public void GetHeaders_FileDoesNotExist_ThrowsException(AsciiSettings NotExisitngFileAsciiSettings)
{
// arrange
AsciiDataImport asciiImport = new AsciiDataImport(NotExisitngFileAsciiSettings);
// act
TestDelegate action = () => asciiImport.GetHeaders();
// assert
Assert.Throws <FileNotFoundException>(action, "Expected exception was not thrown.");
}
public void GetHeaders_EmptyFileAndUseFirstRowAsHeaders_ReturnEmptyHeaders(AsciiSettings EmptyFilesAsciiSettings, int rowsNum)
{
// arrange
AsciiDataImport asciiImport = new AsciiDataImport(EmptyFilesAsciiSettings);
// act
var headers = asciiImport.GetHeaders();
// assert
Assert.AreEqual(rowsNum, headers.Count(), "The returned headers are not empty.");
}
public void GetHeaders_FileWithoutHeadersinFirstRow_ReturnGenericHeaders(AsciiSettings GenericHeadersAsciiSettings, IEnumerable <object> genericHeaders)
{
// arrange
AsciiDataImport asciiImport = new AsciiDataImport(GenericHeadersAsciiSettings);
// act
var headers = asciiImport.GetHeaders().ToList();
// assert
CollectionAssert.AreEqual(genericHeaders, headers);
Assert.AreEqual(genericHeaders.Count(), headers.Count());
}
public void GetHeaders_FirstRowAsHeaders_ReturnHeadersFromFirstRow(AsciiSettings ValidAsciiSettings, IEnumerable <object> validHeaders)
{
// arrange
AsciiDataImport asciiImport = new AsciiDataImport(ValidAsciiSettings);
// act
var headers = asciiImport.GetHeaders();
// assert
CollectionAssert.AreEqual(validHeaders, headers);
Assert.AreEqual(validHeaders.Count(), headers.Count());
}
public void LoadAll_ValidFile_ReturnAllRowsFromFile(AsciiSettings ValidAsciiSettings, IEnumerable <object> validHeaders)
{
// arrange
AsciiDataImport asciiImport = new AsciiDataImport(ValidAsciiSettings);
int headersNum, samplesNum;
// act
var rows = asciiImport.LoadAll();
var headers = asciiImport.GetHeaders();
samplesNum = rows.First().Samples.Count();
headersNum = headers.Count() - 1; // Timestamp is not sample
CollectionAssert.AreEqual(validHeaders, headers);
// assert
Assert.AreEqual(1, rows.GroupBy(arg => arg.Samples.Count()).Count(), "Rows have a different number of columns.");
Assert.AreEqual(samplesNum, headersNum, "The number of samples" + samplesNum + "is different from the number of headers" + headersNum);
}