public bool Validate(IDataConnector genericData)
{
if (genericData.GetUniverseVersion (MigrationName) != Version)
return false;
return DoValidate(genericData);
}
public void MigrationTestsTests()
{
//IMPORTANT NOTIFICATION
//Till I figure out a way, please delete the .db file or drop tables clean before running this
//Switch the comments to test one technology or another
var technology = DataManagerTechnology.SQLite;
//var technology = DataManagerTechnology.MySql;
var mysqlconnectionstring = "Data Source=localhost;Database=Universetest;User ID=Universetest;Password=test;";
var sqliteconnectionstring = string.Format("URI=file:{0},version=3", dbFileName);
string connectionString = (technology == DataManagerTechnology.SQLite)?sqliteconnectionstring:mysqlconnectionstring;
CreateEmptyDatabase();
DataSessionProvider sessionProvider = new DataSessionProvider(technology, connectionString);
IDataConnector genericData = ((technology == DataManagerTechnology.SQLite)? (IDataConnector) new SQLiteLoader():new MySQLDataLoader());
genericData.ConnectToDatabase(connectionString);
var migrators = new List <Migrator>();
var testMigrator0 = new TestMigrator();
migrators.Add(testMigrator0);
var migrationManager = new MigrationManager(sessionProvider, genericData, migrators);
Assert.AreEqual(testMigrator0.Version, migrationManager.LatestVersion, "Latest version is correct");
Assert.IsNull(migrationManager.GetDescriptionOfCurrentOperation(), "Description should be null before deciding what to do.");
migrationManager.DetermineOperation();
var operationDescription = migrationManager.GetDescriptionOfCurrentOperation();
Assert.AreEqual(MigrationOperationTypes.CreateDefaultAndUpgradeToTarget, operationDescription.OperationType, "Operation type is correct.");
Assert.AreEqual(testMigrator0.Version, operationDescription.CurrentVersion, "Current version is correct");
//There will be no migration because there is only one migrator which will provide the default
Assert.IsNull(operationDescription.StartVersion, "Start migration version is correct");
Assert.IsNull(operationDescription.EndVersion, "End migration version is correct");
try
{
migrationManager.ExecuteOperation();
Assert.AreEqual(testMigrator0.Version, genericData.GetUniverseVersion(), "Version of settings is updated");
}
catch (MigrationOperationException)
{
Assert.Fail("Something failed during execution we weren't expecting.");
}
bool valid = migrationManager.ValidateVersion(migrationManager.LatestVersion);
Assert.AreEqual(true, valid, "Database is a valid version");
migrationManager.DetermineOperation();
var operationDescription2 = migrationManager.GetDescriptionOfCurrentOperation();
Assert.AreEqual(MigrationOperationTypes.DoNothing, operationDescription2.OperationType, "Operation type is correct.");
Assert.AreEqual(testMigrator0.Version, operationDescription2.CurrentVersion, "Current version is correct");
Assert.IsNull(operationDescription2.StartVersion, "Start migration version is correct");
Assert.IsNull(operationDescription2.EndVersion, "End migration version is correct");
migrationManager.ExecuteOperation();
genericData.CloseDatabase();
}
public bool Validate(IDataConnector genericData)
{
if (genericData.GetUniverseVersion(MigrationName) != Version)
{
return(false);
}
return(DoValidate(genericData));
}
public void DetermineOperation()
{
if (migratorName == "")
{
return;
}
executed = false;
Version currentVersion = genericData.GetUniverseVersion(migratorName);
//if there is no Universe version, this is likely an entirely new installation
if (currentVersion == null)
{
MainConsole.Instance.InfoFormat("[Migrator]: Clean installation for {0} found", migratorName);
Migrator defaultMigrator = GetHighestVersionMigratorThatCanProvideDefaultSetup();
currentVersion = defaultMigrator.Version;
Migrator startMigrator = GetMigratorAfterVersion(defaultMigrator.Version);
var latestMigrator = GetLatestVersionMigrator();
Migrator targetMigrator = defaultMigrator == latestMigrator ? null : latestMigrator;
operationDescription =
new MigrationOperationDescription(MigrationOperationTypes.CreateDefaultAndUpgradeToTarget,
currentVersion,
startMigrator != null ? startMigrator.Version : null,
targetMigrator != null ? targetMigrator.Version : null);
}
else
{
Migrator startMigrator = GetMigratorAfterVersion(currentVersion);
if (startMigrator != null)
{
Migrator targetMigrator = GetLatestVersionMigrator();
MainConsole.Instance.InfoFormat("[Migrator]: New migration script for {0} found", migratorName);
MainConsole.Instance.CleanInfoFormat(" Depending upon the amount of {0} data, this process may take quite a while", migratorName);
MainConsole.Instance.CleanInfo(" You may also see warnings and possible timeout errors until this proccess is completed");
MainConsole.Instance.CleanInfo("");
operationDescription = new MigrationOperationDescription(MigrationOperationTypes.UpgradeToTarget,
currentVersion, startMigrator.Version,
targetMigrator.Version);
}
else
{
operationDescription = new MigrationOperationDescription(MigrationOperationTypes.DoNothing,
currentVersion);
}
}
}
public void DetermineOperation()
{
if (migratorName == "")
{
return;
}
executed = false;
Version currentVersion = genericData.GetUniverseVersion(migratorName);
//if there is no Universe version, this is likely an entirely new installation
if (currentVersion == null)
{
Migrator defaultMigrator = GetHighestVersionMigratorThatCanProvideDefaultSetup();
currentVersion = defaultMigrator.Version;
Migrator startMigrator = GetMigratorAfterVersion(defaultMigrator.Version);
var latestMigrator = GetLatestVersionMigrator();
Migrator targetMigrator = defaultMigrator == latestMigrator ? null : latestMigrator;
operationDescription =
new MigrationOperationDescription(MigrationOperationTypes.CreateDefaultAndUpgradeToTarget,
currentVersion,
startMigrator != null ? startMigrator.Version : null,
targetMigrator != null ? targetMigrator.Version : null);
}
else
{
Migrator startMigrator = GetMigratorAfterVersion(currentVersion);
if (startMigrator != null)
{
Migrator targetMigrator = GetLatestVersionMigrator();
operationDescription = new MigrationOperationDescription(MigrationOperationTypes.UpgradeToTarget,
currentVersion, startMigrator.Version,
targetMigrator.Version);
}
else
{
operationDescription = new MigrationOperationDescription(MigrationOperationTypes.DoNothing,
currentVersion);
}
}
}