pythonnet/tests/test_indexer.py at just · pythonnet/pythonnet · GitHub

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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

with pytest.raises(TypeError):

ob[1]

with pytest.raises(TypeError):

ob[0]

with pytest.raises(TypeError):

ob[1] = "true"

with pytest.raises(TypeError):

ob[0] = "false"

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"

with pytest.raises(TypeError):

ob[1] = "spam"

with pytest.raises(TypeError):

ob[1]

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"

def test_public_inherited_overloaded_indexer():

"""Test public indexers."""

ob = Test.PublicInheritedOverloadedIndexer()

ob[0] = "zero"

assert ob[0] == "zero"

ob[1] = "one"

assert ob[1] == "one"

assert ob[10] is None

ob["spam"] = "spam"

assert ob["spam"] == "spam"

with pytest.raises(TypeError):

ob[[]]

def test_del_indexer_dict():

"""Test deleting indexers (__delitem__)."""

from System.Collections.Generic import Dictionary, KeyNotFoundException

d = Dictionary[str, str]()

d["delme"] = "1"

with pytest.raises(KeyError):

del d["nonexistent"]

del d["delme"]

with pytest.raises(KeyError):

del d["delme"]

def test_del_indexer_list():

"""Test deleting indexers (__delitem__)."""

from System import ArgumentOutOfRangeException

from System.Collections.Generic import List

l = List[str]()

l.Add("1")

with pytest.raises(ArgumentOutOfRangeException):

del l[3]

del l[0]

assert len(l) == 0

def test_del_indexer_array():

"""Test deleting indexers (__delitem__)."""

from System import Array

l = Array[str](0)

with pytest.raises(TypeError):

del l[0]

def test_del_indexer_absent():

"""Test deleting indexers (__delitem__)."""

from System import Uri

l = Uri("http://www.example.com")

with pytest.raises(TypeError):

del l[0]

pythonnet/tests/test_indexer.py at just · pythonnet/pythonnet · GitHub

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