public void Read_ReturnCollectionOfDictionaryWordObjectsWithDataFromStreamRowsSkipFirst()
{
// arrange
var stream = new MemoryStream();
var streamWriter = new StreamWriter(stream);
streamWriter.WriteLine(3);
streamWriter.WriteLine("element1 10");
streamWriter.WriteLine("element2 20");
streamWriter.WriteLine("element3 30");
streamWriter.Flush();
stream.Seek(0, SeekOrigin.Begin);
var expectedResultArray = new DictionaryWord[]
{
new DictionaryWord("element1", 10),
new DictionaryWord("element2", 20),
new DictionaryWord("element3", 30)
};
var streamReader = new StreamReader(stream);
var dictionaryWordsInputReader =
new DictionaryWordsInputReader(streamReader);
// act
var actualResultCollection = dictionaryWordsInputReader.Read();
//assert
var actualResultArray = actualResultCollection.ToArray();
CollectionAssert.AreEqual(
expectedResultArray,
actualResultArray,
new DictionaryWordComparer());
}
public void Write_WhenAutocompleteCollectionIsEmpty_ShouldWriteStringWithTwoLineBreaks()
{
// arrange
var stream = new MemoryStream();
var streamWriter = new StreamWriter(stream);
streamWriter.AutoFlush = true;
var autocompleteOutputWriter = new AutocompleteOutputWriter(streamWriter);
IEnumerable<DictionaryWord> autocompleteCollection = new DictionaryWord[0];
var expectedStreamContent = string.Format("{0}{0}", Environment.NewLine);
// act
autocompleteOutputWriter.Write(autocompleteCollection);
//assert
stream.Seek(0, SeekOrigin.Begin);
var resultStreamReader = new StreamReader(stream);
var actualStreamContent = resultStreamReader.ReadToEnd();
Assert.AreEqual(
expectedStreamContent,
actualStreamContent,
false);
}
public void Constructor_MustSetPropertyFrequencyFromFrequencyArgumentOfConstructor()
{
// arrange
string text = "abcdefgh";
int frequency = 123456;
// act
var dictionaryWord = new DictionaryWord(text, frequency);
//assert
Assert.AreEqual(
frequency,
dictionaryWord.Frequency,
"Значение свойства Frequency отличается от аргумента, переданного в конструктор");
}
public void Constructor_WhenFrequencyLess1_ShouldThrowArgumentOutOfRangeException()
{
// arrange
string text = "a";
int frequency = 0;
// act
try
{
var dictionaryWord = new DictionaryWord(text, frequency);
}
catch (ArgumentOutOfRangeException e)
{
//assert
Assert.AreEqual("frequency", e.ParamName, false);
return;
}
Assert.Fail("Ожидаемое исключение не было выброшено.");
}
public void Constructor_WhenTextIsEmpty_ShouldThrowArgumentException()
{
// arrange
string text = string.Empty;
int frequency = 1;
// act
try
{
var dictionaryWord = new DictionaryWord(text, frequency);
}
catch (ArgumentException e)
{
//assert
Assert.AreEqual("text", e.ParamName, false);
return;
}
Assert.Fail("Ожидаемое исключение не было выброшено.");
}
public void ToString_ReturnStringWithValuesOfTextAndFrequencyProperties()
{
// arrange
string text = "abcdefgh";
int frequency = 123456;
var dictionaryWord = new DictionaryWord(text, frequency);
// act
var result = dictionaryWord.ToString();
//assert
Assert.AreEqual(
"(Text: 'abcdefgh'; Frequency: 123456)",
result,
false);
}
