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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
namespace System.Data.Entity.Internal
{
using System.Collections.Generic;
using System.Data.Entity.Resources;
using Moq;
using Xunit;
public class InternalEntityPropertyEntryTests
{
#region Helper methods
private static void SetWrongTypeTest(Action<InternalEntityPropertyEntry> setValue)
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.RefTypePropertyMetadata);
Assert.Equal(
Strings.DbPropertyValues_WrongTypeForAssignment(
typeof(Random).Name, "RefTypeProp", typeof(string).Name, typeof(FakeWithProps).Name),
Assert.Throws<InvalidOperationException>(() => setValue(propEntry)).Message);
}
private static void SetWrongComplexTypeTest(Action<InternalEntityPropertyEntry> setValue)
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.ComplexPropertyMetadata);
Assert.Equal(
Strings.DbPropertyValues_AttemptToSetValuesFromWrongObject(typeof(Random).Name, typeof(FakeWithProps).Name),
Assert.Throws<ArgumentException>(() => setValue(propEntry)).Message);
}
#endregion
public class OriginalValues
{
[Fact]
public void Scalar_original_value_can_be_set()
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.ValueTypePropertyMetadata);
propEntry.OriginalValue = -1;
Assert.Equal(-1, entityEntry.OriginalValues["ValueTypeProp"]);
}
[Fact]
public void Scalar_original_value_can_be_read()
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.ValueTypePropertyMetadata);
var value = propEntry.OriginalValue;
Assert.Equal(21, value);
}
[Fact]
public void Scalar_original_value_can_be_set_to_null()
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.RefTypePropertyMetadata);
propEntry.OriginalValue = null;
Assert.Null(entityEntry.OriginalValues["RefTypeProp"]);
}
[Fact]
public void Scalar_original_value_can_be_read_when_when_it_is_null()
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.RefTypePropertyMetadata);
propEntry.OriginalValue = null;
var value = propEntry.OriginalValue;
Assert.Null(value);
}
[Fact]
public void Original_value_for_scalar_property_cannot_be_set_to_instance_of_wrong_type()
{
SetWrongTypeTest(e => e.OriginalValue = new Random());
}
[Fact]
public void Original_value_returned_for_complex_property_is_object_instance()
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.ComplexPropertyMetadata);
var value = (FakeWithProps)propEntry.OriginalValue;
Assert.Equal(22, value.ValueTypeProp);
Assert.Equal(23, value.ComplexProp.ValueTypeProp);
}
[Fact]
public void Original_value_returned_for_complex_property_can_be_null()
{
var properties = new Dictionary<string, object>
{
{ "ComplexProp", null }
};
var originalValues = new TestInternalPropertyValues<FakeWithProps>(properties, new[] { "ComplexProp" });
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry(null, originalValues).Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.ComplexPropertyMetadata);
var value = propEntry.OriginalValue;
Assert.Null(value);
}
[Fact]
public void Complex_original_value_can_be_set()
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.ComplexPropertyMetadata);
propEntry.OriginalValue = new FakeWithProps
{
ValueTypeProp = -2,
ComplexProp = new FakeWithProps
{
ValueTypeProp = -3
}
};
Assert.Equal(21, entityEntry.OriginalValues["ValueTypeProp"]);
Assert.Equal(-2, ((InternalPropertyValues)entityEntry.OriginalValues["ComplexProp"])["ValueTypeProp"]);
Assert.Equal(
-3,
((InternalPropertyValues)((InternalPropertyValues)entityEntry.OriginalValues["ComplexProp"])["ComplexProp"])[
"ValueTypeProp"]);
}
[Fact]
public void Original_value_for_complex_property_cannot_be_set_to_null()
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.ComplexPropertyMetadata);
Assert.Equal(
Strings.DbPropertyValues_ComplexObjectCannotBeNull("ComplexProp", "FakeWithProps"),
Assert.Throws<InvalidOperationException>(() => propEntry.OriginalValue = null).Message);
}
[Fact]
public void Original_value_for_complex_property_cannot_be_set_to_null_even_if_it_is_already_null()
{
var properties = new Dictionary<string, object>
{
{ "ComplexProp", null }
};
var originalValues = new TestInternalPropertyValues<FakeWithProps>(properties, new[] { "ComplexProp" });
