public void ParseCsv_ShouldThrowException_WhenEmptyResponseStream()
{
var csvData = string.Empty;
var stream = new MemoryStream(Encoding.UTF8.GetBytes(csvData));
var reader = new StreamReader(stream);
var parser = new SingleQuoteParser();
Assert.Throws <ArgumentException>(() => parser.ParseCsv(-1, reader));
}
public void ParseCsv_ShouldThrowException_WhenNoValuesLineInResponseStream()
{
var csvData = "symbol,open,high,low,price,volume,latestDay,previousClose,change,changePercent";
var stream = new MemoryStream(Encoding.UTF8.GetBytes(csvData));
var reader = new StreamReader(stream);
var parser = new SingleQuoteParser();
Assert.Throws <ArgumentException>(() => parser.ParseCsv(-1, reader));
}
public void ParseCsv_ShouldThrowException_WhenResponseStreamMissingOneDataColumn(string columnName)
{
var csvData = "symbol,open,high,low,price,volume,latestDay,previousClose,change,changePercent" + "\n" +
"MSFT,134.8800,139.1000,136.2800,137.8600,21877723,2019-08-30,138.1200,-0.2600,-0.1882%";
csvData = csvData.Replace(columnName, string.Empty);
var stream = new MemoryStream(Encoding.UTF8.GetBytes(csvData));
var reader = new StreamReader(stream);
var parser = new SingleQuoteParser();
Assert.Throws <KeyNotFoundException>(() => parser.ParseCsv(-1, reader));
}
public void ParseCsv_ShouldReturnStockSingleQuoteData_WhenValidCsvData()
{
var csvData = "symbol,open,high,low,price,volume,latestDay,previousClose,change,changePercent" + "\n" +
"MSFT,134.8800,139.1000,136.2800,137.8600,21877723,2019-08-30,138.1200,-0.2600,-0.1882%";
var stream = new MemoryStream(Encoding.UTF8.GetBytes(csvData));
var reader = new StreamReader(stream);
var parser = new SingleQuoteParser();
var singleQuoteData = parser.ParseCsv(-1, reader);
Assert.Equal("MSFT", singleQuoteData.Ticker);
Assert.Equal(134.8800m, singleQuoteData.Open);
Assert.Equal(139.1000m, singleQuoteData.High);
Assert.Equal(136.2800m, singleQuoteData.Low);
Assert.Equal(137.8600m, singleQuoteData.Price);
Assert.Equal(21877723, singleQuoteData.Volume);
Assert.Equal(DateTime.Parse("2019-08-30"), singleQuoteData.LastTradingDay);
Assert.Equal(138.1200m, singleQuoteData.PreviousClose);
Assert.Equal(-0.2600m, singleQuoteData.Change);
Assert.Equal(-0.1882m, singleQuoteData.ChangePercent);
}
