v/vlib/log/default_test.v at master · initdc/v

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import log

import time

fn test_default_log_instance() {

println(@FN + ' start')

log.info('info')

log.warn('warn')

log.error('error')

log.debug('no output for debug')

println('^^^ there should be no `no output for debug` shown above')

log.set_level(.debug)

log.debug('debug now')

println('^^^ there should be `debug now` shown above')

log.set_level(log.level_from_tag('INFO') or { log.Level.disabled })

log.info('info again')

log.debug('no output for debug')

log.set_level(log.level_from_tag('') or { log.Level.disabled })

log.error('no output anymore')

println('^^^ there should be no `no output anymore` shown above')

println(@FN + ' end')

}

fn log_messages(tidx int) {

time.sleep(2 * time.millisecond)

for i in 0 .. 3 {

log.debug('hi from thread ${tidx}')

}

fn test_default_log_instance_used_in_multiple_threads() {

eprintln('\n${@METHOD} start')

log.set_level(.debug)

mut threads := []thread{}

for tidx in 0 .. 3 {

threads << spawn log_messages(tidx)

}

threads.wait()

}