mirror of
https://github.com/strukturag/nextcloud-spreed-signaling
synced 2024-06-15 20:25:12 +02:00
309 lines
7.5 KiB
Go
309 lines
7.5 KiB
Go
/**
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* Standalone signaling server for the Nextcloud Spreed app.
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* Copyright (C) 2024 struktur AG
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*
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* @author Joachim Bauch <bauch@struktur.de>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package signaling
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import (
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"context"
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"errors"
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"os"
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"path"
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"testing"
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)
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var (
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testWatcherNoEventTimeout = 2 * defaultDeduplicateWatchEvents
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)
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func TestFileWatcher_NotExist(t *testing.T) {
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tmpdir := t.TempDir()
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w, err := NewFileWatcher(path.Join(tmpdir, "test.txt"), func(filename string) {})
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if err == nil {
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t.Error("should not be able to watch non-existing files")
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if err := w.Close(); err != nil {
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t.Error(err)
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}
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} else if !errors.Is(err, os.ErrNotExist) {
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t.Error(err)
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}
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}
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func TestFileWatcher_File(t *testing.T) {
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tmpdir := t.TempDir()
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filename := path.Join(tmpdir, "test.txt")
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if err := os.WriteFile(filename, []byte("Hello world!"), 0644); err != nil {
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t.Fatal(err)
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}
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modified := make(chan struct{})
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w, err := NewFileWatcher(filename, func(filename string) {
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modified <- struct{}{}
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})
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if err != nil {
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t.Fatal(err)
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}
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defer w.Close()
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if err := os.WriteFile(filename, []byte("Updated"), 0644); err != nil {
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t.Fatal(err)
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}
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<-modified
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ctxTimeout, cancel := context.WithTimeout(context.Background(), testWatcherNoEventTimeout)
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defer cancel()
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select {
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case <-modified:
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t.Error("should not have received another event")
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case <-ctxTimeout.Done():
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}
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if err := os.WriteFile(filename, []byte("Updated"), 0644); err != nil {
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t.Fatal(err)
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}
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<-modified
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ctxTimeout, cancel = context.WithTimeout(context.Background(), testWatcherNoEventTimeout)
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defer cancel()
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select {
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case <-modified:
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t.Error("should not have received another event")
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case <-ctxTimeout.Done():
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}
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}
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func TestFileWatcher_Rename(t *testing.T) {
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tmpdir := t.TempDir()
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filename := path.Join(tmpdir, "test.txt")
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if err := os.WriteFile(filename, []byte("Hello world!"), 0644); err != nil {
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t.Fatal(err)
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}
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modified := make(chan struct{})
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w, err := NewFileWatcher(filename, func(filename string) {
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modified <- struct{}{}
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})
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if err != nil {
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t.Fatal(err)
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}
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defer w.Close()
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filename2 := path.Join(tmpdir, "test.txt.tmp")
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if err := os.WriteFile(filename2, []byte("Updated"), 0644); err != nil {
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t.Fatal(err)
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}
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ctxTimeout, cancel := context.WithTimeout(context.Background(), testWatcherNoEventTimeout)
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defer cancel()
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select {
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case <-modified:
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t.Error("should not have received another event")
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case <-ctxTimeout.Done():
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}
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if err := os.Rename(filename2, filename); err != nil {
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t.Fatal(err)
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}
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<-modified
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ctxTimeout, cancel = context.WithTimeout(context.Background(), testWatcherNoEventTimeout)
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defer cancel()
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select {
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case <-modified:
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t.Error("should not have received another event")
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case <-ctxTimeout.Done():
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}
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}
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func TestFileWatcher_Symlink(t *testing.T) {
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tmpdir := t.TempDir()
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sourceFilename := path.Join(tmpdir, "test1.txt")
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if err := os.WriteFile(sourceFilename, []byte("Hello world!"), 0644); err != nil {
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t.Fatal(err)
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}
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filename := path.Join(tmpdir, "symlink.txt")
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if err := os.Symlink(sourceFilename, filename); err != nil {
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t.Fatal(err)
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}
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modified := make(chan struct{})
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w, err := NewFileWatcher(filename, func(filename string) {
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modified <- struct{}{}
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})
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if err != nil {
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t.Fatal(err)
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}
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defer w.Close()
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if err := os.WriteFile(sourceFilename, []byte("Updated"), 0644); err != nil {
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t.Fatal(err)
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}
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<-modified
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ctxTimeout, cancel := context.WithTimeout(context.Background(), testWatcherNoEventTimeout)
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defer cancel()
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select {
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case <-modified:
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t.Error("should not have received another event")
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case <-ctxTimeout.Done():
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}
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}
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func TestFileWatcher_ChangeSymlinkTarget(t *testing.T) {
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tmpdir := t.TempDir()
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sourceFilename1 := path.Join(tmpdir, "test1.txt")
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if err := os.WriteFile(sourceFilename1, []byte("Hello world!"), 0644); err != nil {
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t.Fatal(err)
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}
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sourceFilename2 := path.Join(tmpdir, "test2.txt")
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if err := os.WriteFile(sourceFilename2, []byte("Updated"), 0644); err != nil {
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t.Fatal(err)
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}
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filename := path.Join(tmpdir, "symlink.txt")
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if err := os.Symlink(sourceFilename1, filename); err != nil {
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t.Fatal(err)
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}
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modified := make(chan struct{})
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w, err := NewFileWatcher(filename, func(filename string) {
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modified <- struct{}{}
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})
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if err != nil {
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t.Fatal(err)
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}
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defer w.Close()
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// Replace symlink by creating new one and rename it to the original target.
