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-rw-r--r--plugins/reload/tests/watcher_test.go675
1 files changed, 675 insertions, 0 deletions
diff --git a/plugins/reload/tests/watcher_test.go b/plugins/reload/tests/watcher_test.go
new file mode 100644
index 00000000..6a4521a4
--- /dev/null
+++ b/plugins/reload/tests/watcher_test.go
@@ -0,0 +1,675 @@
+package tests
+
+import (
+ "fmt"
+ "io"
+ "io/ioutil"
+ "os"
+ "path/filepath"
+ "runtime"
+ "strings"
+ "testing"
+ "time"
+
+ "github.com/spiral/errors"
+ "github.com/spiral/roadrunner/v2/plugins/reload"
+)
+
+var testServiceName = "test"
+
+// scenario
+// Create walker instance, init with default config, check that Watcher found all files from config
+func Test_Correct_Watcher_Init(t *testing.T) {
+ tempDir, err := ioutil.TempDir(".", "")
+ defer func() {
+ err = freeResources(tempDir)
+ if err != nil {
+ t.Fatal(err)
+ }
+ }()
+ if err != nil {
+ t.Fatal(err)
+ }
+ err = ioutil.WriteFile(filepath.Join(tempDir, "file.txt"), //nolint:gosec
+ []byte{}, 0755)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ wc := reload.WatcherConfig{
+ ServiceName: testServiceName,
+ Recursive: false,
+ Directories: []string{tempDir},
+ FilterHooks: nil,
+ Files: make(map[string]os.FileInfo),
+ Ignored: nil,
+ FilePatterns: nil,
+ }
+
+ w, err := reload.NewWatcher([]reload.WatcherConfig{wc})
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ if len(w.GetAllFiles(testServiceName)) != 2 {
+ t.Fatal("incorrect directories len")
+ }
+}
+
+// scenario
+// create 3 files, create walker instance
+// Start poll events
+// change file and see, if event had come to handler
+func Test_Get_FileEvent(t *testing.T) {
+ tempDir, err := ioutil.TempDir(".", "")
+ c := make(chan struct{})
+ defer func(name string) {
+ err = freeResources(name)
+ if err != nil {
+ c <- struct{}{}
+ t.Fatal(err)
+ }
+ c <- struct{}{}
+ }(tempDir)
+
+ if err != nil {
+ t.Fatal(err)
+ }
+ err = ioutil.WriteFile(filepath.Join(tempDir, "file1.txt"), //nolint:gosec
+ []byte{}, 0755)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ err = ioutil.WriteFile(filepath.Join(tempDir, "file2.txt"), //nolint:gosec
+ []byte{}, 0755)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ err = ioutil.WriteFile(filepath.Join(tempDir, "file3.txt"), //nolint:gosec
+ []byte{}, 0755)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ wc := reload.WatcherConfig{
+ ServiceName: testServiceName,
+ Recursive: false,
+ Directories: []string{tempDir},
+ FilterHooks: nil,
+ Files: make(map[string]os.FileInfo),
+ Ignored: nil,
+ FilePatterns: []string{"aaa", "txt"},
+ }
+
+ w, err := reload.NewWatcher([]reload.WatcherConfig{wc})
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ // should be 3 files and directory
+ if len(w.GetAllFiles(testServiceName)) != 4 {
+ t.Fatal("incorrect directories len")
+ }
+
+ go limitTime(time.Second*10, t.Name(), c)
+
+ go func() {
+ go func() {
+ time.Sleep(time.Second)
+ err2 := ioutil.WriteFile(filepath.Join(tempDir, "file2.txt"), //nolint:gosec
+ []byte{1, 1, 1}, 0755)
+ if err2 != nil {
+ panic(err2)
+ }
+ runtime.Goexit()
+ }()
+
+ go func() {
+ for e := range w.Event {
+ if e.Path != "file2.txt" {
+ panic("didn't handle event when write file2")
+ }
+ w.Stop()
+ }
+ }()
+ }()
+
+ err = w.StartPolling(time.Second)
+ if err != nil {
+ t.Fatal(err)
+ }
+}
+
+// scenario
+// create 3 files with different extensions, create walker instance
+// Start poll events
+// change file with txt extension, and see, if event had not come to handler because it was filtered
+func Test_FileExtensionFilter(t *testing.T) {
+ tempDir, err := ioutil.TempDir(".", "")
+ c := make(chan struct{})
+ defer func(name string) {
+ err = freeResources(name)
