public async Task FindEntryNuGetV2MultiThreadWithDelays()
{
int taskCount = 100;
Random random = new Random();
EdmMetadataCache.Clear();
var tasks = new List <Task>();
metadataCalls = 0;
for (var i = 0; i < taskCount; i++)
{
if (random.NextDouble() < 0.25)
{
await Task.Delay(random.Next(1, 250));
}
tasks.Add(FindEntryNuGetV2());
}
await Task.WhenAll(tasks);
Assert.Equal(1, metadataCalls);
}
public async Task FindEntryNuGetV2MultiThread()
{
EdmMetadataCache.Clear();
var tasks = new List <Task>();
metadataCalls = 0;
for (var i = 0; i < 10; i++)
{
tasks.Add(FindEntryNuGetV2());
}
await Task.WhenAll(tasks);
Assert.Equal(1, metadataCalls);
}
public async Task MetadataErrorIsNotCached()
{
var baseUri = new Uri("ftp://localhost/");
var settings = new ODataClientSettings {
BaseUri = baseUri
};
var client = new ODataClient(settings);
try
{
await client.GetMetadataAsync();
}
catch (ArgumentException)
{
//only HTTP and HTTPS supported
}
catch (AggregateException ex)
{
ex = ex.Flatten();
if (ex.InnerExceptions.Count != 1)
{
throw;
}
var arg = ex.InnerException as ArgumentException;
if (arg == null)
{
throw;
}
//only HTTP and HTTPS supported
}
var wasCached = true;
var cached = EdmMetadataCache.GetOrAdd("ftp://localhost/", x =>
{
wasCached = false;
return(null);
});
Assert.False(wasCached);
Assert.Null(cached);
}
public async Task MetadataIsCached()
{
var settings = new ODataClientSettings {
BaseUri = _serviceUri
};
var client = new ODataClient(settings);
await client.GetMetadataAsync();
EdmMetadataCache.GetOrAdd(_serviceUri.ToString(), x => throw new Exception("metadata was not cached."));
settings.BeforeRequest = x => throw new Exception("metadata cache was not used.");
await client.GetMetadataAsync();
settings = new ODataClientSettings {
BaseUri = _serviceUri, BeforeRequest = x => throw new Exception("not reusing settings will defeat metadata cache.")
};
client = new ODataClient(settings);
await client.GetMetadataAsync();
}
/// <summary>
/// Clears service metadata cache.
/// </summary>
public static void ClearMetadataCache()
{
EdmMetadataCache.Clear();
}
