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walker_mock.go
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walker_mock.go
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// Copyright 2018-2021 CERN
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// In applying this license, CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
package mock
import (
"context"
"io/fs"
"path/filepath"
provider "github.com/cs3org/go-cs3apis/cs3/storage/provider/v1beta1"
typesv1beta1 "github.com/cs3org/go-cs3apis/cs3/types/v1beta1"
"github.com/cs3org/reva/v2/pkg/storage/utils/walker"
)
type mockWalker struct {
tmpDir string
}
// NewWalker creates a mock walker that implements the Walk interface
// supposed to be used for testing
func NewWalker(tmpDir string) walker.Walker {
return &mockWalker{
tmpDir: tmpDir,
}
}
// converts a FileInfo to a reva ResourceInfo
func convertFileInfoToResourceInfo(path string, f fs.FileInfo) *provider.ResourceInfo {
if f == nil {
return nil
}
// resource type conversion
t := provider.ResourceType_RESOURCE_TYPE_FILE
if f.IsDir() {
t = provider.ResourceType_RESOURCE_TYPE_CONTAINER
}
return &provider.ResourceInfo{
Type: t,
Path: f.Name(),
Id: &provider.ResourceId{OpaqueId: path},
Size: uint64(f.Size()),
Mtime: &typesv1beta1.Timestamp{
Seconds: uint64(f.ModTime().Second()),
},
}
}
func mockWalkFunc(fn walker.WalkFunc, tmpDir string) filepath.WalkFunc {
return func(path string, info fs.FileInfo, err error) error {
relativePath, relErr := filepath.Rel(tmpDir, path)
if relErr != nil {
return relErr
}
relativePath = filepath.Join("/", relativePath)
return fn(filepath.Dir(relativePath), convertFileInfoToResourceInfo(path, info), err)
}
}
// Walk walks into the local file system using the built-in filepath.Walk go function
func (m *mockWalker) Walk(_ context.Context, root *provider.ResourceId, fn walker.WalkFunc) error {
return filepath.Walk(root.OpaqueId, mockWalkFunc(fn, m.tmpDir))
}