diff options
Diffstat (limited to 'vendor/github.com/fsnotify/fsnotify/integration_test.go')
| -rw-r--r-- | vendor/github.com/fsnotify/fsnotify/integration_test.go | 1237 |
1 files changed, 0 insertions, 1237 deletions
diff --git a/vendor/github.com/fsnotify/fsnotify/integration_test.go b/vendor/github.com/fsnotify/fsnotify/integration_test.go deleted file mode 100644 index 8b7e9d3..0000000 --- a/vendor/github.com/fsnotify/fsnotify/integration_test.go +++ /dev/null @@ -1,1237 +0,0 @@ -// 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 !plan9,!solaris - -package fsnotify - -import ( - "io/ioutil" - "os" - "os/exec" - "path" - "path/filepath" - "runtime" - "sync/atomic" - "testing" - "time" -) - -// An atomic counter -type counter struct { - val int32 -} - -func (c *counter) increment() { - atomic.AddInt32(&c.val, 1) -} - -func (c *counter) value() int32 { - return atomic.LoadInt32(&c.val) -} - -func (c *counter) reset() { - atomic.StoreInt32(&c.val, 0) -} - -// tempMkdir makes a temporary directory -func tempMkdir(t *testing.T) string { - dir, err := ioutil.TempDir("", "fsnotify") - if err != nil { - t.Fatalf("failed to create test directory: %s", err) - } - return dir -} - -// tempMkFile makes a temporary file. -func tempMkFile(t *testing.T, dir string) string { - f, err := ioutil.TempFile(dir, "fsnotify") - if err != nil { - t.Fatalf("failed to create test file: %v", err) - } - defer f.Close() - return f.Name() -} - -// newWatcher initializes an fsnotify Watcher instance. -func newWatcher(t *testing.T) *Watcher { - watcher, err := NewWatcher() - if err != nil { - t.Fatalf("NewWatcher() failed: %s", err) - } - return watcher -} - -// addWatch adds a watch for a directory -func addWatch(t *testing.T, watcher *Watcher, dir string) { - if err := watcher.Add(dir); err != nil { - t.Fatalf("watcher.Add(%q) failed: %s", dir, err) - } -} - -func TestFsnotifyMultipleOperations(t *testing.T) { - watcher := newWatcher(t) - - // Receive errors on the error channel on a separate goroutine - go func() { - for err := range watcher.Errors { - t.Fatalf("error received: %s", err) - } - }() - - // Create directory to watch - testDir := tempMkdir(t) - defer os.RemoveAll(testDir) - - // Create directory that's not watched - testDirToMoveFiles := tempMkdir(t) - defer os.RemoveAll(testDirToMoveFiles) - - testFile := filepath.Join(testDir, "TestFsnotifySeq.testfile") - testFileRenamed := filepath.Join(testDirToMoveFiles, "TestFsnotifySeqRename.testfile") - - addWatch(t, watcher, testDir) - - // Receive events on the event channel on a separate goroutine - eventstream := watcher.Events - var createReceived, modifyReceived, deleteReceived, renameReceived counter - done := make(chan bool) - go func() { - for event := range eventstream { - // Only count relevant events - if event.Name == filepath.Clean(testDir) || event.Name == filepath.Clean(testFile) { - t.Logf("event received: %s", event) - if event.Op&Remove == Remove { - deleteReceived.increment() - } - if event.Op&Write == Write { - modifyReceived.increment() - } - if event.Op&Create == Create { - createReceived.increment() - } - if event.Op&Rename == Rename { - renameReceived.increment() - } - } else { - t.Logf("unexpected event received: %s", event) - } - } - done <- true - }() - - // Create a file - // This should add at least one event to the fsnotify event queue - var f *os.File - f, err := os.OpenFile(testFile, os.O_WRONLY|os.O_CREATE, 0666) - if err != nil { - t.Fatalf("creating test file failed: %s", err) - } - f.Sync() - - time.Sleep(time.Millisecond) - f.WriteString("data") - f.Sync() - f.Close() - - time.Sleep(50 * time.Millisecond) // give system time to sync write change before delete - - if err := testRename(testFile, testFileRenamed); err != nil { - t.Fatalf("rename failed: %s", err) - } - - // Modify the file outside of the watched dir - f, err = os.Open(testFileRenamed) - if err != nil { - t.Fatalf("open test renamed file failed: %s", err) - } - f.WriteString("data") - f.Sync() - f.Close() - - time.Sleep(50 * time.Millisecond) // give system time to sync