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if err := os.Symlink(sourceFilename2, filename+".tmp"); err != nil {
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t.Fatal(err)
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}
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if err := os.Rename(filename+".tmp", filename); err != nil {
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t.Fatal(err)
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}
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<-modified
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ctxTimeout, cancel := context.WithTimeout(context.Background(), testWatcherNoEventTimeout)
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defer cancel()
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select {
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case <-modified:
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t.Error("should not have received another event")
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case <-ctxTimeout.Done():
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}
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}
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func TestFileWatcher_OtherSymlink(t *testing.T) {
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tmpdir := t.TempDir()
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sourceFilename1 := path.Join(tmpdir, "test1.txt")
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if err := os.WriteFile(sourceFilename1, []byte("Hello world!"), 0644); err != nil {
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t.Fatal(err)
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}
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sourceFilename2 := path.Join(tmpdir, "test2.txt")
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if err := os.WriteFile(sourceFilename2, []byte("Updated"), 0644); err != nil {
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t.Fatal(err)
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}
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filename := path.Join(tmpdir, "symlink.txt")
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if err := os.Symlink(sourceFilename1, filename); err != nil {
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t.Fatal(err)
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}
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modified := make(chan struct{})
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w, err := NewFileWatcher(filename, func(filename string) {
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modified <- struct{}{}
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})
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if err != nil {
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t.Fatal(err)
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}
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defer w.Close()
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if err := os.Symlink(sourceFilename2, filename+".tmp"); err != nil {
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t.Fatal(err)
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}
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ctxTimeout, cancel := context.WithTimeout(context.Background(), testWatcherNoEventTimeout)
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defer cancel()
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select {
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case <-modified:
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t.Error("should not have received event for other symlink")
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case <-ctxTimeout.Done():
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}
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}
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func TestFileWatcher_RenameSymlinkTarget(t *testing.T) {
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tmpdir := t.TempDir()
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sourceFilename1 := path.Join(tmpdir, "test1.txt")
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if err := os.WriteFile(sourceFilename1, []byte("Hello world!"), 0644); err != nil {
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t.Fatal(err)
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}
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filename := path.Join(tmpdir, "test.txt")
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if err := os.Symlink(sourceFilename1, filename); err != nil {
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t.Fatal(err)
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}
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modified := make(chan struct{})
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w, err := NewFileWatcher(filename, func(filename string) {
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modified <- struct{}{}
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})
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if err != nil {
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t.Fatal(err)
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}
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defer w.Close()
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sourceFilename2 := path.Join(tmpdir, "test1.txt.tmp")
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if err := os.WriteFile(sourceFilename2, []byte("Updated"), 0644); err != nil {
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t.Fatal(err)
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}
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ctxTimeout, cancel := context.WithTimeout(context.Background(), testWatcherNoEventTimeout)
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defer cancel()
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select {
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case <-modified:
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t.Error("should not have received another event")
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case <-ctxTimeout.Done():
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}
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if err := os.Rename(sourceFilename2, sourceFilename1); err != nil {
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t.Fatal(err)
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}
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<-modified
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ctxTimeout, cancel = context.WithTimeout(context.Background(), testWatcherNoEventTimeout)
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defer cancel()
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select {
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case <-modified:
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t.Error("should not have received another event")
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case <-ctxTimeout.Done():
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}
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}
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