public void GetListOfClosestWordsFuncTest()
{
// arrange
ILevenshteinDistance levDist = new WagnerFischer();
List<string> origWords = new List<string>()
{
"First",
"Second",
"Third",
"Fourth",
"Fifth",
"Sixth"
};
MockDictionaryFileFiller filler = new MockDictionaryFileFiller(origWords);
WordsDictionary dic = new WordsDictionary(levDist, filler);
List<string> resWords = new List<string>()
{
"First",
"Fifth"
};
// act
List<string> res = dic.GetClosestWords("Funci");
// assert
Assert.IsTrue(Enumerable.SequenceEqual(resWords, res));
}
public void CalcLevenshteinDistanceBothNullArgumentsTest()
{
// arrange
ILevenshteinDistance levDistance = new WagnerFischer();
// act, assert
int distance = levDistance.CalcLevenshteinDistance(null, null);
}
public void CalcLevenshteinDistanceDeletionTest()
{
// arrange
ILevenshteinDistance levDistance = new WagnerFischer();
// act
int distance = levDistance.CalcLevenshteinDistance("distance", "ditance");
// assert
Assert.AreEqual(levDistance.DeletionWeight, distance);
}
public void CalcLevenshteinDistanceBothEmptyStringTest()
{
// arrange
ILevenshteinDistance levDistance = new WagnerFischer();
// act, assert
int distance = levDistance.CalcLevenshteinDistance("", "");
// assert
Assert.AreEqual(0, distance);
}
public void CalcLevenshteinDistanceDeletionReplacementTest()
{
// arrange
ILevenshteinDistance levDistance = new WagnerFischer();
string testString1 = "ghosts";
string testString2 = "opera";
// act
int distance = levDistance.CalcLevenshteinDistance(testString1, testString2);
// assert
Assert.AreEqual(levDistance.ReplacementWeight * testString2.Length +
(testString1.Length - testString2.Length) * levDistance.DeletionWeight, distance);
}
public void CalcLevenshteinDistanceEqualTest()
{
//arrange
ILevenshteinDistance levDistance = new WagnerFischer();
//act
int distance = levDistance.CalcLevenshteinDistance("excellent", "excellent");
//assert
Assert.AreEqual(0, distance);
}
public void CalcLevenshteinDistanceSecondNullArgumentTest()
{
// arrange
ILevenshteinDistance levDistance = new WagnerFischer();
// act, assert
int distance = levDistance.CalcLevenshteinDistance("Stroka1", null);
}
public void CalcLevenshteinDistanceSecondEmptyStringTest()
{
// arrange
ILevenshteinDistance levDistance = new WagnerFischer();
string testString = "Stroka2";
// act
int distance = levDistance.CalcLevenshteinDistance(testString, "");
// assert
Assert.AreEqual(testString.Length * levDistance.DeletionWeight, distance);
}
public void CalcLevenshteinDistanceReplacementTest()
{
// arrange
ILevenshteinDistance levDistance = new WagnerFischer();
// act
int distance = levDistance.CalcLevenshteinDistance("yandex", "yardex");
// assert
Assert.AreEqual(levDistance.ReplacementWeight, distance);
}
public void CalcLevenshteinDistanceInsertionTest()
{
// arrange
ILevenshteinDistance levDistance = new WagnerFischer();
// act
int distance = levDistance.CalcLevenshteinDistance("opera", "hopera");
// assert
Assert.AreEqual(levDistance.InsertionWeight, distance);
}
public void CalcLevenshteinDistanceFirstNullArgumentTest()
{
// arrange
ILevenshteinDistance levDistance = new WagnerFischer();
// act, assert
int distance = levDistance.CalcLevenshteinDistance(null, "Stroka2");
}
public void CalcLevenshteinDistanceFirstEmptyStringTest()
{
// arrange
ILevenshteinDistance levDistance = new WagnerFischer();
string testString = "Stroka";
// act
int distance = levDistance.CalcLevenshteinDistance("", testString);
// assert
Assert.AreEqual(testString.Length * levDistance.InsertionWeight, distance);
}