+++ /dev/null
-// Copyright (c) 2014-2015 The Notify Authors. All rights reserved.
-// Use of this source code is governed by the MIT license that can be
-// found in the LICENSE file.
-
-package notify
-
-import (
- "bufio"
- "fmt"
- "io/ioutil"
- "os"
- "path/filepath"
- "reflect"
- "runtime"
- "sort"
- "strconv"
- "strings"
- "testing"
- "time"
-)
-
-// NOTE(rjeczalik): some useful environment variables:
-//
-// - NOTIFY_DEBUG gives some extra information about generated events
-// - NOTIFY_TIMEOUT allows for changing default wait time for watcher's
-// events
-// - NOTIFY_TMP allows for changing location of temporary directory trees
-// created for test purpose
-
-var wd string
-
-func init() {
- var err error
- if wd, err = os.Getwd(); err != nil {
- panic("Getwd()=" + err.Error())
- }
-}
-
-func timeout() time.Duration {
- if s := os.Getenv("NOTIFY_TIMEOUT"); s != "" {
- if t, err := time.ParseDuration(s); err == nil {
- return t
- }
- }
- return 2 * time.Second
-}
-
-func vfs() (string, string) {
- if s := os.Getenv("NOTIFY_TMP"); s != "" {
- return filepath.Split(s)
- }
- return "testdata", ""
-}
-
-func isDir(path string) bool {
- r := path[len(path)-1]
- return r == '\\' || r == '/'
-}
-
-func tmpcreateall(tmp string, path string) error {
- isdir := isDir(path)
- path = filepath.Join(tmp, filepath.FromSlash(path))
- if isdir {
- if err := os.MkdirAll(path, 0755); err != nil {
- return err
- }
- } else {
- if err := os.MkdirAll(filepath.Dir(path), 0755); err != nil {
- return err
- }
- f, err := os.Create(path)
- if err != nil {
- return err
- }
- if err := nonil(f.Sync(), f.Close()); err != nil {
- return err
- }
- }
- return nil
-}
-
-func tmpcreate(root, path string) (bool, error) {
- isdir := isDir(path)
- path = filepath.Join(root, filepath.FromSlash(path))
- if isdir {
- if err := os.Mkdir(path, 0755); err != nil {
- return false, err
- }
- } else {
- f, err := os.Create(path)
- if err != nil {
- return false, err
- }
- if err := nonil(f.Sync(), f.Close()); err != nil {
- return false, err
- }
- }
- return isdir, nil
-}
-
-func tmptree(root, list string) (string, error) {
- f, err := os.Open(list)
- if err != nil {
- return "", err
- }
- defer f.Close()
- if root == "" {
- if root, err = ioutil.TempDir(vfs()); err != nil {
- return "", err
- }
- }
- scanner := bufio.NewScanner(f)
- for scanner.Scan() {
- if err := tmpcreateall(root, scanner.Text()); err != nil {
- return "", err
- }
- }
- if err := scanner.Err(); err != nil {
- return "", err
- }
- return root, nil
-}
-
-func callern(n int) string {
- _, file, line, ok := runtime.Caller(n)
- if !ok {
- return "<unknown>"
- }
- return filepath.Base(file) + ":" + strconv.Itoa(line)
-}
-
-func caller() string {
- return callern(3)
-}
-
-type WCase struct {
- Action func()
- Events []EventInfo
-}
-
-func (cas WCase) String() string {
- s := make([]string, 0, len(cas.Events))
- for _, ei := range cas.Events {
- s = append(s, "Event("+ei.Event().String()+")@"+filepath.FromSlash(ei.Path()))
- }
- return strings.Join(s, ", ")
-}
-
-type W struct {
- Watcher watcher
- C chan EventInfo
- Timeout time.Duration
-
- t *testing.T
- root string
-}
-
-func newWatcherTest(t *testing.T, tree string) *W {
- root, err := tmptree("", filepath.FromSlash(tree))
- if err != nil {
- t.Fatalf(`tmptree("", %q)=%v`, tree, err)
- }
- Sync()
- return &W{
- t: t,
- root: root,
- }
-}
-
-func NewWatcherTest(t *testing.T, tree string, events ...Event) *W {
- w := newWatcherTest(t, tree)
- if len(events) == 0 {
- events = []Event{Create, Remove, Write, Rename}
- }
- if rw, ok := w.watcher().(recursiveWatcher); ok {
- if err := rw.RecursiveWatch(w.root, joinevents(events)); err != nil {
- t.Fatalf("RecursiveWatch(%q, All)=%v", w.root, err)
- }
- } else {
- fn := func(path string, fi os.FileInfo, err error) error {
- if err != nil {
- return err
- }
- if fi.IsDir() {
- if err := w.watcher().Watch(path, joinevents(events)); err != nil {
- return err
- }
- }
- return nil
- }
- if err := filepath.Walk(w.root, fn); err != nil {
- t.Fatalf("Walk(%q, fn)=%v", w.root, err)
- }
- }
- drainall(w.C)
- return w
-}
-
-func (w *W) clean(path string) string {
- path, isrec, err := cleanpath(filepath.Join(w.root, path))
- if err != nil {
- w.Fatalf("cleanpath(%q)=%v", path, err)
- }
- if isrec {
- path = path + "..."
