public void GetChangeReport_NoChanges_PerformanceTest()
{
using (TempFile working = new TempFile(_originalLift))
{
int howManyEntries = 10000;
Debug.WriteLine("running test using " + howManyEntries.ToString() + " entries");
using (XmlWriter w = XmlWriter.Create(working.Path))
{
w.WriteStartElement("lift");
for (int i = 0; i < howManyEntries; i++)
{
w.WriteStartElement("entry");
w.WriteAttributeString("id", i.ToString());
w.WriteElementString("lexical-unit", "<form lang='x'><text>"
+ Path.GetRandomFileName()
//just a way to get some random text
+ "</text></form>");
w.WriteElementString("gloss", "<form lang='y'><text>"
+ Path.GetRandomFileName() //just a way to get some random text
+ "</text></form>");
w.WriteEndElement();
}
w.WriteEndElement();
}
using (TempFolder cache = new TempFolder("LiftChangeDetectorTestsCache"))
{
LiftChangeDetector detector = new LiftChangeDetector(working.Path, cache.Path);
System.Diagnostics.Stopwatch timer = new Stopwatch();
timer.Start();
detector.Reset();
timer.Stop();
Debug.WriteLine("reset took " + timer.Elapsed.TotalSeconds + " seconds");
timer.Reset();
timer.Start();
ILiftChangeReport report = detector.GetChangeReport(null);
timer.Stop();
Debug.WriteLine("getting report took " + timer.Elapsed.TotalSeconds + " seconds");
timer.Reset();
timer.Start();
for (int i = 0; i < howManyEntries; i++)
{
report.GetChangeType(i.ToString());
}
timer.Stop();
Debug.WriteLine("Time to inquire about each entry " + timer.Elapsed.TotalSeconds + " seconds");
}
}
}
public void GetChangeReport_AfterChange_Reasonable()
{
using (TempFile working = new TempFile(_originalLift))
{
using (TempFolder cache = new TempFolder("LiftChangeDetectorTestsCache"))
{
LiftChangeDetector detector = new LiftChangeDetector(working.Path, cache.Path);
detector.Reset();
File.WriteAllText(working.Path, _modifiedLift);
ILiftChangeReport report = detector.GetChangeReport(new NullProgress());
Assert.AreEqual(LiftChangeReport.ChangeType.Editted, report.GetChangeType("one"));
Assert.AreEqual(LiftChangeReport.ChangeType.Deleted, report.GetChangeType("two"));
Assert.AreEqual(1, report.IdsOfDeletedEntries.Count);
}
}
}
//private static bool NodeContentIsJustAString(XmlNode node)
//{
// return node.InnerText != null
// && (node.ChildNodes.Count == 1)
// && (node.ChildNodes[0].NodeType == XmlNodeType.Text)
// && node.InnerText.Trim() != string.Empty;
//}
// public LexExampleSentence ReadExample(XmlNode xmlNode)
// {
// LexExampleSentence example = new LexExampleSentence();
// LocateAndReadMultiText(xmlNode, "source", example.Sentence);
// //NB: will only read in one translation
// LocateAndReadMultiText(xmlNode, "trans", example.Translation);
// return example;
// }
//
/// <summary>
/// Read a LIFT file. Must be the current lift version.
/// </summary>
public int ReadLiftFile(string pathToLift)
{
_pathToLift = pathToLift; // may need this to find its ranges file.
if (_defaultCreationModificationUTC == default(DateTime))
{
_defaultCreationModificationUTC = File.GetLastWriteTimeUtc(pathToLift);
}
ProgressTotalSteps = GetEstimatedNumberOfEntriesInFile(pathToLift);
ProgressStepsCompleted = 0;
if (Validator.GetLiftVersion(pathToLift) != Validator.LiftVersion)
{
throw new LiftFormatException("Programmer should migrate the lift file before calling this method.");
}
int numberOfEntriesRead = 0;
if (_changeDetector != null && _changeDetector.CanProvideChangeRecord)
{
ProgressMessage = "Detecting Changes To Lift File...";
_changeReport = _changeDetector.GetChangeReport(new NullProgress());
}
using (XmlReader reader = XmlReader.Create(pathToLift, NormalReaderSettings))
{
reader.ReadStartElement("lift");
ReadHeader(reader);
numberOfEntriesRead = ReadEntries(reader);
}
if (_changeReport != null && _changeReport.IdsOfDeletedEntries.Count > 0)
{
ProgressMessage = "Removing entries that were removed from the Lift file...";
foreach (string id in _changeReport.IdsOfDeletedEntries)
{
Extensible eInfo = new Extensible();
eInfo.Id = id;
_merger.EntryWasDeleted(eInfo, default(DateTime) /* we don't know... why is this part of the interface, anyhow? */);
}
}
return(numberOfEntriesRead);
}
