const { test } = Deno;import { assertEquals } from "../testing/asserts.ts";import { LogRecord, Logger } from "./logger.ts";import { LogLevel } from "./levels.ts";import { BaseHandler } from "./handlers.ts";
class TestHandler extends BaseHandler { public messages: string[] = []; public records: LogRecord[] = [];
handle(record: LogRecord): void { this.records.push(record); super.handle(record); }
public log(str: string): void { this.messages.push(str); }}
test(function simpleLogger(): void { const handler = new TestHandler("DEBUG"); let logger = new Logger("DEBUG");
assertEquals(logger.level, LogLevel.DEBUG); assertEquals(logger.levelName, "DEBUG"); assertEquals(logger.handlers, []);
logger = new Logger("DEBUG", [handler]);
assertEquals(logger.handlers, [handler]);});
test(function customHandler(): void { const handler = new TestHandler("DEBUG"); const logger = new Logger("DEBUG", [handler]);
logger.debug("foo", 1, 2);
const record = handler.records[0]; assertEquals(record.msg, "foo"); assertEquals(record.args, [1, 2]); assertEquals(record.level, LogLevel.DEBUG); assertEquals(record.levelName, "DEBUG");
assertEquals(handler.messages, ["DEBUG foo"]);});
test(function logFunctions(): void { const doLog = (level: string): TestHandler => { const handler = new TestHandler(level); const logger = new Logger(level, [handler]); logger.debug("foo"); logger.info("bar"); logger.warning("baz"); logger.error("boo"); logger.critical("doo"); return handler; };
let handler: TestHandler; handler = doLog("DEBUG");
assertEquals(handler.messages, [ "DEBUG foo", "INFO bar", "WARNING baz", "ERROR boo", "CRITICAL doo", ]);
handler = doLog("INFO");
assertEquals(handler.messages, [ "INFO bar", "WARNING baz", "ERROR boo", "CRITICAL doo", ]);
handler = doLog("WARNING");
assertEquals(handler.messages, ["WARNING baz", "ERROR boo", "CRITICAL doo"]);
handler = doLog("ERROR");
assertEquals(handler.messages, ["ERROR boo", "CRITICAL doo"]);
handler = doLog("CRITICAL");
assertEquals(handler.messages, ["CRITICAL doo"]);});