72 lines
2.3 KiB
TypeScript
72 lines
2.3 KiB
TypeScript
/*
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* Copyright The 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 { Logger, ProxyLoggerProvider, logs } from '../../src';
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import { NoopLogger } from '../../src/NoopLogger';
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import { NoopLoggerProvider } from '../../src/NoopLoggerProvider';
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describe('API', () => {
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const dummyLogger = new NoopLogger();
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it('should expose a logger provider via getLoggerProvider', () => {
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assert.ok(logs.getLoggerProvider() instanceof ProxyLoggerProvider);
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assert.ok(
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(logs.getLoggerProvider() as ProxyLoggerProvider).getDelegate() instanceof
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NoopLoggerProvider
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);
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});
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describe('GlobalLoggerProvider', () => {
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beforeEach(() => {
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logs.disable();
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});
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it('should use the global logger provider', () => {
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logs.setGlobalLoggerProvider(new TestLoggerProvider());
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const logger = logs.getLoggerProvider().getLogger('name');
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assert.deepStrictEqual(logger, dummyLogger);
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});
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it('should not allow overriding global provider if already set', () => {
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const provider1 = new TestLoggerProvider();
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const provider2 = new TestLoggerProvider();
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logs.setGlobalLoggerProvider(provider1);
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assert.equal(logs.getLoggerProvider(), provider1);
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logs.setGlobalLoggerProvider(provider2);
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assert.equal(logs.getLoggerProvider(), provider1);
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});
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});
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describe('getLogger', () => {
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beforeEach(() => {
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logs.disable();
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});
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it('should return a logger instance from global provider', () => {
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logs.setGlobalLoggerProvider(new TestLoggerProvider());
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const logger = logs.getLogger('myLogger');
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assert.deepStrictEqual(logger, dummyLogger);
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});
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});
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class TestLoggerProvider extends NoopLoggerProvider {
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override getLogger(): Logger {
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return dummyLogger;
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}
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}
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});
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