Jo Shields a575963da9 Imported Upstream version 3.6.0
Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14
2014-08-13 10:39:27 +01:00

513 lines
20 KiB
C#

// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
namespace System.Data.Entity
{
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Configuration;
using System.Data.Common;
using System.Data.Entity.Config;
using System.Data.Entity.Core.EntityClient;
using System.Data.Entity.Core.Metadata.Edm;
using System.Data.Entity.Core.Objects;
using System.Data.Entity.Infrastructure;
using System.Data.Entity.Internal.ConfigFile;
using System.Data.Entity.SqlServer;
using System.Data.Entity.TestHelpers;
using System.Data.SqlClient;
using System.IO;
using System.Reflection;
using System.Threading.Tasks;
using System.Transactions;
using System.Xml.Linq;
public class TestBase : MarshalByRefObject
{
static TestBase()
{
DbConfiguration.SetConfiguration(new FunctionalTestsConfiguration());
}
internal DbDatabaseMapping BuildMapping(DbModelBuilder modelBuilder)
{
OnModelCreating(modelBuilder);
// Build and clone to check for idempotency issues.
modelBuilder.Build(ProviderRegistry.Sql2008_ProviderInfo);
var clone = modelBuilder.Clone();
return clone.Build(ProviderRegistry.Sql2008_ProviderInfo).DatabaseMapping;
}
protected virtual void OnModelCreating(DbModelBuilder modelBuilder)
{
// For fixture wide configuration
}
internal DbDatabaseMapping BuildCeMapping(DbModelBuilder modelBuilder)
{
// Build and clone to check for idempotency issues.
modelBuilder.Build(ProviderRegistry.SqlCe4_ProviderInfo);
var clone = modelBuilder.Clone();
return clone.Build(ProviderRegistry.SqlCe4_ProviderInfo).DatabaseMapping;
}
protected static DataRow CreateProviderRow(string name, string invariantName, string assemblyQualifiedName)
{
var table = new DataTable();
table.Columns.AddRange(
new[]
{
new DataColumn("Name", typeof(string)),
new DataColumn("Description", typeof(string)),
new DataColumn("InvariantName", typeof(string)),
new DataColumn("AssemblyQualifiedName", typeof(string)),
});
var row = table.NewRow();
row["Name"] = name;
row["Description"] = "Name: " + name + " Invariant: " + invariantName;
row["InvariantName"] = invariantName;
row["AssemblyQualifiedName"] = assemblyQualifiedName;
return row;
}
protected static void RunTestWithTempMetadata(string csdl, string ssdl, string msl, Action<IEnumerable<string>> test)
{
var paths = new[]
{
Path.GetTempFileName() + ".ssdl",
Path.GetTempFileName() + ".csdl",
Path.GetTempFileName() + ".msl"
};
var metadata = new[]
{
ssdl,
csdl,
msl
};
try
{
for (var i = 0; i < metadata.Length; i++)
{
using (var file = File.CreateText(paths[i]))
{
file.Write(metadata[i]);
}
}
test(paths);
}
finally
{
foreach (var path in paths)
{
try
{
File.SetAttributes(path, File.GetAttributes(path) & ~FileAttributes.ReadOnly);
File.Delete(path);
}
catch (FileNotFoundException)
{
}
}
}
}
#region Assemblies and exceptions
/// <summary>
/// The assembly containing Code First and the Productivity API.
/// </summary>
public static Assembly EntityFrameworkAssembly
{
get { return typeof(DbModelBuilder).Assembly; }
}
/// <summary>
/// System.ComponentModel.DataAnnotations.
/// </summary>
public static Assembly SystemComponentModelDataAnnotationsAssembly
{
get { return typeof(ValidationAttribute).Assembly; }
}
/// <summary>
/// EntityFramework.SqlServer
/// </summary>
public static Assembly EntityFrameworkSqlServerAssembly
{
get { return typeof(SqlProviderServices).Assembly; }
}
/// <summary>
/// Gets an embedded resource string from the specified assembly
/// </summary>
public static string LookupString(Assembly assembly, string resourceTable, string resourceKey)
{
return new AssemblyResourceLookup(assembly, resourceTable).LookupString(resourceKey);
}
/// <summary>
/// Executes the given delegate and returns the exception that it throws.
/// </summary>
protected Exception GenerateException(Action willThrow)
{
return ExceptionHelpers.GenerateException(willThrow);
}
/// <summary>
/// Executes the given test multiple times in parallel.
/// </summary>
/// <param name="test"> The test. </param>
/// <param name="count"> The number of copies to run in parallel. </param>
protected static void ExecuteInParallel(Action test, int count = 20)
{
var tests = new Action[count];
for (var i = 0; i < count; i++)
{
tests[i] = test;
}
Parallel.Invoke(tests);
}
#endregion
#region GetObjectContext
/// <summary>
/// Returns the ObjectContext for the given DbContext.
/// </summary>
public static ObjectContext GetObjectContext(DbContext context)
{
return ((IObjectContextAdapter)context).ObjectContext;
}
#endregion
#region State entry helpers
/// <summary>
/// Gets all GetStateEntries for the given DbContext,.
