public DatabaseManager(string connectionString)
{
_connectionString = connectionString;
_scriptExecutor = new SqlScriptExecutor();
_versionTracker = new SchemaVersionsTableSqlVersionTracker();
_scriptProvider = new EmbeddedSqlScriptProvider(
Assembly.GetExecutingAssembly(),
versionNumber => string.Format(
"PaulStovell.Database.Scripts.Sequential.Script{0}.sql",
versionNumber.ToString().PadLeft(4, '0')));
_upgrader = new DatabaseUpgrader(connectionString, _scriptProvider, _versionTracker, _scriptExecutor);
}
public void MockUpgradeProcessTest()
{
using (var temporary = new TemporarySqlDatabase())
{
var executor = new SqlScriptExecutor();
var versionTracker = new SchemaVersionsTableSqlVersionTracker();
var scriptProvider = new EmbeddedSqlScriptProvider(
Assembly.GetExecutingAssembly(),
versionNumber => string.Format(
"PaulStovell.Tests.Database.Management.TestScripts.Script{0}.sql",
versionNumber.ToString().PadLeft(4, '0')));
var upgrader = new DatabaseUpgrader(temporary.ConnectionString, scriptProvider, versionTracker, executor);
var upgrade1 = upgrader.PerformUpgrade();
Assert.AreEqual(0, upgrade1.OriginalVersion);
Assert.AreEqual(3, upgrade1.UpgradedVersion);
Assert.AreEqual(3, upgrade1.Scripts.Count());
var upgrade2 = upgrader.PerformUpgrade();
Assert.AreEqual(3, upgrade2.OriginalVersion);
Assert.AreEqual(3, upgrade2.UpgradedVersion);
Assert.AreEqual(0, upgrade2.Scripts.Count());
// Script 2 creates a "Foo" table, and script 2 adds a couple of records to it. Let's
// see if it worked. This also proves that the final script isn't called twice -
// otherwise there would be four records rather than two.
var fooNames = new List<string>();
using (var connection = new SqlConnection(temporary.ConnectionString))
{
using (var command = connection.CreateCommand())
{
command.CommandText = "select FooName from Foo order by FooName";
command.CommandType = CommandType.Text;
connection.Open();
var reader = command.ExecuteReader();
while (reader.Read())
{
fooNames.Add(reader[0].ToString());
}
}
}
Assert.AreEqual(2, fooNames.Count);
Assert.AreEqual("Goodbye", fooNames[0]);
Assert.AreEqual("Hello", fooNames[1]);
}
}
