public void TestUnifiedDiffParsing_AddedRemoved()
{
string inputA =
"This is a test file!\n" +
"Added another line to test file\n" +
"Adding a third line to test file";
string inputB =
"This is a test file!\n" +
"Adding a third line to test file\n" +
"Adding a fourth line to test file";
List <Diff.Diff> diff = DiffFactory.GenerateDiffCache(inputA, inputB);
DiffTextModel textModel = DiffFactory.GenerateUnifiedDiff(diff);
Assert.IsTrue(textModel.LineCount == 5);
DiffTextLine removedLine = textModel.GetLine(1) as DiffTextLine;
Assert.IsTrue(removedLine.ToString() == "Added another line to test file");
Assert.IsTrue(removedLine.BeforeLineNo == 2);
Assert.IsTrue(removedLine.ChangeType == DiffLineType.Remove);
DiffTextLine addedLine = textModel.GetLine(3) as DiffTextLine;
Assert.IsTrue(addedLine.ToString() == "Adding a third line to test file");
Assert.IsTrue(addedLine.BeforeLineNo == -1);
Assert.IsTrue(addedLine.LineNo == 2);
Assert.IsTrue(addedLine.ChangeType == DiffLineType.Insert);
}
public static async Task <List <Diff> > GenerateDiffCache(string fileA, string fileB)
{
if (string.IsNullOrEmpty(fileA) || string.IsNullOrEmpty(fileB))
{
return(new List <Diff>());
}
fileA = fileA.Replace("/", "\\");
fileB = fileB.Replace("/", "\\");
var fileAFolder = await StorageFolder.GetFolderFromPathAsync(
fileA.Substring(0, fileA.LastIndexOf('\\')));
var fileBFolder = await StorageFolder.GetFolderFromPathAsync(
fileB.Substring(0, fileB.LastIndexOf('\\')));
var fileAFile = await fileAFolder.GetFileAsync(FileHelper.GetFileName(fileA));
var fileBFile = await fileBFolder.GetFileAsync(FileHelper.GetFileName(fileB));
var fileAText = await Windows.Storage.FileIO.ReadTextAsync(fileAFile);
var fileBText = await Windows.Storage.FileIO.ReadTextAsync(fileBFile);
fileAText = fileAText.Replace("\r\n", "\n");
fileBText = fileBText.Replace("\r\n", "\n");
return(DiffFactory.GenerateDiffCache(fileAText, fileBText));
}
public void TestSplitDiffParsing()
{
string inputA =
"This is a test file!\n" +
"Added another line to test file\n" +
"Adding a third line to test file";
string inputB =
"This is a test file!\n" +
"Added another line to test file\n" +
"Adding a third line to test file\n" +
"Adding a fourth line to test file";
List <Diff.Diff> diff = DiffFactory.GenerateDiffCache(inputA, inputB);
SplitDiffModel splitDiff = DiffFactory.GenerateSplitDiff(diff);
Assert.IsTrue(splitDiff.SideA.LineCount == 3);
Assert.IsTrue(splitDiff.SideB.LineCount == 4);
DiffTextLine addedLine = splitDiff.SideB.GetLine(3) as DiffTextLine;
Assert.IsTrue(addedLine.BeforeLineNo == -1);
Assert.IsTrue(addedLine.LineNo == 4);
Assert.IsTrue(addedLine.ChangeType == DiffLineType.Insert);
}
