swarm/api: FUSE read-write support (#13872)

- Moved fuse related code in a new package, swarm/fuse
- Added write support
  - Create new files
  - Delete existing files
  - Append to files (with limitations)
- More test coverage

1 files changed, 0 insertions, 115 deletions

diff --git a/swarm/api/swarmfs_test.go b/swarm/api/swarmfs_test.go
deleted file mode 100644
index 45d2dc169..000000000
--- a/swarm/api/swarmfs_test.go
+++ /dev/null
@@ -1,115 +0,0 @@
-// Copyright 2016 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package api
-
-import (
-	"io/ioutil"
-	"os"
-	"path/filepath"
-	"testing"
-)
-
-var testUploadDir, _ = ioutil.TempDir(os.TempDir(), "fuse-source")
-var testMountDir, _ = ioutil.TempDir(os.TempDir(), "fuse-dest")
-
-func testFuseFileSystem(t *testing.T, f func(*FileSystem)) {
-	testApi(t, func(api *Api) {
-		f(NewFileSystem(api))
-	})
-}
-
-func createTestFiles(t *testing.T, files []string) {
-	os.RemoveAll(testUploadDir)
-	os.RemoveAll(testMountDir)
-	defer os.MkdirAll(testMountDir, 0777)
-
-	for f := range files {
-		actualPath := filepath.Join(testUploadDir, files[f])
-		filePath := filepath.Dir(actualPath)
-
-		err := os.MkdirAll(filePath, 0777)
-		if err != nil {
-			t.Fatalf("Error creating directory '%v' : %v", filePath, err)
-		}
-
-		_, err1 := os.OpenFile(actualPath, os.O_RDONLY|os.O_CREATE, 0666)
-		if err1 != nil {
-			t.Fatalf("Error creating file %v: %v", actualPath, err1)
-		}
-	}
-
-}
-
-func compareFiles(t *testing.T, files []string) {
-	for f := range files {
-		sourceFile := filepath.Join(testUploadDir, files[f])
-		destinationFile := filepath.Join(testMountDir, files[f])
-
-		sfinfo, err := os.Stat(sourceFile)
-		if err != nil {
-			t.Fatalf("Source file %v missing in mount: %v", files[f], err)
-		}
-
-		dfinfo, err := os.Stat(destinationFile)
-		if err != nil {
-			t.Fatalf("Destination file %v missing in mount: %v", files[f], err)
-		}
-
-		if sfinfo.Size() != dfinfo.Size() {
-			t.Fatalf("Size mismatch  source (%v) vs destination(%v)", sfinfo.Size(), dfinfo.Size())
-		}
-
-		if dfinfo.Mode().Perm().String() != "-r-x------" {
-			t.Fatalf("Permission is not 0500for file: %v", err)
-		}
-	}
-}
-
-func doHashTest(fs *FileSystem, t *testing.T, ensName string, files ...string) {
-	createTestFiles(t, files)
-	bzzhash, err := fs.Upload(testUploadDir, "")
-	if err != nil {
-		t.Fatalf("Error uploading directory %v: %v", testUploadDir, err)
-	}
-
-	swarmfs := NewSwarmFS(fs.api)
-	defer swarmfs.Stop()
-
-	_, err = swarmfs.Mount(bzzhash, testMountDir)
-	if isFUSEUnsupportedError(err) {
-		t.Skip("FUSE not supported:", err)
-	} else if err != nil {
-		t.Fatalf("Error mounting hash %v: %v", bzzhash, err)
-	}
-
-	compareFiles(t, files)
-
-	if _, err := swarmfs.Unmount(testMountDir); err != nil {
-		t.Fatalf("Error unmounting path %v: %v", testMountDir, err)
-	}
-}
-
-// mounting with manifest Hash
-func TestFuseMountingScenarios(t *testing.T) {
-	testFuseFileSystem(t, func(fs *FileSystem) {
-		//doHashTest(fs,t, "test","1.txt")
-		doHashTest(fs, t, "", "1.txt")
-		doHashTest(fs, t, "", "1.txt", "11.txt", "111.txt", "two/2.txt", "two/two/2.txt", "three/3.txt")
-		doHashTest(fs, t, "", "1/2/3/4/5/6/7/8/9/10/11/12/1.txt")
-		doHashTest(fs, t, "", "one/one.txt", "one.txt", "once/one.txt", "one/one/one.txt")
-	})
-}