public void CalculateWordsOccurence_Punctuation()
{
const string text = " - \t \r\n .,?!:;~";
var wordsOccurence = WordCounter.CalculateWordsOccurence(text);
Assert.True(wordsOccurence.Keys.Count == 0, "punctuation characters were found");
}
public void CalculateWordsOccurence_Text()
{
const string text = @"Peter Piper picked a peck of pickled peppers.
A peck of pickled peppers Peter Piper picked.
If Peter Piper picked a peck of pickled peppers,
Where's the peck of pickled peppers Peter Piper picked?";
var wordsOccurence = WordCounter.CalculateWordsOccurence(text);
Assert.True(wordsOccurence.ContainsKey("peppers"), "expected to find \"peppers\", but it wasn't found");
Assert.True(wordsOccurence["peppers"] == 4, string.Format("\"peppers\" expected to occur 4 times, but was found {0} times", wordsOccurence["peppers"]));
Assert.True(wordsOccurence.Keys.All(x => x.All(char.IsLower)), "all words expected to be lowercase, but uppercase letter(s) were found");
Assert.True(wordsOccurence.Count == 12, string.Format("expected to find 12 words, but found {0} words", wordsOccurence.Count));
Assert.True(wordsOccurence.Keys.All(x => x.IndexOf(' ') == -1), "expected to have no whitespaces in words, but whitespace(s) were found");
Assert.True(wordsOccurence.Values.Sum() == 35, string.Format("expected to find 35 words, but found {0} words", wordsOccurence.Values.Sum()));
}