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry(null, originalValues).Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.ComplexPropertyMetadata);
Assert.Equal(
Strings.DbPropertyValues_ComplexObjectCannotBeNull("ComplexProp", "FakeWithProps"),
Assert.Throws<InvalidOperationException>(() => propEntry.OriginalValue = null).Message);
}
[Fact]
public void Original_value_for_complex_property_cannot_be_set_to_instance_with_nested_null_complex_property()
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.ComplexPropertyMetadata);
var complexObject = new FakeWithProps
{
ValueTypeProp = -2,
ComplexProp = null
};
Assert.Equal(
Strings.DbPropertyValues_ComplexObjectCannotBeNull("ComplexProp", typeof(FakeWithProps).Name),
Assert.Throws<InvalidOperationException>(() => propEntry.OriginalValue = complexObject).Message);
}
[Fact]
public void Original_value_for_complex_property_cannot_be_set_to_instance_of_wrong_type()
{
SetWrongComplexTypeTest(e => e.OriginalValue = new Random());
}
}
public class CurrentValues
{
[Fact]
public void Scalar_current_value_can_be_set()
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.ValueTypePropertyMetadata);
propEntry.CurrentValue = -1;
Assert.Equal(-1, entityEntry.CurrentValues["ValueTypeProp"]);
}
[Fact]
public void Scalar_current_value_can_be_read()
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.ValueTypePropertyMetadata);
var value = propEntry.CurrentValue;
Assert.Equal(11, value);
}
[Fact]
public void Scalar_current_value_can_be_set_to_null()
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.RefTypePropertyMetadata);
propEntry.CurrentValue = null;
Assert.Null(entityEntry.CurrentValues["RefTypeProp"]);
}
[Fact]
public void Current_value_for_scalar_property_cannot_be_set_to_instance_of_wrong_type()
{
SetWrongTypeTest(e => e.CurrentValue = new Random());
}
[Fact]
public void Current_value_returned_for_complex_property_is_actual_complex_object_instance()
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.ComplexPropertyMetadata);
var entity = (FakeWithProps)entityEntry.Entity;
var value = (FakeWithProps)propEntry.CurrentValue;
Assert.Same(entity.ComplexProp, value);
Assert.Equal(12, value.ValueTypeProp);
Assert.Equal(13, value.ComplexProp.ValueTypeProp);
}
[Fact]
public void Current_value_returned_for_complex_property_can_be_null()
{
var properties = new Dictionary<string, object>
{
{ "ComplexProp", null }
};
var currentValues = new TestInternalPropertyValues<FakeWithProps>(properties, new[] { "ComplexProp" });
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry(currentValues).Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.ComplexPropertyMetadata);
var value = propEntry.CurrentValue;
Assert.Null(value);
}
[Fact]
public void Complex_current_value_can_be_set_and_the_actual_complex_object_is_set()
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.ComplexPropertyMetadata);
var entity = (FakeWithProps)entityEntry.Entity;
var complexObject = new FakeWithProps
{
ValueTypeProp = -2,
ComplexProp = new FakeWithProps
{
ValueTypeProp = -3
}
};
propEntry.CurrentValue = complexObject;
Assert.Same(entity.ComplexProp, complexObject);
Assert.Equal(-2, entity.ComplexProp.ValueTypeProp);
Assert.Equal(-3, entity.ComplexProp.ComplexProp.ValueTypeProp);
Assert.Equal(11, entityEntry.CurrentValues["ValueTypeProp"]);
Assert.Equal(-2, ((InternalPropertyValues)entityEntry.CurrentValues["ComplexProp"])["ValueTypeProp"]);
Assert.Equal(
-3,
((InternalPropertyValues)((InternalPropertyValues)entityEntry.CurrentValues["ComplexProp"])["ComplexProp"])[
"ValueTypeProp"]);
}
[Fact]
public void Current_value_for_complex_property_cannot_be_set_to_null()
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.ComplexPropertyMetadata);
Assert.Equal(
Strings.DbPropertyValues_ComplexObjectCannotBeNull("ComplexProp", "FakeWithProps"),
Assert.Throws<InvalidOperationException>(() => propEntry.CurrentValue = null).Message);
}
[Fact]
public void Current_value_for_complex_property_cannot_be_set_to_null_even_if_it_is_already_null()
{
var properties = new Dictionary<string, object>
{
{ "ComplexProp", null }
};
var currentValues = new TestInternalPropertyValues<FakeWithProps>(properties, new[] { "ComplexProp" });
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry(currentValues).Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.ComplexPropertyMetadata);
