max_] == "max_"
ob[min_] = "min_"
assert ob[min_] == "min_"
with pytest.raises(TypeError):
ob = Test.DoubleIndexerTest()
ob["wrong"]
with pytest.raises(TypeError):
ob = Test.DoubleIndexerTest()
ob["wrong"] = "wrong"
def test_decimal_indexer():
"""Test Decimal indexers."""
ob = Test.DecimalIndexerTest()
from System import Decimal
max_d = Decimal.Parse("79228162514264337593543950335")
min_d = Decimal.Parse("-79228162514264337593543950335")
assert ob[max_d] is None
ob[max_d] = "max_"
assert ob[max_d] == "max_"
ob[min_d] = "min_"
assert ob[min_d] == "min_"
with pytest.raises(TypeError):
ob = Test.DecimalIndexerTest()
ob["wrong"]
with pytest.raises(TypeError):
ob = Test.DecimalIndexerTest()
ob["wrong"] = "wrong"
def test_string_indexer():
"""Test String indexers."""
ob = Test.StringIndexerTest()
assert ob["spam"] is None
assert ob[u"spam"] is None
ob["spam"] = "spam"
assert ob["spam"] == "spam"
assert ob["spam"] == u"spam"
assert ob[u"spam"] == "spam"
assert ob[u"spam"] == u"spam"
ob[u"eggs"] = u"eggs"
assert ob["eggs"] == "eggs"
assert ob["eggs"] == u"eggs"
assert ob[u"eggs"] == "eggs"
assert ob[u"eggs"] == u"eggs"
with pytest.raises(TypeError):
ob = Test.StringIndexerTest()
ob[1]
with pytest.raises(TypeError):
ob = Test.StringIndexerTest()
ob[1] = "wrong"
def test_enum_indexer():
"""Test enum indexers."""
ob = Test.EnumIndexerTest()
key = Test.ShortEnum.One
assert ob[key] is None
ob[key] = "spam"
assert ob[key] == "spam"
ob[key] = "eggs"
assert ob[key] == "eggs"
ob[1] = "spam"
assert ob[1] == "spam"
with pytest.raises(TypeError):
ob = Test.EnumIndexerTest()
ob["wrong"]
with pytest.raises(TypeError):
ob = Test.EnumIndexerTest()
ob["wrong"] = "wrong"
def test_object_indexer():
"""Test ob indexers."""
ob = Test.ObjectIndexerTest()
from Python.Test import Spam
spam = Spam("spam")
assert ob[spam] is None
assert ob["spam"] is None
assert ob[1] is None
assert ob[None] is None
ob[spam] = "spam"
assert ob[spam] == "spam"
ob["spam"] = "eggs"
assert ob["spam"] == "eggs"
ob[1] = "one"
assert ob[1] == "one"
ob[1] = "long"
assert ob[1] == "long"
class Eggs(object):
pass
key = Eggs()
ob = Test.ObjectIndexerTest()
ob[key] = "eggs_key"
assert ob[key] == "eggs_key"
def test_interface_indexer():
"""Test interface indexers."""
ob = Test.InterfaceIndexerTest()
from Python.Test import Spam
spam = Spam("spam")
assert ob[spam] is None
ob[spam] = "spam"
assert ob[spam] == "spam"
ob[spam] = "eggs"
assert ob[spam] == "eggs"
with pytest.raises(TypeError):
ob = Test.InterfaceIndexerTest()
ob["wrong"]
with pytest.raises(TypeError):
ob = Test.InterfaceIndexerTest()
ob["wrong"] = "wrong"
def test_typed_indexer():
"""Test typed indexers."""
ob = Test.TypedIndexerTest()
from Python.Test import Spam
spam = Spam("spam")
assert ob[spam] is None
ob[spam] = "spam"
assert ob[spam] == "spam"
ob[spam] = "eggs"
assert ob[spam] == "eggs"
with pytest.raises(TypeError):
ob = Test.TypedIndexerTest()
ob["wrong"]
with pytest.raises(TypeError):
ob = Test.TypedIndexerTest()
ob["wrong"] = "wrong"
def test_multi_arg_indexer():
"""Test indexers that take multiple index arguments."""