/// </summary>
/// <param name="dbContext"> A DbContext instance. </param>
/// <returns> All state entries in the ObjectStateManager. </returns>
protected static IEnumerable<ObjectStateEntry> GetStateEntries(DbContext dbContext)
{
return ModelHelpers.GetStateEntries(dbContext);
}
/// <summary>
/// Gets all GetStateEntries for the given ObjectContext,.
/// </summary>
/// <param name="objectContext"> A ObjectContext instance. </param>
/// <returns> All state entries in the ObjectStateManager. </returns>
protected static IEnumerable<ObjectStateEntry> GetStateEntries(ObjectContext objectContext)
{
return ModelHelpers.GetStateEntries(objectContext);
}
/// <summary>
/// Gets the ObjectStateEntry for the given entity in the given DbContext.
/// </summary>
/// <param name="dbContext"> A DbContext instance. </param>
/// <param name="entity"> The entity to lookup. </param>
/// <returns> The ObjectStateEntry. </returns>
protected static ObjectStateEntry GetStateEntry(DbContext dbContext, object entity)
{
return ModelHelpers.GetStateEntry(dbContext, entity);
}
/// <summary>
/// Gets the ObjectStateEntry for the given entity in the given ObjectContext.
/// </summary>
/// <param name="objectContext"> A ObjectContext instance. </param>
/// <param name="entity"> The entity to lookup. </param>
/// <returns> The ObjectStateEntry. </returns>
protected static ObjectStateEntry GetStateEntry(ObjectContext objectContext, object entity)
{
return ModelHelpers.GetStateEntry(objectContext, entity);
}
/// <summary>
/// Asserts that there's no ObjectStateEntry for the given entity in the given DbContext.
/// </summary>
/// <param name="dbContext"> A DbContext instance. </param>
/// <param name="entity"> The entity to lookup. </param>
public static void AssertNoStateEntry(DbContext dbContext, object entity)
{
ModelHelpers.AssertNoStateEntry(dbContext, entity);
}
/// <summary>
/// Asserts that there's no ObjectStateEntry for the given entity in the given ObjectContext.
/// </summary>
/// <param name="objectContext"> A ObjectContext instance. </param>
/// <param name="entity"> The entity to lookup. </param>
public static void AssertNoStateEntry(ObjectContext objectContext, object entity)
{
ModelHelpers.AssertNoStateEntry(objectContext, entity);
}
#endregion
#region Connection helpers
/// <summary>
/// Returns a simple SQL Server connection string to the local machine with the given database name.
/// </summary>
/// <param name="databaseName"> The database name. </param>
/// <returns> The connection string. </returns>
protected static string SimpleConnectionString(string databaseName)
{
return ModelHelpers.SimpleConnectionString(databaseName);
}
/// <summary>
/// Returns a simple SQL Server connection string with the specified credentials.
/// </summary>
/// <param name="databaseName"> The database name. </param>
/// <param name="userId"> User ID to be use when connecting to SQL Server. </param>
/// <param name="password"> Password for the SQL Server account. </param>
/// <param name="persistSecurityInfo">
/// Indicates if security-sensitive information is not returned as part of the
/// connection if the connection has ever been opened.
/// </param>
/// <returns> The connection string. </returns>
protected static string SimpleConnectionStringWithCredentials(
string databaseName,
string userId,
string password,
bool persistSecurityInfo = false)
{
return ModelHelpers.SimpleConnectionStringWithCredentials(
databaseName,
userId,
password,
persistSecurityInfo);
}
/// <summary>
/// Returns the default name that will be created for the context of the given type.
/// </summary>
/// <typeparam name="TContext"> The type of the context to create a name for. </typeparam>
/// <returns> The name. </returns>
protected static string DefaultDbName<TContext>() where TContext : DbContext
{
return ModelHelpers.DefaultDbName<TContext>();
}
/// <summary>
/// Returns the transaction count from the server.
/// </summary>
/// <param name="connection"> Database connection to connect against. </param>
/// <returns> The transaction count. </returns>
protected int GetTransactionCount(DbConnection connection)
{
var closeconn = false;
if (connection.State
!= ConnectionState.Open)
{
connection.Open();
closeconn = true;
}
var cmd = connection.CreateCommand();
cmd.CommandText = "select @@TranCount";
var trancount = (int)cmd.ExecuteScalar();
if (closeconn)
{
connection.Close();
}
return trancount;
}
/// <summary>
/// Returns a local transaction.
/// </summary>
/// <param name="context"> </param>
/// <returns> </returns>
protected DbTransaction BeginLocalTransaction(DbContext context)
{
return OpenEntityConnection(context).BeginTransaction();
}
/// <summary>
/// Opens the underlying <see cref="EntityConnection" /> obtained from the underlying
/// <see cref="ObjectContext" /> and creates a new <see cref="CommittableTransaction" />.
