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// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build freebsd openbsd netbsd darwin linux
package fsnotify
import (
"os"
"path/filepath"
"testing"
"time"
)
func TestFsnotifyFakeSymlink(t *testing.T) {
watcher := newWatcher(t)
// Create directory to watch
testDir := tempMkdir(t)
defer os.RemoveAll(testDir)
var errorsReceived counter
// Receive errors on the error channel on a separate goroutine
go func() {
for errors := range watcher.Error {
t.Logf("Received error: %s", errors)
errorsReceived.increment()
}
}()
// Count the CREATE events received
var createEventsReceived, otherEventsReceived counter
go func() {
for ev := range watcher.Event {
t.Logf("event received: %s", ev)
if ev.IsCreate() {
createEventsReceived.increment()
} else {
otherEventsReceived.increment()
}
}
}()
addWatch(t, watcher, testDir)
if err := os.Symlink(filepath.Join(testDir, "zzz"), filepath.Join(testDir, "zzznew")); err != nil {
t.Fatalf("Failed to create bogus symlink: %s", err)
}
t.Logf("Created bogus symlink")
// We expect this event to be received almost immediately, but let's wait 500 ms to be sure
time.Sleep(500 * time.Millisecond)
// Should not be error, just no events for broken links (watching nothing)
if errorsReceived.value() > 0 {
t.Fatal("fsnotify errors have been received.")
}
if otherEventsReceived.value() > 0 {
t.Fatal("fsnotify other events received on the broken link")
}
// Except for 1 create event (for the link itself)
if createEventsReceived.value() == 0 {
t.Fatal("fsnotify create events were not received after 500 ms")
}
if createEventsReceived.value() > 1 {
t.Fatal("fsnotify more create events received than expected")
}
// Try closing the fsnotify instance
t.Log("calling Close()")
watcher.Close()
}
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