| // 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" |
| "testing" |
| "time" |
| ) |
| |
| func TestFsnotifyFakeSymlink(t *testing.T) { |
| // Create an fsnotify watcher instance and initialize it |
| watcher, err := NewWatcher() |
| if err != nil { |
| t.Fatalf("NewWatcher() failed: %s", err) |
| } |
| |
| const testDir string = "_test" |
| |
| // Create directory to watch |
| if os.Mkdir(testDir, 0777) != nil { |
| t.Fatalf("Failed to create test directory: %s", err) |
| } |
| defer os.RemoveAll(testDir) |
| |
| var errorsReceived = 0 |
| // Receive errors on the error channel on a separate goroutine |
| go func() { |
| for errors := range watcher.Error { |
| t.Logf("Received error: %s", errors) |
| errorsReceived++ |
| } |
| }() |
| |
| // Count the CREATE events received |
| var createEventsReceived = 0 |
| var otherEventsReceived = 0 |
| go func() { |
| for ev := range watcher.Event { |
| t.Logf("event received: %s", ev) |
| if ev.IsCreate() { |
| createEventsReceived++ |
| } else { |
| otherEventsReceived++ |
| } |
| } |
| }() |
| |
| // Add a watch for testDir |
| err = watcher.Watch(testDir) |
| if err != nil { |
| t.Fatalf("Watcher.Watch() failed: %s", err) |
| } |
| |
| if os.Symlink("_test/zzz", "_test/zzznew") != 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 > 0 { |
| t.Fatal("fsnotify errors have been received.") |
| } |
| if otherEventsReceived > 0 { |
| t.Fatal("fsnotify other events received on the broken link") |
| } |
| |
| // Except for 1 create event (for the link itself) |
| if createEventsReceived == 0 { |
| t.Fatal("fsnotify create events were not received after 500 ms") |
| } |
| if createEventsReceived > 1 { |
| t.Fatal("fsnotify more create events received than expected") |
| } |
| |
| // Try closing the fsnotify instance |
| t.Log("calling Close()") |
| watcher.Close() |
| } |