public async Task TestTimeZone()
{
Security security = await YahooQuotes.GetAsync("C") ?? throw new ArgumentException();
string exchangeTimezoneName = security.ExchangeTimezoneName !;
var tz = DateTimeZoneProviders.Tzdb.GetZoneOrNull(exchangeTimezoneName);
Assert.Equal(tz, security.ExchangeTimezone);
long?seconds = security.RegularMarketTimeSeconds;
var instant = Instant.FromUnixTimeSeconds(seconds.GetValueOrDefault());
var zdt = instant.InZone(tz !);
Assert.Equal(zdt, security.RegularMarketTime);
}
public async Task Run(int number, HistoryFlags flags, string baseCurrency)
{
List <Symbol> symbols = GetSymbols(number);
Console.WriteLine($"Loaded {symbols.Count} symbols.");
Console.WriteLine($"Retrieving values...");
Stopwatch watch = new();
watch.Start();
Dictionary <string, Security?> securities = await YahooQuotes.GetAsync(symbols.Select(x => x.Name), flags, baseCurrency);
watch.Stop();
int n = securities.Values.Select(x => x).NotNull().Count();
double s = watch.Elapsed.TotalSeconds;
double rate = n / s;
Logger.LogWarning($"Rate = {n}/{s} = {rate}Hz");
Analyze(securities);
}
/*
* [InlineData("C", "JPYCHF=X", 1)]
* [InlineData("CHF=X", "", 1)]
* [InlineData("CHF=X", "JPY=X", 0)]
* [InlineData("CHF=X", "CHF=X", 0)]
* [InlineData("USD=X", "USD=X", 2)]
* [InlineData("CHF=X", "X", 0)]
* [InlineData("CHF=X", "JPYCHF=X", 1)]
* [InlineData("JPYCHF=X", "", 0)]
* [InlineData("JPYCHF=X", "JPY=X", 1)]
* [InlineData("JPYCHF=X", "JPYCHF=X", 1)]
* [InlineData("JPYCHF=X", "X", 1)]
*/
public async Task Test01Arguments(string symbol, string baseSymbol, int error)
{
var task = MyYahooQuotes.GetAsync(symbol, HistoryFlags.PriceHistory, baseSymbol);
if (error == 0)
{
var result = await task;
Assert.True(result?.PriceHistoryBase.HasValue);
}
if (error == 1)
{
await Assert.ThrowsAsync <ArgumentException>(async() => await task);
}
if (error == 2)
{
var result = await task;
Assert.True(result?.PriceHistoryBase.HasError);
}
}
public async Task NullAndEmptySymbolTest()
{
#pragma warning disable CS8600 // Converting null literal or possible null value to non-nullable type.
#pragma warning disable CS8625 // Cannot convert null literal to non-nullable reference type.
_ = await Assert.ThrowsAsync <ArgumentNullException>(async() => await YahooQuotes.GetAsync((string)null));
_ = await Assert.ThrowsAsync <ArgumentException>(async() => await YahooQuotes.GetAsync(""));
_ = await YahooQuotes.GetAsync(Array.Empty <string>());
_ = await Assert.ThrowsAsync <ArgumentNullException>(async() => await YahooQuotes.GetAsync((string[])null));
_ = await Assert.ThrowsAsync <ArgumentNullException>(async() => await YahooQuotes.GetAsync(new string[] { null }));
_ = await Assert.ThrowsAsync <ArgumentException>(async() => await YahooQuotes.GetAsync(new string[] { "" }));
#pragma warning restore CS8625 // Cannot convert null literal to non-nullable reference type.
#pragma warning restore CS8600 // Converting null literal or possible null value to non-nullable type.
}
