tutanota/test/tests/api/common/utils/LoggerTest.ts

import o from "ospec"
import {LOG_SIZE, Logger} from "../../../../../src/api/common/Logger.js"
import {lastThrow} from "@tutao/tutanota-utils"
o.spec("Loger test", function () {
    let dateProvider
    let log
    o.beforeEach(function () {
        let dateCounter = 0

        dateProvider = () => new Date(dateCounter++)

        log = new Logger(dateProvider)
    })
    o("log warn info error", function () {
        o(log.getEntries()).deepEquals([])
        log.logInfo("info")
        log.logWarn("warn")
        log.logError("error")
        o(log.getEntries()).deepEquals([
            log.formatLogEntry(new Date(0), "I", "info"),
            log.formatLogEntry(new Date(1), "W", "warn"),
            log.formatLogEntry(new Date(2), "E", "error"),
        ])
    })
    o("log lots of entries", function () {
        for (let i = 0; i < LOG_SIZE + 2; i++) {
            log.logInfo("info " + i)
        }

        o(log.getEntries().length).equals(LOG_SIZE)
        o(log.getEntries()[0]).equals(log.formatLogEntry(new Date(2), "I", "info " + 2))
        o(lastThrow(log.getEntries())).equals(log.formatLogEntry(new Date(1001), "I", "info " + 1001))
    })
})