- }
- return path
-}
-
-func (w *W) Fatal(v interface{}) {
- w.t.Fatalf("%s: %v", caller(), v)
-}
-
-func (w *W) Fatalf(format string, v ...interface{}) {
- w.t.Fatalf("%s: %s", caller(), fmt.Sprintf(format, v...))
-}
-
-func (w *W) Watch(path string, e Event) {
- if err := w.watcher().Watch(w.clean(path), e); err != nil {
- w.Fatalf("Watch(%s, %v)=%v", path, e, err)
- }
-}
-
-func (w *W) Rewatch(path string, olde, newe Event) {
- if err := w.watcher().Rewatch(w.clean(path), olde, newe); err != nil {
- w.Fatalf("Rewatch(%s, %v, %v)=%v", path, olde, newe, err)
- }
-}
-
-func (w *W) Unwatch(path string) {
- if err := w.watcher().Unwatch(w.clean(path)); err != nil {
- w.Fatalf("Unwatch(%s)=%v", path, err)
- }
-}
-
-func (w *W) RecursiveWatch(path string, e Event) {
- rw, ok := w.watcher().(recursiveWatcher)
- if !ok {
- w.Fatal("watcher does not implement recursive watching on this platform")
- }
- if err := rw.RecursiveWatch(w.clean(path), e); err != nil {
- w.Fatalf("RecursiveWatch(%s, %v)=%v", path, e, err)
- }
-}
-
-func (w *W) RecursiveRewatch(oldp, newp string, olde, newe Event) {
- rw, ok := w.watcher().(recursiveWatcher)
- if !ok {
- w.Fatal("watcher does not implement recursive watching on this platform")
- }
- if err := rw.RecursiveRewatch(w.clean(oldp), w.clean(newp), olde, newe); err != nil {
- w.Fatalf("RecursiveRewatch(%s, %s, %v, %v)=%v", oldp, newp, olde, newe, err)
- }
-}
-
-func (w *W) RecursiveUnwatch(path string) {
- rw, ok := w.watcher().(recursiveWatcher)
- if !ok {
- w.Fatal("watcher does not implement recursive watching on this platform")
- }
- if err := rw.RecursiveUnwatch(w.clean(path)); err != nil {
- w.Fatalf("RecursiveUnwatch(%s)=%v", path, err)
- }
-}
-
-func (w *W) initwatcher(buffer int) {
- c := make(chan EventInfo, buffer)
- w.Watcher = newWatcher(c)
- w.C = c
-}
-
-func (w *W) watcher() watcher {
- if w.Watcher == nil {
- w.initwatcher(512)
- }
- return w.Watcher
-}
-
-func (w *W) c() chan EventInfo {
- if w.C == nil {
- w.initwatcher(512)
- }
- return w.C
-}
-
-func (w *W) timeout() time.Duration {
- if w.Timeout != 0 {
- return w.Timeout
- }
- return timeout()
-}
-
-func (w *W) Close() error {
- defer os.RemoveAll(w.root)
- if err := w.watcher().Close(); err != nil {
- w.Fatalf("w.Watcher.Close()=%v", err)
- }
- return nil
-}
-
-func EqualEventInfo(want, got EventInfo) error {
- if got.Event() != want.Event() {
- return fmt.Errorf("want Event()=%v; got %v (path=%s)", want.Event(),
- got.Event(), want.Path())
- }
- path := strings.TrimRight(filepath.FromSlash(want.Path()), `/\`)
- if !strings.HasSuffix(got.Path(), path) {
- return fmt.Errorf("want Path()=%s; got %s (event=%v)", path, got.Path(),
- want.Event())
- }
- return nil
-}
-
-func HasEventInfo(want, got Event, p string) error {
- if got&want != want {
- return fmt.Errorf("want Event=%v; got %v (path=%s)", want,
