all: Hide implementations behind interfaces for mocked testing (#5548)

* lib/model: Hide implementations behind interfaces for mocked testing

* review
This commit is contained in:
Simon Frei
2019-02-26 09:09:25 +01:00
committed by Audrius Butkevicius
parent 8a05492622
commit 722b3fce6a
30 changed files with 405 additions and 270 deletions

View File

@@ -52,10 +52,48 @@ type noopWaiter struct{}
func (noopWaiter) Wait() {}
// A wrapper around a Configuration that manages loads, saves and published
// A Wrapper around a Configuration that manages loads, saves and published
// notifications of changes to registered Handlers
type Wrapper interface {
MyName() string
ConfigPath() string
type Wrapper struct {
RawCopy() Configuration
Replace(cfg Configuration) (Waiter, error)
RequiresRestart() bool
Save() error
GUI() GUIConfiguration
SetGUI(gui GUIConfiguration) (Waiter, error)
LDAP() LDAPConfiguration
Options() OptionsConfiguration
SetOptions(opts OptionsConfiguration) (Waiter, error)
Folder(id string) (FolderConfiguration, bool)
Folders() map[string]FolderConfiguration
FolderList() []FolderConfiguration
SetFolder(fld FolderConfiguration) (Waiter, error)
Device(id protocol.DeviceID) (DeviceConfiguration, bool)
Devices() map[protocol.DeviceID]DeviceConfiguration
RemoveDevice(id protocol.DeviceID) (Waiter, error)
SetDevice(DeviceConfiguration) (Waiter, error)
SetDevices([]DeviceConfiguration) (Waiter, error)
AddOrUpdatePendingDevice(device protocol.DeviceID, name, address string)
AddOrUpdatePendingFolder(id, label string, device protocol.DeviceID)
IgnoredDevice(id protocol.DeviceID) bool
IgnoredFolder(device protocol.DeviceID, folder string) bool
ListenAddresses() []string
GlobalDiscoveryServers() []string
Subscribe(c Committer)
Unsubscribe(c Committer)
}
type wrapper struct {
cfg Configuration
path string
@@ -69,8 +107,8 @@ type Wrapper struct {
// Wrap wraps an existing Configuration structure and ties it to a file on
// disk.
func Wrap(path string, cfg Configuration) *Wrapper {
w := &Wrapper{
func Wrap(path string, cfg Configuration) Wrapper {
w := &wrapper{
cfg: cfg,
path: path,
mut: sync.NewMutex(),
@@ -80,7 +118,7 @@ func Wrap(path string, cfg Configuration) *Wrapper {
// Load loads an existing file on disk and returns a new configuration
// wrapper.
func Load(path string, myID protocol.DeviceID) (*Wrapper, error) {
func Load(path string, myID protocol.DeviceID) (Wrapper, error) {
fd, err := os.Open(path)
if err != nil {
return nil, err
@@ -95,13 +133,13 @@ func Load(path string, myID protocol.DeviceID) (*Wrapper, error) {
return Wrap(path, cfg), nil
}
func (w *Wrapper) ConfigPath() string {
func (w *wrapper) ConfigPath() string {
return w.path
}
// Subscribe registers the given handler to be called on any future
// configuration changes.
func (w *Wrapper) Subscribe(c Committer) {
func (w *wrapper) Subscribe(c Committer) {
w.mut.Lock()
w.subs = append(w.subs, c)
w.mut.Unlock()
@@ -109,7 +147,7 @@ func (w *Wrapper) Subscribe(c Committer) {
// Unsubscribe de-registers the given handler from any future calls to
// configuration changes
func (w *Wrapper) Unsubscribe(c Committer) {
func (w *wrapper) Unsubscribe(c Committer) {
w.mut.Lock()
for i := range w.subs {
if w.subs[i] == c {
@@ -123,20 +161,20 @@ func (w *Wrapper) Unsubscribe(c Committer) {
}
// RawCopy returns a copy of the currently wrapped Configuration object.
func (w *Wrapper) RawCopy() Configuration {
func (w *wrapper) RawCopy() Configuration {
w.mut.Lock()
defer w.mut.Unlock()
return w.cfg.Copy()
}
// Replace swaps the current configuration object for the given one.
