public async Task WillOverwriteFileIfOverwriteTrueAndRealFileSystemIsUsed()
{
// Arrange
using (var testDirectory = TestDirectory.Create())
{
var fileSystemService = new FileSystemService();
var configuration = new Mock <IAppConfiguration>();
configuration
.Setup(x => x.FileStorageDirectory)
.Returns(testDirectory);
var service = new FileSystemFileStorageService(
configuration.Object,
fileSystemService);
var directory = Path.Combine(testDirectory, FolderName);
var filePath = Path.Combine(directory, FileName);
Directory.CreateDirectory(directory);
File.WriteAllText(filePath, string.Empty);
// Act
await service.SaveFileAsync(
FolderName,
FileName,
new MemoryStream(Encoding.ASCII.GetBytes(FileContent)),
overwrite : true);
Assert.True(File.Exists(filePath), $"The file at path {filePath} should exist, but does not.");
Assert.Equal(FileContent, File.ReadAllText(filePath));
}
}
public async Task CopiesFileWhenDestinationDoesNotExist()
{
// Arrange
var content = "Hello, world!";
await _target.SaveFileAsync(
_srcFolderName,
_srcFileName,
new MemoryStream(Encoding.ASCII.GetBytes(content)));
// Act
await _target.CopyFileAsync(
_srcFolderName,
_srcFileName,
_destFolderName,
_destFileName,
destAccessCondition : null);
// Assert
using (var destStream = await _target.GetFileAsync(_destFolderName, _destFileName))
using (var reader = new StreamReader(destStream))
{
Assert.Equal(content, reader.ReadToEnd());
}
}
private static async Task <bool> SaveFileAsync(FileSystemFileStorageService service, string fileName, Barrier barrier)
{
await Task.Yield();
try
{
barrier.SignalAndWait();
await service.SaveFileAsync(
FolderName,
fileName,
new MemoryStream(),
overwrite : false);
return(true);
}
catch
{
return(false);
}
}
public async Task WillThrowIfFileExistsAndOverwriteFalseAndRealFileSystemIsUsed()
{
// Arrange
using (var testDirectory = TestDirectory.Create())
{
var fileSystemService = new FileSystemService();
var configuration = new Mock <IAppConfiguration>();
configuration
.Setup(x => x.FileStorageDirectory)
.Returns(testDirectory);
var service = new FileSystemFileStorageService(
configuration.Object,
fileSystemService);
var directory = Path.Combine(testDirectory, FolderName);
var filePath = Path.Combine(directory, FileName);
Directory.CreateDirectory(directory);
File.WriteAllText(filePath, FileContent);
// Act
var exception = await Assert.ThrowsAsync <InvalidOperationException>(() => service.SaveFileAsync(
FolderName,
FileName,
new MemoryStream(),
overwrite: false));
Assert.True(File.Exists(filePath), $"The file at path {filePath} should exist, but does not.");
Assert.Equal(FileContent, File.ReadAllText(filePath));
}
}