write change before delete - - // Recreate the file that was moved - f, err = os.OpenFile(testFile, os.O_WRONLY|os.O_CREATE, 0666) - if err != nil { - t.Fatalf("creating test file failed: %s", err) - } - f.Close() - time.Sleep(50 * time.Millisecond) // give system time to sync write change before delete - - // We expect this event to be received almost immediately, but let's wait 500 ms to be sure - time.Sleep(500 * time.Millisecond) - cReceived := createReceived.value() - if cReceived != 2 { - t.Fatalf("incorrect number of create events received after 500 ms (%d vs %d)", cReceived, 2) - } - mReceived := modifyReceived.value() - if mReceived != 1 { - t.Fatalf("incorrect number of modify events received after 500 ms (%d vs %d)", mReceived, 1) - } - dReceived := deleteReceived.value() - rReceived := renameReceived.value() - if dReceived+rReceived != 1 { - t.Fatalf("incorrect number of rename+delete events received after 500 ms (%d vs %d)", rReceived+dReceived, 1) - } - - // Try closing the fsnotify instance - t.Log("calling Close()") - watcher.Close() - t.Log("waiting for the event channel to become closed...") - select { - case <-done: - t.Log("event channel closed") - case <-time.After(2 * time.Second): - t.Fatal("event stream was not closed after 2 seconds") - } -} - -func TestFsnotifyMultipleCreates(t *testing.T) { - watcher := newWatcher(t) - - // Receive errors on the error channel on a separate goroutine - go func() { - for err := range watcher.Errors { - t.Fatalf("error received: %s", err) - } - }() - - // Create directory to watch - testDir := tempMkdir(t) - defer os.RemoveAll(testDir) - - testFile := filepath.Join(testDir, "TestFsnotifySeq.testfile") - - addWatch(t, watcher, testDir) - - // Receive events on the event channel on a separate goroutine - eventstream := watcher.Events - var createReceived, modifyReceived, deleteReceived counter - done := make(chan bool) - go func() { - for event := range eventstream { - // Only count relevant events - if event.Name == filepath.Clean(testDir) || event.Name == filepath.Clean(testFile) { - t.Logf("event received: %s", event) - if event.Op&Remove == Remove { - deleteReceived.increment() - } - if event.Op&Create == Create { - createReceived.increment() - } - if event.Op&Write == Write { - modifyReceived.increment() - } - } else { - t.Logf("unexpected event received: %s", event) - } - } - done <- true - }() - - // Create a file - // This should add at least one event to the fsnotify event queue - var f *os.File - f, err := os.OpenFile(testFile, os.O_WRONLY|os.O_CREATE, 0666) - if err != nil { - t.Fatalf("creating test file failed: %s", err) - } - f.Sync() - - time.Sleep(time.Millisecond) - f.WriteString("data") - f.Sync() - f.Close() - - time.Sleep(50 * time.Millisecond) // give system time to sync write change before delete - - os.Remove(testFile) - - time.Sleep(50 * time.Millisecond) // give system time to sync write change before delete - - // Recreate the file - f, err = os.OpenFile(testFile, os.O_WRONLY|os.O_CREATE, 0666) - if err != nil { - t.Fatalf("creating test file failed: %s", err) - } - f.Close() - time.Sleep(50 * time.Millisecond) // give system time to sync write change before delete - - // Modify - f, err = os.OpenFile(testFile, os.O_WRONLY, 0666) - if err != nil { - t.Fatalf("creating test file failed: %s", err) - } - f.Sync() - - time.Sleep(time.Millisecond) - f.WriteString("data") - f.Sync() - f.Close() - - time.Sleep(50 * time.Millisecond) // give system time to sync write change before delete - - // Modify - f, err = os.OpenFile(testFile, os.O_WRONLY, 0666) - if err != nil { - t.Fatalf("creating test file failed: %s", err) - } - f.Sync() - - time.Sleep(time.Millisecond) - f.WriteString("data") - f.Sync() - f.Close() - - time.Sleep(50 * time.Millisecond) // give system time to sync write change before delete - - // We expect this event to be received almost immediately, but let's wait 500 ms to be sure - time.Sleep(500 * time.Millisecond) - cReceived := createReceived.value() - if cReceived != 2 { - t.Fatalf("incorrect number of create