- got, p)
- }
- return nil
-}
-
-func EqualCall(want, got Call) error {
- if want.F != got.F {
- return fmt.Errorf("want F=%v; got %v (want.P=%q, got.P=%q)", want.F, got.F, want.P, got.P)
- }
- if got.E != want.E {
- return fmt.Errorf("want E=%v; got %v (want.P=%q, got.P=%q)", want.E, got.E, want.P, got.P)
- }
- if got.NE != want.NE {
- return fmt.Errorf("want NE=%v; got %v (want.P=%q, got.P=%q)", want.NE, got.NE, want.P, got.P)
- }
- if want.C != got.C {
- return fmt.Errorf("want C=%p; got %p (want.P=%q, got.P=%q)", want.C, got.C, want.P, got.P)
- }
- if want := filepath.FromSlash(want.P); !strings.HasSuffix(got.P, want) {
- return fmt.Errorf("want P=%s; got %s", want, got.P)
- }
- if want := filepath.FromSlash(want.NP); !strings.HasSuffix(got.NP, want) {
- return fmt.Errorf("want NP=%s; got %s", want, got.NP)
- }
- return nil
-}
-
-func create(w *W, path string) WCase {
- return WCase{
- Action: func() {
- isdir, err := tmpcreate(w.root, filepath.FromSlash(path))
- if err != nil {
- w.Fatalf("tmpcreate(%q, %q)=%v", w.root, path, err)
- }
- if isdir {
- dbgprintf("[FS] os.Mkdir(%q)\n", path)
- } else {
- dbgprintf("[FS] os.Create(%q)\n", path)
- }
- },
- Events: []EventInfo{
- &Call{P: path, E: Create},
- },
- }
-}
-
-func remove(w *W, path string) WCase {
- return WCase{
- Action: func() {
- if err := os.RemoveAll(filepath.Join(w.root, filepath.FromSlash(path))); err != nil {
- w.Fatal(err)
- }
- dbgprintf("[FS] os.Remove(%q)\n", path)
- },
- Events: []EventInfo{
- &Call{P: path, E: Remove},
- },
- }
-}
-
-func rename(w *W, oldpath, newpath string) WCase {
- return WCase{
- Action: func() {
- err := os.Rename(filepath.Join(w.root, filepath.FromSlash(oldpath)),
- filepath.Join(w.root, filepath.FromSlash(newpath)))
- if err != nil {
- w.Fatal(err)
- }
- dbgprintf("[FS] os.Rename(%q, %q)\n", oldpath, newpath)
- },
- Events: []EventInfo{
- &Call{P: newpath, E: Rename},
- },
- }
-}
-
-func write(w *W, path string, p []byte) WCase {
- return WCase{
- Action: func() {
- f, err := os.OpenFile(filepath.Join(w.root, filepath.FromSlash(path)),
- os.O_WRONLY, 0644)
- if err != nil {
- w.Fatalf("OpenFile(%q)=%v", path, err)
- }
- if _, err := f.Write(p); err != nil {
- w.Fatalf("Write(%q)=%v", path, err)
- }
- if err := nonil(f.Sync(), f.Close()); err != nil {
- w.Fatalf("Sync(%q)/Close(%q)=%v", path, path, err)
- }
- dbgprintf("[FS] Write(%q)\n", path)
- },
- Events: []EventInfo{
- &Call{P: path, E: Write},
- },
- }
-}
-
-func drainall(c chan EventInfo) (ei []EventInfo) {
- time.Sleep(50 * time.Millisecond)
- for {
- select {
- case e := <-c:
- ei = append(ei, e)
- runtime.Gosched()
- default:
- return
- }
- }
-}
-
-type WCaseFunc func(i int, cas WCase, ei EventInfo) error
-
-func (w *W) ExpectAnyFunc(cases []WCase, fn WCaseFunc) {
- UpdateWait() // Wait some time before starting the test.
