public void FromBufferTest()
{
var target = new AccelParams();
var expected = new AccelParams
{
SensorNumber = 1,
OffsetX = 20.0,
OffsetY = -75.0,
GravityX = -20.0,
GravityY = 75.0
};
var buffer = new DataBuffer(Endianness.LittleEndian);
buffer.WriteUInt16(1);
buffer.WriteDouble(20.0);
buffer.WriteDouble(-75.0);
buffer.WriteDouble(-20.0);
buffer.WriteDouble(75.0);
target.FromBuffer(buffer);
var tt = new DataBuffer(Endianness.LittleEndian);
target.ToBuffer(tt);
Assert.AreEqual(expected.SensorNumber,target.SensorNumber);
Assert.AreEqual(expected.OffsetX, target.OffsetX);
Assert.AreEqual(expected.OffsetY, target.OffsetY);
Assert.AreEqual(expected.GravityX, target.GravityX);
Assert.AreEqual(expected.GravityY, target.GravityY);
}
public void ToBufferTest()
{
var target = new AccelParams
{
SensorNumber = 1,
OffsetX = 20.0,
OffsetY = -75.0,
GravityX = 20.0,
GravityY = -75.0
};
var expected = new byte[] { 1,0,0, 0, 0, 0, 0, 0, 52, 64, 0, 0, 0, 0, 0, 192, 82, 192, 0, 0, 0, 0, 0, 0, 52, 64, 0, 0, 0, 0, 0, 192, 82, 192 };
var buffer = new DataBuffer(Endianness.LittleEndian);
target.ToBuffer(buffer);
CollectionAssert.AreEqual(expected, buffer.RawData);
}
/// <summary>
/// Конструктор
/// </summary>
public CalibrationResult()
{
Parameters = new AccelParams();
Clusters = new List<AccelData>();
}
public void SaveAccelParamsTest()
{
string databaseFile = _testDbFile;
ILogger logger = new LoggerStub();
var target = new LocalDatabaseStorage(databaseFile, logger);
target.Open();
var data = new AccelParams { Date = DateTime.Now };
target.SaveAccelParams(data);
var idCount = _testDb.GetIdCount("accel_params");
Assert.AreEqual(idCount, 1, "проверяем, что запись добавлена");
Assert.AreEqual(1, data.Id, "проверяем, что изменен идентификатор записи в базе");
target.Close();
}
/// <summary>
/// Обновляет запись в базе
/// </summary>
/// <param name="data"></param>
private void UpdateAccelParams(AccelParams data)
{
var command = new SqlCeCommand();
command.Connection = _connection;
command.CommandText = @"UPDATE accel_params SET date=@date,sensorNumber=@sensorNumber, offsetX=@offsetX,offsetY=@offsetY,gravityX=@gravityX,gravityY=@gravityY WHERE id = @id";
command.Parameters.AddWithValue("@id", data.Id);
command.Parameters.AddWithValue("@date", data.Date);
command.Parameters.AddWithValue("@sensorNumber", data.SensorNumber);
command.Parameters.AddWithValue("@offsetX", data.OffsetX);
command.Parameters.AddWithValue("@offsetY", data.OffsetY);
command.Parameters.AddWithValue("@gravityX", data.GravityX);
command.Parameters.AddWithValue("@gravityY", data.GravityY);
command.ExecuteNonQuery();
}
public void GetCalibrationResultByParamsTest()
{
_testDb.CreateDatabase();
_testDb.InitTestSchema();
_testDb.PopulateTestAccelData();
_testDb.PopulateTestAccelParams();
_testDb.PopulateTestCalibrationResult();
string databaseFile = _testDbFile;
ILogger logger = new LoggerStub();
var target = new LocalDatabaseStorage(databaseFile, logger);
target.Open();
var parameters = new AccelParams {Id = 1};
var actual = target.GetCalibrationResultByParams(parameters);
Assert.AreEqual(2,actual.Clusters.Count);
target.Close();
}
/// <summary>
/// Удаляет результатов калбировки для заданных параметров
/// </summary>
/// <param name="parameters"></param>
