Function TestGC

core/mount/manager/manager_test.go:152–316

TestGC tests the garbage collecion features of the mount manager, ensuring that mounts are properly cleaned up when no longer needed.

(t *testing.T)

// TestGC tests the garbage collecion features of the mount manager,
// ensuring that mounts are properly cleaned up when no longer needed.
func TestGC(t *testing.T) {
	type gcrun struct {
		a      []mount.Mount
		o      []mount.ActivateOpt
		d      []string
		all    []string
		active []string
		brefs  map[string][]string
		remove []string
		gcErr  bool
	}

	for _, tc := range []struct {
		name   string
		gcruns []gcrun
	}{
		{
			name: "Simple",
			gcruns: []gcrun{
				{
					a: []mount.Mount{
						{
							Type: "noop",
						},
					},
					all:    []string{"0-0"},
					remove: []string{},
				},
				{
					all:    []string{"0-0"},
					remove: []string{"0-0"},
				},
				{},
			},
		},
		{
			name: "UnmountError",
			gcruns: []gcrun{
				{
					a: []mount.Mount{
						{
							Type: "error",
						},
					},
					all:    []string{"0-0"},
					remove: []string{},
				},
				{
					all:    []string{"0-0"},
					remove: []string{"0-0"},
					gcErr:  true, // Expect an error on garbage collection due to unmount error
				},
				{}, // Run again without error to bring mount count back to zero
			},
		},
		{
			name: "ActiveBrefs",
			gcruns: []gcrun{