events received after 500 ms (%d vs %d)", cReceived, 2) - } - mReceived := modifyReceived.value() - if mReceived < 3 { - t.Fatalf("incorrect number of modify events received after 500 ms (%d vs atleast %d)", mReceived, 3) - } - dReceived := deleteReceived.value() - if dReceived != 1 { - t.Fatalf("incorrect number of rename+delete events received after 500 ms (%d vs %d)", dReceived, 1) - } - - // Try closing the fsnotify instance - t.Log("calling Close()") - watcher.Close() - t.Log("waiting for the event channel to become closed...") - select { - case <-done: - t.Log("event channel closed") - case <-time.After(2 * time.Second): - t.Fatal("event stream was not closed after 2 seconds") - } -} - -func TestFsnotifyDirOnly(t *testing.T) { - watcher := newWatcher(t) - - // Create directory to watch - testDir := tempMkdir(t) - defer os.RemoveAll(testDir) - - // Create a file before watching directory - // This should NOT add any events to the fsnotify event queue - testFileAlreadyExists := filepath.Join(testDir, "TestFsnotifyEventsExisting.testfile") - { - var f *os.File - f, err := os.OpenFile(testFileAlreadyExists, os.O_WRONLY|os.O_CREATE, 0666) - if err != nil { - t.Fatalf("creating test file failed: %s", err) - } - f.Sync() - f.Close() - } - - addWatch(t, watcher, testDir) - - // Receive errors on the error channel on a separate goroutine - go func() { - for err := range watcher.Errors { - t.Fatalf("error received: %s", err) - } - }() - - testFile := filepath.Join(testDir, "TestFsnotifyDirOnly.testfile") - - // Receive events on the event channel on a separate goroutine - eventstream := watcher.Events - var createReceived, modifyReceived, deleteReceived counter - done := make(chan bool) - go func() { - for event := range eventstream { - // Only count relevant events - if event.Name == filepath.Clean(testDir) || event.Name == filepath.Clean(testFile) || event.Name == filepath.Clean(testFileAlreadyExists) { - t.Logf("event received: %s", event) - if event.Op&Remove == Remove { - deleteReceived.increment() - } - if event.Op&Write == Write { - modifyReceived.increment() - } - if event.Op&Create == Create { - createReceived.increment() - } - } else { - t.Logf("unexpected event received: %s", event) - } - } - done <- true - }() - - // Create a file - // This should add at least one event to the fsnotify event queue - var f *os.File - f, err := os.OpenFile(testFile, os.O_WRONLY|os.O_CREATE, 0666) - if err != nil { - t.Fatalf("creating test file failed: %s", err) - } - f.Sync() - - time.Sleep(time.Millisecond) - f.WriteString("data") - f.Sync() - f.Close() - - time.Sleep(50 * time.Millisecond) // give system time to sync write change before delete - - os.Remove(testFile) - os.Remove(testFileAlreadyExists) - - // We expect this event to be received almost immediately, but let's wait 500 ms to be sure - time.Sleep(500 * time.Millisecond) - cReceived := createReceived.value() - if cReceived != 1 { - t.Fatalf("incorrect number of create events received after 500 ms (%d vs %d)", cReceived, 1) - } - mReceived := modifyReceived.value() - if mReceived != 1 { - t.Fatalf("incorrect number of modify events received after 500 ms (%d vs %d)", mReceived, 1) - } - dReceived := deleteReceived.value() - if dReceived != 2 { - t.Fatalf("incorrect number of delete events received after 500 ms (%d vs %d)", dReceived, 2) - } - - // Try closing the fsnotify instance - t.Log("calling Close()") - watcher.Close() - t.Log("waiting for the event channel to become closed...") - select { - case <-done: - t.Log("event channel closed") - case <-time.After(2 * time.Second): - t.Fatal("event stream was not closed after 2 seconds") - } -} - -func TestFsnotifyDeleteWatchedDir(t *testing.T) { - watcher := newWatcher(t) - defer watcher.Close() - - // Create directory to watch - testDir := tempMkdir(t) - defer os.RemoveAll(testDir) - - // Create a file before watching directory - testFileAlreadyExists := filepath.Join(testDir, "TestFsnotifyEventsExisting.testfile") - { - var f *os.File - f, err := os.OpenFile(testFileAlreadyExists, os.O_WRONLY|os.O_CREATE, 