public void Parses_file_lines(int datasetId, int expectedCount)
{
var parser = new BookCsvParser();
var books = parser.Parse($"Books/TestData/books-small{datasetId}.csv");
Assert.NotNull(books);
Assert.Equal(expectedCount, books.Count());
var firstBook = books.First();
BookCsvParser.ParsedBook expectedFirstBook =
datasetId == 1 ?
new BookCsvParser.ParsedBook()
{
Id = 1, Title = "The Hunger Games", Authors = "Suzanne Collins", Isbn13 = "9780439023480"
} :
new BookCsvParser.ParsedBook()
{
Id = 110, Title = "A Clash of Kings", Authors = "George R.R. Martin", Isbn13 = "9780553381700"
}
;
Assert.Equal(expectedFirstBook.Id, firstBook.Id);
Assert.Equal(expectedFirstBook.Title, firstBook.Title);
Assert.Equal(expectedFirstBook.Authors, firstBook.Authors);
Assert.Equal(expectedFirstBook.Isbn13, firstBook.Isbn13);
}
public void Parse_nonexistent_file_is_error()
{
var parser = new BookCsvParser();
Assert.Throws <FileNotFoundException>(() => parser.Parse("no_file.csv"));
}
public void Empty_file_is_error()
{
var parser = new BookCsvParser();
Assert.Throws <Exception>(() => parser.Parse("Books/TestData/empty_file.csv"));
}
public void Parse_empty_path_is_error()
{
var parser = new BookCsvParser();
Assert.Throws <ArgumentException>(() => parser.Parse(""));
}