feat: persist chub settings and instances

internal/platform/config/store_test.go

@@ -0,0 +1,41 @@
+package config
+
+import (
+	"path/filepath"
+	"testing"
+
+	"chub/internal/domain"
+)
+
+func TestStoreRoundTripAndCreatesPrivateFile(t *testing.T) {
+	path := filepath.Join(t.TempDir(), "nested", "config.json")
+	store, err := New(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+	want := File{Settings: Settings{ChromePath: "chrome.exe", CloseOnExit: true}, Instances: []Instance{{ID: "a", Name: "运营", Launch: domain.LaunchSpec{Kind: domain.BrowserChrome, UserDataDir: `C:\profiles\a`}}}}
+	if err := store.Save(want); err != nil {
+		t.Fatal(err)
+	}
+	got, err := store.Load()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if got.Version != currentVersion || got.Settings != want.Settings || len(got.Instances) != 1 || got.Instances[0].ID != "a" {
+		t.Fatalf("round trip mismatch: %#v", got)
+	}
+}
+
+func TestStoreMissingFileReturnsDefaults(t *testing.T) {
+	store, err := New(filepath.Join(t.TempDir(), "config.json"))
+	if err != nil {
+		t.Fatal(err)
+	}
+	got, err := store.Load()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if got.Version != currentVersion || len(got.Instances) != 0 {
+		t.Fatalf("unexpected defaults: %#v", got)
+	}
+}