-Test:
- for i, cas := range cases {
- dbgprintf("ExpectAny: i=%d\n", i)
- cas.Action()
- Sync()
- switch cas.Events {
- case nil:
- if ei := drainall(w.C); len(ei) != 0 {
- w.Fatalf("unexpected dangling events: %v (i=%d)", ei, i)
- }
- default:
- select {
- case ei := <-w.C:
- dbgprintf("received: path=%q, event=%v, sys=%v (i=%d)", ei.Path(),
- ei.Event(), ei.Sys(), i)
- for j, want := range cas.Events {
- if err := EqualEventInfo(want, ei); err != nil {
- dbgprint(err, j)
- continue
- }
- if fn != nil {
- if err := fn(i, cas, ei); err != nil {
- w.Fatalf("ExpectAnyFunc(%d, %v)=%v", i, ei, err)
- }
- }
- drainall(w.C) // TODO(rjeczalik): revisit
- continue Test
- }
- w.Fatalf("ExpectAny received an event which does not match any of "+
- "the expected ones (i=%d): want one of %v; got %v", i, cas.Events, ei)
- case <-time.After(w.timeout()):
- w.Fatalf("timed out after %v waiting for one of %v (i=%d)", w.timeout(),
- cas.Events, i)
- }
- drainall(w.C) // TODO(rjeczalik): revisit
- }
- }
-}
-
-func (w *W) ExpectAny(cases []WCase) {
- w.ExpectAnyFunc(cases, nil)
-}
-
-func (w *W) aggregate(ei []EventInfo, pf string) (evs map[string]Event) {
- evs = make(map[string]Event)
- for _, cas := range ei {
- p := cas.Path()
- if pf != "" {
- p = filepath.Join(pf, p)
- }
- evs[p] |= cas.Event()
- }
- return
-}
-
-func (w *W) ExpectAllFunc(cases []WCase) {
- UpdateWait() // Wait some time before starting the test.
- for i, cas := range cases {
- exp := w.aggregate(cas.Events, w.root)
- dbgprintf("ExpectAll: i=%d\n", i)
- cas.Action()
- Sync()
- got := w.aggregate(drainall(w.C), "")
- for ep, ee := range exp {
- ge, ok := got[ep]
- if !ok {
- w.Fatalf("missing events for %q (%v)", ep, ee)
- continue
- }
- delete(got, ep)
- if err := HasEventInfo(ee, ge, ep); err != nil {
- w.Fatalf("ExpectAll received an event which does not match "+
- "the expected ones for %q: want %v; got %v", ep, ee, ge)
- continue
- }
- }
- if len(got) != 0 {
- w.Fatalf("ExpectAll received unexpected events: %v", got)
- }
- }
-}
-
-// ExpectAll requires all requested events to be send.
-// It does not require events to be send in the same order or in the same
-// chunks (e.g. NoteWrite and NoteExtend reported as independent events are
-// treated the same as one NoteWrite|NoteExtend event).
-func (w *W) ExpectAll(cases []WCase) {
- w.ExpectAllFunc(cases)
-}
-
-// FuncType represents enums for Watcher interface.
-type FuncType string
-
-const (
- FuncWatch = FuncType("Watch")
- FuncUnwatch = FuncType("Unwatch")
- FuncRewatch = FuncType("Rewatch")
- FuncRecursiveWatch = FuncType("RecursiveWatch")
- FuncRecursiveUnwatch = FuncType("RecursiveUnwatch")
- FuncRecursiveRewatch = FuncType("RecursiveRewatch")
- FuncStop = FuncType("Stop")
-)
-
-type Chans []chan EventInfo
-
-func NewChans(n int) Chans {
- ch := make([]chan EventInfo, n)
- for i := range ch {
- ch[i] = make(chan EventInfo, buffer)
- }
- return ch
-}
-
-func (c Chans) Foreach(fn func(chan<- EventInfo, node)) {
- for i, ch := range c {
- fn(ch, node{Name: strconv.Itoa(i)})
- }
-}
-
-func (c Chans) Drain() (ei []EventInfo) {
- n := len(c)
- stop := make(chan struct{})
- eich := make(chan EventInfo, n*buffer)
- go func() {
- defer close(eich)
- cases := make([]reflect.SelectCase, n+1)
- for i := range c {
- cases[i].Chan = reflect.ValueOf(c[i])
- cases[i].Dir = reflect.SelectRecv
- }
- cases[n].Chan = reflect.ValueOf(stop)
- cases[n].Dir = reflect.SelectRecv
- for {
- i, v, ok := reflect.Select(cases)
- if i == n {
- return
- }
- if !ok {
- panic("(Chans).Drain(): unexpected chan close")
- }
- eich <- v.Interface().(EventInfo)
- }
- }()
- <-time.After(50 * time.Duration(n) * time.Millisecond)
- close(stop)
- for e := range eich {
- ei = append(ei, e)
- }
- return
-}
-
-// Call represents single call to Watcher issued by the Tree
-// and recorded by a spy Watcher mock.
