From e68b9d00a6e05b3a941f63ffb696f91e554ac5ec Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel@debian.org>
Date: Fri, 18 Oct 2024 20:33:49 +0200
Subject: Adding upstream version 9.0.3.

Signed-off-by: Daniel Baumann <daniel@debian.org>
---
 modules/test/logchecker.go | 107 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 modules/test/logchecker.go

(limited to 'modules/test/logchecker.go')

diff --git a/modules/test/logchecker.go b/modules/test/logchecker.go
new file mode 100644
index 0000000..0f12257
--- /dev/null
+++ b/modules/test/logchecker.go
@@ -0,0 +1,107 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package test
+
+import (
+	"context"
+	"fmt"
+	"strings"
+	"sync"
+	"sync/atomic"
+	"time"
+
+	"code.gitea.io/gitea/modules/log"
+)
+
+type LogChecker struct {
+	*log.EventWriterBaseImpl
+
+	filterMessages []string
+	filtered       []bool
+
+	stopMark string
+	stopped  bool
+
+	mu sync.Mutex
+}
+
+func (lc *LogChecker) Run(ctx context.Context) {
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case event, ok := <-lc.Queue:
+			if !ok {
+				return
+			}
+			lc.checkLogEvent(event)
+		}
+	}
+}
+
+func (lc *LogChecker) checkLogEvent(event *log.EventFormatted) {
+	lc.mu.Lock()
+	defer lc.mu.Unlock()
+	for i, msg := range lc.filterMessages {
+		if strings.Contains(event.Origin.MsgSimpleText, msg) {
+			lc.filtered[i] = true
+		}
+	}
+	if strings.Contains(event.Origin.MsgSimpleText, lc.stopMark) {
+		lc.stopped = true
+	}
+}
+
+var checkerIndex int64
+
+func NewLogChecker(namePrefix string, level log.Level) (logChecker *LogChecker, cancel func()) {
+	logger := log.GetManager().GetLogger(namePrefix)
+	newCheckerIndex := atomic.AddInt64(&checkerIndex, 1)
+	writerName := namePrefix + "-" + fmt.Sprint(newCheckerIndex)
+
+	lc := &LogChecker{}
+	lc.EventWriterBaseImpl = log.NewEventWriterBase(writerName, "test-log-checker", log.WriterMode{
+		Level: level,
+	})
+	logger.AddWriters(lc)
+	return lc, func() { _ = logger.RemoveWriter(writerName) }
+}
+
+// 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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