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// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package test
import (
"strconv"
"strings"
"sync"
"sync/atomic"
"time"
"code.gitea.io/gitea/modules/log"
)
type LogChecker struct {
logger *log.MultiChannelledLogger
loggerName string
eventLoggerName string
filterMessages []string
filtered []bool
stopMark string
stopped bool
mu sync.Mutex
}
func (lc *LogChecker) LogEvent(event *log.Event) error {
lc.mu.Lock()
defer lc.mu.Unlock()
for i, msg := range lc.filterMessages {
if strings.Contains(event.GetMsg(), msg) {
lc.filtered[i] = true
}
}
if strings.Contains(event.GetMsg(), lc.stopMark) {
lc.stopped = true
}
return nil
}
func (lc *LogChecker) Close() {}
func (lc *LogChecker) Flush() {}
func (lc *LogChecker) GetLevel() log.Level {
return log.TRACE
}
func (lc *LogChecker) GetStacktraceLevel() log.Level {
return log.NONE
}
func (lc *LogChecker) GetName() string {
return lc.eventLoggerName
}
func (lc *LogChecker) ReleaseReopen() error {
return nil
}
var checkerIndex int64
func NewLogChecker(loggerName string) (logChecker *LogChecker, cancel func()) {
logger := log.GetLogger(loggerName)
newCheckerIndex := atomic.AddInt64(&checkerIndex, 1)
lc := &LogChecker{
logger: logger,
loggerName: loggerName,
eventLoggerName: "TestLogChecker-" + strconv.FormatInt(newCheckerIndex, 10),
}
if err := logger.AddLogger(lc); err != nil {
panic(err) // it's impossible
}
return lc, func() { _, _ = logger.DelLogger(lc.GetName()) }
}
// Filter will make the `Check` function to check if these logs are outputted.
func (lc *LogChecker) Filter(msgs ...string) *LogChecker {
lc.mu.Lock()
defer lc.mu.Unlock()
lc.filterMessages = make([]string, len(msgs))
copy(lc.filterMessages, msgs)
lc.filtered = make([]bool, len(lc.filterMessages))
return lc
}
func (lc *LogChecker) StopMark(msg string) *LogChecker {
lc.mu.Lock()
defer lc.mu.Unlock()
lc.stopMark = msg
lc.stopped = false
return lc
}
// Check returns the filtered slice and whether the stop mark is reached.
func (lc *LogChecker) Check(d time.Duration) (filtered []bool, stopped bool) {
stop := time.Now().Add(d)
for {
lc.mu.Lock()
stopped = lc.stopped
lc.mu.Unlock()
if time.Now().After(stop) || stopped {
lc.mu.Lock()
f := make([]bool, len(lc.filtered))
copy(f, lc.filtered)
lc.mu.Unlock()
return f, stopped
}
time.Sleep(10 * time.Millisecond)
}
}
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