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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.Internal.ConfigFile
{
using System.Configuration;
using System.Data.Entity.Resources;
using System.IO;
using System.Linq;
using Xunit;
public class EntityFrameworkSectionTests : TestBase
{
public class DefaultConnectionFactory
{
[Fact]
public void Can_load_empty_section()
{
var config = CreateConfig(@"<entityFramework />");
var ef = (EntityFrameworkSection)config.GetSection("entityFramework");
Assert.NotNull(ef);
Assert.False(ef.DefaultConnectionFactory.ElementInformation.IsPresent);
Assert.Equal(0, ef.Contexts.Count);
}
[Fact]
public void Can_load_default_connection_factory_section()
{
var config = CreateConfig(
@"<entityFramework>
<defaultConnectionFactory type='FactoryType' />
</entityFramework>");
var ef = (EntityFrameworkSection)config.GetSection("entityFramework");
Assert.True(ef.DefaultConnectionFactory.ElementInformation.IsPresent);
Assert.Equal("FactoryType", ef.DefaultConnectionFactory.FactoryTypeName);
}
[Fact]
public void Can_load_default_connection_factory_with_parameters_section()
{
var config = CreateConfig(
@"<entityFramework>
<defaultConnectionFactory type='FactoryType'>
<parameters>
<parameter value='MyString' />
<parameter value='2' type='System.Int32' />
</parameters>
</defaultConnectionFactory>
</entityFramework>");
var ef = (EntityFrameworkSection)config.GetSection("entityFramework");
Assert.Equal(2, ef.DefaultConnectionFactory.Parameters.Count);
var p1 = ef.DefaultConnectionFactory.Parameters.Cast<ParameterElement>().ElementAt(0);
var p2 = ef.DefaultConnectionFactory.Parameters.Cast<ParameterElement>().ElementAt(1);
Assert.Equal("MyString", p1.ValueString);
Assert.Equal("System.String", p1.TypeName);
Assert.Equal("2", p2.ValueString);
Assert.Equal("System.Int32", p2.TypeName);
}
[Fact]
public void Parameter_type_defaults_to_string()
{
var config = CreateConfig(
@"<entityFramework>
<defaultConnectionFactory type='FactoryType'>
<parameters>
<parameter value='ABC' />
</parameters>
</defaultConnectionFactory>
</entityFramework>");
var ef = (EntityFrameworkSection)config.GetSection("entityFramework");
var p1 = ef.DefaultConnectionFactory.Parameters.Cast<ParameterElement>().ElementAt(0);
Assert.Equal("System.String", p1.TypeName);
}
[Fact]
public void Exception_when_connection_factory_type_name_missing()
{
var config = CreateConfig(
@"<entityFramework>
<defaultConnectionFactory />
</entityFramework>");
Assert.True(
Assert.Throws<ConfigurationErrorsException>(() => config.GetSection("entityFramework")).Message.Contains(" 'type' "));
}
[Fact]
public void Exception_when_parameter_value_missing()
{
var config = CreateConfig(
@"<entityFramework>
<defaultConnectionFactory type='FactoryType'>
<parameters>
<parameter />
</parameters>
</defaultConnectionFactory>
</entityFramework>");
Assert.True(
Assert.Throws<ConfigurationErrorsException>(() => config.GetSection("entityFramework")).Message.Contains(" 'value' "));
}
}
public class Contexts
{
[Fact]
public void Can_load_context_section()
{
var config = CreateConfig(
@"<entityFramework>
<contexts>
<context type='ContextType' />
</contexts>
</entityFramework>");
var ef = (EntityFrameworkSection)config.GetSection("entityFramework");
Assert.Equal(1, ef.Contexts.Count);
var ctx = ef.Contexts.Cast<ContextElement>().Single();
Assert.Equal("ContextType", ctx.ContextTypeName);
Assert.False(ctx.IsDatabaseInitializationDisabled);
Assert.False(ctx.DatabaseInitializer.ElementInformation.IsPresent);
}
[Fact]
public void Can_load_context_section_with_database_initializer_disabled()
{
var config = CreateConfig(
@"<entityFramework>
<contexts>
<context type='ContextType' disableDatabaseInitialization='true' />
</contexts>
</entityFramework>");
var ef = (EntityFrameworkSection)config.GetSection("entityFramework");
var ctx = ef.Contexts.Cast<ContextElement>().Single();
Assert.True(ctx.IsDatabaseInitializationDisabled);
}
[Fact]
public void Can_load_context_section_with_database_initializer_specified()
{
var config = CreateConfig(
@"<entityFramework>
<contexts>
<context type='ContextType'>
<databaseInitializer type='InitializerType' />
</context>
</contexts>
</entityFramework>");