ob = Test.MultiArgIndexerTest()
ob[0, 1] = "zero one"
assert ob[0, 1] == "zero one"
ob[1, 9] = "one nine"
assert ob[1, 9] == "one nine"
assert ob[10, 50] is None
with pytest.raises(TypeError):
ob = Test.MultiArgIndexerTest()
_ = ob[0, "one"]
with pytest.raises(TypeError):
ob = Test.MultiArgIndexerTest()
ob[0, "one"] = "wrong"
def test_multi_type_indexer():
"""Test indexers that take multiple indices of different types."""
ob = Test.MultiTypeIndexerTest()
spam = Test.Spam("spam")
ob[0, "one", spam] = "zero one spam"
assert ob[0, "one", spam] == "zero one spam"
ob[1, "nine", spam] = "one nine spam"
assert ob[1, "nine", spam] == "one nine spam"
with pytest.raises(TypeError):
ob = Test.MultiTypeIndexerTest()
_ = ob[0, 1, spam]
with pytest.raises(TypeError):
ob = Test.MultiTypeIndexerTest()
ob[0, 1, spam] = "wrong"
def test_multi_default_key_indexer():
"""Test indexers that take multiple indices with a default
key arguments."""
# default argument is 2 in the MultiDefaultKeyIndexerTest object
ob = Test.MultiDefaultKeyIndexerTest()
ob[0, 2] = "zero one spam"
assert ob[0] == "zero one spam"
ob[1] = "one nine spam"
assert ob[1, 2] == "one nine spam"
def test_indexer_wrong_key_type():
"""Test calling an indexer using a key of the wrong type."""
with pytest.raises(TypeError):
ob = Test.PublicIndexerTest()
_ = ob["wrong"]
with pytest.raises(TypeError):
ob = Test.PublicIndexerTest()
ob["wrong"] = "spam"
def test_indexer_wrong_value_type():
"""Test calling an indexer using a value of the wrong type."""
with pytest.raises(TypeError):
ob = Test.PublicIndexerTest()
ob[1] = 9993.9
def test_unbound_indexer():
"""Test calling an unbound indexer."""
ob = Test.PublicIndexerTest()
Test.PublicIndexerTest.__setitem__(ob, 0, "zero")
assert ob[0] == "zero"
Test.PublicIndexerTest.__setitem__(ob, 1, "one")
assert ob[1] == "one"
assert ob[10] is None
def test_indexer_abuse():
"""Test indexer abuse."""
_class = Test.PublicIndexerTest
ob = Test.PublicIndexerTest()
with pytest.raises(AttributeError):
del _class.__getitem__
with pytest.raises(AttributeError):
del ob.__getitem__
with pytest.raises(AttributeError):
del _class.__setitem__
with pytest.raises(AttributeError):
del ob.__setitem__
def test_indexer_accessed_through_interface():
"""Test that indexers can be accessed through interfaces"""
from System.Collections.Generic import Dictionary, IDictionary
d = IDictionary[str, str](Dictionary[str, str]())
d["one"] = "1"
assert d["one"] == "1"
def test_using_indexer_on_object_without_indexer():
"""Test using subscript syntax on an object an without indexer raises"""
from System import Object
o = Object()
with pytest.raises(TypeError):
o[0]
with pytest.raises(TypeError):
o[0] = 1
def test_inherited_indexer():
"""Test that inherited indexers are accessible"""
from Python.Test import PublicInheritedIndexerTest
from Python.Test import ProtectedInheritedIndexerTest
from Python.Test import PrivateInheritedIndexerTest
from Python.Test import InternalInheritedIndexerTest
pub = PublicInheritedIndexerTest()
pub[0] = "zero"
assert pub[0] == "zero"
def assert_no_indexer(obj):
with pytest.raises(TypeError):
obj[0]
with pytest.raises(TypeError):
obj[0] = "zero"
assert_no_indexer(PrivateInheritedIndexerTest)
assert_no_indexer(ProtectedInheritedIndexerTest)
assert_no_indexer(InternalInheritedIndexerTest)
def test_inherited_indexer_interface():
"""Test that indexers inherited from other interfaces are accessible"""
from Python.Test import InterfaceInheritedIndexerTest, IInheritedIndexer
impl = InterfaceInheritedIndexerTest()
ifc = IInheritedIndexer(impl)
ifc[0] = "zero"
assert ifc[0] == "zero"