public void CanReloadFile()
{
var fileInformation = new FileInformation(this.fileName, this.now);
var expectedData = new FileInternalData(this.fileName, null);
this.mockFileInternalDataExtractor
.Setup(x => x.GetFileInternalData(this.fileName))
.Returns(expectedData);
FileInternalData data = this.cache.GetActualData(fileInformation);
Assert.AreEqual(expectedData, data);
var newFileInformation = new FileInformation(this.fileName, this.now.AddMinutes(1));
var newExpectedData = new FileInternalData(this.fileName, null);
this.mockFileInternalDataExtractor
.Setup(x => x.GetFileInternalData(this.fileName))
.Returns(newExpectedData);
FileInternalData newData = this.cache.GetActualData(newFileInformation);
Assert.AreEqual(newExpectedData, newData);
this.mockFileInternalDataExtractor.Verify(x => x.GetFileInternalData(this.fileName), Times.Exactly(2));
}
public void CanUnderstandAddedFiles()
{
var fileInformation = new FileInformation(this.fileName, this.now);
IEnumerable<FileState> filesState = this.cache.CheckLastChanged(new[] {fileInformation});
Assert.IsNotNull(filesState);
Assert.AreEqual(1, filesState.Count());
FileState singleState = filesState.FirstOrDefault();
Assert.AreEqual(fileInformation, singleState.FileInformation);
Assert.AreEqual(FileChangingState.Added, singleState.FileChangingState);
}
public void CanLoadData()
{
var fileInformation = new FileInformation(this.fileName, this.now);
var expectedData = new FileInternalData(this.fileName, null);
this.mockFileInternalDataExtractor
.Setup(x => x.GetFileInternalData(this.fileName))
.Returns(expectedData);
FileInternalData data = this.cache.GetActualData(fileInformation);
Assert.AreEqual(expectedData, data);
}
/// <summary>
/// Вернуть актуальные данные по файлу на заданное время.
/// </summary>
/// <param name="fileInformation">Информация о файле.</param>
/// <returns>Актуальные данные по файлу на заданное время.</returns>
public FileInternalData GetActualData(FileInformation fileInformation)
{
string fileName = fileInformation.FileName;
bool isNewFile = this.filesByDates.TryAdd(fileName, fileInformation.LastUpdateTime);
if (isNewFile ||
this.filesByDates[fileName] < fileInformation.LastUpdateTime ||
!this.filesByNames.ContainsKey(fileName))
{
this.filesByNames[fileName] = this.fileInternalDataExtractor.GetFileInternalData(fileName);
}
return this.filesByNames[fileName];
}
/// <summary>
/// Вернуть актуальные данные по файлу на заданное время.
/// </summary>
/// <param name="fileInformation">Информация о файле.</param>
/// <returns>Актуальные данные по файлу на заданное время.</returns>
public FileInternalData GetActualData(FileInformation fileInformation)
{
if (fileInformation == null)
{
// добавить логирование. такого не должно быть никогда.
throw new ArgumentException("Null file information");
}
this.filesByDates.TryAdd(fileInformation.FileName, new object());
lock (this.filesByDates[fileInformation.FileName])
{
return this.cache.GetActualData(fileInformation);
}
}
public void CanUnderstandNothingChanged()
{
var fileInformation = new FileInformation(this.fileName, this.now);
this.cache.CheckLastChanged(new[] {fileInformation});
IEnumerable<FileState> filesState = this.cache.CheckLastChanged(new[] {fileInformation});
Assert.IsNotNull(filesState);
Assert.IsFalse(filesState.Any());
}
public void DoesNotLoadSameFile()
{
var fileInformation = new FileInformation(this.fileName, this.now);
var expectedData = new FileInternalData(this.fileName, null);
this.mockFileInternalDataExtractor
.Setup(x => x.GetFileInternalData(this.fileName))
.Returns(expectedData);
this.cache.GetActualData(fileInformation);
FileInternalData data = this.cache.GetActualData(new FileInformation(this.fileName, this.now));
Assert.AreEqual(expectedData, data);
this.mockFileInternalDataExtractor.Verify(x => x.GetFileInternalData(this.fileName), Times.Once());
}