opentelemetry-auto-instrume.../plugins/node/opentelemetry-instrumentation-http/test/utils/TestMetricReader.ts

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/*
* 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 { MetricReader, PushMetricExporter } from '@opentelemetry/sdk-metrics';
export class TestMetricReader extends MetricReader {
constructor(private _exporter: PushMetricExporter) {
super({
aggregationTemporalitySelector:
_exporter.selectAggregationTemporality?.bind(_exporter),
});
}
protected onForceFlush(): Promise<void> {
return Promise.resolve(undefined);
}
protected onShutdown(): Promise<void> {
return Promise.resolve(undefined);
}
public async collectAndExport(): Promise<void> {
const result = await this.collect();
await new Promise<void>((resolve, reject) => {
this._exporter.export(result.resourceMetrics, result => {
if (result.error != null) {
reject(result.error);
} else {
resolve();
}
});
});
}
}