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

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# -*- coding: utf-8 -*-

"""Test CLR field support."""

import System

import pytest

from Python.Test import FieldTest

def test_public_instance_field():

"""Test public instance fields."""

ob = FieldTest()

assert ob.PublicField == 0

ob.PublicField = 1

assert ob.PublicField == 1

with pytest.raises(TypeError):

del FieldTest().PublicField

def test_public_static_field():

"""Test public static fields."""

ob = FieldTest()

assert FieldTest.PublicStaticField == 0

FieldTest.PublicStaticField = 1

assert FieldTest.PublicStaticField == 1

assert ob.PublicStaticField == 1

ob.PublicStaticField = 0

assert ob.PublicStaticField == 0

with pytest.raises(TypeError):

del FieldTest.PublicStaticField

with pytest.raises(TypeError):

del FieldTest().PublicStaticField

def test_protected_instance_field():

"""Test protected instance fields."""

ob = FieldTest()

assert ob.ProtectedField == 0

ob.ProtectedField = 1

assert ob.ProtectedField == 1

with pytest.raises(TypeError):

del FieldTest().ProtectedField

def test_protected_static_field():

"""Test protected static fields."""

ob = FieldTest()

assert FieldTest.ProtectedStaticField == 0

FieldTest.ProtectedStaticField = 1

assert FieldTest.ProtectedStaticField == 1

assert ob.ProtectedStaticField == 1

ob.ProtectedStaticField = 0

assert ob.ProtectedStaticField == 0

with pytest.raises(TypeError):

del FieldTest.ProtectedStaticField

with pytest.raises(TypeError):

del FieldTest().ProtectedStaticField

def test_read_only_instance_field():

"""Test readonly instance fields."""

assert FieldTest().ReadOnlyField == 0

with pytest.raises(TypeError):

FieldTest().ReadOnlyField = 1

with pytest.raises(TypeError):

del FieldTest().ReadOnlyField

def test_read_only_static_field():

"""Test readonly static fields."""

ob = FieldTest()

assert FieldTest.ReadOnlyStaticField == 0

assert ob.ReadOnlyStaticField == 0

with pytest.raises(TypeError):

FieldTest.ReadOnlyStaticField = 1

with pytest.raises(TypeError):

FieldTest().ReadOnlyStaticField = 1

with pytest.raises(TypeError):

del FieldTest.ReadOnlyStaticField

with pytest.raises(TypeError):

del FieldTest().ReadOnlyStaticField

def test_constant_field():

"""Test const fields."""

ob = FieldTest()

assert FieldTest.ConstField == 0

assert ob.ConstField == 0

with pytest.raises(TypeError):

FieldTest().ConstField = 1

with pytest.raises(TypeError):

FieldTest.ConstField = 1

with pytest.raises(TypeError):

del FieldTest().ConstField

with pytest.raises(TypeError):

del FieldTest.ConstField

def test_internal_field():

"""Test internal fields."""

with pytest.raises(AttributeError):

_ = FieldTest().InternalField

with pytest.raises(AttributeError):

_ = FieldTest().InternalStaticField

with pytest.raises(AttributeError):

_ = FieldTest.InternalStaticField

def test_private_field():

"""Test private fields."""

with pytest.raises(AttributeError):

_ = FieldTest().PrivateField

with pytest.raises(AttributeError):

_ = FieldTest().PrivateStaticField

with pytest.raises(AttributeError):

_ = FieldTest.PrivateStaticField

def test_field_descriptor_get_set():

"""Test field descriptor get / set."""

# This test ensures that setting an attribute implemented with

# a descriptor actually goes through the descriptor (rather than

# silently replacing the descriptor in the instance or type dict.

ob = FieldTest()

assert FieldTest.PublicStaticField == 0

assert ob.PublicStaticField == 0

descriptor = FieldTest.__dict__['PublicStaticField']

assert type(descriptor) != int

ob.PublicStaticField = 0

descriptor = FieldTest.__dict__['PublicStaticField']

assert type(descriptor) != int

FieldTest.PublicStaticField = 0

descriptor = FieldTest.__dict__['PublicStaticField']

assert type(descriptor) != int

def test_field_descriptor_wrong_type():

"""Test setting a field using a value of the wrong type."""

with pytest.raises(TypeError):

FieldTest().PublicField = "spam"

def test_field_descriptor_abuse():

"""Test field descriptor abuse."""

