refactor: extend paths helper use

Author: Luca Bianconi

Diff for: buildcache/build_cache_test.go

@@ -16,7 +16,6 @@
 package buildcache
 
 import (
-	"os"
 	"testing"
 	"time"
 
@@ -25,36 +24,29 @@ import (
 )
 
 func Test_UpdateLastUsedFileNotExisting(t *testing.T) {
-
 	testBuildDir := paths.New(t.TempDir(), "sketches", "sketch-xxx")
-	err := os.MkdirAll(testBuildDir.String(), 0770)
-	require.Nil(t, err)
+	require.NoError(t, testBuildDir.MkdirAll())
 	timeBeforeUpdating := time.Unix(0, 0)
 	requireCorrectUpdate(t, testBuildDir, timeBeforeUpdating)
 }
 
 func Test_UpdateLastUsedFileExisting(t *testing.T) {
-
 	testBuildDir := paths.New(t.TempDir(), "sketches", "sketch-xxx")
-	err := os.MkdirAll(testBuildDir.String(), 0770)
-	require.Nil(t, err)
+	require.NoError(t, testBuildDir.MkdirAll())
 
 	// create the file
-	preExistingFile := testBuildDir.Join(lastUsedFileName).String()
-	err = paths.New(preExistingFile).WriteFile([]byte{})
-	require.Nil(t, err)
+	preExistingFile := testBuildDir.Join(lastUsedFileName)
+	require.NoError(t, preExistingFile.WriteFile([]byte{}))
 	timeBeforeUpdating := time.Now().Add(-time.Second)
-	os.Chtimes(preExistingFile, time.Now(), timeBeforeUpdating)
+	preExistingFile.Chtimes(time.Now(), timeBeforeUpdating)
 	requireCorrectUpdate(t, testBuildDir, timeBeforeUpdating)
 }
 
 func requireCorrectUpdate(t *testing.T, dir *paths.Path, prevModTime time.Time) {
-	err := Used(dir)
-	require.Nil(t, err)
+	require.NoError(t, Used(dir))
 	expectedFile := dir.Join(lastUsedFileName)
-	fileInfo, err := os.Stat(expectedFile.String())
+	fileInfo, err := expectedFile.Stat()
 	require.Nil(t, err)
-
 	require.GreaterOrEqual(t, fileInfo.ModTime(), prevModTime)
 }
 
@@ -70,22 +62,18 @@ func TestPurge(t *testing.T) {
 
 	// create the metadata files
 	for dirPath, lastUsedTime := range lastUsedTimesByDirPath {
-		err := os.MkdirAll(dirPath.Canonical().String(), 0770)
-		require.Nil(t, err)
-		infoFilePath := dirPath.Join(lastUsedFileName).Canonical().String()
-		err = paths.New(infoFilePath).WriteFile([]byte{})
-		require.Nil(t, err)
+		require.NoError(t, dirPath.MkdirAll())
+		infoFilePath := dirPath.Join(lastUsedFileName).Canonical()
+		require.NoError(t, infoFilePath.WriteFile([]byte{}))
 		// make sure access time does not matter
 		accesstime := time.Now()
-		err = os.Chtimes(infoFilePath, accesstime, lastUsedTime)
-		require.Nil(t, err)
+		require.NoError(t, infoFilePath.Chtimes(accesstime, lastUsedTime))
 	}
 
 	Purge(dirToPurge, ttl)
 
-	fileinfo, err := os.Stat(dirToPurge.Join("fresh").String())
+	files, err := dirToPurge.Join("fresh").Stat()
 	require.Nil(t, err)
-	require.True(t, fileinfo.IsDir())
-	_, err = os.Stat(dirToPurge.Join("old").String())
-	require.ErrorIs(t, err, os.ErrNotExist)
+	require.True(t, files.IsDir())
+	require.True(t, dirToPurge.Exist())
 }

Diff for: buildcache/directory_cache.go

@@ -16,7 +16,6 @@
 package buildcache
 
 import (
-	"os"
 	"time"
 
 	"github.com/arduino/go-paths-helper"
@@ -43,7 +42,7 @@ func (dc *directoryCache) isExpired(key string, ttl time.Duration) bool {
 }
 
 func (dc *directoryCache) modTime(key string) (time.Time, error) {
-	fileInfo, err := os.Stat(dc.basePath().Join(key, lastUsedFileName).String())
+	fileInfo, err := dc.basePath().Join(key, lastUsedFileName).Stat()
 	if err != nil {
 		return time.Unix(0, 0), err
 	}
@@ -59,7 +58,10 @@ func (dc *directoryCache) GetOrCreate(key string, value time.Time) (time.Time, e
 	}
 
 	subDir := dc.basePath().Join(key)
-	os.MkdirAll(subDir.String(), 0770)
+	err = subDir.MkdirAll()
+	if err != nil || existing {
+		return modTime, err
+	}
 	err = subDir.Join(lastUsedFileName).WriteFile([]byte{})
 	if err != nil || existing {
 		return modTime, err
@@ -68,16 +70,16 @@ func (dc *directoryCache) GetOrCreate(key string, value time.Time) (time.Time, e
 }
 
 func (dc *directoryCache) Purge() error {
-	files, err := os.ReadDir(dc.basePath().String())
+	files, err := dc.basePath().ReadDir()
 	if err != nil {
 		return err
 	}
 	for _, file := range files {
-		if file.IsDir() && dc.isExpired(file.Name(), dc.ttl) {
-			subDir := dc.basePath().Join(file.Name())
-			modTime, _ := dc.modTime(file.Name())
+		if file.IsDir() && dc.isExpired(file.Base(), dc.ttl) {
+			subDir := dc.basePath().Join(file.Base())
+			modTime, _ := dc.modTime(file.Base())
 			logrus.Tracef(`Purging cache directory "%s". Expired by %s\n`, subDir, (time.Since(modTime) - dc.ttl))
-			err := os.RemoveAll(subDir.String())
+			err := subDir.RemoveAll()
 
 			if err != nil {
 				logrus.Tracef(`Error while pruning cache directory "%s".\n%s\n`, subDir, errors.WithStack(err))