hanayo/vendor/github.com/rjeczalik/notify/watcher_fsevents_test.go
2019-02-23 13:29:15 +00:00

112 lines
2.6 KiB
Go

// 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.
// +build darwin,!kqueue
package notify
import (
"reflect"
"testing"
)
func TestSplitflags(t *testing.T) {
cases := [...]struct {
set uint32
flags []uint32
}{
{0, nil},
{0xD, []uint32{0x1, 0x4, 0x8}},
{0x0010 | 0x0040 | 0x0080 | 0x01000, []uint32{0x0010, 0x0040, 0x0080, 0x01000}},
{0x40000 | 0x00100 | 0x00200, []uint32{0x00100, 0x00200, 0x40000}},
}
for i, cas := range cases {
if flags := splitflags(cas.set); !reflect.DeepEqual(flags, cas.flags) {
t.Errorf("want flags=%v; got %v (i=%d)", cas.flags, flags, i)
}
}
}
func TestWatchStrip(t *testing.T) {
const (
create = uint32(FSEventsCreated)
remove = uint32(FSEventsRemoved)
rename = uint32(FSEventsRenamed)
write = uint32(FSEventsModified)
inode = uint32(FSEventsInodeMetaMod)
owner = uint32(FSEventsChangeOwner)
)
cases := [...][]struct {
path string
flag uint32
diff uint32
}{
// 1.
{
{"file", create | write, create | write},
{"file", create | write | inode, write | inode},
},
// 2.
{
{"file", create, create},
{"file", create | remove, remove},
{"file", create | remove, create},
},
// 3.
{
{"file", create | write, create | write},
{"file", create | write | owner, write | owner},
},
// 4.
{
{"file", create | write, create | write},
{"file", write | inode, write | inode},
{"file", remove | write | inode, remove},
},
{
{"file", remove | write | inode, remove},
},
}
Test:
for i, cas := range cases {
if len(cas) == 0 {
t.Log("skipped")
continue
}
w := &watch{prev: make(map[string]uint32)}
for j, cas := range cas {
if diff := w.strip(cas.path, cas.flag); diff != cas.diff {
t.Errorf("want diff=%v; got %v (i=%d, j=%d)", Event(cas.diff),
Event(diff), i, j)
continue Test
}
}
}
}
// Test for cases 3) and 5) with shadowed write&create events.
//
// See comment for (flagdiff).diff method.
func TestWatcherShadowedWriteCreate(t *testing.T) {
w := NewWatcherTest(t, "testdata/vfs.txt")
defer w.Close()
cases := [...]WCase{
// i=0
create(w, "src/github.com/rjeczalik/fs/.fs.go.swp"),
// i=1
write(w, "src/github.com/rjeczalik/fs/.fs.go.swp", []byte("XD")),
// i=2
write(w, "src/github.com/rjeczalik/fs/.fs.go.swp", []byte("XD")),
// i=3
remove(w, "src/github.com/rjeczalik/fs/.fs.go.swp"),
// i=4
create(w, "src/github.com/rjeczalik/fs/.fs.go.swp"),
// i=5
write(w, "src/github.com/rjeczalik/fs/.fs.go.swp", []byte("XD")),
}
w.ExpectAny(cases[:5]) // BUG(rjeczalik): #62
}