| package impl |
| |
| import ( |
| "io/ioutil" |
| "os" |
| "testing" |
| ) |
| |
| // TestInstallationState verifies the state transition logic for app installations. |
| func TestInstallationState(t *testing.T) { |
| dir, err := ioutil.TempDir("", "installation") |
| if err != nil { |
| t.Fatalf("Failed to create temp dir: %v", err) |
| } |
| defer os.RemoveAll(dir) |
| // Uninitialized state. |
| if transitionInstallation(dir, active, uninstalled) == nil { |
| t.Fatalf("transitionInstallation should have failed") |
| } |
| if isActive, isUninstalled := installationStateIs(dir, active), installationStateIs(dir, uninstalled); isActive || isUninstalled { |
| t.Fatalf("isActive, isUninstalled = %t, %t (expected false, false)", isActive, isUninstalled) |
| } |
| // Initialize. |
| if err := initializeInstallation(dir, active); err != nil { |
| t.Fatalf("initializeInstallation failed: %v", err) |
| } |
| if !installationStateIs(dir, active) { |
| t.Fatalf("Installation state expected to be %v", active) |
| } |
| if err := transitionInstallation(dir, active, uninstalled); err != nil { |
| t.Fatalf("transitionInstallation failed: %v", err) |
| } |
| if !installationStateIs(dir, uninstalled) { |
| t.Fatalf("Installation state expected to be %v", uninstalled) |
| } |
| // Invalid transition: wrong initial state. |
| if transitionInstallation(dir, active, uninstalled) == nil { |
| t.Fatalf("transitionInstallation should have failed") |
| } |
| if !installationStateIs(dir, uninstalled) { |
| t.Fatalf("Installation state expected to be %v", uninstalled) |
| } |
| } |
| |
| // TestInstanceState verifies the state transition logic for app instances. |
| func TestInstanceState(t *testing.T) { |
| dir, err := ioutil.TempDir("", "instance") |
| if err != nil { |
| t.Fatalf("Failed to create temp dir: %v", err) |
| } |
| defer os.RemoveAll(dir) |
| // Uninitialized state. |
| if transitionInstance(dir, starting, started) == nil { |
| t.Fatalf("transitionInstance should have failed") |
| } |
| // Initialize. |
| if err := initializeInstance(dir, suspending); err != nil { |
| t.Fatalf("initializeInstance failed: %v", err) |
| } |
| if err := transitionInstance(dir, suspending, suspended); err != nil { |
| t.Fatalf("transitionInstance failed: %v", err) |
| } |
| // Invalid transition: wrong initial state. |
| if transitionInstance(dir, suspending, suspended) == nil { |
| t.Fatalf("transitionInstance should have failed") |
| } |
| if err := transitionInstance(dir, suspended, stopped); err != nil { |
| t.Fatalf("transitionInstance failed: %v", err) |
| } |
| } |