desc = FieldTest.__dict__['PublicField']

with pytest.raises(TypeError):

desc.__get__(0, 0)

with pytest.raises(TypeError):

desc.__set__(0, 0)

def test_boolean_field():

"""Test boolean fields."""

ob = FieldTest()

assert ob.BooleanField is False

ob.BooleanField = True

assert ob.BooleanField is True

ob.BooleanField = False

assert ob.BooleanField is False

with pytest.raises(TypeError):

ob.BooleanField = 1

with pytest.raises(TypeError):

ob.BooleanField = 0

def test_sbyte_field():

"""Test sbyte fields."""

ob = FieldTest()

assert ob.SByteField == 0

ob.SByteField = 1

assert ob.SByteField == 1

def test_byte_field():

"""Test byte fields."""

ob = FieldTest()

assert ob.ByteField == 0

ob.ByteField = 1

assert ob.ByteField == 1

def test_char_field():

"""Test char fields."""

ob = FieldTest()

assert ob.CharField == u'A'

assert ob.CharField == 'A'

ob.CharField = 'B'

assert ob.CharField == u'B'

assert ob.CharField == 'B'

ob.CharField = u'C'

assert ob.CharField == u'C'

assert ob.CharField == 'C'

def test_int16_field():

"""Test int16 fields."""

ob = FieldTest()

assert ob.Int16Field == 0

ob.Int16Field = 1

assert ob.Int16Field == 1

def test_int32_field():

"""Test int32 fields."""

ob = FieldTest()

assert ob.Int32Field == 0

ob.Int32Field = 1

assert ob.Int32Field == 1

def test_int64_field():

"""Test int64 fields."""

ob = FieldTest()

assert ob.Int64Field == 0

ob.Int64Field = 1

assert ob.Int64Field == 1

def test_uint16_field():

"""Test uint16 fields."""

ob = FieldTest()

assert ob.UInt16Field == 0

ob.UInt16Field = 1

assert ob.UInt16Field == 1

def test_uint32_field():

"""Test uint32 fields."""

ob = FieldTest()

assert ob.UInt32Field == 0

ob.UInt32Field = 1

assert ob.UInt32Field == 1

def test_uint64_field():

"""Test uint64 fields."""

ob = FieldTest()

assert ob.UInt64Field == 0

ob.UInt64Field = 1

assert ob.UInt64Field == 1

def test_single_field():

"""Test single fields."""

ob = FieldTest()

assert ob.SingleField == 0.0

ob.SingleField = 1.1

assert ob.SingleField == System.Single(1.1)

def test_double_field():

"""Test double fields."""

ob = FieldTest()

assert ob.DoubleField == 0.0

ob.DoubleField = 1.1

assert ob.DoubleField == 1.1

def test_decimal_field():

"""Test decimal fields."""

ob = FieldTest()

assert ob.DecimalField == System.Decimal(0)

ob.DecimalField = System.Decimal(1)

assert ob.DecimalField == System.Decimal(1)

def test_string_field():

"""Test string fields."""

ob = FieldTest()

assert ob.StringField == "spam"

ob.StringField = "eggs"

assert ob.StringField == "eggs"

def test_interface_field():

"""Test interface fields."""

from Python.Test import Spam, ISpam

ob = FieldTest()

assert ISpam(ob.SpamField).GetValue() == "spam"

assert ob.SpamField.GetValue() == "spam"

ob.SpamField = Spam("eggs")

assert ISpam(ob.SpamField).GetValue() == "eggs"

assert ob.SpamField.GetValue() == "eggs"

def test_object_field():

"""Test ob fields."""

ob = FieldTest()

assert ob.ObjectField is None

ob.ObjectField = System.String("spam")

assert ob.ObjectField == "spam"

ob.ObjectField = System.Int32(1)

assert ob.ObjectField == 1

ob.ObjectField = None

assert ob.ObjectField is None

def test_enum_field():

"""Test enum fields."""

from Python.Test import ShortEnum

ob = FieldTest()

assert ob.EnumField == ShortEnum.Zero

ob.EnumField = ShortEnum.One

assert ob.EnumField == ShortEnum.One

def test_nullable_field():

"""Test nullable fields."""

ob = FieldTest()

ob.StringField = None

assert ob.StringField is None

ob.ObjectField = None

assert ob.ObjectField is None

ob.SpamField = None

assert ob.SpamField is None

# Primitive types and enums should not be set to null.

with pytest.raises(TypeError):

FieldTest().Int32Field = None

with pytest.raises(TypeError):

FieldTest().EnumField = None

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

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