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package machine
import (
"context"
"errors"
"sync"
"testing"
"github.com/crc-org/crc/v2/pkg/crc/machine/state"
"github.com/crc-org/crc/v2/pkg/crc/machine/types"
crcPreset "github.com/crc-org/crc/v2/pkg/crc/preset"
"github.com/stretchr/testify/assert"
)
func TestOneStartAtTheSameTime(t *testing.T) {
isRunning := make(chan struct{}, 1)
startCh := make(chan struct{}, 1)
waitingMachine := &waitingMachine{
isRunning: isRunning,
startCompleteCh: startCh,
}
syncMachine := NewSynchronizedMachine(waitingMachine)
assert.Equal(t, Idle, syncMachine.CurrentState())
lock := &sync.WaitGroup{}
lock.Add(1)
go func() {
defer lock.Done()
_, err := syncMachine.Start(context.Background(), types.StartConfig{})
assert.NoError(t, err)
}()
<-isRunning
assert.Equal(t, Starting, syncMachine.CurrentState())
assert.Equal(t, waitingMachine.GetName(), syncMachine.GetName())
_, err := syncMachine.Start(context.Background(), types.StartConfig{})
assert.EqualError(t, err, "cluster is busy")
startCh <- struct{}{}
lock.Wait()
assert.Equal(t, Idle, syncMachine.CurrentState())
}
func TestDeleteStop(t *testing.T) {
isRunning := make(chan struct{}, 1)
deleteCh := make(chan struct{}, 1)
waitingMachine := &waitingMachine{
isRunning: isRunning,
deleteCompleteCh: deleteCh,
}
syncMachine := NewSynchronizedMachine(waitingMachine)
assert.Equal(t, Idle, syncMachine.CurrentState())
lock := &sync.WaitGroup{}
lock.Add(1)
go func() {
defer lock.Done()
assert.NoError(t, syncMachine.Delete())
}()
<-isRunning
assert.Equal(t, Deleting, syncMachine.CurrentState())
assert.EqualError(t, syncMachine.Delete(), "cluster is stopping or deleting")
_, err := syncMachine.Stop()
assert.EqualError(t, err, "cluster is stopping or deleting")
_, err = syncMachine.Start(context.Background(), types.StartConfig{})
assert.EqualError(t, err, "cluster is busy")
deleteCh <- struct{}{}
lock.Wait()
assert.Equal(t, Idle, syncMachine.CurrentState())
}
func TestCancelStart(t *testing.T) {
isRunning := make(chan struct{}, 1)
deleteCh := make(chan struct{}, 1)
waitingMachine := &waitingMachine{
isRunning: isRunning,
startCompleteCh: make(chan struct{}, 1),
deleteCompleteCh: deleteCh,
}
syncMachine := NewSynchronizedMachine(waitingMachine)
assert.Equal(t, Idle, syncMachine.CurrentState())
lock := &sync.WaitGroup{}
lock.Add(1)
go func() {
defer lock.Done()
_, err := syncMachine.Start(context.Background(), types.StartConfig{})
assert.EqualError(t, err, "context canceled")
}()
<-isRunning
assert.Equal(t, Starting, syncMachine.CurrentState())
lock.Add(1)
go func() {
defer lock.Done()
assert.NoError(t, syncMachine.Delete())
}()
deleteCh <- struct{}{}
lock.Wait()
assert.Equal(t, Idle, syncMachine.CurrentState())
}
type waitingMachine struct {
isRunning chan struct{}
startCompleteCh chan struct{}
stopCompleteCh chan struct{}
deleteCompleteCh chan struct{}
}
func (m *waitingMachine) IsRunning() (bool, error) {
return false, errors.New("not implemented")
}
func (m *waitingMachine) GetName() string {
return "waiting machine"
}
func (m *waitingMachine) Delete() error {
m.isRunning <- struct{}{}
<-m.deleteCompleteCh
return nil
}
func (m *waitingMachine) Exists() (bool, error) {
return false, errors.New("not implemented")
}
func (m *waitingMachine) GetConsoleURL() (*types.ConsoleResult, error) {
return nil, errors.New("not implemented")
}
func (m *waitingMachine) ConnectionDetails() (*types.ConnectionDetails, error) {
return nil, errors.New("not implemented")
}
func (m *waitingMachine) PowerOff() error {
return nil
}
func (m *waitingMachine) Start(context context.Context, _ types.StartConfig) (*types.StartResult, error) {
m.isRunning <- struct{}{}
select {
case <-context.Done():
return nil, context.Err()
case <-m.startCompleteCh:
return &types.StartResult{
Status: state.Running,
KubeletStarted: true,
}, nil
}
}
func (m *waitingMachine) Status() (*types.ClusterStatusResult, error) {
return nil, errors.New("not implemented")
}
func (m *waitingMachine) Stop() (state.State, error) {
m.isRunning <- struct{}{}
<-m.stopCompleteCh
return state.Stopped, nil
}
func (m *waitingMachine) GenerateBundle(_ bool) error {
return errors.New("not implemented")
}
func (m *waitingMachine) GetPreset() crcPreset.Preset {
return crcPreset.OpenShift
}
func (m *waitingMachine) GetClusterLoad() (*types.ClusterLoadResult, error) {
return nil, errors.New("not implemented")
}
|