-type Call struct {
- F FuncType // denotes type of function to call, for both watcher and notifier interface
- C chan EventInfo // user channel being an argument to either Watch or Stop function
- P string // regular Path argument and old path from RecursiveRewatch call
- NP string // new Path argument from RecursiveRewatch call
- E Event // regular Event argument and old Event from a Rewatch call
- NE Event // new Event argument from Rewatch call
- S interface{} // when Call is used as EventInfo, S is a value of Sys()
- Dir bool // when Call is used as EventInfo, Dir is a value of isDir()
-}
-
-// Call implements the EventInfo interface.
-func (c *Call) Event() Event { return c.E }
-func (c *Call) Path() string { return c.P }
-func (c *Call) String() string { return fmt.Sprintf("%#v", c) }
-func (c *Call) Sys() interface{} { return c.S }
-func (c *Call) isDir() (bool, error) { return c.Dir, nil }
-
-// CallSlice is a convenient wrapper for a slice of Call values, which allows
-// to sort them in ascending order.
-type CallSlice []Call
-
-// CallSlice implements sort.Interface inteface.
-func (cs CallSlice) Len() int { return len(cs) }
-func (cs CallSlice) Less(i, j int) bool { return cs[i].P < cs[j].P }
-func (cs CallSlice) Swap(i, j int) { cs[i], cs[j] = cs[j], cs[i] }
-func (cs CallSlice) Sort() { sort.Sort(cs) }
-
-// Spy is a mock for Watcher interface, which records every call.
-type Spy []Call
-
-func (s *Spy) Close() (_ error) { return }
-
-func (s *Spy) Watch(p string, e Event) (_ error) {
- dbgprintf("%s: (*Spy).Watch(%q, %v)", caller(), p, e)
- *s = append(*s, Call{F: FuncWatch, P: p, E: e})
- return
-}
-
-func (s *Spy) Unwatch(p string) (_ error) {
- dbgprintf("%s: (*Spy).Unwatch(%q)", caller(), p)
- *s = append(*s, Call{F: FuncUnwatch, P: p})
- return
-}
-
-func (s *Spy) Rewatch(p string, olde, newe Event) (_ error) {
- dbgprintf("%s: (*Spy).Rewatch(%q, %v, %v)", caller(), p, olde, newe)
- *s = append(*s, Call{F: FuncRewatch, P: p, E: olde, NE: newe})
- return
-}
-
-func (s *Spy) RecursiveWatch(p string, e Event) (_ error) {
- dbgprintf("%s: (*Spy).RecursiveWatch(%q, %v)", caller(), p, e)
- *s = append(*s, Call{F: FuncRecursiveWatch, P: p, E: e})
- return
-}
-
-func (s *Spy) RecursiveUnwatch(p string) (_ error) {
- dbgprintf("%s: (*Spy).RecursiveUnwatch(%q)", caller(), p)
- *s = append(*s, Call{F: FuncRecursiveUnwatch, P: p})
- return
-}
-
-func (s *Spy) RecursiveRewatch(oldp, newp string, olde, newe Event) (_ error) {
- dbgprintf("%s: (*Spy).RecursiveRewatch(%q, %q, %v, %v)", caller(), oldp, newp, olde, newe)
- *s = append(*s, Call{F: FuncRecursiveRewatch, P: oldp, NP: newp, E: olde, NE: newe})
- return
-}
-
-type RCase struct {
- Call Call
- Record []Call
-}
-
-type TCase struct {
- Event Call
- Receiver Chans
-}
-
-type NCase struct {
- Event WCase
- Receiver Chans
-}
-
-type N struct {
- Timeout time.Duration
-
- t *testing.T
- tree tree
- w *W
- spy *Spy
- c chan EventInfo
- j int // spy offset
-
- realroot string
-}
-
-func newN(t *testing.T, tree string) *N {
- n := &N{
- t: t,
- w: newWatcherTest(t, tree),
- }
- realroot, err := canonical(n.w.root)
- if err != nil {
- t.Fatalf("%s: unexpected fixture failure: %v", caller(), err)
- }
- n.realroot = realroot
- return n
-}
-
-func newTreeN(t *testing.T, tree string) *N {
