+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
package main
import (
"bytes"
+ "context"
"crypto/md5"
"errors"
"fmt"
// impractical to achieve with a sequence of normal Volume operations.
type TestableVolume interface {
Volume
+
// [Over]write content for a locator with the given data,
// bypassing all constraints like readonly and serialize.
PutRaw(locator string, data []byte)
+ // Returns the strings that a driver uses to record read/write operations.
+ ReadWriteOperationLabelValues() (r, w string)
+
// Specify the value Mtime() should return, until the next
// call to Touch, TouchWithDate, or Put.
TouchWithDate(locator string, lastPut time.Time)
Timestamps map[string]time.Time
// Bad volumes return an error for every operation.
- Bad bool
+ Bad bool
+ BadVolumeError error
// Touchable volumes' Touch() method succeeds for a locator
// that has been Put().
}
}
-func (v *MockVolume) Compare(loc string, buf []byte) error {
+func (v *MockVolume) Compare(ctx context.Context, loc string, buf []byte) error {
v.gotCall("Compare")
<-v.Gate
if v.Bad {
- return errors.New("Bad volume")
+ return v.BadVolumeError
} else if block, ok := v.Store[loc]; ok {
if fmt.Sprintf("%x", md5.Sum(block)) != loc {
return DiskHashError
}
}
-func (v *MockVolume) Get(loc string) ([]byte, error) {
+func (v *MockVolume) Get(ctx context.Context, loc string, buf []byte) (int, error) {
v.gotCall("Get")
<-v.Gate
if v.Bad {
- return nil, errors.New("Bad volume")
+ return 0, v.BadVolumeError
} else if block, ok := v.Store[loc]; ok {
- buf := bufs.Get(len(block))
- copy(buf, block)
- return buf, nil
+ copy(buf[:len(block)], block)
+ return len(block), nil
}
- return nil, os.ErrNotExist
+ return 0, os.ErrNotExist
}
-func (v *MockVolume) Put(loc string, block []byte) error {
+func (v *MockVolume) Put(ctx context.Context, loc string, block []byte) error {
v.gotCall("Put")
<-v.Gate
if v.Bad {
- return errors.New("Bad volume")
+ return v.BadVolumeError
}
if v.Readonly {
return MethodDisabledError
var mtime time.Time
var err error
if v.Bad {
- err = errors.New("Bad volume")
+ err = v.BadVolumeError
} else if t, ok := v.Timestamps[loc]; ok {
mtime = t
} else {
return nil
}
-func (v *MockVolume) Delete(loc string) error {
+func (v *MockVolume) Trash(loc string) error {
v.gotCall("Delete")
<-v.Gate
if v.Readonly {
return MethodDisabledError
}
if _, ok := v.Store[loc]; ok {
- if time.Since(v.Timestamps[loc]) < blobSignatureTTL {
+ if time.Since(v.Timestamps[loc]) < time.Duration(theConfig.BlobSignatureTTL) {
return nil
}
delete(v.Store, loc)
return os.ErrNotExist
}
+func (v *MockVolume) DeviceID() string {
+ return "mock-device-id"
+}
+
+func (v *MockVolume) Type() string {
+ return "Mock"
+}
+
+func (v *MockVolume) Start(vm *volumeMetricsVecs) error {
+ return nil
+}
+
+func (v *MockVolume) Untrash(loc string) error {
+ return nil
+}
+
func (v *MockVolume) Status() *VolumeStatus {
var used uint64
for _, block := range v.Store {
func (v *MockVolume) Replication() int {
return 1
}
+
+func (v *MockVolume) EmptyTrash() {
+}
+
+func (v *MockVolume) GetStorageClasses() []string {
+ return nil
+}