32 строки
1.1 KiB
C#
32 строки
1.1 KiB
C#
// Copyright (c) Microsoft. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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using Microsoft.EntityFrameworkCore;
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using NSubstitute;
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using System.Collections.Generic;
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using System.Linq;
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using Xunit;
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namespace PartsUnlimited
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{
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public static class Extensions
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{
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public static DbSet<T> ToDbSet<T>(this IEnumerable<T> items)
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where T : class
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{
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var dbset = (DbSet<T>)Substitute.For(new[] { typeof(DbSet<T>), typeof(IQueryable<T>) }, null);
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Assert.IsAssignableFrom<IQueryable<T>>(dbset);
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Assert.IsAssignableFrom<DbSet<T>>(dbset);
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var queryable = items.AsQueryable();
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((IQueryable<T>)dbset).Provider.Returns(queryable.Provider);
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((IQueryable<T>)dbset).Expression.Returns(queryable.Expression);
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((IQueryable<T>)dbset).ElementType.Returns(queryable.ElementType);
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((IQueryable<T>)dbset).GetEnumerator().Returns(queryable.GetEnumerator());
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return dbset;
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}
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}
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} |