0666) - if err != nil { - t.Fatalf("creating test file failed: %s", err) - } - f.Sync() - f.Close() - } - - addWatch(t, watcher, testDir) - - // Add a watch for testFile - addWatch(t, watcher, testFileAlreadyExists) - - // Receive errors on the error channel on a separate goroutine - go func() { - for err := range watcher.Errors { - t.Fatalf("error received: %s", err) - } - }() - - // Receive events on the event channel on a separate goroutine - eventstream := watcher.Events - var deleteReceived counter - go func() { - for event := range eventstream { - // Only count relevant events - if event.Name == filepath.Clean(testDir) || event.Name == filepath.Clean(testFileAlreadyExists) { - t.Logf("event received: %s", event) - if event.Op&Remove == Remove { - deleteReceived.increment() - } - } else { - t.Logf("unexpected event received: %s", event) - } - } - }() - - os.RemoveAll(testDir) - - // We expect this event to be received almost immediately, but let's wait 500 ms to be sure - time.Sleep(500 * time.Millisecond) - dReceived := deleteReceived.value() - if dReceived < 2 { - t.Fatalf("did not receive at least %d delete events, received %d after 500 ms", 2, dReceived) - } -} - -func TestFsnotifySubDir(t *testing.T) { - watcher := newWatcher(t) - - // Create directory to watch - testDir := tempMkdir(t) - defer os.RemoveAll(testDir) - - testFile1 := filepath.Join(testDir, "TestFsnotifyFile1.testfile") - testSubDir := filepath.Join(testDir, "sub") - testSubDirFile := filepath.Join(testDir, "sub/TestFsnotifyFile1.testfile") - - // Receive errors on the error channel on a separate goroutine - go func() { - for err := range watcher.Errors { - t.Fatalf("error received: %s", err) - } - }() - - // Receive events on the event channel on a separate goroutine - eventstream := watcher.Events - var createReceived, deleteReceived counter - done := make(chan bool) - go func() { - for event := range eventstream { - // Only count relevant events - if event.Name == filepath.Clean(testDir) || event.Name == filepath.Clean(testSubDir) || event.Name == filepath.Clean(testFile1) { - t.Logf("event received: %s", event) - if event.Op&Create == Create { - createReceived.increment() - } - if event.Op&Remove == Remove { - deleteReceived.increment() - } - } else { - t.Logf("unexpected event received: %s", event) - } - } - done <- true - }() - - addWatch(t, watcher, testDir) - - // Create sub-directory - if err := os.Mkdir(testSubDir, 0777); err != nil { - t.Fatalf("failed to create test sub-directory: %s", err) - } - - // Create a file - var f *os.File - f, err := os.OpenFile(testFile1, os.O_WRONLY|os.O_CREATE, 0666) - if err != nil { - t.Fatalf("creating test file failed: %s", err) - } - f.Sync() - f.Close() - - // Create a file (Should not see this! we are not watching subdir) - var fs *os.File - fs, err = os.OpenFile(testSubDirFile, os.O_WRONLY|os.O_CREATE, 0666) - if err != nil { - t.Fatalf("creating test file failed: %s", err) - } - fs.Sync() - fs.Close() - - time.Sleep(200 * time.Millisecond) - - // Make sure receive deletes for both file and sub-directory - os.RemoveAll(testSubDir) - os.Remove(testFile1) - - // We expect this event to be received almost immediately, but let's wait 500 ms to be sure - time.Sleep(500 * time.Millisecond) - cReceived := createReceived.value() - if cReceived != 2 { - t.Fatalf("incorrect number of create events received after 500 ms (%d vs %d)", cReceived, 2) - } - dReceived := deleteReceived.value() - if dReceived != 2 { - t.Fatalf("incorrect number of delete events received after 500 ms (%d vs %d)", dReceived, 2) - } - - // Try closing the fsnotify instance - t.Log("calling Close()") - watcher.Close() - t.Log("waiting for the event channel to become closed...") - select { - case <-done: - t.Log("event channel closed") - case <-time.After(2 * time.Second): - t.Fatal("event stream was not closed after 2 seconds") - } -} - -func TestFsnotifyRename(t *testing.T) { - watcher := newWatcher(t) - - // Create directory to watch - testDir := tempMkdir(t) - defer os.RemoveAll(testDir) - - addWatch(t, watcher, testDir) - - // Receive