feat: add persistent proxy profile management

internal/app/app_test.go

@@ -0,0 +1,69 @@
+package app_test
+
+import (
+	"path/filepath"
+	"testing"
+
+	"proxyctl/internal/app"
+	"proxyctl/internal/profile"
+)
+
+func TestUserCanCreateAndActivatePersistentSingleProxyProfile(t *testing.T) {
+	configFile := filepath.Join(t.TempDir(), "proxyctl", "profiles.json")
+	application, err := app.New(profile.NewFileStore(configFile))
+	if err != nil {
+		t.Fatalf("start application: %v", err)
+	}
+
+	result := application.Dispatch(app.Intent{
+		Kind: app.CreateProfile,
+		Profile: profile.Profile{
+			Name:      "office",
+			Mode:      profile.SingleMode,
+			SingleURL: "http://proxy.example:8080",
+			Bypass:    []string{"LOCALHOST", ".Example.com", "localhost"},
+		},
+	})
+	if result.Err != nil {
+		t.Fatalf("create Profile: %v", result.Err)
+	}
+
+	result = application.Dispatch(app.Intent{Kind: app.ActivateProfile, Name: "office"})
+	if result.Err != nil {
+		t.Fatalf("activate Profile: %v", result.Err)
+	}
+	if result.Snapshot.ActiveProfile != "office" {
+		t.Fatalf("Active Profile = %q, want office", result.Snapshot.ActiveProfile)
+	}
+	got := result.Snapshot.Profiles[0]
+	if got.SingleURL != "http://proxy.example:8080" {
+		t.Fatalf("single proxy value = %q", got.SingleURL)
+	}
+	if want := []string{"localhost", ".example.com"}; !equalStrings(got.Bypass, want) {
+		t.Fatalf("normalized Bypass = %#v, want %#v", got.Bypass, want)
+	}
+	if got.HTTPURL != "http://proxy.example:8080" || got.HTTPSURL != "http://proxy.example:8080" || got.AllURL != "http://proxy.example:8080" {
+		t.Fatalf("Single proxy was not expanded: %#v", got)
+	}
+
+	restarted, err := app.New(profile.NewFileStore(configFile))
+	if err != nil {
+		t.Fatalf("restart application: %v", err)
+	}
+	persisted := restarted.Snapshot()
+	if persisted.ActiveProfile != "office" || len(persisted.Profiles) != 1 {
+		t.Fatalf("persisted snapshot = %#v", persisted)
+	}
+}
+
+func equalStrings(got, want []string) bool {
+	if len(got) != len(want) {
+		return false
+	}
+	for i := range got {
+		if got[i] != want[i] {
+			return false
+		}
+	}
+	return true
+}