public static HealthCheckBuilder AddCheck(this HealthCheckBuilder builder, string name,
Func <CancellationToken, IHealthCheckResult> check, TimeSpan cacheDuration)
{
Guard.ArgumentNotNull(nameof(builder), builder);
return(builder.AddCheck(name, HealthCheck.FromCheck(check), cacheDuration));
}
// Lambda versions of AddCheck for Func/Func<Task>/Func<ValueTask>
public static HealthCheckBuilder AddCheck(this HealthCheckBuilder builder, string name,
Func <IHealthCheckResult> check)
{
Guard.ArgumentNotNull(nameof(builder), builder);
return(builder.AddCheck(name, HealthCheck.FromCheck(check), builder.DefaultCacheDuration));
}
public async void CheckDoesNotThrow_ReturnsCheckResult()
{
var checkResult = HealthCheckResult.Healthy("Healthy Check");
var cachedCheck = new TestableCachedHealthCheck(check: HealthCheck.FromCheck(() => checkResult));
var result = await cachedCheck.RunAsync(_serviceProvider);
Assert.Same(checkResult, result);
}
public async void CancellationRequested_ReturnsUnhealthyCheck()
{
var checkResult = HealthCheckResult.Healthy("Happy check");
var cachedCheck = new TestableCachedHealthCheck(check: HealthCheck.FromCheck(token => { token.ThrowIfCancellationRequested(); return(checkResult); }));
var cts = new CancellationTokenSource();
cts.Cancel();
var result = await cachedCheck.RunAsync(_serviceProvider, cts.Token);
Assert.Equal(CheckStatus.Unhealthy, result.CheckStatus);
Assert.Equal("The health check operation timed out", result.Description);
Assert.Empty(result.Data);
}
