public async Task UniquelyNamedFileStream_FileExists_AppendsNumberToName()
{
var dir = "dir";
var fileName = "file";
var extension = ".html";
var path = Path.Combine(dir, Path.ChangeExtension(fileName, extension));
var progressReporter = Substitute.For<IProgressReporter>();
var fileSystem = Substitute.ForPartsOf<WindowsFileSystem>();
fileSystem.FileExists(path).Returns(true);
fileSystem.CreateFile(Arg.Any<string>()).Returns(x => new MemoryStream());
var expectedResult = Path.Combine(dir, string.Concat(fileName, "(1)", extension));
var writer = new ReportFileWriter(fileSystem, progressReporter);
var report = Encoding.UTF8.GetBytes("This is a test report.");
var reportPath = await writer.WriteReportAsync(report, extension, dir, fileName, overwrite: false);
Assert.Equal(expectedResult, reportPath);
fileSystem.Received(1).CreateFile(Arg.Any<string>());
fileSystem.Received().CreateFile(expectedResult);
}
public async Task UniquelyNamedFileStream_NumberedFileExists_IncrementsNumberInNewName()
{
const int FileExistsCount = 11;
var dir = "dir";
var fileName = "file";
var fileNameFormat = fileName + "({0})";
var extension = ".xlsx";
var path = Path.Combine(dir, Path.ChangeExtension(fileName, extension));
var fileSystem = Substitute.For<IFileSystem>();
var progressReporter = Substitute.For<IProgressReporter>();
fileSystem.CombinePaths(Arg.Any<string[]>()).Returns(a => Path.Combine(a.Arg<string[]>()));
fileSystem.CreateFile(Arg.Any<string>()).Returns(x => new MemoryStream());
int fileNumber = 1;
do
{
fileSystem.FileExists(path).Returns(true);
var nextFileName = string.Format(fileNameFormat, fileNumber);
path = Path.Combine(dir, Path.ChangeExtension(nextFileName, extension));
} while (fileNumber++ < FileExistsCount);
var writer = new ReportFileWriter(fileSystem, progressReporter);
var report = Encoding.UTF8.GetBytes("This is a test report.");
var reportPath = await writer.WriteReportAsync(report, extension, dir, fileName, overwrite: false);
Assert.Equal(path, reportPath);
fileSystem.Received(1).CreateFile(Arg.Any<string>());
fileSystem.Received().CreateFile(path);
}
public async Task VerifyReportHTMLContents()
{
var dir = "dir";
var fileName = "file";
var extension = ".html";
var path = Path.Combine(dir, Path.ChangeExtension(fileName, extension));
var progressReporter = Substitute.For<IProgressReporter>();
var memoryStream = new MemoryStream();
var fileSystem = Substitute.ForPartsOf<WindowsFileSystem>();
fileSystem.FileExists(path).Returns(true);
fileSystem.CreateFile(Arg.Any<string>()).Returns(memoryStream);
var expectedResult = Path.Combine(dir, string.Concat(fileName, "(1)", extension));
var writer = new ReportFileWriter(fileSystem, progressReporter);
var report = "This is a test report.";
var reportArray = Encoding.UTF8.GetBytes(report);
string reportPath = await writer.WriteReportAsync(reportArray, extension, dir, fileName, overwrite: false);
fileSystem.Received(1).CreateFile(Arg.Any<string>());
fileSystem.Received().CreateFile(expectedResult);
Assert.Equal(expectedResult, reportPath);
byte[] writtenBytes = memoryStream.ToArray();
Assert.Equal(report, Encoding.UTF8.GetString(writtenBytes));
}
public async Task DoNotUpdateExtensionIfInputExtensionIsEmpty()
{
var dir = "dir";
var fileName = "file.test";
var extension = string.Empty;
var path = Path.Combine(dir, fileName);
var progressReporter = Substitute.For<IProgressReporter>();
var memoryStream = new MemoryStream();
var fileSystem = Substitute.ForPartsOf<WindowsFileSystem>();
fileSystem.CreateFile(Arg.Any<string>()).Returns(memoryStream);
var writer = new ReportFileWriter(fileSystem, progressReporter);
var report = "This is a test report.";
var reportArray = Encoding.UTF8.GetBytes(report);
string reportPath = await writer.WriteReportAsync(reportArray, extension, dir, fileName, overwrite: false);
fileSystem.Received(1).CreateFile(Arg.Any<string>());
fileSystem.Received().CreateFile(path);
Assert.Equal(path, reportPath);
byte[] writtenBytes = memoryStream.ToArray();
Assert.Equal(report, Encoding.UTF8.GetString(writtenBytes));
}