public void LogError_WhenFolderMissing_ShouldCreateFolderAndLogMessage()
{
//---------------Set up test pack-------------------
const string thisIsAMessage = "This is a error message";
var missingSubFolder = Guid.NewGuid().ToString();
var logFile = Guid.NewGuid().ToString();
var fileName = Path.Combine(missingSubFolder, logFile);
var fileSystem = Substitute.For <IFileSystem>();
fileSystem.GetDirectoryName(fileName).Returns(missingSubFolder);
fileSystem.DirectoryExists(missingSubFolder).Returns(false);
string[] actualMessages = null;
fileSystem.AppendAllLines(fileName, Arg.Do <string[]>(x => actualMessages = x));
var logTarget = new TextFileLogTarget(fileName, fileSystem);
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
logTarget.LogError(thisIsAMessage);
//---------------Test Result -----------------------
fileSystem.Received().CreateDirectory(missingSubFolder);
Assert.IsTrue(actualMessages.First(m => m.Contains(thisIsAMessage)) != null);
}
public void LogError_ShouldLogErrorMessage()
{
//---------------Set up test pack-------------------
var fileName = Path.GetTempFileName();
var fileSystem = Substitute.For <IFileSystem>();
var logTarget = new TextFileLogTarget(fileName, fileSystem);
const string folderName = "FolderName";
fileSystem.GetDirectoryName(fileName).Returns(folderName);
fileSystem.DirectoryExists(folderName).Returns(true);
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
const string thisIsAMessage = "This is a error message";
logTarget.LogError(thisIsAMessage);
//---------------Test Result -----------------------
fileSystem.Received().AppendAllLines(fileName, Arg.Any <IEnumerable <string> >());
}
public void LogInfo_ShouldLogMessage()
{
//---------------Set up test pack-------------------
const string thisIsAMessage = "This is a message";
var folder = Guid.NewGuid().ToString();
var logFile = Guid.NewGuid().ToString();
var fileName = Path.Combine(folder, logFile);
var fileSystem = Substitute.For <IFileSystem>();
fileSystem.GetDirectoryName(fileName).Returns(folder);
fileSystem.DirectoryExists(folder).Returns(true);
string[] messages = null;
fileSystem.AppendAllLines(fileName, Arg.Do <string[]>(x => messages = x));
var logTarget = new TextFileLogTarget(fileName, fileSystem);
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
logTarget.LogInfo(thisIsAMessage);
//---------------Test Result -----------------------
Assert.IsTrue(messages.First(m => m.Contains(thisIsAMessage)) != null);
}
