private bool GetDiffTest(string oldText, string newText)
{
var result = DiffLogic.GetDiff(oldText, newText);
int diffCount = 0;
foreach (var r in result)
{
if (r.DiffType == Definition.DIFF_TYPE.DIFF_ADD)
{
// ex.)
// old : abc
// ^ Insert before [1]st char => index = 0
// new : 1abc
//
oldText = oldText.Insert(r.OldDataIndex + diffCount, r.DiffObjcet.ToString());
diffCount += r.DiffObjcet.ToString().Length;
}
else if (r.DiffType == Definition.DIFF_TYPE.DIFF_DEL)
{
// ex.)
// old : abc
// ^ Delete [1]st char => index = 1
// new : bc
//
oldText = oldText.Remove(r.OldDataIndex - 1 + diffCount, r.DiffObjcet.ToString().Length);
diffCount -= r.DiffObjcet.ToString().Length;
}
}
return(newText == oldText);
}
public void Diffing_EqualStrings()
{
// Testing data
string left = Base64String.DecodeBase64String("AAAAAA==");
string right = Base64String.DecodeBase64String("AAAAAA==");
DiffData diff = new DiffData
{
Id = 1,
LeftData = left,
RightData = right
};
// Expected result
DiffResponse expected = new DiffResponse
{
DiffResultType = "Equals",
Diffs = null
};
// Actual result
DiffLogic logic = new DiffLogic();
DiffResponse actual = logic.Diffing(diff);
// Assert
Assert.AreEqual(expected.DiffResultType, actual.DiffResultType);
Assert.AreEqual(expected.Diffs, actual.Diffs);
}
public void Diffing_DifferentStrings()
{
// Testing data
string left = Base64String.DecodeBase64String("AAAAAA==");
string right = Base64String.DecodeBase64String("AQABAQ==");
DiffData diff = new DiffData
{
Id = 1,
LeftData = left,
RightData = right
};
// Expected result
List <Diff> diffs = new List <Diff>
{
new Diff
{
Offset = 0,
Length = 1
},
new Diff
{
Offset = 2,
Length = 2
}
};
DiffResponse expected = new DiffResponse
{
DiffResultType = "ContentDoNotMatch",
Diffs = diffs
};
// Actual result
DiffLogic logic = new DiffLogic();
DiffResponse actual = logic.Diffing(diff);
// Assert
Assert.AreEqual(expected.DiffResultType, actual.DiffResultType);
Assert.AreEqual(expected.Diffs.Count, actual.Diffs.Count);
int length = expected.Diffs.Count;
for (int i = 0; i < length; i++)
{
Assert.AreEqual(expected.Diffs[i].Length, actual.Diffs[i].Length);
Assert.AreEqual(expected.Diffs[i].Offset, actual.Diffs[i].Offset);
}
}
public DiffController()
{
diffLogic = new DiffLogic();
}