+ if err != nil {
+ c <- struct{}{}
+ t.Fatal(err)
+ }
+ c <- struct{}{}
+ }(tempDir)
+
+ if err != nil {
+ t.Fatal(err)
+ }
+ err = ioutil.WriteFile(filepath.Join(tempDir, "file1.aaa"), //nolint:gosec
+ []byte{}, 0755)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ err = ioutil.WriteFile(filepath.Join(tempDir, "file2.bbb"), //nolint:gosec
+ []byte{}, 0755)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ err = ioutil.WriteFile(filepath.Join(tempDir, "file3.txt"), //nolint:gosec
+ []byte{}, 0755)
+ if err != nil {
+ t.Fatal(err)
+ }
+ wc := reload.WatcherConfig{
+ ServiceName: testServiceName,
+ Recursive: false,
+ Directories: []string{tempDir},
+ FilterHooks: func(filename string, patterns []string) error {
+ for i := 0; i < len(patterns); i++ {
+ if strings.Contains(filename, patterns[i]) {
+ return nil
+ }
+ }
+ return errors.E(errors.Skip)
+ },
+ Files: make(map[string]os.FileInfo),
+ Ignored: nil,
+ FilePatterns: []string{"aaa", "bbb"},
+ }
+
+ w, err := reload.NewWatcher([]reload.WatcherConfig{wc})
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ dirLen := len(w.GetAllFiles(testServiceName))
+ // should be 2 files (one filtered) and directory
+ if dirLen != 3 {
+ t.Fatalf("incorrect directories len, len is: %d", dirLen)
+ }
+
+ go limitTime(time.Second*5, t.Name(), c)
+
+ go func() {
+ go func() {
+ err2 := ioutil.WriteFile(filepath.Join(tempDir, "file3.txt"), //nolint:gosec
+ []byte{1, 1, 1}, 0755)
+ if err2 != nil {
+ panic(err2)
+ }
+
+ runtime.Goexit()
+ }()
+
+ go func() {
+ for e := range w.Event {
+ fmt.Println(e.Info.Name())
+ panic("handled event from filtered file")
+ }
+ }()
+ w.Stop()
+ runtime.Goexit()
+ }()
+
+ err = w.StartPolling(time.Second)
+ if err != nil {
+ t.Fatal(err)
+ }
+}
+
+// nested
+// scenario
+// create dir and nested dir
+// make files with aaa, bbb and txt extensions, filter txt
+// change not filtered file, handle event
+func Test_Recursive_Support(t *testing.T) {
+ tempDir, err := ioutil.TempDir(".", "")
+ defer func() {
+ err = freeResources(tempDir)
+ if err != nil {
+ t.Fatal(err)
+ }
+ }()
+
+ nestedDir, err := ioutil.TempDir(tempDir, "nested")
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ err = ioutil.WriteFile(filepath.Join(tempDir, "file1.aaa"), //nolint:gosec
+ []byte{}, 0755)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ err = ioutil.WriteFile(filepath.Join(tempDir, "file2.bbb"), //nolint:gosec
+ []byte{}, 0755)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ err = ioutil.WriteFile(filepath.Join(nestedDir, "file3.txt"), //nolint:gosec
+ []byte{}, 0755)
+ if err != nil {
+ t.Fatal(err)
+ }
+ err = ioutil.WriteFile(filepath.Join(nestedDir, "file4.aaa"), //nolint:gosec
+ []byte{}, 0755)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ wc := reload.WatcherConfig{
+ ServiceName: testServiceName,
+ Recursive: true,
+ Directories: []string{tempDir},
+ FilterHooks: func(filename string, patterns []string) error {
+ for i := 0; i < len(patterns); i++ {
+ if strings.Contains(filename, patterns[i]) {
+ return nil
+ }
+ }
+ return errors.E(errors.Skip)
+ },
+ Files: make(map[string]os.FileInfo),
+ Ignored: nil,
+ FilePatterns: []string{"aaa", "bbb"},
+ }
+
+ w, err := reload.NewWatcher([]reload.WatcherConfig{wc})
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ dirLen := len(w.GetAllFiles(testServiceName))
+ // should be 3 files (2 from root dir, and 1 from nested), filtered txt
+ if dirLen != 3 {
+ t.Fatalf("incorrect directories len, len is: %d", dirLen)
+ }
+
+ go func() {
+ // time sleep is used here because StartPolling is blocking operation
+ time.Sleep(time.Second * 5)
+ // change file in nested directory
