86 lines
1.8 KiB
Go
86 lines
1.8 KiB
Go
// +build linux
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package libcontainer
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import "testing"
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func TestStateStatus(t *testing.T) {
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states := map[containerState]Status{
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&stoppedState{}: Destroyed,
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&runningState{}: Running,
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&restoredState{}: Running,
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&pausedState{}: Paused,
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}
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for s, status := range states {
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if s.status() != status {
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t.Fatalf("state returned %s but expected %s", s.status(), status)
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}
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}
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}
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func isStateTransitionError(err error) bool {
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_, ok := err.(*stateTransitionError)
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return ok
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}
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func TestStoppedStateTransition(t *testing.T) {
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s := &stoppedState{c: &linuxContainer{}}
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valid := []containerState{
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&stoppedState{},
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&runningState{},
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&restoredState{},
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}
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for _, v := range valid {
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if err := s.transition(v); err != nil {
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t.Fatal(err)
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}
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}
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err := s.transition(&pausedState{})
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if err == nil {
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t.Fatal("transition to paused state should fail")
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}
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if !isStateTransitionError(err) {
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t.Fatal("expected stateTransitionError")
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}
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}
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func TestPausedStateTransition(t *testing.T) {
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s := &pausedState{c: &linuxContainer{}}
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valid := []containerState{
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&pausedState{},
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&runningState{},
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}
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for _, v := range valid {
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if err := s.transition(v); err != nil {
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t.Fatal(err)
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}
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}
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err := s.transition(&stoppedState{})
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if err == nil {
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t.Fatal("transition to stopped state should fail")
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}
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if !isStateTransitionError(err) {
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t.Fatal("expected stateTransitionError")
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}
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}
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func TestRestoredStateTransition(t *testing.T) {
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s := &restoredState{c: &linuxContainer{}}
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valid := []containerState{
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&stoppedState{},
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&runningState{},
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}
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for _, v := range valid {
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if err := s.transition(v); err != nil {
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t.Fatal(err)
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}
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}
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err := s.transition(&nullState{})
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if err == nil {
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t.Fatal("transition to null state should fail")
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}
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if !isStateTransitionError(err) {
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t.Fatal("expected stateTransitionError")
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}
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}
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