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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
namespace ProductivityApiUnitTests
{
using System.Data.Entity;
using System.Data.Entity.Infrastructure;
using System.Data.Entity.Internal;
using System.Linq;
using Moq;
using Xunit;
public class ModelHashCalculatorTests : TestBase
{
[Fact]
public void ModelHashCalculator_clones_the_model_builder()
{
var mockBuilder = new Mock<DbModelBuilder>
{
CallBase = true
};
var mockModel = CreateMockCompiledModel(mockBuilder, new DbModelBuilder());
new ModelHashCalculator().Calculate(mockModel.Object);
mockBuilder.Verify(m => m.Clone());
}
[Fact]
public void ModelHashCalculator_includes_EdmMetadata_in_the_hash()
{
var clone = new DbModelBuilder();
var mockBuilder = new Mock<DbModelBuilder>
{
CallBase = true
};
var mockModel = CreateMockCompiledModel(mockBuilder, clone);
new ModelHashCalculator().Calculate(mockModel.Object);
#pragma warning disable 612,618
Assert.True(clone.ModelConfiguration.Entities.Contains(typeof(EdmMetadata)));
Assert.False(mockBuilder.Object.ModelConfiguration.Entities.Contains(typeof(EdmMetadata)));
#pragma warning restore 612,618
}
private Mock<DbCompiledModel> CreateMockCompiledModel(Mock<DbModelBuilder> mockBuilder, DbModelBuilder clone)
{
mockBuilder.Setup(m => m.Clone()).Returns(clone);
var mockModel = new Mock<DbCompiledModel>();
mockModel.Setup(m => m.ProviderInfo).Returns(ProviderRegistry.Sql2008_ProviderInfo);
mockModel.Setup(m => m.CachedModelBuilder).Returns(mockBuilder.Object);
return mockModel;
}
[Fact]
public void ModelHashCalculator_creates_expected_model_hash_for_empty_builder()
{
// If this hash changes then it may mean that people upgrading from a previous version
// will be forced to update their databases when in reality they have not changed anything.
var builder = new DbModelBuilder();
Assert.Equal(
"B8F62AABEADFA7D4C6855DFBCEA0BCD540A7BF1D3226CF8DF9421CC06FD1ABD6",
new ModelHashCalculator().Calculate(
new DbModel(builder.Build(ProviderRegistry.Sql2008_ProviderInfo).DatabaseMapping, builder).Compile()));
}
}
}
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