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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 AddPrimaryKeyOperationTests
{
[Fact]
public void Can_get_and_set_table_and_name_and_columns()
{
var addPrimaryKeyOperation = new AddPrimaryKeyOperation
{
Table = "T",
Name = "Pk"
};
addPrimaryKeyOperation.Columns.Add("pk2");
Assert.Equal("T", addPrimaryKeyOperation.Table);
Assert.Equal("Pk", addPrimaryKeyOperation.Name);
Assert.Equal("pk2", addPrimaryKeyOperation.Columns.Single());
Assert.False(addPrimaryKeyOperation.HasDefaultName);
}
[Fact]
public void Can_get_default_for_name()
{
var addPrimaryKeyOperation = new AddPrimaryKeyOperation
{
Table = "T"
};
Assert.Equal("PK_T", addPrimaryKeyOperation.Name);
Assert.True(addPrimaryKeyOperation.HasDefaultName);
}
[Fact]
public void DefaultName_is_restricted_to_128_chars()
{
var addPrimaryKeyOperation = new AddPrimaryKeyOperation
{
Table = new string('t', 150)
};
Assert.Equal(128, addPrimaryKeyOperation.DefaultName.Length);
}
[Fact]
public void Inverse_should_return_drop_operation()
{
var addPrimaryKeyOperation = new AddPrimaryKeyOperation
{
Table = "T",
Name = "Pk",
IsSystem = true
};
addPrimaryKeyOperation.Columns.Add("pk2");
var inverse = (DropPrimaryKeyOperation)addPrimaryKeyOperation.Inverse;
Assert.Equal("T", inverse.Table);
Assert.Equal("Pk", inverse.Name);
Assert.Equal("pk2", inverse.Columns.Single());
Assert.True(inverse.IsSystem);
}
}
}
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