public void GivenAListOfWordsWhenTop50ThenReturnsWordsSortedByFrequency()
{
var stringToReturn = "10";
for (int i = 1; i < 10; i++)
{
for (int j = 10 - i; j <= 10; j++)
{
stringToReturn += " " + (10 - i);
}
}
_fileRepository.ReadFile().Returns(stringToReturn);
var sut = new FileReaderService(_fileRepository);
var result = sut.Top50().ToList();
result[0].Should().Be("1");
result[1].Should().Be("2");
result[2].Should().Be("3");
result[3].Should().Be("4");
result[4].Should().Be("5");
result[5].Should().Be("6");
result[6].Should().Be("7");
result[7].Should().Be("8");
result[8].Should().Be("9");
result[9].Should().Be("10");
}
public void GivenAllOfMobyDickWhenTop50ThenReturnsTheTop50Words()
{
var sut = new FileReaderService(new FileRepository("http://www.gutenberg.org/files/2701/2701-0.txt"));
var result = sut.Top50().ToList();
result.Count.Should().Be(50);
}
public void GivenALotOfWhiteSpaceWhenTop50ThenDoesNotReturnWhiteSpace()
{
_fileRepository.ReadFile().Returns("\n\t \n \t Hello batman");
var sut = new FileReaderService(_fileRepository);
var result = sut.Top50().ToList();
result.Count.Should().Be(2);
result.Should().Contain("Hello");
result.Should().Contain("batman");
}
public void GivenAListOf100WordsWhenTop50ThenReturnsOnlyFiftyWords()
{
var stringToReturn = "1";
for (int i = 2; i <= 100; i++)
{
stringToReturn += $" {i}";
}
_fileRepository.ReadFile().Returns(stringToReturn);
var sut = new FileReaderService(_fileRepository);
var result = sut.Top50().ToList();
result.Count.Should().Be(50);
}
public void GivenAListOfTheSameWord100TimesWhenTop50ThenReturnsOnlyTheOneWord()
{
var stringToReturn = "word";
for (int i = 1; i < 100; i++)
{
stringToReturn += " word";
}
_fileRepository.ReadFile().Returns(stringToReturn);
var sut = new FileReaderService(_fileRepository);
var result = sut.Top50().ToList();
result.Should().Contain("word");
result.Count.Should().Be(1);
}
public void GivenAListOf50WordsWhenTop50ThenReturnsAllWords()
{
var stringToReturn = "1";
for (int i = 2; i <= 50; i++)
{
stringToReturn += $" {i}";
}
_fileRepository.ReadFile().Returns(stringToReturn);
var sut = new FileReaderService(_fileRepository);
var result = sut.Top50().ToList();
for (int i = 1; i <= 50; i++)
{
result.Should().Contain(i.ToString());
}
}