From 56e74239d6b34df8f30ef046f0b0ff4ff0866a71 Mon Sep 17 00:00:00 2001 From: =Corey Hulen Date: Sun, 14 Jun 2015 23:53:32 -0800 Subject: first commit --- .../src/gopkg.in/fsnotify.v1/inotify_test.go | 292 +++++++++++++++++++++ 1 file changed, 292 insertions(+) create mode 100644 Godeps/_workspace/src/gopkg.in/fsnotify.v1/inotify_test.go (limited to 'Godeps/_workspace/src/gopkg.in/fsnotify.v1/inotify_test.go') diff --git a/Godeps/_workspace/src/gopkg.in/fsnotify.v1/inotify_test.go b/Godeps/_workspace/src/gopkg.in/fsnotify.v1/inotify_test.go new file mode 100644 index 000000000..035ee8f95 --- /dev/null +++ b/Godeps/_workspace/src/gopkg.in/fsnotify.v1/inotify_test.go @@ -0,0 +1,292 @@ +// Copyright 2015 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 linux + +package fsnotify + +import ( + "os" + "path/filepath" + "syscall" + "testing" + "time" +) + +func TestInotifyCloseRightAway(t *testing.T) { + w, err := NewWatcher() + if err != nil { + t.Fatalf("Failed to create watcher") + } + + // Close immediately; it won't even reach the first syscall.Read. + w.Close() + + // Wait for the close to complete. + <-time.After(50 * time.Millisecond) + isWatcherReallyClosed(t, w) +} + +func TestInotifyCloseSlightlyLater(t *testing.T) { + w, err := NewWatcher() + if err != nil { + t.Fatalf("Failed to create watcher") + } + + // Wait until readEvents has reached syscall.Read, and Close. + <-time.After(50 * time.Millisecond) + w.Close() + + // Wait for the close to complete. + <-time.After(50 * time.Millisecond) + isWatcherReallyClosed(t, w) +} + +func TestInotifyCloseSlightlyLaterWithWatch(t *testing.T) { + testDir := tempMkdir(t) + defer os.RemoveAll(testDir) + + w, err := NewWatcher() + if err != nil { + t.Fatalf("Failed to create watcher") + } + w.Add(testDir) + + // Wait until readEvents has reached syscall.Read, and Close. + <-time.After(50 * time.Millisecond) + w.Close() + + // Wait for the close to complete. + <-time.After(50 * time.Millisecond) + isWatcherReallyClosed(t, w) +} + +func TestInotifyCloseAfterRead(t *testing.T) { + testDir := tempMkdir(t) + defer os.RemoveAll(testDir) + + w, err := NewWatcher() + if err != nil { + t.Fatalf("Failed to create watcher") + } + + err = w.Add(testDir) + if err != nil { + t.Fatalf("Failed to add .") + } + + // Generate an event. + os.Create(filepath.Join(testDir, "somethingSOMETHINGsomethingSOMETHING")) + + // Wait for readEvents to read the event, then close the watcher. + <-time.After(50 * time.Millisecond) + w.Close() + + // Wait for the close to complete. + <-time.After(50 * time.Millisecond) + isWatcherReallyClosed(t, w) +} + +func isWatcherReallyClosed(t *testing.T, w *Watcher) { + select { + case err, ok := <-w.Errors: + if ok { + t.Fatalf("w.Errors is not closed; readEvents is still alive after closing (error: %v)", err) + } + default: + t.Fatalf("w.Errors would have blocked; readEvents is still alive!") + } + + select { + case _, ok := <-w.Events: + if ok { + t.Fatalf("w.Events is not closed; readEvents is still alive after closing") + } + default: + t.Fatalf("w.Events would have blocked; readEvents is still alive!") + } +} + +func TestInotifyCloseCreate(t *testing.T) { + testDir := tempMkdir(t) + defer os.RemoveAll(testDir) + + w, err := NewWatcher() + if err != nil { + t.Fatalf("Failed to create watcher: %v", err) + } + defer w.Close() + + err = w.Add(testDir) + if err != nil { + t.Fatalf("Failed to add testDir: %v", err) + } + h, err := os.Create(filepath.Join(testDir, "testfile")) + if