public string[] ToString(Quote quote)
{
quote.ThrowIfNull("quote");
var data = new string[]
{
quote.DateTime.ToString("s", CultureInfo.InvariantCulture),
quote.Ticker,
quote.ValueExact.ToString("F2", CultureInfo.InvariantCulture),
};
return data;
}
public void ToString_ValidParams_Success()
{
// Arrange
var quote = new Quote
{
DateTime = new DateTime(2015, 8, 26, 13, 4, 32),
Ticker = "ABCD",
ValueExact = (decimal)228.34
};
var expectedLine = new[] { "2015-08-26T13:04:32", "ABCD", "228.34" };
var parser = new QuoteFormatter();
// Act
var actualLine = parser.ToString(quote);
// Assert
Assert.AreEqual(expectedLine, actualLine);
}
public void FromString_ValidParams_Success()
{
// Arrange
var line = new[] { "2015-08-26T13:04:32", "ABCD", "228.34" };
var expectedQuote = new Quote
{
DateTime = new DateTime(2015, 8, 26, 13, 4, 32),
Ticker = "ABCD",
ValueExact = (decimal)228.34
};
var parser = new QuoteFormatter();
// Act
var quote = parser.FromString(line, 1);
// Assert
Assert.IsTrue(quote.Equals(expectedQuote));
}
public Quote FromString(string[] values, uint lineNumber)
{
values.ThrowIfNull("values");
const int EXPECTED_FIELD_NUMBER = 3;
const int INDEX_DATETIME = 0;
const int INDEX_TICKER = 1;
const int INDEX_VALUE = 2;
if (values.Count() != EXPECTED_FIELD_NUMBER)
{
var str = string.Join(", ", values);
throw new WrongFieldsNumberException(lineNumber, EXPECTED_FIELD_NUMBER, (uint) values.Count(), str);
}
var quote = new Quote();
try
{
quote.DateTime = DateTime.ParseExact(values[INDEX_DATETIME].Trim(), "s", CultureInfo.InvariantCulture);
}
catch (Exception ex)
{
throw new QuoteParsingException(typeof(DateTime), values[INDEX_DATETIME], ex);
}
quote.Ticker = values[INDEX_TICKER];
try
{
quote.ValueExact = decimal.Parse(values[INDEX_VALUE], CultureInfo.InvariantCulture);
}
catch (Exception ex)
{
throw new QuoteParsingException(typeof(double), values[INDEX_VALUE], ex);
}
return quote;
}