errors on the error channel on a separate goroutine - go func() { - for err := range watcher.Errors { - t.Fatalf("error received: %s", err) - } - }() - - testFile := filepath.Join(testDir, "TestFsnotifyEvents.testfile") - testFileRenamed := filepath.Join(testDir, "TestFsnotifyEvents.testfileRenamed") - - // Receive events on the event channel on a separate goroutine - eventstream := watcher.Events - var renameReceived counter - done := make(chan bool) - go func() { - for event := range eventstream { - // Only count relevant events - if event.Name == filepath.Clean(testDir) || event.Name == filepath.Clean(testFile) || event.Name == filepath.Clean(testFileRenamed) { - if event.Op&Rename == Rename { - renameReceived.increment() - } - t.Logf("event received: %s", event) - } else { - t.Logf("unexpected event received: %s", event) - } - } - done <- true - }() - - // Create a file - // This should add at least one event to the fsnotify event queue - var f *os.File - f, err := os.OpenFile(testFile, os.O_WRONLY|os.O_CREATE, 0666) - if err != nil { - t.Fatalf("creating test file failed: %s", err) - } - f.Sync() - - f.WriteString("data") - f.Sync() - f.Close() - - // Add a watch for testFile - addWatch(t, watcher, testFile) - - if err := testRename(testFile, testFileRenamed); err != nil { - t.Fatalf("rename failed: %s", err) - } - - // We expect this event to be received almost immediately, but let's wait 500 ms to be sure - time.Sleep(500 * time.Millisecond) - if renameReceived.value() == 0 { - t.Fatal("fsnotify rename events have not been received after 500 ms") - } - - // Try closing the fsnotify instance - t.Log("calling Close()") - watcher.Close() - t.Log("waiting for the event channel to become closed...") - select { - case <-done: - t.Log("event channel closed") - case <-time.After(2 * time.Second): - t.Fatal("event stream was not closed after 2 seconds") - } - - os.Remove(testFileRenamed) -} - -func TestFsnotifyRenameToCreate(t *testing.T) { - watcher := newWatcher(t) - - // Create directory to watch - testDir := tempMkdir(t) - defer os.RemoveAll(testDir) - - // Create directory to get file - testDirFrom := tempMkdir(t) - defer os.RemoveAll(testDirFrom) - - addWatch(t, watcher, testDir) - - // Receive errors on the error channel on a separate goroutine - go func() { - for err := range watcher.Errors { - t.Fatalf("error received: %s", err) - } - }() - - testFile := filepath.Join(testDirFrom, "TestFsnotifyEvents.testfile") - testFileRenamed := filepath.Join(testDir, "TestFsnotifyEvents.testfileRenamed") - - // Receive events on the event channel on a separate goroutine - eventstream := watcher.Events - var createReceived counter - done := make(chan bool) - go func() { - for event := range eventstream { - // Only count relevant events - if event.Name == filepath.Clean(testDir) || event.Name == filepath.Clean(testFile) || event.Name == filepath.Clean(testFileRenamed) { - if event.Op&Create == Create { - createReceived.increment() - } - t.Logf("event received: %s", event) - } else { - t.Logf("unexpected event received: %s", event) - } - } - done <- true - }() - - // Create a file - // This should add at least one event to the fsnotify event queue - var f *os.File - f, err := os.OpenFile(testFile, os.O_WRONLY|os.O_CREATE, 0666) - if err != nil { - t.Fatalf("creating test file failed: %s", err) - } - f.Sync() - f.Close() - - if err := testRename(testFile, testFileRenamed); err != nil { - t.Fatalf("rename failed: %s", err) - } - - // We expect this event to be received almost immediately, but let's wait 500 ms to be sure - time.Sleep(500 * time.Millisecond) - if createReceived.value() == 0 { - t.Fatal("fsnotify create events have not been received after 500 ms") - } - - // Try closing the fsnotify instance - t.Log("calling Close()") - watcher.Close() - t.Log("waiting for the event channel to become closed...") - select { - case <-done: - t.Log("event channel closed") - case <-time.After(2 * time.Second): - t.Fatal("event stream was not closed after 2 seconds") - } - - os.Remove(testFileRenamed) -} - -func