internal void IsEnabled_Should_Not_Lock_If_Lock_None_Is_Provided(MaintenanceLockMode mode)
{
using (MaintenanceMode.Enable(MaintenanceLockMode.None))
{
Assert.False(MaintenanceMode.IsEnabled(mode));
}
}
internal void Should_Not_Allow_To_Lock_Twice(MaintenanceLockMode mode)
{
using (MaintenanceMode.Enable(mode))
{
var e = Assert.Throws <MaintenanceModeEnabledException>(() => MaintenanceMode.Enable(mode));
Assert.Equal(HttpStatusCode.ServiceUnavailable, e.StatusCode);
}
}
/// <summary>
/// Sets maintenance mode ON. The returned lock handle should be used
/// to reset the maintenance state.
/// </summary>
/// <param name="mode">Lock mode, write only, or read and write</param>
/// <exception cref="MaintenanceModeEnabledException">Maintenance mode already enabled somewhere else.</exception>
public static MaintenanceLock Enable(MaintenanceLockMode mode)
{
if (_lock?.IsLocked != true)
{
lock (_mutex)
{
if (_lock?.IsLocked != true)
{
_lock = new MaintenanceLock(mode);
return(_lock);
}
}
}
throw new MaintenanceModeEnabledException();
}
public MaintenanceLock(MaintenanceLockMode mode) => Mode = mode;
/// <summary> /// Whether maintenance mode is enabled. If <code>true</code> /// then all the data modifying requests should be responded /// with <code>503</code> HTTP status code. /// </summary> public static bool IsEnabled(MaintenanceLockMode mode) => _lock?.IsLocked == true && _lock.Mode >= mode;
public void Unlock()
{
Mode = MaintenanceLockMode.None;
}
internal void IsEnabled_Should_Return_False_If_Maintenance_Mode_Is_Not_Enabled(MaintenanceLockMode mode)
{
Assert.False(MaintenanceMode.IsEnabled(mode));
}
