public void CopyData_adds_operation()
{
var builder = new MigrationBuilder();
builder.CopyData("dbo.T1", new[] { "C1, C2" }, "dbo.T2", new[] { "C1, C3" });
Assert.Equal(1, builder.Operations.Count);
Assert.IsType <CopyDataOperation>(builder.Operations[0]);
var operation = (CopyDataOperation)builder.Operations[0];
Assert.Equal("dbo.T1", operation.SourceTableName);
Assert.Equal(new[] { "C1, C2" }, operation.SourceColumnNames);
Assert.Equal("dbo.T2", operation.TargetTableName);
Assert.Equal(new[] { "C1, C3" }, operation.TargetColumnNames);
}