public override void ConnectToDatabase (string connectionString, string migratorName, bool validateTables)
{
m_connectionString = connectionString;
MySqlConnection c = new MySqlConnection (connectionString);
int subStrA = connectionString.IndexOf ("Database=", StringComparison.Ordinal);
int subStrB = connectionString.IndexOf (";", subStrA, StringComparison.Ordinal);
string noDatabaseConnector = m_connectionString.Substring (0, subStrA) + m_connectionString.Substring (subStrB + 1);
retry:
try {
ExecuteNonQuery (noDatabaseConnector, "create schema IF NOT EXISTS " + c.Database, new Dictionary<string, object> (), false);
} catch {
MainConsole.Instance.Error (
"[MySQL]: We cannot connect to the MySQL instance you have provided. Please make sure it is online, and then press enter to try again.");
try {
Console.Read ();
} catch {
}
goto retry;
}
c.Close ();
var migrationManager = new MigrationManager(this, migratorName, validateTables);
try {
migrationManager.DetermineOperation ();
migrationManager.ExecuteOperation ();
} catch {
MainConsole.Instance.Error ("[MySQL]: Unable to determine migration requirements.");
}
}
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 override void ConnectToDatabase(string connectionString, string migratorName, bool validateTables)
{
// connection string in the format...
// Data Source=File:<db_filename>
m_connectionString = connectionString;
string[] s1 = m_connectionString.Split(new[] {"Data Source=", ";", ","}, StringSplitOptions.RemoveEmptyEntries);
// first element should be file:<db_filename>
s1[0] = s1[0].Remove(0, 5);
m_fileName = s1 [0];
// some sanity checks
string filePath = Path.GetDirectoryName (s1[0]);
string fileName = Path.GetFileName (s1[0]);
if (filePath == "") //Only add this if we aren't an absolute path already eg file:data.db
{
m_connectionString = string.Format ("Data Source=file://{0}", Path.Combine (m_defaultDataPath, fileName));
filePath = m_defaultDataPath;
m_fileName = Path.Combine (m_defaultDataPath, fileName);
}
if (!Directory.Exists (filePath))
Directory.CreateDirectory (filePath); // directory does not exist!
if (!File.Exists(m_fileName))
File.Create(m_fileName).Dispose(); // database file does not exist, create an empty one to use
SqliteConnection connection = new SqliteConnection(m_connectionString);
try {
connection.Open ();
var migrationManager = new MigrationManager (this, migratorName, validateTables);
migrationManager.DetermineOperation ();
migrationManager.ExecuteOperation ();
} catch {
MainConsole.Instance.Warn ("[Sqlite]: Unable to connect to database ("+m_connectionString+")");
}
connection.Close();
}
public override void ConnectToDatabase(string connectionString, string migratorName, bool validateTables)
{
// connection string in the format...
// Data Source=File:<db_filename>
_connectionString = connectionString;
string[] s1 = _connectionString.Split(new[] {"Data Source=", ";", ","}, StringSplitOptions.RemoveEmptyEntries);
// first element should be file:<db_filename>
s1[0] = s1[0].Remove(0, 5);
_fileName = s1 [0];
// some sanity checks
string filePath = Path.GetDirectoryName (s1[0]);
string fileName = Path.GetFileName (s1[0]);
if (filePath == "") //Only add this if we arn't an absolute path already
{
filePath = Util.BasePathCombine ("");
_connectionString = string.Format ("Data Source=file://{0}", Path.Combine (Util.BasePathCombine (""), fileName));
}
if (!Directory.Exists (filePath))
Directory.CreateDirectory (filePath); // directory does not exist!
if (!File.Exists(_fileName))
File.Create(_fileName).Dispose(); // database file does not exist, create an empty one to use
SqliteConnection connection = new SqliteConnection(_connectionString);
connection.Open ();
var migrationManager = new MigrationManager(this, migratorName, validateTables);
migrationManager.DetermineOperation();
migrationManager.ExecuteOperation();
connection.Close();
}