const { test } = Deno;import { assertEquals } from "../testing/asserts.ts";import * as log from "./mod.ts";import { LogLevel } from "./levels.ts";
class TestHandler extends log.handlers.BaseHandler { public messages: string[] = [];
log(msg: string): void { this.messages.push(msg); }}
test(async function defaultHandlers(): Promise<void> { const loggers: { [key: string]: (msg: string, ...args: unknown[]) => void; } = { DEBUG: log.debug, INFO: log.info, WARNING: log.warning, ERROR: log.error, CRITICAL: log.critical, };
for (const levelName in LogLevel) { if (levelName === "NOTSET") { continue; }
const logger = loggers[levelName]; const handler = new TestHandler(levelName);
await log.setup({ handlers: { default: handler, }, loggers: { default: { level: levelName, handlers: ["default"], }, }, });
logger("foo"); logger("bar", 1, 2);
assertEquals(handler.messages, [`${levelName} foo`, `${levelName} bar`]); }});
test(async function getLogger(): Promise<void> { const handler = new TestHandler("DEBUG");
await log.setup({ handlers: { default: handler, }, loggers: { default: { level: "DEBUG", handlers: ["default"], }, }, });
const logger = log.getLogger();
assertEquals(logger.levelName, "DEBUG"); assertEquals(logger.handlers, [handler]);});
test(async function getLoggerWithName(): Promise<void> { const fooHandler = new TestHandler("DEBUG");
await log.setup({ handlers: { foo: fooHandler, }, loggers: { bar: { level: "INFO", handlers: ["foo"], }, }, });
const logger = log.getLogger("bar");
assertEquals(logger.levelName, "INFO"); assertEquals(logger.handlers, [fooHandler]);});
test(async function getLoggerUnknown(): Promise<void> { await log.setup({ handlers: {}, loggers: {}, });
const logger = log.getLogger("nonexistent");
assertEquals(logger.levelName, "NOTSET"); assertEquals(logger.handlers, []);});