private void DeleteCalibrationResult(AccelParams parameters)
{
var command = new SqlCeCommand();
command.Connection = _connection;
command.CommandText = @"DELETE FROM calibr_result WHERE accelParamsId = @id";
command.Parameters.AddWithValue("@id", parameters.Id);
command.ExecuteNonQuery();
}
/// <summary>
/// Создает в базе запись
/// </summary>
/// <param name="data"></param>
private void CreateAccelParams(AccelParams data)
{
var command = new SqlCeCommand();
command.Connection = _connection;
command.CommandText = @"INSERT INTO accel_params (date,sensorNumber, offsetX,offsetY,gravityX,gravityY) VALUES(@date,@sensorNumber,@offsetX,@offsetY,@gravityX,@gravityY)";
command.Parameters.AddWithValue("@date", data.Date);
command.Parameters.AddWithValue("@sensorNumber", data.SensorNumber);
command.Parameters.AddWithValue("@offsetX", data.OffsetX);
command.Parameters.AddWithValue("@offsetY", data.OffsetY);
command.Parameters.AddWithValue("@gravityX", data.GravityX);
command.Parameters.AddWithValue("@gravityY", data.GravityY);
command.ExecuteNonQuery();
command.CommandText = "SELECT @@IDENTITY";
var id = command.ExecuteScalar();
if (id != null)
{
data.Id = Convert.ToInt32((decimal)id); // записываем идентификатор записи в базе
}
}
/// <summary>
/// Сохраняет в базе калибровочные данные
/// </summary>
/// <param name="data"></param>
public void SaveAccelParams(AccelParams data)
{
if (data.Id > 0)
{
UpdateAccelParams(data);
}
else
{
CreateAccelParams(data);
}
}
/// <summary>
/// Делает выборку по результатам калибровки для указанного идентификатора калибровочных параметров
/// </summary>
public CalibrationResult GetCalibrationResultByParams(AccelParams parameters)
{
var result = new CalibrationResult {Parameters = parameters};
var command = new SqlCeCommand();
command.Connection = _connection;
command.CommandText = @"SELECT data.Id, data.date, data.Ax, data.Ay
FROM calibr_result result JOIN accel_data data
ON (result.accelDataId = data.id)
WHERE result.accelParamsId = @paramsId";
command.Parameters.AddWithValue("@paramsId", parameters.Id);
var reader = command.ExecuteReader();
while (reader.Read())
{
var data = new AccelData();
data.Id = reader.GetInt32(0);
data.Date = reader.GetDateTime(1);
data.Ax = reader.GetDouble(2);
data.Ay = reader.GetDouble(3);
result.Clusters.Add(data);
}
return result;
}
/// <summary>
/// Возвращает калибровочных данных для указанного номера датчика
/// </summary>
/// <param name="sensorNumber">номер датчика</param>
/// <returns></returns>
public IList<AccelParams> GetAccelParamsBySensorNumber(UInt16 sensorNumber)
{
var result = new List<AccelParams>();
var command = new SqlCeCommand();
command.Connection = _connection;
command.CommandText = @"SELECT date,sensorNumber,offsetX,offsetY,gravityX,gravityY FROM accel_params WHERE sensorNumber = @sensorNumber";
command.Parameters.AddWithValue("@sensorNumber", sensorNumber);
var reader = command.ExecuteReader();
while (reader.Read())
{
var data = new AccelParams();
data.Date = reader.GetDateTime(0);
data.SensorNumber = (UInt16)reader.GetInt16(1);
data.OffsetX = reader.GetDouble(2);
data.OffsetY = reader.GetDouble(3);
data.GravityX = reader.GetDouble(4);
data.GravityY = reader.GetDouble(5);
result.Add(data);
}
return result;
}