opentelemetry-js/packages/sdk-metrics/test/view/AttributesProcessor.test.ts

59 lines
1.8 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 assert from 'assert';
import { context } from '@opentelemetry/api';
import { NoopAttributesProcessor } from '../../src/view/AttributesProcessor';
import { FilteringAttributesProcessor } from '../../src/view/AttributesProcessor';
describe('NoopAttributesProcessor', () => {
const processor = new NoopAttributesProcessor();
it('should return identical attributes on process', () => {
assert.deepStrictEqual(
processor.process({ foo: 'bar' }, context.active()),
{
foo: 'bar',
}
);
});
});
describe('FilteringAttributesProcessor', () => {
it('should not add keys when attributes do not exist', () => {
const processor = new FilteringAttributesProcessor(['foo', 'bar']);
assert.deepStrictEqual(processor.process({}, context.active()), {});
});
it('should only keep allowed attributes', () => {
const processor = new FilteringAttributesProcessor(['foo', 'bar']);
assert.deepStrictEqual(
processor.process(
{
foo: 'fooValue',
bar: 'barValue',
baz: 'bazValue',
},
context.active()
),
{
foo: 'fooValue',
bar: 'barValue',
}
);
});
});