opentelemetry-js/packages/sdk-metrics/test/state/MultiWritableMetricStorage....

85 lines
2.8 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 * as api from '@opentelemetry/api';
import { MetricAttributes } from '@opentelemetry/api';
import { hrTime } from '@opentelemetry/core';
import * as assert from 'assert';
import { MultiMetricStorage } from '../../src/state/MultiWritableMetricStorage';
import { WritableMetricStorage } from '../../src/state/WritableMetricStorage';
import {
assertMeasurementEqual,
commonAttributes,
commonValues,
Measurement,
} from '../util';
describe('MultiMetricStorage', () => {
describe('record', () => {
it('no exceptions on record', () => {
const metricStorage = new MultiMetricStorage([]);
for (const value of commonValues) {
for (const attribute of commonAttributes) {
metricStorage.record(value, attribute, api.context.active(), [0, 0]);
}
}
});
it('record with multiple backing storages', () => {
class TestWritableMetricStorage implements WritableMetricStorage {
records: Measurement[] = [];
record(
value: number,
attributes: MetricAttributes,
context: api.Context
): void {
this.records.push({ value, attributes, context });
}
}
const backingStorage1 = new TestWritableMetricStorage();
const backingStorage2 = new TestWritableMetricStorage();
const metricStorage = new MultiMetricStorage([
backingStorage1,
backingStorage2,
]);
const expectedMeasurements: Measurement[] = [];
for (const value of commonValues) {
for (const attributes of commonAttributes) {
const context = api.context.active();
expectedMeasurements.push({ value, attributes, context });
metricStorage.record(value, attributes, context, hrTime());
}
}
assert.strictEqual(
backingStorage1.records.length,
expectedMeasurements.length
);
assert.strictEqual(
backingStorage2.records.length,
expectedMeasurements.length
);
for (const [idx, expected] of expectedMeasurements.entries()) {
assertMeasurementEqual(backingStorage1.records[idx], expected);
assertMeasurementEqual(backingStorage2.records[idx], expected);
}
});
});
});