opentelemetry-js/packages/sdk-metrics/test/export/TestMetricReader.ts

46 lines
1.4 KiB
TypeScript

/*
* Copyright The OpenTelemetry Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { AggregationTemporality, MetricReader } from '../../src';
import { MetricCollector } from '../../src/state/MetricCollector';
import { MetricReaderOptions } from '../../src/export/MetricReader';
/**
* A test metric reader that implements no-op onForceFlush() and onShutdown() handlers.
*/
export class TestMetricReader extends MetricReader {
protected onForceFlush(): Promise<void> {
return Promise.resolve(undefined);
}
protected onShutdown(): Promise<void> {
return Promise.resolve(undefined);
}
getMetricCollector(): MetricCollector {
return this['_sdkMetricProducer'] as MetricCollector;
}
}
export class TestDeltaMetricReader extends TestMetricReader {
constructor(options: MetricReaderOptions = {}) {
super({
...options,
aggregationTemporalitySelector: () => AggregationTemporality.DELTA,
});
}
}