84 lines
2.3 KiB
TypeScript
84 lines
2.3 KiB
TypeScript
/**
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* Copyright 2019, OpenTelemetry Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import * as assert from 'assert';
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import * as types from '@opentelemetry/types';
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import {
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getTracer,
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initGlobalTracer,
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} from '../../src/trace/globaltracer-utils';
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import { NoopTracer, NoopSpan } from '../../src';
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import { TraceOptions } from '@opentelemetry/types';
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describe('globaltracer-utils', () => {
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const functions = [
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'getCurrentSpan',
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'startSpan',
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'withSpan',
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'recordSpanData',
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'getBinaryFormat',
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'getHttpTextFormat',
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];
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it('should expose a tracer via getTracer', () => {
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const tracer = getTracer();
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assert.ok(tracer);
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assert.strictEqual(typeof tracer, 'object');
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});
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describe('GlobalTracer', () => {
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const spanContext = {
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traceId: 'd4cda95b652f4a1592b449d5929fda1b',
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spanId: '6e0c63257de34c92',
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traceOptions: TraceOptions.UNSAMPLED,
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};
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const dummySpan = new NoopSpan(spanContext);
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afterEach(() => {
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initGlobalTracer(new NoopTracer());
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});
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it('should not crash', () => {
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functions.forEach(fn => {
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const tracer = getTracer();
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try {
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((tracer as unknown) as { [fn: string]: Function })[fn](); // Try to run the function
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assert.ok(true, fn);
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} catch (err) {
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if (err.message !== 'Method not implemented.') {
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assert.ok(true, fn);
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}
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}
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});
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});
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it('should use the global tracer', () => {
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const tracer = initGlobalTracer(new TestTracer());
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const span = tracer.startSpan('test');
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assert.deepStrictEqual(span, dummySpan);
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});
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class TestTracer extends NoopTracer {
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startSpan(
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name: string,
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options?: types.SpanOptions | undefined
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): types.Span {
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return dummySpan;
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}
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}
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});
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});
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