const { test } = Deno;import { assertEquals } from "../testing/asserts.ts";import { LogLevel, getLevelName, getLevelByName } from "./levels.ts";import { BaseHandler } from "./handlers.ts";
class TestHandler extends BaseHandler { public messages: string[] = [];
public log(str: string): void { this.messages.push(str); }}
test(function simpleHandler(): void { const cases = new Map<number, string[]>([ [ LogLevel.DEBUG, [ "DEBUG debug-test", "INFO info-test", "WARNING warning-test", "ERROR error-test", "CRITICAL critical-test" ] ], [ LogLevel.INFO, [ "INFO info-test", "WARNING warning-test", "ERROR error-test", "CRITICAL critical-test" ] ], [ LogLevel.WARNING, ["WARNING warning-test", "ERROR error-test", "CRITICAL critical-test"] ], [LogLevel.ERROR, ["ERROR error-test", "CRITICAL critical-test"]], [LogLevel.CRITICAL, ["CRITICAL critical-test"]] ]);
for (const [testCase, messages] of cases.entries()) { const testLevel = getLevelName(testCase); const handler = new TestHandler(testLevel);
for (const levelName in LogLevel) { const level = getLevelByName(levelName); handler.handle({ msg: `${levelName.toLowerCase()}-test`, args: [], datetime: new Date(), level: level, levelName: levelName }); }
assertEquals(handler.level, testCase); assertEquals(handler.levelName, testLevel); assertEquals(handler.messages, messages); }});
test(function testFormatterAsString(): void { const handler = new TestHandler("DEBUG", { formatter: "test {levelName} {msg}" });
handler.handle({ msg: "Hello, world!", args: [], datetime: new Date(), level: LogLevel.DEBUG, levelName: "DEBUG" });
assertEquals(handler.messages, ["test DEBUG Hello, world!"]);});
test(function testFormatterAsFunction(): void { const handler = new TestHandler("DEBUG", { formatter: (logRecord): string => `fn formmatter ${logRecord.levelName} ${logRecord.msg}` });
handler.handle({ msg: "Hello, world!", args: [], datetime: new Date(), level: LogLevel.ERROR, levelName: "ERROR" });
assertEquals(handler.messages, ["fn formmatter ERROR Hello, world!"]);});