public void RemoveOtherSPluralSuffix_EndingInSAndContainingAVowelRightBeforeAndEarlierInWord_DeletesTheS()
{
const string word = "kiwis";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.Step1ARemoveOtherSPluralSuffixes(word);
// Assert
Assert.AreEqual("kiwi", actual);
}
public void RemoveOtherSPluralSuffix_WithShortWordEndingInIed_ReplaceWithIe()
{
const string word = "tied";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.Step1ARemoveOtherSPluralSuffixes(word);
// Assert
Assert.AreEqual("tie", actual);
}
public void RemoveOtherSPluralSuffix_WithWordEndingInSses_ReplaceWithSs()
{
const string word = "assesses";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.Step1ARemoveOtherSPluralSuffixes(word);
// Assert
Assert.AreEqual("assess", actual);
}
public void RemoveSPluralSuffix_WithWordEndingInApostrophe_RemovesSuffix()
{
const string word = "holy'";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.Step0RemoveSPluralSuffix(word);
// Assert
Assert.AreEqual("holy", actual);
}
public void RemoveOtherSPluralSuffix_EndingInUs_LeavesWordAlone()
{
const string word = "consensus";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.Step1ARemoveOtherSPluralSuffixes(word);
// Assert
Assert.AreEqual("consensus", actual);
}
public void MarkVowelsAsConsonants_WithDoubledY_MarksFirstButNotSecondYAsConsonant()
{
const string word = "sayyid";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.MarkYsAsConsonants(word);
// Assert
Assert.AreEqual("saYyid", actual);
}
public void MarkVowelsAsConsonants_WithInitialY_MarksYAsConsonant()
{
const string word = "youth";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.MarkYsAsConsonants(word);
// Assert
Assert.AreEqual("Youth", actual);
}
public void MarkVowelsAsConsonants_WithNoVowelsButY_DoesNotMarkAnyYAsConsonant()
{
const string word = "syzygy";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.MarkYsAsConsonants(word);
// Assert
Assert.AreEqual("syzygy", actual);
}
public void ReplaceYSuffix_NotPreceededyConsonant_DoesNotReplaceSuffix()
{
const string word = "say";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.Step1CReplaceSuffixYWithIIfPreceededWithConsonant(word);
// Assert
Assert.AreEqual("say", actual);
}
public void ReplaceYSuffix_PreceededByConsonant_ReplacesSuffixWithI()
{
const string word = "cry";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.Step1CReplaceSuffixYWithIIfPreceededWithConsonant(word);
// Assert
Assert.AreEqual("cri", actual);
}
public void MarkVowelsAsConsonants_WithYBetweenTwoVowels_MarksYAsConsonant()
{
const string word = "boyish";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.MarkYsAsConsonants(word);
// Assert
Assert.AreEqual("boYish", actual);
}
public void RemoveLySuffixes_EndingInIngAndDoubledLetterProceedsThat_RemovesDoubledLetter()
{
const string word = "hopping";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.Step1BRemoveLySuffixes(word, stemmer.GetRegion1(word));
// Assert
Assert.AreEqual("hop", actual);
}
public void RemoveLySuffixes_EndingInEedlyAndInR1_ReplacesSuffixWithEe()
{
const string word = "inbreedly";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.Step1BRemoveLySuffixes(word, stemmer.GetRegion1(word));
// Assert
Assert.AreEqual("inbree", actual);
}
public void RemoveLySuffixes_EndingInInglyAndAtProceedsThat_ReplacesSuffixWithE()
{
const string word = "luxuriated";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.Step1BRemoveLySuffixes(word, stemmer.GetRegion1(word));
// Assert
Assert.AreEqual("luxuriate", actual);
}
public void RemoveLySuffixes_EndingInEdAndDoesNotContainVowel_LeavesWord()
{
const string word = "fred";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.Step1BRemoveLySuffixes(word, stemmer.GetRegion1(word));
// Assert
Assert.AreEqual("fred", actual);
}
public void RemoveLySuffixes_EndingInIngAndIsShortWord_ReplacesSuffixWithE()
{
const string word = "hoping";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.Step1BRemoveLySuffixes(word, stemmer.GetRegion1(word));
// Assert
Assert.AreEqual("hope", actual);
}
public void MarkVowelsAsConsonants_WithVowelOnlyFollowingY_DoesNotMarkYAsConsonant()
{
const string word = "flying";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.MarkYsAsConsonants(word);
// Assert
Assert.AreEqual("flying", actual);
}
public void EndInShortSyllable_TestingRap_IsCountedAsShort()
{
// Arrange
const string word = "rap";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.EndsInShortSyllable(word);
// Assert
Assert.IsTrue(actual);
}
public void IsShortWord_TestingBeds_IsNotCountedAsShort()
{
// Arrange
const string word = "beds";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.IsShortWord(word);
// Assert
Assert.IsFalse(actual);
}
public void IsShortWord_TestingShred_IsCountedAsShort()
{
// Arrange
const string word = "shred";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.IsShortWord(word);
// Assert
Assert.IsTrue(actual);
}
public void GetRegion1_WithWordContainingRegion1AndRegion2_ProvidesCorrectRangeForRegion1()
{
// Arrange
const string word = "beautiful";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.GetRegion1(word);
// Assert
Assert.AreEqual(5, actual);
}
public void EndInShortSyllable_TestingUproot_IsNotCountedAsShort()
{
// Arrange
const string word = "uproot";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.EndsInShortSyllable(word);
// Assert
Assert.IsFalse(actual);
}
public void GetRegion2_WithWordContainingNeitherRegion_ProvidesRangeWithLength0()
{
// Arrange
const string word = "beau";
var stemmer = new SnowballPorterStemmer();
// Act
var actual = stemmer.GetRegion2(word);
// Assert
Assert.AreEqual(0, actual - word.Length);
}
public void Stem_WithBatchData_StemsAllWordsCorrectly()
{
var stemmer = new SnowballPorterStemmer();
using (var reader = new StreamReader(@"../Controllers/Search Module/Stemmer/TestStemmer/data.csv"))
{
while (!reader.EndOfStream)
{
var line = reader.ReadLine();
var values = line.Split(',');
string expected = values[1];
var stemmed = stemmer.Stem(values[0]).Stemmed;
Assert.AreEqual(expected, stemmed);
}
}
}