TestFsnotifyRenameToOverwrite(t *testing.T) { - switch runtime.GOOS { - case "plan9", "windows": - t.Skipf("skipping test on %q (os.Rename over existing file does not create event).", runtime.GOOS) - } - - watcher := newWatcher(t) - - // Create directory to watch - testDir := tempMkdir(t) - defer os.RemoveAll(testDir) - - // Create directory to get file - testDirFrom := tempMkdir(t) - defer os.RemoveAll(testDirFrom) - - testFile := filepath.Join(testDirFrom, "TestFsnotifyEvents.testfile") - testFileRenamed := filepath.Join(testDir, "TestFsnotifyEvents.testfileRenamed") - - // Create a file - var fr *os.File - fr, err := os.OpenFile(testFileRenamed, os.O_WRONLY|os.O_CREATE, 0666) - if err != nil { - t.Fatalf("creating test file failed: %s", err) - } - fr.Sync() - fr.Close() - - addWatch(t, watcher, testDir) - - // Receive errors on the error channel on a separate goroutine - go func() { - for err := range watcher.Errors { - t.Fatalf("error received: %s", err) - } - }() - - // Receive events on the event channel on a separate goroutine - eventstream := watcher.Events - var eventReceived counter - done := make(chan bool) - go func() { - for event := range eventstream { - // Only count relevant events - if event.Name == filepath.Clean(testFileRenamed) { - eventReceived.increment() - t.Logf("event received: %s", event) - } else { - t.Logf("unexpected event received: %s", event) - } - } - done <- true - }() - - // Create a file - // This should add at least one event to the fsnotify event queue - var f *os.File - f, err = os.OpenFile(testFile, os.O_WRONLY|os.O_CREATE, 0666) - if err != nil { - t.Fatalf("creating test file failed: %s", err) - } - f.Sync() - f.Close() - - if err := testRename(testFile, testFileRenamed); err != nil { - t.Fatalf("rename failed: %s", err) - } - - // We expect this event to be received almost immediately, but let's wait 500 ms to be sure - time.Sleep(500 * time.Millisecond) - if eventReceived.value() == 0 { - t.Fatal("fsnotify events have not been received after 500 ms") - } - - // Try closing the fsnotify instance - t.Log("calling Close()") - watcher.Close() - t.Log("waiting for the event channel to become closed...") - select { - case <-done: - t.Log("event channel closed") - case <-time.After(2 * time.Second): - t.Fatal("event stream was not closed after 2 seconds") - } - - os.Remove(testFileRenamed) -} - -func TestRemovalOfWatch(t *testing.T) { - // Create directory to watch - testDir := tempMkdir(t) - defer os.RemoveAll(testDir) - - // Create a file before watching directory - testFileAlreadyExists := filepath.Join(testDir, "TestFsnotifyEventsExisting.testfile") - { - var f *os.File - f, err := os.OpenFile(testFileAlreadyExists, os.O_WRONLY|os.O_CREATE, 0666) - if err != nil { - t.Fatalf("creating test file failed: %s", err) - } - f.Sync() - f.Close() - } - - watcher := newWatcher(t) - defer watcher.Close() - - addWatch(t, watcher, testDir) - if err := watcher.Remove(testDir); err != nil { - t.Fatalf("Could not remove the watch: %v\n", err) - } - - go func() { - select { - case ev := <-watcher.Events: - t.Fatalf("We received event: %v\n", ev) - case <-time.After(500 * time.Millisecond): - t.Log("No event received, as expected.") - } - }() - - time.Sleep(200 * time.Millisecond) - // Modify the file outside of the watched dir - f, err := os.Open(testFileAlreadyExists) - if err != nil { - t.Fatalf("Open test file failed: %s", err) - } - f.WriteString("data") - f.Sync() - f.Close() - if err := os.Chmod(testFileAlreadyExists, 0700); err != nil { - t.Fatalf("chmod failed: %s", err) - } - time.Sleep(400 * time.Millisecond) -} - -func TestFsnotifyAttrib(t *testing.T) { - if runtime.GOOS == "windows" { - t.Skip("attributes don't work on Windows.") - } - - watcher := newWatcher(t) - - // Create directory to watch - testDir := tempMkdir(t) - defer os.RemoveAll(testDir) - - // Receive errors on the error channel on a separate goroutine - go func() { - for err := range watcher.Errors { - t.Fatalf("error received: %s", err) - } - }() - - testFile := filepath.Join(testDir, "TestFsnotifyAttrib.testfile") - - // Receive events on the event channel on a separate goroutine - eventstream := watcher.Events - // The modifyReceived counter counts IsModify events that are not IsAttrib, - // and the attribReceived counts IsAttrib events (which are also IsModify as - // a consequence). - var modifyReceived counter - var attribReceived counter - done := make(chan bool) - go func() { - for event := range eventstream { - // Only count relevant events - if event.Name == filepath.Clean(testDir) || event.Name == filepath.Clean(testFile) { - if event.Op&Write == Write { - modifyReceived.increment() - } - if event.Op&Chmod == Chmod { - attribReceived.increment() - } - t.Logf("event received: %s", event) - } else { - t.Logf("unexpected event received: %s", event) - } - } - done <- true - }() - - // Create a file - // This should add at least one event to the fsnotify event queue - var f *os.File - f, err := os.OpenFile(testFile, os.O_WRONLY|os.O_CREATE, 0666) - if err != nil { - t.Fatalf("creating test file failed: %s", err) - } - f.Sync() - - f.WriteString("data") - f.Sync() - f.Close() - - // Add a watch for testFile - addWatch(t, watcher, testFile) - - if err := os.Chmod(testFile, 0700); err != nil { - t.Fatalf("chmod failed: %s", err) - } - - // We expect this event to be received almost immediately, but let's wait 500 ms to be sure - // Creating/writing a file changes also the mtime, so IsAttrib should be set to true here - time.Sleep(500 * time.Millisecond) - if modifyReceived.value() != 0 { - t.Fatal("received an unexpected modify event when creating a test file") - } - if attribReceived.value() == 0 { - t.Fatal("fsnotify attribute events have not received after 500 ms") - } - - // Modifying the contents of the file does not set the attrib flag (although eg. the mtime - // might have been modified). - modifyReceived.reset() - attribReceived.reset() - - f, err = os.OpenFile(testFile, os.O_WRONLY, 0) - if err != nil { - t.Fatalf("reopening test file failed: %s", err) - } - - f.WriteString("more data") - f.Sync() - f.Close() - - time.Sleep(500 * time.Millisecond) - - if modifyReceived.value() != 1 { - t.Fatal("didn't receive a modify event after changing test file contents") - } - - if attribReceived.value() != 0 { - t.Fatal("did receive an unexpected attrib event after changing test file contents") - } - - modifyReceived.reset() - attribReceived.reset() - - // Doing a chmod on the file should trigger an event with the "attrib" flag set (the contents - // of the file are not changed though) - if err := os.Chmod(testFile, 0600); err != nil { - t.Fatalf("chmod failed: %s", err) - } - - time.Sleep(500 * time.Millisecond) - - if attribReceived.value() != 1 { - t.Fatal("didn't receive an attribute change after 500ms") - } - - // Try closing the fsnotify instance - t.Log("calling Close()") - watcher.Close() - t.Log("waiting for the event channel to become closed...") - select { - case <-done: - t.Log("event channel closed") - case <-time.After(1e9): - t.Fatal("event stream was not closed after 1 second") - } - - os.Remove(testFile) -} - -func TestFsnotifyClose(t *testing.T) { - watcher := newWatcher(t) - watcher.Close() - - var done int32 - go func() { - watcher.Close() - atomic.StoreInt32(&done, 1) - }() - - time.Sleep(50e6) // 50 ms - if atomic.LoadInt32(&done) == 0 { - t.Fatal("double Close() test failed: second Close() call didn't return") - } - - testDir := tempMkdir(t) - defer os.RemoveAll(testDir) - - if err := watcher.Add(testDir); err == nil { - t.Fatal("expected error on Watch() after Close(), got nil") - } -} - -func TestFsnotifyFakeSymlink(t *testing.T) { - if runtime.GOOS == "windows" { - t.Skip("symlinks don't work on Windows.") - } - - 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.Errors { - t.Logf("Received error: %s", errors) - errorsReceived.increment() - } - }() - - // Count the CREATE events received - var createEventsReceived, otherEventsReceived counter - go func() { - for ev := range watcher.Events { - t.Logf("event received: %s", ev) - if ev.Op&Create == Create { - 