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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.Configuration
{
using System.Data.Entity.ModelConfiguration.Configuration.Types;
using System.Data.Entity.ModelConfiguration.Conventions;
using System.Linq;
using Xunit;
public class EntityConventionConfigurationTests
{
[Fact]
public void Where_evaluates_preconditions()
{
var conventions = new ConventionsConfiguration();
var entities = new EntityConventionConfiguration(conventions);
var ex = Assert.Throws<ArgumentNullException>(
() => entities.Where(null));
Assert.Equal("predicate", ex.ParamName);
}
[Fact]
public void Where_configures_predicates()
{
Func<Type, bool> predicate1 = t => true;
Func<Type, bool> predicate2 = t => false;
var conventions = new ConventionsConfiguration();
var entities = new EntityConventionConfiguration(conventions);
var config = entities
.Where(predicate1)
.Where(predicate2);
Assert.NotNull(config);
Assert.Same(conventions, config.ConventionsConfiguration);
Assert.Equal(2, config.Predicates.Count());
Assert.Same(predicate2, config.Predicates.Last());
}
[Fact]
public void Configure_evaluates_preconditions()
{
var conventions = new ConventionsConfiguration();
var entities = new EntityConventionConfiguration(conventions);
var ex = Assert.Throws<ArgumentNullException>(
() => entities.Configure(null));
Assert.Equal("entityConfigurationAction", ex.ParamName);
}
[Fact]
public void Configure_adds_convention()
{
Func<Type, bool> predicate = t => true;
Action<LightweightEntityConfiguration> configurationAction = c => { };
var conventions = new ConventionsConfiguration();
var entities = new EntityConventionConfiguration(conventions);
entities
.Where(predicate)
.Configure(configurationAction);
Assert.Equal(36, conventions.Conventions.Count());
var convention = (EntityConvention)conventions.Conventions.Last();
Assert.Equal(1, convention.Predicates.Count());
Assert.Same(predicate, convention.Predicates.Single());
Assert.Same(configurationAction, convention.EntityConfigurationAction);
}
[Fact]
public void Having_evaluates_preconditions()
{
var conventions = new ConventionsConfiguration();
var entities = new EntityConventionConfiguration(conventions);
var ex = Assert.Throws<ArgumentNullException>(
() => entities.Having<object>(null));
Assert.Equal("capturingPredicate", ex.ParamName);
}
[Fact]
public void Having_configures_capturing_predicate()
{
var conventions = new ConventionsConfiguration();
var entities = new EntityConventionConfiguration(conventions);
Func<Type, bool> predicate = t => true;
Func<Type, object> capturingPredicate = t => null;
var config = entities
.Where(predicate)
.Having(capturingPredicate);
Assert.NotNull(config);
Assert.Same(conventions, config.ConventionsConfiguration);
Assert.Equal(1, config.Predicates.Count());
Assert.Same(predicate, config.Predicates.Single());
Assert.Same(capturingPredicate, config.CapturingPredicate);
}
}
}
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