internal/app: relocate ops condition

This allows reuse and finer grained testing of fromConfig.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/app/outcome_test.go

@@ -0,0 +1,77 @@
+package app
+
+import (
+	"reflect"
+	"testing"
+
+	"hakurei.app/hst"
+	"hakurei.app/internal/app/state"
+)
+
+func TestOutcomeStateValid(t *testing.T) {
+	testCases := []struct {
+		name string
+		s    *outcomeState
+		want bool
+	}{
+		{"nil", nil, false},
+		{"zero", new(outcomeState), false},
+		{"id", &outcomeState{Container: new(hst.ContainerConfig), EnvPaths: new(EnvPaths)}, false},
+		{"container", &outcomeState{ID: new(state.ID), EnvPaths: new(EnvPaths)}, false},
+		{"envpaths", &outcomeState{ID: new(state.ID), Container: new(hst.ContainerConfig)}, false},
+		{"valid", &outcomeState{ID: new(state.ID), Container: new(hst.ContainerConfig), EnvPaths: new(EnvPaths)}, true},
+	}
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			if got := tc.s.valid(); got != tc.want {
+				t.Errorf("valid: %v, want %v", got, tc.want)
+			}
+		})
+	}
+}
+
+func TestFromConfig(t *testing.T) {
+	testCases := []struct {
+		name   string
+		config *hst.Config
+		want   []outcomeOp
+	}{
+		{"ne", new(hst.Config), []outcomeOp{
+			&spParamsOp{},
+			spFilesystemOp{},
+			spRuntimeOp{},
+			spTmpdirOp{},
+			spAccountOp{},
+			spFinal{},
+		}},
+		{"wayland pulse", &hst.Config{Enablements: hst.NewEnablements(hst.EWayland | hst.EPulse)}, []outcomeOp{
+			&spParamsOp{},
+			spFilesystemOp{},
+			spRuntimeOp{},
+			spTmpdirOp{},
+			spAccountOp{},
+			&spWaylandOp{},
+			&spPulseOp{},
+			spFinal{},
+		}},
+		{"all", &hst.Config{Enablements: hst.NewEnablements(0xff)}, []outcomeOp{
+			&spParamsOp{},
+			spFilesystemOp{},
+			spRuntimeOp{},
+			spTmpdirOp{},
+			spAccountOp{},
+			&spWaylandOp{},
+			&spX11Op{},
+			&spPulseOp{},
+			&spDBusOp{},
+			spFinal{},
+		}},
+	}
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			if got := fromConfig(tc.config); !reflect.DeepEqual(got, tc.want) {
+				t.Errorf("fromConfig: %#v, want %#v", got, tc.want)
+			}
+		})
+	}
+}