deviceServiceMock.go

package nucleus

import (
	"code.fbi.h-da.de/danet/gosdn/controller/interfaces/device"
	"code.fbi.h-da.de/danet/gosdn/controller/store"
	"github.com/google/uuid"
)

// DeviceServiceMock provides a in-memory implementation for multiple stores.
type DeviceServiceMock struct {
	Store           map[uuid.UUID]device.Device
	nameLookupTable map[string]uuid.UUID
}

// NewDeviceServiceMock returns a specific in-memory store for device service.
func NewDeviceServiceMock() device.Service {
	return &DeviceServiceMock{
		Store:           make(map[uuid.UUID]device.Device),
		nameLookupTable: make(map[string]uuid.UUID),
	}
}

// Add adds a item device.Device.
func (t *DeviceServiceMock) Add(item device.Device) error {
	_, ok := t.Store[item.ID()]
	if ok {
		return nil
	}

	t.Store[item.ID()] = item
	t.nameLookupTable[item.Name()] = item.ID()

	return nil
}

// Update updates a item device.Device.
func (t *DeviceServiceMock) Update(item device.Device) error {
	_, ok := t.Store[item.ID()]
	if ok {
		return nil
	}

	t.Store[item.ID()] = item
	t.nameLookupTable[item.Name()] = item.ID()

	return nil
}

// UpdateModel updates a item device.Device.
func (t *DeviceServiceMock) UpdateModel(item device.Device, model string) error {
	_, ok := t.Store[item.ID()]
	if ok {
		return nil
	}

	t.Store[item.ID()] = item
	t.nameLookupTable[item.Name()] = item.ID()

	return nil
}

// Delete deletes a item device.Device.
func (t *DeviceServiceMock) Delete(item device.Device) error {
	delete(t.Store, item.ID())

	return nil
}

// Get gets a item device.Device.
func (t *DeviceServiceMock) Get(query store.Query) (device.Device, error) {
	// First search for direct hit on UUID.
	item, ok := t.Store[query.ID]
	if !ok {
		// Second search for name
		id, ok := t.nameLookupTable[query.Name]
		if !ok {
			return nil, nil
		}

		item, ok := t.Store[id]
		if !ok {
			return nil, nil
		}

		return item, nil
	}

	return item, nil
}

// GetAll gets all items.
func (t *DeviceServiceMock) GetAll() ([]device.Device, error) {
	var allItems []device.Device

	for _, item := range t.Store {
		allItems = append(allItems, item)
	}

	return allItems, nil
}

// GetAllAsLoaded gets all items as `device.LoadedDevice`.
func (t *DeviceServiceMock) GetAllAsLoaded() ([]device.LoadedDevice, error) {
	var allItems []device.LoadedDevice

	for _, item := range t.Store {
		allItems = append(allItems, device.LoadedDevice{
			ID:   item.ID().String(),
			Name: item.Name(),
			SBI:  item.SBI().ID().String(),
		})
	}

	return allItems, nil
}