public async void Retention_policy_is_used_to_select_retention_policy()
{
const string expectedRetentionPolicy = "expectedRetentionPolicy";
var options = new InfluxDbObserverOptions("databaseName")
{
RetentionPolicySelector = (metric, database) => expectedRetentionPolicy,
};
var observer = new InfluxDbObserver(new MetricMonitorRegistryPoller(DefaultMonitorRegistry.Instance), influxDbClient,
options);
await observer.Update(new[] { new Metric("name", DateTimeOffset.UtcNow, new List <Tag>(), new[] { new Measurement <int>("value", 0) }) });
await influxDbClient.DidNotReceive().WriteAsync("autogen", Arg.Any <string>(), Arg.Any <IEnumerable <Point> >());
await influxDbClient.Received(1).WriteAsync(expectedRetentionPolicy, Arg.Any <string>(),
Arg.Is <IEnumerable <Point> >(x => x.All(y => y.Measurement == "name")));
}
public async void Database_selector_is_used_to_select_database()
{
const string expectedDatabase = "expectedDatabase";
const string incorrectDatabase = "databaseName";
var options = new InfluxDbObserverOptions(incorrectDatabase)
{
DatabaseSelector = _ => expectedDatabase
};
var observer = new InfluxDbObserver(new MetricMonitorRegistryPoller(DefaultMonitorRegistry.Instance), influxDbClient,
options);
await observer.Update(new[] { new Metric("name", DateTimeOffset.UtcNow, new List <Tag>(), new[] { new Measurement <int>("value", 0) }) });
await influxDbClient.DidNotReceive().WriteAsync(Arg.Any <string>(), incorrectDatabase, Arg.Any <IEnumerable <Point> >());
await influxDbClient.Received(1).WriteAsync(Arg.Any <string>(), expectedDatabase, Arg.Is <IEnumerable <Point> >(x => x.All(y => y.Measurement == "name")));
}
public async void Fields_converted_to_double_are_handled_as_float()
{
const float expectedValue = 1.0f;
var options = new InfluxDbObserverOptions("databaseName")
{
ConvertFieldType = x => Convert.ToDouble(x)
};
var observer = new InfluxDbObserver(new MetricMonitorRegistryPoller(DefaultMonitorRegistry.Instance), influxDbClient,
options);
await observer.Update(new[] { new Metric("name", DateTimeOffset.UtcNow, new List <Tag>(), new[] { new Measurement <float>("value", expectedValue) }) });
await influxDbClient.Received(1)
.WriteAsync(Arg.Any <string>(), Arg.Any <string>(),
Arg.Is <IEnumerable <Point> >(points => points.All(
point => point.Fields.Any(field => field.Key == "value" && (float)field.Value == expectedValue))));
}
public void Submetrics_are_converted_to_fields_with_the_name_of_the_statistic()
{
var observer = new InfluxDbObserver(new MetricMonitorRegistryPoller(DefaultMonitorRegistry.Instance), influxDbClient,
new InfluxDbObserverOptions("database"));
var submetrics = new[]
{
new Metric("name", DateTimeOffset.Now, new[] { new Tag("statistic", "max") }, 200, new Metric[0])
};
observer.Update(new[]
{ new Metric("name", DateTimeOffset.UtcNow, Enumerable.Empty <Tag>().ToArray(), 100, submetrics) });
influxDbClient.Received(1)
.WriteAsync(Arg.Any <string>(), Arg.Any <string>(),
Arg.Is <IEnumerable <Point> >(points => points.Count() == 1 &&
points.Any(p => p.Fields.Any(f => f.Key == "max" && (int)f.Value == 200) &&
p.Fields.Any(f => f.Key == "value" && (int)f.Value == 100))));
}
public void Tags_can_be_converted_to_string()
{
const string tagName = "tag";
const string tagValue = "a random string";
var options = new InfluxDbObserverOptions("databaseName")
{
TagToFieldSelector = tag => tag.Key == tagName,
};
var observer = new InfluxDbObserver(new MetricMonitorRegistryPoller(DefaultMonitorRegistry.Instance), influxDbClient,
options);
observer.Update(new[] { new Metric("name", DateTimeOffset.UtcNow, new[] { new Tag(tagName, tagValue), }, 0, new Metric[0]) });
influxDbClient.Received(1)
.WriteAsync(Arg.Any <string>(), Arg.Any <string>(),
Arg.Is <IEnumerable <Point> >(points => points.All(
point => point.Fields.Any(field => field.Key == tagName && (string)field.Value == tagValue))));
}
public void Tags_can_be_ignored_as_defined_by_options()
{
const string tagName = "tag";
var options = new InfluxDbObserverOptions("databaseName")
{
TagsToIgnore = new List <string> {
tagName
}
};
var observer = new InfluxDbObserver(new MetricMonitorRegistryPoller(DefaultMonitorRegistry.Instance), influxDbClient,
options);
observer.Update(new[] { new Metric("name", DateTimeOffset.UtcNow, new[] { new Tag(tagName, "100"), }, 0, new Metric[0]) });
influxDbClient.Received(1)
.WriteAsync(Arg.Any <string>(), Arg.Any <string>(),
Arg.Is <IEnumerable <Point> >(points => points.All(point => point.Tags.All(tag => tag.Key != tagName))));
}
public async void Tags_can_be_converted_to_boolean()
{
const string tagName = "tag";
const string tagValue = "true";
var options = new InfluxDbObserverOptions("databaseName")
{
TagToFieldSelector = tag => tag.Key == tagName,
};
var observer = new InfluxDbObserver(new MetricMonitorRegistryPoller(DefaultMonitorRegistry.Instance), influxDbClient,
options);
await observer.Update(new[] { new Metric("name", DateTimeOffset.UtcNow, new List <Tag> {
new Tag(tagName, tagValue),
}, new[] { new Measurement <int>("value", 0) }) });
await influxDbClient.Received(1)
.WriteAsync(Arg.Any <string>(), Arg.Any <string>(),
Arg.Is <IEnumerable <Point> >(points => points.All(
point => point.Fields.Any(field => field.Key == tagName && (bool)field.Value == Convert.ToBoolean(tagValue)))));
}