58 lines
1.9 KiB
C#
58 lines
1.9 KiB
C#
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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
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namespace System.Data.Entity.Utilities
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{
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using System.Collections.Generic;
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using System.Data.Common;
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using System.Linq;
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using Xunit;
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public class ProviderRowFinderTests : TestBase
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{
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[Fact]
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public void FindRow_filters_by_hint_type_when_provided()
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{
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HintTest(typeof(DbContext));
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}
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[Fact]
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public void FindRow_considers_all_assemblies_when_hint_type_is_null()
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{
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HintTest(null);
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}
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private static void HintTest(Type hintType)
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{
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var foundRows = new List<DataRow>();
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new ProviderRowFinder(CreateTestRows())
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.FindRow(
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hintType,
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r =>
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{
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foundRows.Add(r);
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return false;
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});
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Assert.Equal(hintType == null ? 3 : 1, foundRows.Count);
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Assert.Equal(1, foundRows.Count(r => (string)r["AssemblyQualifiedName"] == typeof(DbContext).AssemblyQualifiedName));
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}
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[Fact]
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public void FindRow_returns_null_when_no_row_matches()
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{
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Assert.Null(new ProviderRowFinder(CreateTestRows()).FindRow(null, r => false));
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}
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private static IEnumerable<DataRow> CreateTestRows()
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{
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return new[]
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{
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CreateProviderRow("Row1", "Row.1", typeof(DbConnection).AssemblyQualifiedName),
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CreateProviderRow("Row2", "Row.2", typeof(DbContext).AssemblyQualifiedName),
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CreateProviderRow("Row3", "Row.3", typeof(TestBase).AssemblyQualifiedName),
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};
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}
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}
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}
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