+ err = ioutil.WriteFile(filepath.Join(nestedDir, "file4.aaa"), //nolint:gosec
+ []byte{1, 1, 1}, 0755)
+ if err != nil {
+ panic(err)
+ }
+ go func() {
+ for e := range w.Event {
+ if e.Info.Name() != "file4.aaa" {
+ panic("wrong handled event from watcher in nested dir")
+ }
+ w.Stop()
+ }
+ }()
+ }()
+
+ err = w.StartPolling(time.Second)
+ if err != nil {
+ t.Fatal(err)
+ }
+}
+
+func Test_Wrong_Dir(t *testing.T) {
+ // no such file or directory
+ wrongDir := "askdjfhaksdlfksdf"
+
+ wc := reload.WatcherConfig{
+ ServiceName: testServiceName,
+ Recursive: true,
+ Directories: []string{wrongDir},
+ FilterHooks: func(filename string, patterns []string) error {
+ for i := 0; i < len(patterns); i++ {
+ if strings.Contains(filename, patterns[i]) {
+ return nil
+ }
+ }
+ return errors.E(errors.Skip)
+ },
+ Files: make(map[string]os.FileInfo),
+ Ignored: nil,
+ FilePatterns: []string{"aaa", "bbb"},
+ }
+
+ _, err := reload.NewWatcher([]reload.WatcherConfig{wc})
+ if err == nil {
+ t.Fatal(err)
+ }
+}
+
+func Test_Filter_Directory(t *testing.T) {
+ tempDir, err := ioutil.TempDir(".", "")
+ c := make(chan struct{})
+ defer func(name string) {
+ err = freeResources(name)
+ if err != nil {
+ c <- struct{}{}
+ t.Fatal(err)
+ }
+ c <- struct{}{}
+ }(tempDir)
+
+ go limitTime(time.Second*10, t.Name(), c)
+
+ nestedDir, err := ioutil.TempDir(tempDir, "nested")
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ err = ioutil.WriteFile(filepath.Join(tempDir, "file1.aaa"), //nolint:gosec
+ []byte{}, 0755)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ err = ioutil.WriteFile(filepath.Join(tempDir, "file2.bbb"), //nolint:gosec
+ []byte{}, 0755)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ err = ioutil.WriteFile(filepath.Join(nestedDir, "file3.txt"), //nolint:gosec
+ []byte{}, 0755)
+ if err != nil {
+ t.Fatal(err)
+ }
+ err = ioutil.WriteFile(filepath.Join(nestedDir, "file4.aaa"), //nolint:gosec
+ []byte{}, 0755)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ ignored, err := reload.ConvertIgnored([]string{nestedDir})
+ if err != nil {
+ t.Fatal(err)
+ }
+ wc := reload.WatcherConfig{
+ ServiceName: testServiceName,
+ Recursive: true,
+ Directories: []string{tempDir},
+ FilterHooks: func(filename string, patterns []string) error {
+ for i := 0; i < len(patterns); i++ {
+ if strings.Contains(filename, patterns[i]) {
+ return nil
+ }
+ }
+ return errors.E(errors.Skip)
+ },
+ Files: make(map[string]os.FileInfo),
+ Ignored: ignored,
+ FilePatterns: []string{"aaa", "bbb", "txt"},
+ }
+
+ w, err := reload.NewWatcher([]reload.WatcherConfig{wc})
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ dirLen := len(w.GetAllFiles(testServiceName))
+ // should be 2 files (2 from root dir), filtered other
+ if dirLen != 2 {
+ t.Fatalf("incorrect directories len, len is: %d", dirLen)
+ }
+
+ go func() {
+ go func() {
+ err2 := ioutil.WriteFile(filepath.Join(nestedDir, "file4.aaa"), //nolint:gosec
+ []byte{1, 1, 1}, 0755)
+ if err2 != nil {
+ panic(err2)
+ }
+ }()
+
+ go func() {
+ for e := range w.Event {
+ fmt.Println("file: " + e.Info.Name())
+ panic("handled event from watcher in nested dir")
+ }
+ }()
+
+ // time sleep is used here because StartPolling is blocking operation
+ time.Sleep(time.Second * 5)
+ w.Stop()
+ }()
+
+ err = w.StartPolling(time.Second)
+ if err != nil {
+ t.Fatal(err)
+ }
+}
+
+// copy files from nested dir to not ignored
+// should fire an event
+func Test_Copy_Directory(t *testing.T) {
+ tempDir, err := ioutil.TempDir(".", "")
+ c := make(chan struct{})
+ defer func() {
+ err = freeResources(tempDir)
+ if err != nil {
+ c <- struct{}{}
+ t.Fatal(err)
+ }
+ c <- struct{}{}
+ }()
+
+ nestedDir, err := ioutil.TempDir(tempDir, "nested")