var ef = (EntityFrameworkSection)config.GetSection("entityFramework");
var ctx = ef.Contexts.Cast<ContextElement>().Single();
Assert.True(ctx.DatabaseInitializer.ElementInformation.IsPresent);
Assert.Equal("InitializerType", ctx.DatabaseInitializer.InitializerTypeName);
Assert.Equal(0, ctx.DatabaseInitializer.Parameters.Count);
}
[Fact]
public void Can_load_context_section_with_database_initializer_specified_with_parameters()
{
var config = CreateConfig(
@"<entityFramework>
<contexts>
<context type='ContextType'>
<databaseInitializer type='InitializerType'>
<parameters>
<parameter value='MyString' />
<parameter value='2' type='System.Int32' />
</parameters>
</databaseInitializer>
</context>
</contexts>
</entityFramework>");
var ef = (EntityFrameworkSection)config.GetSection("entityFramework");
var ctx = ef.Contexts.Cast<ContextElement>().Single();
Assert.Equal(2, ctx.DatabaseInitializer.Parameters.Count);
var p1 = ctx.DatabaseInitializer.Parameters.Cast<ParameterElement>().ElementAt(0);
var p2 = ctx.DatabaseInitializer.Parameters.Cast<ParameterElement>().ElementAt(1);
Assert.Equal("MyString", p1.ValueString);
Assert.Equal("System.String", p1.TypeName);
Assert.Equal("2", p2.ValueString);
Assert.Equal("System.Int32", p2.TypeName);
}
[Fact]
public void Exception_when_context_type_name_missing()
{
var config = CreateConfig(
@"<entityFramework>
<contexts>
<context />
</contexts>
</entityFramework>");
Assert.True(
Assert.Throws<ConfigurationErrorsException>(() => config.GetSection("entityFramework")).Message.Contains(" 'type' "));
}
[Fact]
public void Exception_when_database_initializer_type_name_missing()
{
var config = CreateConfig(
@"<entityFramework>
<contexts>
<context type='ContextType'>
<databaseInitializer />
</context>
</contexts>
</entityFramework>");
Assert.True(
Assert.Throws<ConfigurationErrorsException>(() => config.GetSection("entityFramework")).Message.Contains(" 'type' "));
}
[Fact]
public void Exception_when_same_context_configured_twice()
{
var config = CreateConfig(
@"<entityFramework>
<contexts>
<context type='MyContext' />
<context type='MyContext' />
</contexts>
</entityFramework>");
Assert.True(
Assert.Throws<ConfigurationErrorsException>(() => config.GetSection("entityFramework")).Message.Contains(
Strings.ContextConfiguredMultipleTimes("MyContext")));
}
}
public class Providers
{
[Fact]
public void Providers_returns_the_configured_EF_providers()
{
var config = CreateConfig(
@"<entityFramework>
<providers>
<provider invariantName='My.Invariant1' type='MyProvider1'/>
<provider invariantName='My.Invariant2' type='MyProvider2'/>
<provider invariantName='My.Invariant3' type='MyProvider1'/>
</providers>
</entityFramework>");
var ef = (EntityFrameworkSection)config.GetSection("entityFramework");
Assert.Equal(3, ef.Providers.Count);
Assert.Equal(
"MyProvider1",
ef.Providers.OfType<ProviderElement>().Single(p => p.InvariantName == "My.Invariant1").ProviderTypeName);
Assert.Equal(
"MyProvider2",
ef.Providers.OfType<ProviderElement>().Single(p => p.InvariantName == "My.Invariant2").ProviderTypeName);
Assert.Equal(
"MyProvider1",
ef.Providers.OfType<ProviderElement>().Single(p => p.InvariantName == "My.Invariant3").ProviderTypeName);
}
[Fact]
public void Reading_config_throws_if_invariant_name_is_repeated()
{
var config = CreateConfig(
@"<entityFramework>
<providers>
<provider invariantName='My.Invariant1' type='MyProvider1'/>
<provider invariantName='My.Invariant2' type='MyProvider2'/>
<provider invariantName='My.Invariant1' type='MyProvider3'/>
</providers>
</entityFramework>");
Assert.True(
Assert.Throws<ConfigurationErrorsException>(() => config.GetSection("entityFramework")).Message.Contains(
Strings.ProviderInvariantRepeatedInConfig("My.Invariant1")));
}
}
private static Configuration CreateConfig(string efSection)
{
var file = Path.GetTempFileName();
File.WriteAllText(
file,
@"<?xml version='1.0' encoding='utf-8'?>
<configuration>
<configSections>
<section name='entityFramework' type='System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework' />
</configSections>
" + efSection + @"
</configuration>");
return ConfigurationManager.OpenMappedExeConfiguration(
new ExeConfigurationFileMap
{
ExeConfigFilename = file
},
ConfigurationUserLevel.None);
}
}
}
|
