public async STT.Task DbUsage_CachedVsForced()
{
await Test(async() =>
{
var logger = new TestDbUsageLogger();
// get initial
var handler = new DatabaseUsageHandler(logger);
var usage1 = await handler.GetDatabaseUsageAsync(false, CancellationToken.None);
// wait a bit and get cached
await STT.Task.Delay(100);
handler = new DatabaseUsageHandler(logger);
var usage2 = await handler.GetDatabaseUsageAsync(false, CancellationToken.None);
// wait a bit and get fresh data
await STT.Task.Delay(100);
handler = new DatabaseUsageHandler(logger);
var usage3 = await handler.GetDatabaseUsageAsync(true, CancellationToken.None);
// wait a bit and get cached again
await STT.Task.Delay(100);
handler = new DatabaseUsageHandler(logger);
var usage4 = await handler.GetDatabaseUsageAsync(false, CancellationToken.None);
Assert.AreEqual(usage1.Executed, usage2.Executed);
Assert.IsTrue(usage2.Executed < usage3.Executed);
Assert.AreEqual(usage3.Executed, usage4.Executed);
}).ConfigureAwait(false);
}
public async STT.Task DbUsage_Logger_CreatingCache()
{
await Test(builder =>
{
builder.EnableNodeObservers(typeof(DatabaseUsageCacheTestNodeObserver));
}, async() =>
{
var logger = new TestDbUsageLogger();
DatabaseUsageCacheTestNodeObserver.CreatingCrashEnabledOnce = true;
var handler = new DatabaseUsageHandler(logger);
var _ = await handler.GetDatabaseUsageAsync(false, CancellationToken.None);
Assert.AreEqual(logger.LastLevel, LogLevel.Warning);
Assert.IsNotNull(logger.LastMessage);
Assert.IsTrue(logger.LastMessage.Contains("An error occurred during saving DatabaseUsage.cache"));
}).ConfigureAwait(false);
}