/
autoLoader.test.ts
92 lines (83 loc) · 3.03 KB
/
autoLoader.test.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 { Tracer, TracerProvider } from '@opentelemetry/api';
import { NOOP_METER_PROVIDER } from '@opentelemetry/api-metrics';
import * as assert from 'assert';
import * as sinon from 'sinon';
import { InstrumentationBase, registerInstrumentations } from '../../src';
class DummyTracerProvider implements TracerProvider {
getTracer(name: string, version?: string): Tracer {
throw new Error('not implemented');
}
}
class FooInstrumentation extends InstrumentationBase {
init() {
return [];
}
override enable() {}
override disable() {}
}
describe('autoLoader', () => {
let unload: Function | undefined;
afterEach(() => {
sinon.restore();
if (typeof unload === 'function') {
unload();
unload = undefined;
}
});
describe('registerInstrumentations', () => {
describe('InstrumentationBase', () => {
let instrumentation: InstrumentationBase;
let enableSpy: sinon.SinonSpy;
let setTracerProviderSpy: sinon.SinonSpy;
let setsetMeterProvider: sinon.SinonSpy;
const tracerProvider = new DummyTracerProvider();
const meterProvider = NOOP_METER_PROVIDER;
beforeEach(() => {
instrumentation = new FooInstrumentation('foo', '1', {});
enableSpy = sinon.spy(instrumentation, 'enable');
setTracerProviderSpy = sinon.stub(instrumentation, 'setTracerProvider');
setsetMeterProvider = sinon.stub(instrumentation, 'setMeterProvider');
unload = registerInstrumentations({
instrumentations: [instrumentation],
tracerProvider,
meterProvider,
});
});
afterEach(() => {
Object.keys(require.cache).forEach(key => delete require.cache[key]);
if (typeof unload === 'function') {
unload();
unload = undefined;
}
});
it('should enable instrumentation', () => {
assert.strictEqual(enableSpy.callCount, 1);
});
it('should set TracerProvider', () => {
assert.strictEqual(setTracerProviderSpy.callCount, 1);
assert.ok(setTracerProviderSpy.lastCall.args[0] === tracerProvider);
assert.strictEqual(setTracerProviderSpy.lastCall.args.length, 1);
});
it('should set MeterProvider', () => {
assert.strictEqual(setsetMeterProvider.callCount, 1);
assert.ok(setsetMeterProvider.lastCall.args[0] === meterProvider);
assert.strictEqual(setsetMeterProvider.lastCall.args.length, 1);
});
});
});
});