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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.Migrations.Model
{
using System.Linq;
using Xunit;
public class DropForeignKeyOperationTests
{
[Fact]
public void Can_get_and_set_properties()
{
var dropForeignKeyOperation = new DropForeignKeyOperation
{
PrincipalTable = "P",
DependentTable = "D",
Name = "Foo"
};
dropForeignKeyOperation.DependentColumns.Add("fk");
Assert.Equal("P", dropForeignKeyOperation.PrincipalTable);
Assert.Equal("D", dropForeignKeyOperation.DependentTable);
Assert.Equal("fk", dropForeignKeyOperation.DependentColumns.Single());
Assert.Equal("Foo", dropForeignKeyOperation.Name);
Assert.Equal("FK_D_P_fk", dropForeignKeyOperation.DefaultName);
Assert.False(dropForeignKeyOperation.HasDefaultName);
}
[Fact]
public void CreateDropIndexOperation_should_return_corresponding_drop_index_operation()
{
var addForeignKeyOperation
= new AddForeignKeyOperation
{
DependentTable = "D"
};
addForeignKeyOperation.DependentColumns.Add("fk");
var dropForeignKeyOperation
= new DropForeignKeyOperation(addForeignKeyOperation)
{
DependentTable = "D"
};
dropForeignKeyOperation.DependentColumns.Add("fk");
var dropIndexOperation = dropForeignKeyOperation.CreateDropIndexOperation();
Assert.Equal("D", dropIndexOperation.Table);
Assert.NotNull(dropIndexOperation.Inverse);
Assert.Equal("fk", dropIndexOperation.Columns.Single());
}
[Fact]
public void Inverse_should_return_add_foreign_key_operation()
{
var addForeignKeyOperation = new AddForeignKeyOperation();
var dropForeignKeyOperation = new DropForeignKeyOperation(addForeignKeyOperation);
Assert.Same(addForeignKeyOperation, dropForeignKeyOperation.Inverse);
}
}
}
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