err != nil { + t.Fatalf("Failed to create file in testdir: %v", err) + } + h.Close() + select { + case _ = <-w.Events: + case err := <-w.Errors: + t.Fatalf("Error from watcher: %v", err) + case <-time.After(50 * time.Millisecond): + t.Fatalf("Took too long to wait for event") + } + + // At this point, we've received one event, so the goroutine is ready. + // It's also blocking on syscall.Read. + // Now we try to swap the file descriptor under its nose. + w.Close() + w, err = NewWatcher() + defer w.Close() + if err != nil { + t.Fatalf("Failed to create second watcher: %v", err) + } + + <-time.After(50 * time.Millisecond) + err = w.Add(testDir) + if err != nil { + t.Fatalf("Error adding testDir again: %v", err) + } +} + +func TestInotifyStress(t *testing.T) { + testDir := tempMkdir(t) + defer os.RemoveAll(testDir) + testFile := filepath.Join(testDir, "testfile") + + w, err := NewWatcher() + if err != nil { + t.Fatalf("Failed to create watcher: %v", err) + } + defer w.Close() + + killchan := make(chan struct{}) + defer close(killchan) + + err = w.Add(testDir) + if err != nil { + t.Fatalf("Failed to add testDir: %v", err) + } + + proc, err := os.FindProcess(os.Getpid()) + if err != nil { + t.Fatalf("Error finding process: %v", err) + } + + go func() { + for { + select { + case <-time.After(5 * time.Millisecond): + err := proc.Signal(syscall.SIGUSR1) + if err != nil { + t.Fatalf("Signal failed: %v", err) + } + case <-killchan: + return + } + } + }() + + go func() { + for { + select { + case <-time.After(11 * time.Millisecond): + err := w.poller.wake() + if err != nil { + t.Fatalf("Wake failed: %v", err) + } + case <-killchan: + return + } + } + }() + + go func() { + for { + select { + case <-killchan: + return + default: + handle, err := os.Create(testFile) + if err != nil { + t.Fatalf("Create failed: %v", err) + } + handle.Close() + time.Sleep(time.Millisecond) + err = os.Remove(testFile) + if err != nil { + t.Fatalf("Remove failed: %v", err) + } + } + } + }() + + creates := 0 + removes := 0 + after := time.After(5 * time.Second) + for { + select { + case <-after: + if creates-removes > 1 || creates-removes < -1 { + t.Fatalf("Creates and removes should not be off by more than one: %d creates, %d removes", creates, removes) + } + if creates < 50 { + t.Fatalf("Expected at least 50 creates, got %d", creates) + } + return + case err := <-w.Errors: + t.Fatalf("Got an error from watcher: %v", err) + case evt := <-w.Events: + if evt.Name != testFile { + t.Fatalf("Got an event for an unknown file: %s", evt.Name) + } + if evt.Op == Create { + creates++ + } + if evt.Op == Remove { + removes++ + } + } + } +} + +func TestInotifyRemoveTwice(t *testing.T) { + testDir := tempMkdir(t) + defer os.RemoveAll(testDir) + testFile := filepath.Join(testDir, "testfile") + + handle, err := os.Create(testFile) + if err != nil { + t.Fatalf("Create failed: %v", err) + } + handle.Close() + + w, err := NewWatcher() + if err != nil { + t.Fatalf("Failed to create watcher: %v", err) + } + defer w.Close() + + err = w.Add(testFile) + if err != nil { + t.Fatalf("Failed to add testFile: %v", err) + } + + err = os.Remove(testFile) + if err != nil { + t.Fatalf("Failed to remove testFile: %v", err) + } + + err = w.Remove(testFile) + if err != syscall.EINVAL { + t.Fatalf("Expected EINVAL from Remove, got: %v", err) + } + + err = w.Remove(testFile) + if err == syscall.EINVAL { + t.Fatalf("Got EINVAL again, watch was not removed") + } +} -- cgit v1.2.3-1-g7c22