public void ForNullProviderShouldThrowException()
{
Assembly assembly = Assembly.Load("ECM7.Migrator.TestAssembly");
var loader = new MigrationAssembly(assembly);
var mi = loader.GetMigrationInfo(1);
Assert.Throws <Exception>(() => loader.InstantiateMigration(mi, null));
}
public void ForNullProviderShouldThrowException()
{
Assembly assembly = GetType().GetTypeInfo().Assembly;
var loader = new MigrationAssembly(assembly);
var mi = loader.GetMigrationInfo(1);
Assert.Throws <ArgumentNullException>(() => loader.InstantiateMigration(mi, null));
}
public void CanCreateMigrationObject()
{
Assembly assembly = Assembly.Load("ECM7.Migrator.TestAssembly");
MigrationAssembly migrationAssembly = new MigrationAssembly(assembly);
Mock <ITransformationProvider> provider = new Mock <ITransformationProvider>();
var mi = migrationAssembly.GetMigrationInfo(2);
IMigration migration = migrationAssembly.InstantiateMigration(mi, provider.Object);
Assert.IsNotNull(migration);
Assert.That(migration is SecondTestMigration);
Assert.AreSame(provider.Object, migration.Database);
}
public void CanCreateMigrationObject()
{
Assembly assembly = GetType().GetTypeInfo().Assembly;
MigrationAssembly migrationAssembly = new MigrationAssembly(assembly);
Mock <ITransformationProvider> provider = new Mock <ITransformationProvider>();
var mi = migrationAssembly.GetMigrationInfo(2);
Migration migration = migrationAssembly.InstantiateMigration(mi, provider.Object);
Assert.NotNull(migration);
Assert.True(migration is TestMigration02);
Assert.Same(provider.Object, migration.Database);
}
/// <summary>
/// ���������� ��������
/// </summary>
/// <param name="targetVersion">������ ����������� ��������</param>
/// <param name="currentDatabaseVersion">������� ������ ��</param>
public void ExecuteMigration(long targetVersion, long currentDatabaseVersion)
{
var migrationInfo = migrationAssembly.GetMigrationInfo(targetVersion);
Migration migration = migrationAssembly.InstantiateMigration(migrationInfo, Provider);
try
{
if (!migrationInfo.WithoutTransaction)
{
Provider.BeginTransaction();
}
if (targetVersion <= currentDatabaseVersion)
{
Logger.MigrateDown(targetVersion, migration.Name);
migration.Revert();
Provider.MigrationUnApplied(targetVersion, Key);
}
else
{
Logger.MigrateUp(targetVersion, migration.Name);
migration.Apply();
Provider.MigrationApplied(targetVersion, Key);
}
if (!migrationInfo.WithoutTransaction)
{
Provider.Commit();
}
}
catch (Exception ex)
{
Logger.Exception(targetVersion, migration.Name, ex);
if (!migrationInfo.WithoutTransaction)
{
// если изменения выполняются в транзакции, откатываем
// изменения текущей миграции, которые успели выполниться
Provider.Rollback();
Logger.RollingBack(currentDatabaseVersion);
}
throw;
}
}
/// <summary>
/// Выполнение миграции
/// </summary>
/// <param name="targetVersion">Версия выполняемой миграции</param>
/// <param name="currentDatabaseVersion">Текущая версия БД</param>
public void ExecuteMigration(long targetVersion, long currentDatabaseVersion)
{
var migrationInfo = migrationAssembly.GetMigrationInfo(targetVersion);
IMigration migration = migrationAssembly.InstantiateMigration(migrationInfo, provider);
try
{
if (!migrationInfo.WithoutTransaction)
{
provider.BeginTransaction();
}
if (targetVersion <= currentDatabaseVersion)
{
MigratorLogManager.Log.MigrateDown(targetVersion, migration.Name);
migration.Revert();
provider.MigrationUnApplied(targetVersion, Key);
}
else
{
MigratorLogManager.Log.MigrateUp(targetVersion, migration.Name);
migration.Apply();
provider.MigrationApplied(targetVersion, Key);
}
if (!migrationInfo.WithoutTransaction)
{
provider.Commit();
}
}
catch (Exception ex)
{
MigratorLogManager.Log.Exception(targetVersion, migration.Name, ex);
if (!migrationInfo.WithoutTransaction)
{
// при ошибке откатываем изменения
provider.Rollback();
MigratorLogManager.Log.RollingBack(currentDatabaseVersion);
}
throw;
}
}