public void LookupURLOfUpdateInternal_NotBehindCaptivePortal_Works()
{
var t = new UpdateVersionTable();
t.URLOfTable = "http://bloomlibrary.org/channels/UpgradeTableAlpha.txt";
t.RunningVersion = Version.Parse("2.0.2000");
//the full result would normally be something like
//"https://s3.amazonaws.com/bloomlibrary.org/deltasAlpha"
//check that feeding this a normal WebClient doesn't find an error.
var client = new BloomWebClient();
TableLookupResult dummy;
Assert.IsTrue(t.CanGetVersionTableFromWeb(client, out dummy));
}
/// <summary>
/// Note! This will propagate network exceptions, so client can catch them and warn or not warn the user.
/// </summary>
/// <returns></returns>
public UpdateTableLookupResult LookupURLOfUpdate(bool forceReload = false)
{
if (string.IsNullOrEmpty(TextContentsOfTable) || forceReload)
{
Logger.WriteEvent("Enter LookupURLOfUpdate()");
var client = new BloomWebClient();
{
UpdateTableLookupResult errorResult;
if (!CanGetVersionTableFromWeb(client, out errorResult))
{
return(errorResult);
}
}
}
if (RunningVersion == default(Version))
{
RunningVersion = Assembly.GetExecutingAssembly().GetName().Version;
}
var parsingErrorMsg = String.Empty;
try
{
//NB Programmers: don't change this to some OS-specific line ending, this is file read by both OS's. '\n' is common to files edited on linux and windows.
foreach (var line in TextContentsOfTable.Split(new[] { '\n' }, StringSplitOptions.RemoveEmptyEntries))
{
if (line.TrimStart().StartsWith("#"))
{
continue; //comment
}
var parts = line.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length != 3)
{
Logger.WriteEvent("***Error: UpdateVersionTable could not parse line {0} of this updateTableContent:", line);
LogTableContents();
throw new ApplicationException(line);
}
var lower = Version.Parse(parts[0]);
var upper = Version.Parse(parts[1]);
if (lower <= RunningVersion && upper >= RunningVersion)
{
return new UpdateTableLookupResult {
URL = parts[2].Trim()
}
}
;
}
parsingErrorMsg = string.Format("{0} contains no record for this version of Bloom", GetUrlOfTable());
}
catch (ApplicationException e)
{
// BL-2654 Failure when reading upgrade table should not give a crash
// In this case, a line of the UpdateVersionTable was not parseable
// Put a message in the log and don't upgrade (and return a message that will get into a 'toast')
parsingErrorMsg = "Could not parse a line of the UpdateVersionTable" + e.Message;
Logger.WriteEvent(parsingErrorMsg);
}
catch (ArgumentException e)
{
// BL-2654 Failure when reading upgrade table should not give a crash
// In this case, a version number in the UpdateVersionTable was not parseable
// Put a message in the log and don't upgrade (and return a message that will get into a 'toast')
parsingErrorMsg = "Could not parse a version number in the UpdateVersionTable" + e.Message;
Logger.WriteEvent(parsingErrorMsg);
}
return(new UpdateTableLookupResult {
URL = String.Empty, Error = new WebException(parsingErrorMsg)
});
}
