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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.ModelConfiguration.Edm.UnitTests
{
using System.Collections.Generic;
using System.Data.Entity.Core.Metadata.Edm;
using System.Data.Entity.ModelConfiguration.Configuration;
using System.Data.Entity.ModelConfiguration.Configuration.Types;
using System.Data.Entity.ModelConfiguration.Mappers;
using System.Linq;
using Xunit;
public sealed class NavigationPropertyMapperTests
{
[Fact]
public void Map_should_set_namespace_when_provided_via_model_configuration()
{
var modelConfiguration
= new ModelConfiguration
{
ModelNamespace = "Foo"
};
var model = new EdmModel(DataSpace.CSpace);
var entityType = new EntityType();
model.AddEntitySet("Source", entityType);
var mappingContext = new MappingContext(modelConfiguration, new ConventionsConfiguration(), model);
new NavigationPropertyMapper(new TypeMapper(mappingContext))
.Map(
new MockPropertyInfo(new MockType("Target"), "Nav"), entityType,
() => new EntityTypeConfiguration(typeof(object)));
Assert.Equal(1, model.AssociationTypes.Count());
var associationType = model.AssociationTypes.Single();
Assert.Equal("Foo", associationType.NamespaceName);
}
[Fact]
public void Map_should_set_default_association_multiplicity_to_collection_to_optional()
{
var modelConfiguration = new ModelConfiguration();
var model = new EdmModel(DataSpace.CSpace);
var entityType = new EntityType();
model.AddEntitySet("Source", entityType);
var mappingContext = new MappingContext(modelConfiguration, new ConventionsConfiguration(), model);
new NavigationPropertyMapper(new TypeMapper(mappingContext))
.Map(
new MockPropertyInfo(new MockType("Target"), "Nav"), entityType,
() => new EntityTypeConfiguration(typeof(object)));
Assert.Equal(1, model.AssociationTypes.Count());
var associationType = model.AssociationTypes.Single();
Assert.Equal(RelationshipMultiplicity.Many, associationType.SourceEnd.RelationshipMultiplicity);
Assert.Equal(RelationshipMultiplicity.ZeroOrOne, associationType.TargetEnd.RelationshipMultiplicity);
}
[Fact]
public void Map_should_create_association_sets_for_associations()
{
var modelConfiguration = new ModelConfiguration();
var model = new EdmModel(DataSpace.CSpace);
var entityType = new EntityType
{
Name = "Source"
};
model.AddEntitySet("Source", entityType);
var mappingContext = new MappingContext(modelConfiguration, new ConventionsConfiguration(), model);
new NavigationPropertyMapper(new TypeMapper(mappingContext))
.Map(
new MockPropertyInfo(new MockType("Target"), "Nav"), entityType,
() => new EntityTypeConfiguration(typeof(object)));
Assert.Equal(1, model.Containers.Single().AssociationSets.Count);
var associationSet = model.Containers.Single().AssociationSets.Single();
Assert.NotNull(associationSet);
Assert.NotNull(associationSet.ElementType);
Assert.Equal("Source_Nav", associationSet.Name);
}
[Fact]
public void Map_should_detect_collection_associations_and_set_correct_end_kinds()
{
var modelConfiguration = new ModelConfiguration();
var model = new EdmModel(DataSpace.CSpace);
var entityType = new EntityType();
model.AddEntitySet("Source", entityType);
var mappingContext = new MappingContext(modelConfiguration, new ConventionsConfiguration(), model);
new NavigationPropertyMapper(new TypeMapper(mappingContext))
.Map(
new MockPropertyInfo(typeof(List<NavigationPropertyMapperTests>), "Nav"), entityType,
() => new EntityTypeConfiguration(typeof(object)));
Assert.Equal(1, model.AssociationTypes.Count());
var associationType = model.AssociationTypes.Single();
Assert.Equal(RelationshipMultiplicity.ZeroOrOne, associationType.SourceEnd.RelationshipMultiplicity);
Assert.Equal(RelationshipMultiplicity.Many, associationType.TargetEnd.RelationshipMultiplicity);
}
[Fact]
public void Map_should_not_detect_arrays_as_collection_associations()
{
var modelConfiguration = new ModelConfiguration();
var model = new EdmModel(DataSpace.CSpace);
var entityType = new EntityType();
var mappingContext = new MappingContext(modelConfiguration, new ConventionsConfiguration(), model);
new NavigationPropertyMapper(new TypeMapper(mappingContext))
.Map(
new MockPropertyInfo(typeof(NavigationPropertyMapperTests[]), "Nav"), entityType,
() => new EntityTypeConfiguration(typeof(object)));
Assert.Equal(0, model.AssociationTypes.Count());
}
[Fact]
public void Map_should_create_navigation_property_for_association()
{
var modelConfiguration = new ModelConfiguration();
var model = new EdmModel(DataSpace.CSpace);
var entityType = new EntityType();
model.AddEntitySet("Source", entityType);
var mappingContext = new MappingContext(modelConfiguration, new ConventionsConfiguration(), model);
new NavigationPropertyMapper(new TypeMapper(mappingContext))
.Map(
new MockPropertyInfo(new MockType("Target"), "Nav"), entityType,
() => new EntityTypeConfiguration(typeof(object)));
Assert.Equal(1, entityType.DeclaredNavigationProperties.Count);
var navigationProperty = entityType.NavigationProperties.Single();
Assert.Equal("Nav", navigationProperty.Name);
Assert.NotNull(navigationProperty.Association);
Assert.NotSame(entityType, navigationProperty.ResultEnd.GetEntityType());
}
[Fact]
public void Map_should_set_clr_property_info_on_assocation_source_end()
{
var modelConfiguration = new ModelConfiguration();
var model = new EdmModel(DataSpace.CSpace);
var entityType = new EntityType();
model.AddEntitySet("Source", entityType);
var mappingContext = new MappingContext(modelConfiguration, new ConventionsConfiguration(), model);
var mockPropertyInfo = new MockPropertyInfo(new MockType("Target"), "Nav");
new NavigationPropertyMapper(new TypeMapper(mappingContext))
.Map(
mockPropertyInfo, entityType,
() => new EntityTypeConfiguration(typeof(object)));
var associationType = model.AssociationTypes.Single();
Assert.Same(mockPropertyInfo.Object, associationType.SourceEnd.GetClrPropertyInfo());
}
}
}
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