public void FileSizeConverter_ReceivesPositiveDecimalSizeAndGigabyteUnit_ReturnsBytes()
{
// arrange
FileHelper fileHelper = new FileHelper();
double rawSize = 50.5;
// act
double result = fileHelper.FileSizeConverter(rawSize, FileSizeUnit.Gigabyte);
// assert
Assert.AreEqual(54223962112, result);
}
public void FileSizeConverter_ReceivesNullUnit_ReturnsZeroBytes()
{
// arrange
FileHelper fileHelper = new FileHelper();
double rawSize = 1;
// act
double result = fileHelper.FileSizeConverter(rawSize, It.IsAny<FileSizeUnit>());
// assert
Assert.AreEqual(0, result);
}
public void FileSizeConverter_ReceivesPositiveDecimalSizeAndMegabyteUnit_ReturnsBytes()
{
// arrange
FileHelper fileHelper = new FileHelper();
double rawSize = 55.9;
// act
double result = fileHelper.FileSizeConverter(rawSize, FileSizeUnit.Megabyte);
// assert
Assert.AreEqual(58615398.4, result);
}
public void GetRandomFile_SupplyNullCollection_ThrowsFileArgumentNullException()
{
// arrange
FileHelper fileHelper = new FileHelper();
TestDelegate testDelegate = () => fileHelper.GetRandomFile(null);
// act, assert
Assert.That(testDelegate, Throws.Exception.TypeOf<ArgumentNullException>().With.Property("ParamName").EqualTo("files"));
}
public void GetRandomFile_SupplyCollection_ReturnsAnyRandomInstance(int filesCount)
{
// arrange
FileHelper fileHelper = new FileHelper();
List<AppFile> files = new List<AppFile>();
for (int i = 0; i < filesCount; i++)
{
files.Add(new AppFile {});
}
// act
AppFile result = fileHelper.GetRandomFile(files);
// assert
Assert.Contains(result, files);
}
public void GetRandomFile_SupplyEmptyCollection_ReturnsNullInstance()
{
// arrange
FileHelper fileHelper = new FileHelper();
// act
AppFile result = fileHelper.GetRandomFile(new List<AppFile>());
// assert
Assert.IsNull(result);
}
public void GenerateUniqueFileName_GeneratorArgumentIsNotSupplied_ThrowsGeneratorArgumentNullException()
{
// arrange
FileHelper fileHelper = new FileHelper();
AppFile file = new AppFile();
TestDelegate testDelegate = () => fileHelper.GenerateUniqueFileName(file, null, It.IsAny<UniqueCharsPosition>());
// act, assert
Assert.That(testDelegate, Throws.Exception.TypeOf<ArgumentNullException>().With.Property("ParamName").EqualTo("generator"));
}
public void GenerateUniqueFileName_SupplyFileAndGeneratorAndPosition_ReturnsFileNameWithExtensionWithProperlyPositionedUniqueString(UniqueCharsPosition position, string expectedResult)
{
// arrange
AppFile file = new AppFile();
file.FileNameFull = "TestFileName.extension";
file.FileNameWithoutExtension = "TestFileName";
file.FileExtension = ".extension";
Mock<IUniqueCharsGenerator> generatorMock = new Mock<IUniqueCharsGenerator>();
generatorMock.Setup(s => s.Generate()).Returns("UniqueCharsSequence");
FileHelper fileHelper = new FileHelper();
// act
string result = fileHelper.GenerateUniqueFileName(file, generatorMock.Object, position);
//assert
Assert.AreEqual(expectedResult, result);
}
public void FileSizeFormatter_ReceivesPositiveValue_ReturnsMegabytes()
{
//arrange
SetInvariantCulture();
FileHelper fileHelper = new FileHelper();
double rawSize = 2091008;
//act
string result = fileHelper.FileSizeFormatter(rawSize);
//assert
Assert.AreEqual("1.99 MB", result);
RestoreCulture();
}
public void FileSizeFormatter_ReceivesPositiveValue_ReturnsKilobytes()
{
//arrange
FileHelper fileHelper = new FileHelper();
double rawSize = 2048;
//act
string result = fileHelper.FileSizeFormatter(rawSize);
//assert
Assert.AreEqual("2 KB", result);
}
public void FileSizeFormatter_ReceivesPositiveValue_ReturnsGigabytes()
{
//arrange
FileHelper fileHelper = new FileHelper();
double rawSize = 5368709120;
//act
string result = fileHelper.FileSizeFormatter(rawSize);
//assert
Assert.AreEqual("5 GB", result);
}
public void FileSizeFormatter_ReceivesNegativeValue_ReturnsEmptyString()
{
//arrange
FileHelper fileHelper = new FileHelper();
double rawSize = -1024;
//act
string result = fileHelper.FileSizeFormatter(rawSize);
//assert
Assert.AreEqual("", result);
}
public void FileSizeConverter_ReceivesPositiveIntegerSizeAndMegabyteUnit_ReturnsBytes()
{
// arrange
FileHelper fileHelper = new FileHelper();
double rawSize = 1;
// act
double result = fileHelper.FileSizeConverter(rawSize, FileSizeUnit.Megabyte);
// assert
Assert.AreEqual(1048576, result);
}
