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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.Conventions.UnitTests
{
using System.Data.Entity.Core.Metadata.Edm;
using Xunit;
public sealed class PropertyMaxLengthConventionTests
{
[Fact]
public void Apply_should_set_correct_defaults_for_unconfigured_strings()
{
var entityType = new EntityType();
var property = EdmProperty.Primitive("P", PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.String));
entityType.AddMember(property);
((IEdmConvention<EntityType>)new PropertyMaxLengthConvention())
.Apply(entityType, new EdmModel(DataSpace.CSpace));
Assert.Equal(true, property.IsUnicode);
Assert.Equal(false, property.IsFixedLength);
Assert.Null(property.MaxLength);
Assert.Equal(true, property.IsMaxLength);
}
[Fact]
public void Apply_should_set_correct_defaults_for_unicode_fixed_length_strings()
{
var entityType = new EntityType();
var property = EdmProperty.Primitive("P", PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.String));
property.IsFixedLength = true;
entityType.AddMember(property);
((IEdmConvention<EntityType>)new PropertyMaxLengthConvention())
.Apply(entityType, new EdmModel(DataSpace.CSpace));
Assert.Equal(true, property.IsUnicode);
Assert.Equal(128, property.MaxLength);
Assert.False(property.IsMaxLength);
}
[Fact]
public void Apply_should_set_correct_defaults_for_non_unicode_fixed_length_strings()
{
var entityType = new EntityType();
var property = EdmProperty.Primitive("P", PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.String));
property.IsFixedLength = true;
property.IsUnicode = false;
entityType.AddMember(property);
((IEdmConvention<EntityType>)new PropertyMaxLengthConvention())
.Apply(entityType, new EdmModel(DataSpace.CSpace));
Assert.Equal(128, property.MaxLength);
Assert.False(property.IsMaxLength);
}
[Fact]
public void Apply_should_set_correct_defaults_for_string_keys()
{
var entityType = new EntityType();
var property = EdmProperty.Primitive("P", PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.String));
entityType.AddMember(property);
entityType.AddKeyMember(property);
((IEdmConvention<EntityType>)new PropertyMaxLengthConvention())
.Apply(entityType, new EdmModel(DataSpace.CSpace));
Assert.Equal(128, property.MaxLength);
}
[Fact]
public void Apply_should_set_correct_defaults_for_unconfigured_binary()
{
var entityType = new EntityType();
var property = EdmProperty.Primitive("P", PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.Binary));
entityType.AddMember(property);
((IEdmConvention<EntityType>)new PropertyMaxLengthConvention())
.Apply(entityType, new EdmModel(DataSpace.CSpace));
Assert.Null(property.IsUnicode);
Assert.Equal(false, property.IsFixedLength);
Assert.Null(property.MaxLength);
}
[Fact]
public void Apply_should_set_correct_defaults_for_fixed_length_binary()
{
var entityType = new EntityType();
var property = EdmProperty.Primitive("P", PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.Binary));
property.IsFixedLength = true;
entityType.AddMember(property);
((IEdmConvention<EntityType>)new PropertyMaxLengthConvention())
.Apply(entityType, new EdmModel(DataSpace.CSpace));
Assert.Null(property.IsUnicode);
Assert.Equal(128, property.MaxLength);
Assert.False(property.IsMaxLength);
}
[Fact]
public void Apply_should_set_correct_defaults_for_binary_key()
{
var entityType = new EntityType();
var property = EdmProperty.Primitive("P", PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.Binary));
entityType.AddMember(property);
entityType.AddKeyMember(property);
((IEdmConvention<EntityType>)new PropertyMaxLengthConvention())
.Apply(entityType, new EdmModel(DataSpace.CSpace));
Assert.Null(property.IsUnicode);
Assert.Equal(128, property.MaxLength);
}
[Fact]
public void ComplexType_apply_should_set_correct_defaults_for_unconfigured_strings()
{
var entityType = new ComplexType("C");
var property = EdmProperty.Primitive("P", PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.String));
entityType.AddMember(property);
((IEdmConvention<ComplexType>)new PropertyMaxLengthConvention())
.Apply(entityType, new EdmModel(DataSpace.CSpace));
Assert.Equal(true, property.IsUnicode);
Assert.Equal(false, property.IsFixedLength);
Assert.Null(property.MaxLength);
Assert.Equal(true, property.IsMaxLength);
}
[Fact]
public void ComplexType_apply_should_set_correct_defaults_for_unicode_fixed_length_strings()
{
var entityType = new ComplexType("C");
var property = EdmProperty.Primitive("P", PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.String));
property.IsFixedLength = true;
entityType.AddMember(property);
((IEdmConvention<ComplexType>)new PropertyMaxLengthConvention())
.Apply(entityType, new EdmModel(DataSpace.CSpace));
Assert.Equal(true, property.IsUnicode);
Assert.Equal(128, property.MaxLength);
Assert.False(property.IsMaxLength);
}
[Fact]
public void ComplexType_apply_should_set_correct_defaults_for_non_unicode_fixed_length_strings()
{
var entityType = new ComplexType("C");
var property = EdmProperty.Primitive("P", PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.String));
property.IsFixedLength = true;
property.IsUnicode = false;
entityType.AddMember(property);
((IEdmConvention<ComplexType>)new PropertyMaxLengthConvention())
.Apply(entityType, new EdmModel(DataSpace.CSpace));
Assert.Equal(128, property.MaxLength);
Assert.False(property.IsMaxLength);
}
[Fact]
public void ComplexType_apply_should_set_correct_defaults_for_unconfigured_binary()
{
var entityType = new ComplexType("C");
var property = EdmProperty.Primitive("P", PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.Binary));
entityType.AddMember(property);
((IEdmConvention<ComplexType>)new PropertyMaxLengthConvention())
.Apply(entityType, new EdmModel(DataSpace.CSpace));
Assert.Null(property.IsUnicode);
Assert.Equal(false, property.IsFixedLength);
Assert.Null(property.MaxLength);
}
[Fact]
public void ComplexType_apply_should_set_correct_defaults_for_fixed_length_binary()
{
var entityType = new ComplexType("C");
var property = EdmProperty.Primitive("P", PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.Binary));
property.IsFixedLength = true;
entityType.AddMember(property);
((IEdmConvention<ComplexType>)new PropertyMaxLengthConvention())
.Apply(entityType, new EdmModel(DataSpace.CSpace));
Assert.Null(property.IsUnicode);
Assert.Equal(128, property.MaxLength);
Assert.False(property.IsMaxLength);
}
[Fact]
public void Apply_should_update_foreign_keys()
{
var entityType = new EntityType();
var principalProperty = EdmProperty.Primitive("P", PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.String));
principalProperty.MaxLength = 23;
entityType.AddMember(principalProperty);
entityType.AddKeyMember(principalProperty);
var associationType = new AssociationType();
associationType.SourceEnd = new AssociationEndMember("S", entityType);
associationType.TargetEnd = new AssociationEndMember("T", new EntityType());
var dependentProperty = EdmProperty.Primitive("P", PrimitiveType.GetEdmPrimitiveType(PrimitiveTypeKind.String));
associationType.Constraint
= new ReferentialConstraint(
associationType.SourceEnd,
associationType.TargetEnd,
new[] { principalProperty },
new[] { dependentProperty });
((IEdmConvention<AssociationType>)new PropertyMaxLengthConvention())
.Apply(associationType, new EdmModel(DataSpace.CSpace));
Assert.Equal(23, dependentProperty.MaxLength);
}
}
}
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