/// </summary>
/// <param name="context"> </param>
/// <returns> </returns>
protected CommittableTransaction BeginCommittableTransaction(DbContext context)
{
OpenEntityConnection(context);
return new CommittableTransaction();
}
/// <summary>
/// Opens the underlying <see cref="EntityConnection" /> obtained from the underlying
/// <see cref="ObjectContext" /> and returns it.
/// </summary>
/// <param name="context"> The context. </param>
/// <returns> The connection. </returns>
private static EntityConnection OpenEntityConnection(DbContext context)
{
var connection = (EntityConnection)((IObjectContextAdapter)context).ObjectContext.Connection;
if (connection.State
!= ConnectionState.Open)
{
connection.Open();
}
return connection;
}
/// <summary>
/// Closes the underlying <see cref="EntityConnection" /> obtained from the underlying
/// <see cref="ObjectContext" /> if the connection is open.
/// </summary>
protected void CloseEntityConnection(DbContext context)
{
var connection = ((IObjectContextAdapter)context).ObjectContext.Connection;
if (connection.State
== ConnectionState.Open)
{
connection.Close();
}
}
/// <summary>
/// Returns a simple SQL Server connection string to the local machine for the given context type.
/// </summary>
/// <typeparam name="TContext"> The type of the context to create a connection string for. </typeparam>
/// <returns> The connection string. </returns>
protected static string SimpleConnectionString<TContext>() where TContext : DbContext
{
return ModelHelpers.SimpleConnectionString<TContext>();
}
/// <summary>
/// Returns a simple SQL Server connection string to the local machine using attached database for the given context type.
/// </summary>
/// <typeparam name="TContext"> The type of the context to create a connection string for. </typeparam>
/// <returns> The connection string. </returns>
protected static string SimpleAttachConnectionString<TContext>() where TContext : DbContext
{
return ModelHelpers.SimpleAttachConnectionString<TContext>();
}
/// <summary>
/// Returns a simple SQLCE connection string to the local machine for the given context type.
/// </summary>
/// <typeparam name="TContext"> The type of the context. </typeparam>
/// <returns> The connection string. </returns>
protected static string SimpleCeConnectionString<TContext>() where TContext : DbContext
{
return ModelHelpers.SimpleCeConnectionString<TContext>();
}
/// <summary>
/// Returns a simple SQL Server connection to the local machine for the given context type.
/// </summary>
/// <typeparam name="TContext"> The type of the context to create a connection for. </typeparam>
/// <returns> The connection. </returns>
protected static SqlConnection SimpleConnection<TContext>() where TContext : DbContext
{
return ModelHelpers.SimpleConnection<TContext>();
}
/// <summary>
/// Returns a simple SQL CE connection for the given context type.
/// </summary>
/// <typeparam name="TContext"> The type of the context to create a connection for. </typeparam>
/// <returns> The connection. </returns>
protected static DbConnection SimpleCeConnection<TContext>() where TContext : DbContext
{
return ModelHelpers.SimpleCeConnection<TContext>();
}
#endregion
#region Entity set name helpers
/// <summary>
/// Gets the entity set name for the given CLR type, assuming no MEST.
/// </summary>
/// <param name="dbContext"> The context to look in. </param>
/// <param name="clrType"> The type to lookup. </param>
/// <returns> The entity set name. </returns>
protected static string GetEntitySetName(DbContext dbContext, Type clrType)
{
return ModelHelpers.GetEntitySetName(dbContext, clrType);
}
/// <summary>
/// Gets the entity set name for the given CLR type, assuming no MEST.
/// </summary>
/// <param name="objetContext"> The context to look in. </param>
/// <param name="clrType"> The type to lookup. </param>
/// <returns> The entity set name. </returns>
protected static string GetEntitySetName(ObjectContext objetContext, Type clrType)
{
return ModelHelpers.GetEntitySetName(objetContext, clrType);
}
#endregion
#region Entity Type helpers
/// <summary>
/// Gets the EntityType of the given CLR type
/// </summary>
/// <param name="dbContext"> The context to look in. </param>
/// <param name="clrType"> The CLR type </param>
/// <returns> The entity type corresponding to the CLR type </returns>
protected static EntityType GetEntityType(DbContext dbContext, Type clrType)
{
return ModelHelpers.GetEntityType(dbContext, clrType);
}
/// <summary>
/// Gets the EntityType of the given CLR type
/// </summary>
/// <param name="objectContext"> The context to look in. </param>
/// <param name="clrType"> The CLR type </param>
/// <returns> The entity type corresponding to the CLR type </returns>
protected static EntityType GetEntityType(ObjectContext objectContext, Type clrType)
{
return ModelHelpers.GetStructuralType<EntityType>(objectContext, clrType);
}
#endregion
#region Creating config documents
public static Configuration CreateEmptyConfig()
{
var tempFileName = Path.GetTempFileName();
var doc = new XDocument(new XElement("configuration"));
doc.Save(tempFileName);
var config = ConfigurationManager.OpenMappedExeConfiguration(
new ExeConfigurationFileMap
{
ExeConfigFilename = tempFileName
},
ConfigurationUserLevel.None);
config.Sections.Add("entityFramework", new EntityFrameworkSection());
return config;
}
#endregion
}
}