opentelemetry-js/packages/opentelemetry-tracing/test/export/InMemorySpanExporter.test.ts

98 lines
3.3 KiB
TypeScript

/*!
* Copyright 2019, 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 {
InMemorySpanExporter,
SimpleSpanProcessor,
BasicTracerRegistry,
} from '../../src';
import { ExportResult } from '@opentelemetry/base';
describe('InMemorySpanExporter', () => {
const memoryExporter = new InMemorySpanExporter();
const registry = new BasicTracerRegistry();
registry.addSpanProcessor(new SimpleSpanProcessor(memoryExporter));
afterEach(() => {
// reset spans in memory.
memoryExporter.reset();
});
it('should get finished spans', () => {
const root = registry.getTracer('default').startSpan('root');
const child = registry
.getTracer('default')
.startSpan('child', { parent: root });
const grandChild = registry
.getTracer('default')
.startSpan('grand-child', { parent: child });
assert.strictEqual(memoryExporter.getFinishedSpans().length, 0);
grandChild.end();
assert.strictEqual(memoryExporter.getFinishedSpans().length, 1);
child.end();
assert.strictEqual(memoryExporter.getFinishedSpans().length, 2);
root.end();
assert.strictEqual(memoryExporter.getFinishedSpans().length, 3);
const [span1, span2, span3] = memoryExporter.getFinishedSpans();
assert.strictEqual(span1.name, 'grand-child');
assert.strictEqual(span2.name, 'child');
assert.strictEqual(span3.name, 'root');
assert.strictEqual(span1.spanContext.traceId, span2.spanContext.traceId);
assert.strictEqual(span2.spanContext.traceId, span3.spanContext.traceId);
assert.strictEqual(span1.parentSpanId, span2.spanContext.spanId);
assert.strictEqual(span2.parentSpanId, span3.spanContext.spanId);
});
it('should shutdown the exorter', () => {
const root = registry.getTracer('default').startSpan('root');
registry
.getTracer('default')
.startSpan('child', { parent: root })
.end();
root.end();
assert.strictEqual(memoryExporter.getFinishedSpans().length, 2);
memoryExporter.shutdown();
assert.strictEqual(memoryExporter.getFinishedSpans().length, 0);
// after shutdown no new spans are accepted
registry
.getTracer('default')
.startSpan('child1', { parent: root })
.end();
assert.strictEqual(memoryExporter.getFinishedSpans().length, 0);
});
it('should return the success result', () => {
const exorter = new InMemorySpanExporter();
exorter.export([], (result: ExportResult) => {
assert.strictEqual(result, ExportResult.SUCCESS);
});
});
it('should return the FailedNotRetryable result after shutdown', () => {
const exorter = new InMemorySpanExporter();
exorter.shutdown();
// after shutdown export should fail
exorter.export([], (result: ExportResult) => {
assert.strictEqual(result, ExportResult.FAILED_NOT_RETRYABLE);
});
});
});