Assert.Equal(
Strings.DbPropertyValues_ComplexObjectCannotBeNull("ComplexProp", "FakeWithProps"),
Assert.Throws<InvalidOperationException>(() => propEntry.CurrentValue = null).Message);
}
[Fact]
public void Current_value_for_complex_property_cannot_be_set_to_instance_with_nested_null_complex_property()
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.ComplexPropertyMetadata);
var complexObject = new FakeWithProps
{
ValueTypeProp = -2,
ComplexProp = null
};
Assert.Equal(
Strings.DbPropertyValues_ComplexObjectCannotBeNull("ComplexProp", typeof(FakeWithProps).Name),
Assert.Throws<InvalidOperationException>(() => propEntry.CurrentValue = complexObject).Message);
}
[Fact]
public void Current_value_for_complex_property_cannot_be_set_to_instance_of_wrong_type()
{
SetWrongComplexTypeTest(e => e.CurrentValue = new Random());
}
}
public class IsModified
{
[Fact]
public void IsModified_returns_true_if_property_is_in_modified_list()
{
// Note that CreateMockInternalEntry sets ValueTypeProp as modified
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.ValueTypePropertyMetadata);
Assert.True(propEntry.IsModified);
}
[Fact]
public void IsModified_returns_false_if_property_is_not_in_modified_list()
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.RefTypePropertyMetadata);
Assert.False(propEntry.IsModified);
}
[Fact]
public void IsModified_can_be_set_to_true_when_it_is_currently_false()
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.RefTypePropertyMetadata);
var mockStateEntry = Mock.Get(entityEntry.ObjectStateEntry);
Assert.False(propEntry.IsModified);
propEntry.IsModified = true;
Assert.True(propEntry.IsModified);
mockStateEntry.Verify(e => e.SetModifiedProperty("RefTypeProp"));
}
[Fact]
public void IsModified_can_be_set_to_true_when_it_is_currently_true()
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.ValueTypePropertyMetadata);
Assert.True(propEntry.IsModified);
propEntry.IsModified = true;
Assert.True(propEntry.IsModified);
}
[Fact]
public void IsModified_can_be_set_to_false_when_it_is_currently_false()
{
var entityEntry = FakeWithProps.CreateMockInternalEntityEntry().Object;
var propEntry = new InternalEntityPropertyEntry(entityEntry, FakeWithProps.RefTypePropertyMetadata);
Assert.False(propEntry.IsModified);
propEntry.IsModified = false;
Assert.False(propEntry.IsModified);
}
}
public class Name
{
[Fact]
public void Non_generic_DbPropertyEntry_Name_returns_name_of_property_from_internal_entry()
{
var internalEntry = new InternalEntityPropertyEntry(
new Mock<InternalEntityEntryForMock<FakeEntity>>().Object,
FakeEntity.FakeNamedFooPropertyMetadata);
Assert.Equal("Foo", internalEntry.Name);
}
[Fact]
public void Generic_DbPropertyEntry_Name_returns_name_of_property_from_internal_entry()
{
var internalEntry = new InternalEntityPropertyEntry(
new Mock<InternalEntityEntryForMock<FakeEntity>>().Object,
FakeEntity.FakeNamedFooPropertyMetadata);
Assert.Equal("Foo", internalEntry.Name);
}
[Fact]
public void Non_generic_DbReferenceEntry_Name_returns_name_of_property_from_internal_entry()
{
var internalEntry = new InternalReferenceEntry(
new Mock<InternalEntityEntryForMock<FakeEntity>>().Object, FakeWithProps.ReferenceMetadata);
Assert.Equal("Reference", internalEntry.Name);
}
[Fact]
public void Generic_DbReferenceEntry_Name_returns_name_of_property_from_internal_entry()
{
var internalEntry = new InternalReferenceEntry(
new Mock<InternalEntityEntryForMock<FakeEntity>>().Object, FakeWithProps.ReferenceMetadata);
Assert.Equal("Reference", internalEntry.Name);
}
[Fact]
public void Non_generic_DbCollectionEntry_Name_returns_name_of_property_from_internal_entry()
{
var internalEntry = new InternalCollectionEntry(
new Mock<InternalEntityEntryForMock<FakeEntity>>().Object, FakeWithProps.CollectionMetadata);
Assert.Equal("Collection", internalEntry.Name);
}
[Fact]
public void Generic_DbCollectionEntry_Name_returns_name_of_property_from_internal_entry()
{
var internalEntry = new InternalCollectionEntry(
new Mock<InternalEntityEntryForMock<FakeEntity>>().Object, FakeWithProps.CollectionMetadata);
Assert.Equal("Collection", internalEntry.Name);
}
}
}
}
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