func (w *Wrapper) Replace(cfg Configuration) (Waiter, error) {
func (w *wrapper) Replace(cfg Configuration) (Waiter, error) {
w.mut.Lock()
defer w.mut.Unlock()
return w.replaceLocked(cfg.Copy())
}
func (w *Wrapper) replaceLocked(to Configuration) (Waiter, error) {
func (w *wrapper) replaceLocked(to Configuration) (Waiter, error) {
from := w.cfg
if err := to.clean(); err != nil {
@@ -158,7 +196,7 @@ func (w *Wrapper) replaceLocked(to Configuration) (Waiter, error) {
return w.notifyListeners(from.Copy(), to.Copy()), nil
}
func (w *Wrapper) notifyListeners(from, to Configuration) Waiter {
func (w *wrapper) notifyListeners(from, to Configuration) Waiter {
wg := sync.NewWaitGroup()
wg.Add(len(w.subs))
for _, sub := range w.subs {
@@ -170,7 +208,7 @@ func (w *Wrapper) notifyListeners(from, to Configuration) Waiter {
return wg
}
func (w *Wrapper) notifyListener(sub Committer, from, to Configuration) {
func (w *wrapper) notifyListener(sub Committer, from, to Configuration) {
l.Debugln(sub, "committing configuration")
if !sub.CommitConfiguration(from, to) {
l.Debugln(sub, "requires restart")
@@ -179,7 +217,7 @@ func (w *Wrapper) notifyListener(sub Committer, from, to Configuration) {
}
// Devices returns a map of devices.
func (w *Wrapper) Devices() map[protocol.DeviceID]DeviceConfiguration {
func (w *wrapper) Devices() map[protocol.DeviceID]DeviceConfiguration {
w.mut.Lock()
defer w.mut.Unlock()
if w.deviceMap == nil {
@@ -193,7 +231,7 @@ func (w *Wrapper) Devices() map[protocol.DeviceID]DeviceConfiguration {
// SetDevices adds new devices to the configuration, or overwrites existing
// devices with the same ID.
func (w *Wrapper) SetDevices(devs []DeviceConfiguration) (Waiter, error) {
func (w *wrapper) SetDevices(devs []DeviceConfiguration) (Waiter, error) {
w.mut.Lock()
defer w.mut.Unlock()
@@ -218,12 +256,12 @@ func (w *Wrapper) SetDevices(devs []DeviceConfiguration) (Waiter, error) {
// SetDevice adds a new device to the configuration, or overwrites an existing
// device with the same ID.
func (w *Wrapper) SetDevice(dev DeviceConfiguration) (Waiter, error) {
func (w *wrapper) SetDevice(dev DeviceConfiguration) (Waiter, error) {
return w.SetDevices([]DeviceConfiguration{dev})
}
// RemoveDevice removes the device from the configuration
func (w *Wrapper) RemoveDevice(id protocol.DeviceID) (Waiter, error) {
func (w *wrapper) RemoveDevice(id protocol.DeviceID) (Waiter, error) {
w.mut.Lock()
defer w.mut.Unlock()
@@ -240,7 +278,7 @@ func (w *Wrapper) RemoveDevice(id protocol.DeviceID) (Waiter, error) {
// Folders returns a map of folders. Folder structures should not be changed,
// other than for the purpose of updating via SetFolder().
func (w *Wrapper) Folders() map[string]FolderConfiguration {
func (w *wrapper) Folders() map[string]FolderConfiguration {
w.mut.Lock()
defer w.mut.Unlock()
if w.folderMap == nil {
@@ -253,7 +291,7 @@ func (w *Wrapper) Folders() map[string]FolderConfiguration {
}
// FolderList returns a slice of folders.
func (w *Wrapper) FolderList() []FolderConfiguration {
func (w *wrapper) FolderList() []FolderConfiguration {
w.mut.Lock()
defer w.mut.Unlock()
return w.cfg.Copy().Folders
@@ -261,7 +299,7 @@ func (w *Wrapper) FolderList() []FolderConfiguration {
// SetFolder adds a new folder to the configuration, or overwrites an existing
// folder with the same ID.
func (w *Wrapper) SetFolder(fld FolderConfiguration) (Waiter, error) {
func (w *wrapper) SetFolder(fld FolderConfiguration) (Waiter, error) {
w.mut.Lock()
defer w.mut.Unlock()
@@ -280,14 +318,14 @@ func (w *Wrapper) SetFolder(fld FolderConfiguration) (Waiter, error) {
}
// Options returns the current options configuration object.
func (w *Wrapper) Options() OptionsConfiguration {
func (w *wrapper) Options() OptionsConfiguration {
w.mut.Lock()
defer w.mut.Unlock()
return w.cfg.Options.Copy()
}
// SetOptions replaces the current options configuration object.
func (w *Wrapper) SetOptions(opts OptionsConfiguration) (Waiter, error) {
func (w *wrapper) SetOptions(opts OptionsConfiguration) (Waiter, error) {
w.mut.Lock()
defer w.mut.Unlock()
newCfg := w.cfg.Copy()
@@ -295,21 +333,21 @@ func (w *Wrapper) SetOptions(opts OptionsConfiguration) (Waiter, error) {
return w.replaceLocked(newCfg)
}
func (w *Wrapper) LDAP() LDAPConfiguration {
func (w *wrapper) LDAP() LDAPConfiguration {
w.mut.Lock()
defer w.mut.Unlock()
return w.cfg.LDAP.Copy()
}
// GUI returns the current GUI configuration object.
