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test_field.py
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392 lines (259 loc) · 8.51 KB
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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."""
# change this to true / false later for Python 2.3?
ob = FieldTest()
assert ob.BooleanField is False
ob.BooleanField = True
assert ob.BooleanField is True
ob.BooleanField = False
assert ob.BooleanField is False
ob.BooleanField = 1
assert ob.BooleanField is True
ob.BooleanField = 0
assert ob.BooleanField is False
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 == 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