mirror of
https://github.com/DominicBreuker/pspy.git
synced 2025-12-21 03:34:50 +00:00
74 lines
1.4 KiB
Go
74 lines
1.4 KiB
Go
package inotify
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import (
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"fmt"
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"io/ioutil"
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"os"
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"strings"
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"testing"
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"golang.org/x/sys/unix"
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)
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func TestInotify(t *testing.T) {
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// init
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i := NewInotify()
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err := i.Init()
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expectNoError(t, err)
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// add watchers
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err = i.Watch("testdata/folder")
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expectNoError(t, err)
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err = i.Watch("testdata/non-existing-folder")
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if fmt.Sprintf("%v", err) != "adding watch to testdata/non-existing-folder: errno: 2" {
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t.Errorf("Wrong error for non-existing-folder: got %v", err)
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}
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numW := i.NumWatchers()
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if numW != 1 {
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t.Errorf("Expected 1 watcher but have %d", numW)
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}
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// create and parse events
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err = ioutil.WriteFile("testdata/folder/f1", []byte("file content"), 0644)
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expectNoError(t, err)
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defer os.Remove("testdata/folder/f1")
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buf := make([]byte, 5*unix.SizeofInotifyEvent)
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_, err = i.Read(buf)
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expectNoError(t, err)
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e, offset, err := i.ParseNextEvent(buf[0:])
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expectNoError(t, err)
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if e.Name != "testdata/folder/f1" {
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t.Fatalf("Wrong event name: %s", e.Name)
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}
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if e.Op != "CREATE" {
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t.Fatalf("Wrong op: %s", e.Op)
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}
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if offset != 32 {
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t.Fatalf("Wrong offset: %d", offset)
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}
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// finish
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err = i.Close()
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expectNoError(t, err)
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_, err = i.Read(buf)
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if !strings.HasSuffix(fmt.Sprintf("%v", err), "errno: 9") {
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t.Errorf("Wrong error for reading after close: got %v", err)
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}
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}
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func expectNoError(t *testing.T, err error) {
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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}
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