func (w *Wrapper) GUI() GUIConfiguration {
func (w *wrapper) GUI() GUIConfiguration {
w.mut.Lock()
defer w.mut.Unlock()
return w.cfg.GUI.Copy()
}
// SetGUI replaces the current GUI configuration object.
func (w *Wrapper) SetGUI(gui GUIConfiguration) (Waiter, error) {
func (w *wrapper) SetGUI(gui GUIConfiguration) (Waiter, error) {
w.mut.Lock()
defer w.mut.Unlock()
newCfg := w.cfg.Copy()
@@ -319,7 +357,7 @@ func (w *Wrapper) SetGUI(gui GUIConfiguration) (Waiter, error) {
// IgnoredDevice returns whether or not connection attempts from the given
// device should be silently ignored.
func (w *Wrapper) IgnoredDevice(id protocol.DeviceID) bool {
func (w *wrapper) IgnoredDevice(id protocol.DeviceID) bool {
w.mut.Lock()
defer w.mut.Unlock()
for _, device := range w.cfg.IgnoredDevices {
@@ -332,7 +370,7 @@ func (w *Wrapper) IgnoredDevice(id protocol.DeviceID) bool {
// IgnoredFolder returns whether or not share attempts for the given
// folder should be silently ignored.
func (w *Wrapper) IgnoredFolder(device protocol.DeviceID, folder string) bool {
func (w *wrapper) IgnoredFolder(device protocol.DeviceID, folder string) bool {
dev, ok := w.Device(device)
if !ok {
return false
@@ -341,7 +379,7 @@ func (w *Wrapper) IgnoredFolder(device protocol.DeviceID, folder string) bool {
}
// Device returns the configuration for the given device and an "ok" bool.
func (w *Wrapper) Device(id protocol.DeviceID) (DeviceConfiguration, bool) {
func (w *wrapper) Device(id protocol.DeviceID) (DeviceConfiguration, bool) {
w.mut.Lock()
defer w.mut.Unlock()
for _, device := range w.cfg.Devices {
@@ -353,7 +391,7 @@ func (w *Wrapper) Device(id protocol.DeviceID) (DeviceConfiguration, bool) {
}
// Folder returns the configuration for the given folder and an "ok" bool.
func (w *Wrapper) Folder(id string) (FolderConfiguration, bool) {
func (w *wrapper) Folder(id string) (FolderConfiguration, bool) {
w.mut.Lock()
defer w.mut.Unlock()
for _, folder := range w.cfg.Folders {
@@ -365,7 +403,7 @@ func (w *Wrapper) Folder(id string) (FolderConfiguration, bool) {
}
// Save writes the configuration to disk, and generates a ConfigSaved event.
func (w *Wrapper) Save() error {
func (w *wrapper) Save() error {
w.mut.Lock()
defer w.mut.Unlock()
@@ -390,7 +428,7 @@ func (w *Wrapper) Save() error {
return nil
}
func (w *Wrapper) GlobalDiscoveryServers() []string {
func (w *wrapper) GlobalDiscoveryServers() []string {
var servers []string
for _, srv := range w.Options().GlobalAnnServers {
switch srv {
@@ -407,7 +445,7 @@ func (w *Wrapper) GlobalDiscoveryServers() []string {
return util.UniqueStrings(servers)
}
func (w *Wrapper) ListenAddresses() []string {
func (w *wrapper) ListenAddresses() []string {
var addresses []string
for _, addr := range w.Options().ListenAddresses {
switch addr {
@@ -420,15 +458,15 @@ func (w *Wrapper) ListenAddresses() []string {
return util.UniqueStrings(addresses)
}
func (w *Wrapper) RequiresRestart() bool {
func (w *wrapper) RequiresRestart() bool {
return atomic.LoadUint32(&w.requiresRestart) != 0
}
func (w *Wrapper) setRequiresRestart() {
func (w *wrapper) setRequiresRestart() {
atomic.StoreUint32(&w.requiresRestart, 1)
}
func (w *Wrapper) MyName() string {
func (w *wrapper) MyName() string {
w.mut.Lock()
myID := w.cfg.MyID
w.mut.Unlock()
@@ -436,7 +474,7 @@ func (w *Wrapper) MyName() string {
return cfg.Name
}
func (w *Wrapper) AddOrUpdatePendingDevice(device protocol.DeviceID, name, address string) {
func (w *wrapper) AddOrUpdatePendingDevice(device protocol.DeviceID, name, address string) {
defer w.Save()
w.mut.Lock()
@@ -459,7 +497,7 @@ func (w *Wrapper) AddOrUpdatePendingDevice(device protocol.DeviceID, name, addre
})
}
func (w *Wrapper) AddOrUpdatePendingFolder(id, label string, device protocol.DeviceID) {
func (w *wrapper) AddOrUpdatePendingFolder(id, label string, device protocol.DeviceID) {
defer w.Save()
w.mut.Lock()