minikube/cli/tests/api_mock.go

137 lines
3.1 KiB
Go

/*
Copyright 2016 The Kubernetes Authors All rights reserved.
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.
*/
package tests
import (
"encoding/json"
"fmt"
"github.com/docker/machine/libmachine"
"github.com/docker/machine/libmachine/auth"
"github.com/docker/machine/libmachine/host"
"github.com/docker/machine/libmachine/mcnerror"
"github.com/docker/machine/libmachine/state"
)
// MockAPI is a struct used to mock out libmachine.API
type MockAPI struct {
Hosts []*host.Host
CreateError bool
RemoveError bool
}
// Close closes the API.
func (api *MockAPI) Close() error {
return nil
}
// NewHost creates a new host.Host instance.
func (api *MockAPI) NewHost(driverName string, rawDriver []byte) (*host.Host, error) {
var driver MockDriver
if err := json.Unmarshal(rawDriver, &driver); err != nil {
return nil, err
}
h := &host.Host{
DriverName: driverName,
RawDriver: rawDriver,
Driver: &MockDriver{},
Name: driver.GetMachineName(),
HostOptions: &host.Options{AuthOptions: &auth.Options{}},
}
return h, nil
}
// Create creates the actual host.
func (api *MockAPI) Create(h *host.Host) error {
if api.CreateError {
return fmt.Errorf("Error creating host.")
}
return h.Driver.Create()
}
// Exists determines if the host already exists.
func (api *MockAPI) Exists(name string) (bool, error) {
for _, host := range api.Hosts {
if name == host.Name {
return true, nil
}
}
return false, nil
}
// List the existing hosts.
func (api *MockAPI) List() ([]string, error) {
return []string{}, nil
}
// Load loads a host from disk.
func (api *MockAPI) Load(name string) (*host.Host, error) {
for _, host := range api.Hosts {
if name == host.Name {
return host, nil
}
}
return nil, mcnerror.ErrHostDoesNotExist{
Name: name,
}
}
// Remove a host.
func (api *MockAPI) Remove(name string) error {
if api.RemoveError {
return fmt.Errorf("Error removing %s", name)
}
newHosts := []*host.Host{}
for _, host := range api.Hosts {
if name != host.Name {
newHosts = append(newHosts, host)
}
}
api.Hosts = newHosts
return nil
}
// Save saves a host to disk.
func (api *MockAPI) Save(host *host.Host) error {
api.Hosts = append(api.Hosts, host)
return nil
}
// GetMachinesDir returns the directory to store machines in.
func (api MockAPI) GetMachinesDir() string {
return ""
}
// State returns the state of a host.
func State(api libmachine.API, name string) state.State {
host, _ := api.Load(name)
machineState, _ := host.Driver.GetState()
return machineState
}
// Exists tells whether a named host exists.
func Exists(api libmachine.API, name string) bool {
exists, _ := api.Exists(name)
return exists
}