- c := make(chan EventInfo, buffer)
- n := newN(t, tree)
- n.spy = &Spy{}
- n.w.Watcher = n.spy
- n.w.C = c
- n.c = c
- return n
-}
-
-func NewNotifyTest(t *testing.T, tree string) *N {
- n := newN(t, tree)
- if rw, ok := n.w.watcher().(recursiveWatcher); ok {
- n.tree = newRecursiveTree(rw, n.w.c())
- } else {
- n.tree = newNonrecursiveTree(n.w.watcher(), n.w.c(), nil)
- }
- return n
-}
-
-func NewRecursiveTreeTest(t *testing.T, tree string) *N {
- n := newTreeN(t, tree)
- n.tree = newRecursiveTree(n.spy, n.c)
- return n
-}
-
-func NewNonrecursiveTreeTest(t *testing.T, tree string) *N {
- n := newTreeN(t, tree)
- n.tree = newNonrecursiveTree(n.spy, n.c, nil)
- return n
-}
-
-func NewNonrecursiveTreeTestC(t *testing.T, tree string) (*N, chan EventInfo) {
- rec := make(chan EventInfo, buffer)
- recinternal := make(chan EventInfo, buffer)
- recuser := make(chan EventInfo, buffer)
- go func() {
- for ei := range rec {
- select {
- case recinternal <- ei:
- default:
- t.Fatalf("failed to send ei to recinternal: not ready")
- }
- select {
- case recuser <- ei:
- default:
- t.Fatalf("failed to send ei to recuser: not ready")
- }
- }
- }()
- n := newTreeN(t, tree)
- tr := newNonrecursiveTree(n.spy, n.c, recinternal)
- tr.rec = rec
- n.tree = tr
- return n, recuser
-}
-
-func (n *N) timeout() time.Duration {
- if n.Timeout != 0 {
- return n.Timeout
- }
- return n.w.timeout()
-}
-
-func (n *N) W() *W {
- return n.w
-}
-
-func (n *N) Close() error {
- defer os.RemoveAll(n.w.root)
- if err := n.tree.Close(); err != nil {
- n.w.Fatalf("(notifier).Close()=%v", err)
- }
- return nil
-}
-
-func (n *N) Watch(path string, c chan<- EventInfo, events ...Event) {
- UpdateWait() // we need to wait on Windows because of its asynchronous watcher.
- path = filepath.Join(n.w.root, path)
- if err := n.tree.Watch(path, c, events...); err != nil {
- n.t.Errorf("Watch(%s, %p, %v)=%v", path, c, events, err)
- }
-}
-
-func (n *N) WatchErr(path string, c chan<- EventInfo, err error, events ...Event) {
- path = filepath.Join(n.w.root, path)
- switch e := n.tree.Watch(path, c, events...); {
- case err == nil && e == nil:
- n.t.Errorf("Watch(%s, %p, %v)=nil", path, c, events)
- case err != nil && e != err:
- n.t.Errorf("Watch(%s, %p, %v)=%v != %v", path, c, events, e, err)
- }
-}
-
-func (n *N) Stop(c chan<- EventInfo) {
- n.tree.Stop(c)
-}
-
-func (n *N) Call(calls ...Call) {
- for i := range calls {
- switch calls[i].F {
- case FuncWatch:
- n.Watch(calls[i].P, calls[i].C, calls[i].E)
- case FuncStop:
- n.Stop(calls[i].C)
- default:
- panic("unsupported call type: " + string(calls[i].F))
- }
- }
-}
-
-func (n *N) expectDry(ch Chans, i int) {
- if ei := ch.Drain(); len(ei) != 0 {
- n.w.Fatalf("unexpected dangling events: %v (i=%d)", ei, i)
- }
-}
-
-func (n *N) ExpectRecordedCalls(cases []RCase) {
- for i, cas := range cases {
- dbgprintf("ExpectRecordedCalls: i=%d\n", i)
- n.Call(cas.Call)
- record := (*n.spy)[n.j:]
- if len(cas.Record) == 0 && len(record) == 0 {
- continue
- }
- n.j = len(*n.spy)
- if len(record) != len(cas.Record) {
- n.t.Fatalf("%s: want len(record)=%d; got %d [%+v] (i=%d)", caller(),
- len(cas.Record), len(record), record, i)
- }
- CallSlice(record).Sort()
- for j := range cas.Record {
- if err := EqualCall(cas.Record[j], record[j]); err != nil {
