public void WhenAddingEmptyStringThenAddStringToDictionary()
{
var dictionary = new WordCountingDictionary();
dictionary.Add(string.Empty);
Assert.That(dictionary.Count, Is.EqualTo(1));
Assert.That(dictionary[string.Empty], Is.EqualTo(1));
}
public void WhenDictionaryContainsKeyAndQueryingByLowerCaseKeyThenThrowException()
{
var dictionary = new WordCountingDictionary();
dictionary.Add("Word1");
Assert.Throws<KeyNotFoundException>(() =>
{
var count = dictionary["word1"];
});
}
public void WhenDictionaryContainsKeyAndAddingLowercaseThenAddNewKey()
{
var dictionary = new WordCountingDictionary();
dictionary.Add("Word1");
var wordCount = dictionary["Word1"];
dictionary.Add("word1");
var wordCountAfterAddingLowercase = dictionary["Word1"];
Assert.That(dictionary.Count, Is.EqualTo(2));
Assert.That(wordCount, Is.EqualTo(wordCountAfterAddingLowercase));
}
public void WhenDictionaryContainsKeyThenIncrementKeyCount()
{
var dictionary = new WordCountingDictionary();
dictionary.Add("Word1");
var wordCount = dictionary["Word1"];
dictionary.Add("Word1");
var incrementedWordCount = dictionary["Word1"];
Assert.That(dictionary.Count, Is.EqualTo(1));
Assert.That(wordCount + 1, Is.EqualTo(incrementedWordCount));
}
public void WhenDictionaryDoesNotContainKeyThenAddKeyToDictionary()
{
var dictionary = new WordCountingDictionary();
dictionary.Add("Word1");
dictionary.Add("Word1");
var keyCount = dictionary.Count();
dictionary.Add("Word2");
var newWordKeyCount = dictionary.Count();
Assert.That(dictionary.Count, Is.EqualTo(2));
Assert.That(keyCount + 1, Is.EqualTo(newWordKeyCount));
}
public void PersistData(WordCountingDictionary inputData)
{
if (inputData == null)
{
throw new ArgumentNullException("inputData");
}
Console.WriteLine(ConsoleOutputDataPersistorConsts.ReportHeader);
var sb = new StringBuilder();
foreach (var pair in inputData)
{
sb.AppendLine(string.Format(ConsoleOutputDataPersistorConsts.LineDisplayPattern, pair.Key, pair.Value));
}
Console.Write(sb.ToString());
}
