3b6b116b00
Cover Handler property accessors, format delegation, emit contract, and close lifecycle. Cover Logger level methods, isEnabledFor caching, manager property assignment, handler management, debug invocation, and makeRecord extra key collision. Cover Manager getLogger hierarchy setup, placeholder fixup, disable level, and loggerClass validation. Cover basicConfig option handling, force flag, mutual exclusion of stream/filename/handlers, and formatter assignment.
93 lines
3.1 KiB
TypeScript
93 lines
3.1 KiB
TypeScript
import {expect, jest, test} from '@jest/globals';
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import { basicConfig } from '../../src/config';
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import { MANAGER } from '../../src/manager';
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import { Handler } from '../../src/handler';
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import { LogRecord } from '../../src/log-record';
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import { Formatter } from '../../src/formatter';
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import { DEBUG, WARNING, ERROR } from '../../src/log-level';
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describe('basicConfig', () => {
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beforeEach(() => {
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MANAGER.root.handlers.splice(0, MANAGER.root.handlers.length);
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});
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test('adds a handler to the root logger', () => {
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basicConfig({});
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expect(MANAGER.root.handlers.length).toBeGreaterThan(0);
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});
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test('sets root logger level', () => {
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basicConfig({ level: DEBUG });
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expect(MANAGER.root.level).toBe(DEBUG);
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});
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test('does nothing when handlers already exist and force is false', () => {
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basicConfig({ level: DEBUG });
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const handlerCount = MANAGER.root.handlers.length;
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basicConfig({ level: ERROR });
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expect(MANAGER.root.handlers.length).toBe(handlerCount);
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expect(MANAGER.root.level).toBe(DEBUG);
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});
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test('replaces handlers when force is true', () => {
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basicConfig({ level: DEBUG });
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basicConfig({ level: ERROR, force: true });
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expect(MANAGER.root.level).toBe(ERROR);
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});
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test('throws on invalid style', () => {
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expect(() => {
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basicConfig({ style: 'X' });
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}).toThrow('style must be one of');
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});
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test('throws when stream and filename both specified', () => {
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expect(() => {
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basicConfig({
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stream: process.stderr,
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filename: 'test.log',
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});
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}).toThrow('should not be specified together');
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});
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test('throws when handlers and stream both specified', () => {
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class TestHandler extends Handler {
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emit(record: LogRecord) {}
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}
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expect(() => {
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basicConfig({
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handlers: [new TestHandler()],
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stream: process.stderr,
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});
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}).toThrow('should not be specified together');
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});
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test('uses provided handlers', () => {
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class TestHandler extends Handler {
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emit(record: LogRecord) {}
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}
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const handler = new TestHandler();
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basicConfig({ handlers: [handler] });
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expect(MANAGER.root.handlers).toContain(handler);
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});
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test('assigns formatter to handlers without one', () => {
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class TestHandler extends Handler {
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emit(record: LogRecord) {}
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}
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const handler = new TestHandler();
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expect(handler.formatter).toBeNull();
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basicConfig({ handlers: [handler] });
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expect(handler.formatter).not.toBeNull();
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});
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test('preserves existing formatter on handlers', () => {
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class TestHandler extends Handler {
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emit(record: LogRecord) {}
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}
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const handler = new TestHandler();
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const fmt = new Formatter({ fmt: '%(message)s' });
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handler.formatter = fmt;
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basicConfig({ handlers: [handler] });
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expect(handler.formatter).toBe(fmt);
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});
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});
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