public void Should_RaiseException_When_SingleWord_IsPassed()
{
//arrange
IStringOperation opertaion = new StringOperation();
//act
IEnumerable <WordDataDto> data = (opertaion.CountFrequentWords("AlphaFX"));
//assert
Assert.Single(data);
}
public void Should_RaiseException_When_Whitespace_IsPassed()
{
//arrange
IStringOperation opertaion = new StringOperation();
//act
void act() => opertaion.CountFrequentWords(" ");
//assert
Assert.Throws <ArgumentException>(act);
}
public void Should_ReturnAllWordWithAlphaCount2_When_StringWithLessThan10Word_And_1RepeatingWord_IsPassed()
{
//arrange
IStringOperation opertaion = new StringOperation();
//act
IEnumerable <WordDataDto> data = opertaion.CountFrequentWords("Alpha Alpha FX - Count of Word");
//assert
Assert.Equal(6, data.Count());
Assert.Equal(2, data.Single(b => b.Word.Equals("Alpha")).Count);
}
public void Should_ReturnAllWordWithSingleAppearance_When_StringWithLessThan10Word_And_AllUniqueWord_IsPassed()
{
//arrange
IStringOperation opertaion = new StringOperation();
//act
IEnumerable <WordDataDto> data = (opertaion.CountFrequentWords("Alpha FX - Count of Word"));
//assert
Assert.Equal(6, data.Count());
Assert.True(data.All(a => a.Count == 1));
}
public void Should_ReturnTop10Words_When_String_IsPassed()
{
//arrange
IStringOperation opertaion = new StringOperation();
//act
string fileData = File.ReadAllText("Lord of the Ring.txt");
List <WordDataDto> data = new List <WordDataDto>(
opertaion.CountFrequentWords(fileData));
//assert
int count = data.Count();
Assert.Equal(10, count);
}
public void Should_ReturnAllWordIgnoringRepeatingSpaces_When_String_IsPassed()
{
//arrange
IStringOperation opertaion = new StringOperation();
//act
IEnumerable <WordDataDto> data = opertaion.CountFrequentWords("Alpha Alpha FX FX FX F F X X X X yyy yyy - Count of Word");
//assert
Assert.Equal(9, data.Count());
Assert.Equal(2, data.Single(b => b.Word.Equals("Alpha")).Count);
Assert.Equal(3, data.Single(b => b.Word.Equals("FX")).Count);
Assert.Equal(2, data.Single(b => b.Word.Equals("F")).Count);
Assert.Equal(4, data.Single(b => b.Word.Equals("X")).Count);
Assert.Equal(2, data.Single(b => b.Word.Equals("yyy")).Count);
}
public void Should_ReturnAllWords_When_StringWithLessThan10RepeatingWords_IsPassed()
{
//arrange
IStringOperation opertaion = new StringOperation();
//act
IEnumerable <WordDataDto> data = opertaion.CountFrequentWords("Alpha Alpha FX FX FX F F X X X X - Count of Word");
//assert
Assert.Equal(8, data.Count());
Assert.Equal(2, data.Single(b => b.Word.Equals("Alpha")).Count);
Assert.Equal(3, data.Single(b => b.Word.Equals("FX")).Count);
Assert.Equal(2, data.Single(b => b.Word.Equals("F")).Count);
Assert.Equal(4, data.Single(b => b.Word.Equals("X")).Count);
Assert.Equal("X", data.ToArray()[0].Word);
Assert.Equal("FX", data.ToArray()[1].Word);
Assert.Equal("Alpha", data.ToArray()[2].Word);
Assert.Equal("F", data.ToArray()[3].Word);
}