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() -} - -func TestCyclicSymlink(t *testing.T) { - if runtime.GOOS == "windows" { - t.Skip("symlinks don't work on Windows.") - } - - watcher := newWatcher(t) - - testDir := tempMkdir(t) - defer os.RemoveAll(testDir) - - link := path.Join(testDir, "link") - if err := os.Symlink(".", link); err != nil { - t.Fatalf("could not make symlink: %v", err) - } - addWatch(t, watcher, testDir) - - var createEventsReceived counter - go func() { - for ev := range watcher.Events { - if ev.Op&Create == Create { - createEventsReceived.increment() - } - } - }() - - if err := os.Remove(link); err != nil { - t.Fatalf("Error removing link: %v", err) - } - - // It would be nice to be able to expect a delete event here, but kqueue has - // no way for us to get events on symlinks themselves, because opening them - // opens an fd to the file to which they point. - - if err := ioutil.WriteFile(link, []byte("foo"), 0700); err != nil { - t.Fatalf("could not make symlink: %v", err) - } - - // We expect this event to be received almost immediately, but let's wait 500 ms to be sure - time.Sleep(500 * time.Millisecond) - - if got := createEventsReceived.value(); got == 0 { - t.Errorf("want at least 1 create event got %v", got) - } - - watcher.Close() -} - -// TestConcurrentRemovalOfWatch tests that concurrent calls to RemoveWatch do not race. -// See https://codereview.appspot.com/103300045/ -// go test -test.run=TestConcurrentRemovalOfWatch -test.cpu=1,1,1,1,1 -race -func TestConcurrentRemovalOfWatch(t *testing.T) { - if runtime.GOOS != "darwin" { - t.Skip("regression test for race only present on darwin") - } - - // Create directory to watch - testDir := tempMkdir(t) - defer os.RemoveAll(testDir) - - // Create a file before watching directory - testFileAlreadyExists := filepath.Join(testDir, "TestFsnotifyEventsExisting.testfile") - { - var f *os.File - f, err := os.OpenFile(testFileAlreadyExists, os.O_WRONLY|os.O_CREATE, 0666) - if err != nil { - t.Fatalf("creating test file failed: %s", err) - } - f.Sync() - f.Close() - } - - watcher := newWatcher(t) - defer watcher.Close() - - addWatch(t, watcher, testDir) - - // Test that RemoveWatch can be invoked concurrently, with no data races. - removed1 := make(chan struct{}) - go func() { - defer close(removed1) - watcher.Remove(testDir) - }() - removed2 := make(chan struct{}) - go func() { - close(removed2) - watcher.Remove(testDir) - }() - <-removed1 - <-removed2 -} - -func TestClose(t *testing.T) { - // Regression test for #59 bad file descriptor from Close - testDir := tempMkdir(t) - defer os.RemoveAll(testDir) - - watcher := newWatcher(t) - if err := watcher.Add(testDir); err != nil { - t.Fatalf("Expected no error on Add, got %v", err) - } - err := watcher.Close() - if err != nil { - t.Fatalf("Expected no error on Close, got %v.", err) - } -} - -// TestRemoveWithClose tests if one can handle Remove events and, at the same -// time, close Watcher object without any data races. -func TestRemoveWithClose(t *testing.T) { - testDir := tempMkdir(t) - defer os.RemoveAll(testDir) - - const fileN = 200 - tempFiles := make([]string, 0, fileN) - for i := 0; i < fileN; i++ { - tempFiles = append(tempFiles, tempMkFile(t, testDir)) - } - watcher := newWatcher(t) - if err := watcher.Add(testDir); err != nil { - t.Fatalf("Expected no error on Add, got %v", err) - } - startC, stopC := make(chan struct{}), make(chan struct{}) - errC := make(chan error) - go func() { - for { - select { - case <-watcher.Errors: - case <-watcher.Events: - case <-stopC: - return - } - } - }() - go func() { - <-startC - for _, fileName := range tempFiles { - os.Remove(fileName) - } - }() - go func() { - <-startC - errC <- watcher.Close() - }() - close(startC) - defer close(stopC) - if err := <-errC; err != nil { - t.Fatalf("Expected no error on Close, got %v.", err) - } -} - -func testRename(file1, file2 string) error { - switch runtime.GOOS { - case "windows", "plan9": - return os.Rename(file1, file2) - default: - cmd := exec.Command("mv", file1, file2) - return cmd.Run() - } -} |