public BackupTakingUpgrader(IPerformsDatabaseUpgrades proxiedUpgrader,
ITakesDatabaseBackup backupService)
{
if (backupService == null)
{
throw new ArgumentNullException(nameof(backupService));
}
if (proxiedUpgrader == null)
{
throw new ArgumentNullException(nameof(proxiedUpgrader));
}
this.backupService = backupService;
this.proxiedUpgrader = proxiedUpgrader;
}
public void IsConnectionStringAvailable_returns_false_if_lazy_connection_string_provider_returns_null(IPerformsDatabaseUpgrades upgrader,
ILog logger)
{
// Arrange
var sut = new SqliteDatabaseTester(new Lazy <IConnectionStringProvider>(() => null),
new Lazy <IPerformsDatabaseUpgrades>(() => upgrader),
logger);
// Act
var result = sut.IsConnectionStringAvailable();
// Assert
Assert.That(result, Is.False);
}
public void IsConnectionStringAvailable_returns_false_if_connection_string_getter_throws_an_exception(IConnectionStringProvider connectionStringProvider,
IPerformsDatabaseUpgrades upgrader,
ILog logger)
{
// Arrange
Mock.Get(connectionStringProvider).Setup(x => x.GetConnectionStringSettings()).Throws <Exception>();
var sut = new SqliteDatabaseTester(new Lazy <IConnectionStringProvider>(() => connectionStringProvider),
new Lazy <IPerformsDatabaseUpgrades>(() => upgrader),
logger);
// Act
var result = sut.IsConnectionStringAvailable();
// Assert
Assert.That(result, Is.False);
}
public void IsConnectionStringAvailable_returns_true_if_connection_string_is_not_null(IConnectionStringProvider connectionStringProvider,
IPerformsDatabaseUpgrades upgrader,
ConnectionStringSettings connStr,
ILog logger)
{
// Arrange
Mock.Get(connectionStringProvider).Setup(x => x.GetConnectionStringSettings()).Returns(connStr);
var sut = new SqliteDatabaseTester(new Lazy <IConnectionStringProvider>(() => connectionStringProvider),
new Lazy <IPerformsDatabaseUpgrades>(() => upgrader),
logger);
// Act
var result = sut.IsConnectionStringAvailable();
// Assert
Assert.That(result, Is.True);
}
public void IsDatabaseConnectionPossible_returns_true_if_connection_string_is_valid(IConnectionStringProvider connectionStringProvider,
IPerformsDatabaseUpgrades upgrader,
ILog logger)
{
// Arrange
var dataSource = validDbPath;
var connectionString = GetSqliteConnectionString(dataSource);
Mock.Get(connectionStringProvider)
.Setup(x => x.GetConnectionStringSettings())
.Returns(() => new ConnectionStringSettings(ConnStringName, connectionString, providerName));
var sut = new SqliteDatabaseTester(new Lazy <IConnectionStringProvider>(() => connectionStringProvider),
new Lazy <IPerformsDatabaseUpgrades>(() => upgrader),
logger);
// Act
var result = sut.IsDatabaseConnectionPossible();
// Assert
Assert.That(result, Is.True);
}
public void IsDatabaseConnectionPossible_returns_false_if_connection_string_is_invalid(IConnectionStringProvider connectionStringProvider,
IPerformsDatabaseUpgrades upgrader,
ILog logger)
{
// Arrange
// Note that this assumption would fail for Mono on Windows, but not important enough to over-engineer
var dataSource = invalidDbPath;
var invalidConnectionString = GetSqliteConnectionString(dataSource);
Mock.Get(connectionStringProvider)
.Setup(x => x.GetConnectionStringSettings())
.Returns(() => new ConnectionStringSettings(ConnStringName, invalidConnectionString, providerName));
var sut = new SqliteDatabaseTester(new Lazy <IConnectionStringProvider>(() => connectionStringProvider),
new Lazy <IPerformsDatabaseUpgrades>(() => upgrader),
logger);
// Act
var result = sut.IsDatabaseConnectionPossible();
// Assert
Assert.That(result, Is.False);
}
public void IsDatabaseFullyUpgraded_returns_true_if_upgrader_returns_empty_set_of_upgrades(IConnectionStringProvider connectionStringProvider,
IPerformsDatabaseUpgrades upgrader,
ILog logger)
{
// Arrange
Mock.Get(upgrader).Setup(x => x.GetPendingUpgrades()).Returns(new IUpgradeName[0]);
var sut = new SqliteDatabaseTester(new Lazy <IConnectionStringProvider>(() => connectionStringProvider),
new Lazy <IPerformsDatabaseUpgrades>(() => upgrader),
logger);
// Act
var result = sut.IsDatabaseFullyUpgraded();
// Assert
Assert.That(result, Is.True);
}
public void IsDatabaseFullyUpgraded_returns_false_if_upgrader_returns_upgrades_to_be_done(IConnectionStringProvider connectionStringProvider,
IPerformsDatabaseUpgrades upgrader,
IUpgradeName upgrade,
ILog logger)
{
// Arrange
Mock.Get(upgrader).Setup(x => x.GetPendingUpgrades()).Returns(new [] { upgrade });
var sut = new SqliteDatabaseTester(new Lazy <IConnectionStringProvider>(() => connectionStringProvider),
new Lazy <IPerformsDatabaseUpgrades>(() => upgrader),
logger);
// Act
var result = sut.IsDatabaseFullyUpgraded();
// Assert
Assert.That(result, Is.False);
}
public void IsDatabaseFullyUpgraded_returns_false_if_upgrader_throws_exception(IConnectionStringProvider connectionStringProvider,
IPerformsDatabaseUpgrades upgrader,
ILog logger)
{
// Arrange
Mock.Get(upgrader).Setup(x => x.GetPendingUpgrades()).Throws <Exception>();
var sut = new SqliteDatabaseTester(new Lazy <IConnectionStringProvider>(() => connectionStringProvider),
new Lazy <IPerformsDatabaseUpgrades>(() => upgrader),
logger);
// Act
var result = sut.IsDatabaseFullyUpgraded();
// Assert
Assert.That(result, Is.False);
}
