87 lines
4.1 KiB
C#
87 lines
4.1 KiB
C#
// 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.Config
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{
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using System.Configuration;
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using System.Data.Entity.Internal;
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using System.Data.Entity.Resources;
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using System.Data.Entity.TestHelpers;
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using Moq;
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using Xunit;
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public class DbConfigurationLoaderTests
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{
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[Fact]
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public void TryLoadFromConfig_returns_null_if_config_element_is_missing_or_empty()
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{
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var mockConfig = new Mock<AppConfig>(new ConnectionStringSettingsCollection());
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mockConfig.Setup(m => m.ConfigurationTypeName).Returns((string)null);
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Assert.Null(new DbConfigurationLoader().TryLoadFromConfig(mockConfig.Object));
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mockConfig.Setup(m => m.ConfigurationTypeName).Returns("");
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Assert.Null(new DbConfigurationLoader().TryLoadFromConfig(mockConfig.Object));
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mockConfig.Setup(m => m.ConfigurationTypeName).Returns("");
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Assert.Null(new DbConfigurationLoader().TryLoadFromConfig(mockConfig.Object));
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}
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[Fact]
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public void TryLoadFromConfig_returns_InternalConfiguration_with_correct_DbConfiguration_type_instance()
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{
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var mockConfig = new Mock<AppConfig>(new ConnectionStringSettingsCollection());
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mockConfig.Setup(m => m.ConfigurationTypeName).Returns(typeof(FunctionalTestsConfiguration).AssemblyQualifiedName);
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Assert.IsType<FunctionalTestsConfiguration>(new DbConfigurationLoader().TryLoadFromConfig(mockConfig.Object).Owner);
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}
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[Fact]
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public void TryLoadFromConfig_throws_if_type_cannot_be_loaded()
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{
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var mockConfig = new Mock<AppConfig>(new ConnectionStringSettingsCollection());
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mockConfig.Setup(m => m.ConfigurationTypeName).Returns("I.Is.Not.A.Type");
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var loader = new DbConfigurationLoader();
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Assert.Equal(
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Strings.DbConfigurationTypeNotFound("I.Is.Not.A.Type"),
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Assert.Throws<InvalidOperationException>(() => loader.TryLoadFromConfig(mockConfig.Object)).Message);
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}
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[Fact]
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public void TryLoadFromConfig_throws_if_type_does_not_extend_DbConfiguration()
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{
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var mockConfig = new Mock<AppConfig>(new ConnectionStringSettingsCollection());
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mockConfig.Setup(m => m.ConfigurationTypeName).Returns(typeof(Random).AssemblyQualifiedName);
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var loader = new DbConfigurationLoader();
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Assert.Equal(
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Strings.CreateInstance_BadDbConfigurationType(typeof(Random).ToString(), typeof(DbConfiguration).ToString()),
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Assert.Throws<InvalidOperationException>(() => loader.TryLoadFromConfig(mockConfig.Object)).Message);
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}
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[Fact]
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public void AppConfigContainsDbConfigurationType_returns_false_if_config_element_is_missing_or_empty()
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{
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var mockConfig = new Mock<AppConfig>(new ConnectionStringSettingsCollection());
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mockConfig.Setup(m => m.ConfigurationTypeName).Returns((string)null);
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Assert.False(new DbConfigurationLoader().AppConfigContainsDbConfigurationType(mockConfig.Object));
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mockConfig.Setup(m => m.ConfigurationTypeName).Returns("");
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Assert.False(new DbConfigurationLoader().AppConfigContainsDbConfigurationType(mockConfig.Object));
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mockConfig.Setup(m => m.ConfigurationTypeName).Returns("");
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Assert.False(new DbConfigurationLoader().AppConfigContainsDbConfigurationType(mockConfig.Object));
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}
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[Fact]
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public void AppConfigContainsDbConfigurationType_returns_true_if_config_element_is_specified()
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{
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var mockConfig = new Mock<AppConfig>(new ConnectionStringSettingsCollection());
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mockConfig.Setup(m => m.ConfigurationTypeName).Returns(typeof(FunctionalTestsConfiguration).AssemblyQualifiedName);
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Assert.True(new DbConfigurationLoader().AppConfigContainsDbConfigurationType(mockConfig.Object));
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}
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}
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}
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