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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import { assertEquals } from "../assert/assert_equals.ts";import * as log from "./mod.ts";import { TestHandler } from "./_test_handler.ts";
Deno.test("BaseHandler handles default setup", function () {  const cases = new Map<log.LogLevel, string[]>([    [      log.LogLevels.DEBUG,      [        "DEBUG debug-test",        "INFO info-test",        "WARN warn-test",        "ERROR error-test",        "CRITICAL critical-test",      ],    ],    [      log.LogLevels.INFO,      [        "INFO info-test",        "WARN warn-test",        "ERROR error-test",        "CRITICAL critical-test",      ],    ],    [      log.LogLevels.WARN,      ["WARN warn-test", "ERROR error-test", "CRITICAL critical-test"],    ],    [log.LogLevels.ERROR, ["ERROR error-test", "CRITICAL critical-test"]],    [log.LogLevels.CRITICAL, ["CRITICAL critical-test"]],  ]);
  for (const [testCase, messages] of cases.entries()) {    const testLevel = log.getLevelName(testCase);    const handler = new TestHandler(testLevel);
    for (const levelName of log.LogLevelNames) {      const level = log.getLevelByName(levelName);      handler.handle(        new log.LogRecord({          msg: `${levelName.toLowerCase()}-test`,          args: [],          level: level,          loggerName: "default",        }),      );    }
    assertEquals(handler.level, testCase);    assertEquals(handler.levelName, testLevel);    assertEquals(handler.messages, messages);  }});
Deno.test("BaseHandler handles formatter with empty msg", function () {  const handler = new TestHandler("DEBUG", {    formatter: ({ levelName, msg }) => `test ${levelName} ${msg}`,  });
  handler.handle(    new log.LogRecord({      msg: "",      args: [],      level: log.LogLevels.DEBUG,      loggerName: "default",    }),  );
  assertEquals(handler.messages, ["test DEBUG "]);});
Deno.test("BaseHandler handles formatter", function () {  const handler = new TestHandler("DEBUG", {    formatter: (logRecord): string =>      `fn formatter ${logRecord.levelName} ${logRecord.msg}`,  });
  handler.handle(    new log.LogRecord({      msg: "Hello, world!",      args: [],      level: log.LogLevels.ERROR,      loggerName: "default",    }),  );
  assertEquals(handler.messages, ["fn formatter ERROR Hello, world!"]);});