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ err = ioutil.WriteFile(filepath.Join(tempDir, "file1.aaa"), //nolint:gosec
+ []byte{}, 0755)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ err = ioutil.WriteFile(filepath.Join(tempDir, "file2.bbb"), //nolint:gosec
+ []byte{}, 0755)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ err = ioutil.WriteFile(filepath.Join(nestedDir, "file3.txt"), //nolint:gosec
+ []byte{}, 0755)
+ if err != nil {
+ t.Fatal(err)
+ }
+ err = ioutil.WriteFile(filepath.Join(nestedDir, "file4.aaa"), //nolint:gosec
+ []byte{}, 0755)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ ignored, err := reload.ConvertIgnored([]string{nestedDir})
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ wc := reload.WatcherConfig{
+ ServiceName: testServiceName,
+ Recursive: true,
+ Directories: []string{tempDir},
+ FilterHooks: func(filename string, patterns []string) error {
+ for i := 0; i < len(patterns); i++ {
+ if strings.Contains(filename, patterns[i]) {
+ return nil
+ }
+ }
+ return errors.E(errors.Skip)
+ },
+ Files: make(map[string]os.FileInfo),
+ Ignored: ignored,
+ FilePatterns: []string{"aaa", "bbb", "txt"},
+ }
+
+ w, err := reload.NewWatcher([]reload.WatcherConfig{wc})
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ dirLen := len(w.GetAllFiles(testServiceName))
+ // should be 2 files (2 from root dir), filtered other
+ if dirLen != 2 {
+ t.Fatalf("incorrect directories len, len is: %d", dirLen)
+ }
+
+ go limitTime(time.Second*10, t.Name(), c)
+
+ go func() {
+ go func() {
+ err2 := copyDir(nestedDir, filepath.Join(tempDir, "copyTo"))
+ if err2 != nil {
+ panic(err2)
+ }
+
+ // exit from current goroutine
+ runtime.Goexit()
+ }()
+
+ go func() {
+ for range w.Event {
+ // here should be event, otherwise we won't stop
+ w.Stop()
+ }
+ }()
+ }()
+
+ err = w.StartPolling(time.Second)
+ if err != nil {
+ t.Fatal(err)
+ }
+}
+
+func limitTime(d time.Duration, name string, free chan struct{}) {
+ go func() {
+ ticket := time.NewTicker(d)
+ for {
+ select {
+ case <-ticket.C:
+ ticket.Stop()
+ panic("timeout exceed, test: " + name)
+ case <-free:
+ ticket.Stop()
+ return
+ }
+ }
+ }()
+}
+
+func copyFile(src, dst string) error {
+ in, err := os.Open(src)
+ if err != nil {
+ return err
+ }
+ defer func() {
+ _ = in.Close()
+ }()
+
+ out, err := os.Create(dst)
+ if err != nil {
+ return err
+ }
+ defer func() {
+ if e := out.Close(); e != nil {
+ err = e
+ }
+ }()
+
+ _, err = io.Copy(out, in)
+ if err != nil {
+ return err
+ }
+
+ err = out.Sync()
+ if err != nil {
+ return err
+ }
+
+ si, err := os.Stat(src)
+ if err != nil {
+ return err
+ }
+ err = os.Chmod(dst, si.Mode())
+ if err != nil {
+ return err
+ }
+ return nil
+}
+
+func copyDir(src string, dst string) error {
+ src = filepath.Clean(src)
+ dst = filepath.Clean(dst)
+
+ si, err := os.Stat(src)
+ if err != nil {
+ return err
+ }
+ if !si.IsDir() {
+ return fmt.Errorf("source is not a directory")
+ }
+
+ _, err = os.Stat(dst)
+ if err != nil && !os.IsNotExist(err) {
+ return err
+ }
+ if err == nil {
+ return fmt.Errorf("destination already exists")
+ }
+
+ err = os.MkdirAll(dst, si.Mode())
+ if err != nil {
+ return err
+ }
+
+ entries, err := ioutil.ReadDir(src)
+ if err != nil {
+ return err
+ }
+
+ for _, entry := range entries {
+ srcPath := filepath.Join(src, entry.Name())
+ dstPath := filepath.Join(dst, entry.Name())
+
+ if entry.IsDir() {
+ err = copyDir(srcPath, dstPath)
+ if err != nil {
+ return err
+ }
+ } else {
+ // Skip symlinks.
+ if entry.Mode()&os.ModeSymlink != 0 {
+ continue
+ }
+
+ err = copyFile(srcPath, dstPath)
+ if err != nil {
+ return err
+ }
+ }
+ }
+ return nil
+}
+
+func freeResources(path string) error {
+ return os.RemoveAll(path)
+}