public void Sort_WithNullString_NullArgumentException(string textQuery)
{
//Arrange
ITextSorter lenghtSorter = new WordLengthSorter();
//Action
Exception ex = Assert.Catch <Exception>(() => lenghtSorter.Sort(textQuery));
//Assert
StringAssert.Contains(TextConstants.TEXT_NULL_ERROR, ex.Message);
}
public void Sort_WithSpaceDelimiterForWords_FirstWordShorter(string textQuery, string expectingWord)
{
//Arrange
ITextSorter lenghtSorter = new WordLengthSorter();
//Action
string sorted = lenghtSorter.Sort(textQuery);
string firstword = sorted.Split(TextConstants.SPLITTER)[0];
//Assert
Assert.True(firstword == expectingWord);
}
public void Sort_WithSpaceDelimiterForWords_WordLenghtIsIncremental(string textQuery)
{
//Arrange
ITextSorter lenghtSorter = new WordLengthSorter();
//Action
string sorted = lenghtSorter.Sort(textQuery);
string[] words = sorted.Split(TextConstants.SPLITTER);
bool incrementalOrder = true;
for (int i = 1; i < words.Length; i++)
{
if (words[i - 1].Length > words[i].Length)
{
incrementalOrder = false;
}
}
//Assert
Assert.IsTrue(incrementalOrder);
}
private ITextSorter InstanceCreateTextSorter(eSortMode sortMode)
{
ITextSorter newInstance = null;
switch (sortMode)
{
case eSortMode.AlphabeticAsc:
newInstance = new AlphabeticAscendentSorter();
break;
case eSortMode.AlphabeticDesc:
newInstance = new AlphabeticDescendentSorter();
break;
case eSortMode.LenghtAsc:
newInstance = new WordLengthSorter();
break;
default:
throw new NotImplementedException(TextConstants.SORTER_CRITERIA_NOTIMPLEMENTED);
}
return(newInstance);
}