- n.t.Fatalf("%s: %v (i=%d, j=%d)", caller(), err, i, j)
- }
- }
- }
-}
-
-func (n *N) collect(ch Chans) <-chan []EventInfo {
- done := make(chan []EventInfo)
- go func() {
- cases := make([]reflect.SelectCase, len(ch))
- unique := make(map[<-chan EventInfo]EventInfo, len(ch))
- for i := range ch {
- cases[i].Chan = reflect.ValueOf(ch[i])
- cases[i].Dir = reflect.SelectRecv
- }
- for i := len(cases); i != 0; i = len(cases) {
- j, v, ok := reflect.Select(cases)
- if !ok {
- n.t.Fatal("unexpected chan close")
- }
- ch := cases[j].Chan.Interface().(chan EventInfo)
- got := v.Interface().(EventInfo)
- if ei, ok := unique[ch]; ok {
- n.t.Fatalf("duplicated event %v (previous=%v) received on collect", got, ei)
- }
- unique[ch] = got
- cases[j], cases = cases[i-1], cases[:i-1]
- }
- collected := make([]EventInfo, 0, len(ch))
- for _, ch := range unique {
- collected = append(collected, ch)
- }
- done <- collected
- }()
- return done
-}
-
-func (n *N) abs(rel Call) *Call {
- rel.P = filepath.Join(n.realroot, filepath.FromSlash(rel.P))
- if !filepath.IsAbs(rel.P) {
- rel.P = filepath.Join(wd, rel.P)
- }
- return &rel
-}
-
-func (n *N) ExpectTreeEvents(cases []TCase, all Chans) {
- for i, cas := range cases {
- dbgprintf("ExpectTreeEvents: i=%d\n", i)
- // Ensure there're no dangling event left by previous test-case.
- n.expectDry(all, i)
- n.c <- n.abs(cas.Event)
- switch cas.Receiver {
- case nil:
- n.expectDry(all, i)
- default:
- ch := n.collect(cas.Receiver)
- select {
- case collected := <-ch:
- for _, got := range collected {
- if err := EqualEventInfo(&cas.Event, got); err != nil {
- n.w.Fatalf("%s: %s (i=%d)", caller(), err, i)
- }
- }
- case <-time.After(n.timeout()):
- n.w.Fatalf("ExpectTreeEvents has timed out after %v waiting for"+
- " %v on %s (i=%d)", n.timeout(), cas.Event.E, cas.Event.P, i)
- }
-
- }
- }
- n.expectDry(all, -1)
-}
-
-func (n *N) ExpectNotifyEvents(cases []NCase, all Chans) {
- UpdateWait() // Wait some time before starting the test.
- for i, cas := range cases {
- dbgprintf("ExpectNotifyEvents: i=%d\n", i)
- cas.Event.Action()
- Sync()
- switch cas.Receiver {
- case nil:
- n.expectDry(all, i)
- default:
- ch := n.collect(cas.Receiver)
- select {
- case collected := <-ch:
- Compare:
- for j, ei := range collected {
- dbgprintf("received: path=%q, event=%v, sys=%v (i=%d, j=%d)", ei.Path(),
- ei.Event(), ei.Sys(), i, j)
- for _, want := range cas.Event.Events {
- if err := EqualEventInfo(want, ei); err != nil {
- dbgprint(err, j)
- continue
- }
- continue Compare
- }
- n.w.Fatalf("ExpectNotifyEvents received an event which does not"+
- " match any of the expected ones (i=%d): want one of %v; got %v", i,
- cas.Event.Events, ei)
- }
- case <-time.After(n.timeout()):
- n.w.Fatalf("ExpectNotifyEvents did not receive any of the expected events [%v] "+
- "after %v (i=%d)", cas.Event, n.timeout(), i)
- }
- }
- }
- n.expectDry(all, -1)
-}
-
-func (n *N) Walk(fn walkFunc) {
- switch t := n.tree.(type) {
- case *recursiveTree:
- if err := t.root.Walk("", fn); err != nil {
- n.w.Fatal(err)
- }
- case *nonrecursiveTree:
- if err := t.root.Walk("", fn); err != nil {
- n.w.Fatal(err)
- }
- default:
- n.t.Fatal("unknown tree type")
- }
-}
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