CrossRelay stage 2: Codex /v1/responses relay, config.toml manager, Codex page

internal/config/config_test.go

@@ -128,6 +128,102 @@ func TestDeleteProviderClearsActive(t *testing.T) {
 	}
 }
 
+func TestActivateCodexRoundTrip(t *testing.T) {
+	t.Setenv("CROSSRELAY_HOME", t.TempDir())
+	store, err := Load()
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	p, err := store.AddProvider("DeepSeek", "deepseek", "https://api.deepseek.com/v1", "sk-test",
+		Models{Default: "deepseek-chat"})
+	if err != nil {
+		t.Fatalf("AddProvider: %v", err)
+	}
+	if _, err := store.ActivateCodex(p.ID); err != nil {
+		t.Fatalf("ActivateCodex: %v", err)
+	}
+	if err := store.SetCodexPriorProvider("custom"); err != nil {
+		t.Fatalf("SetCodexPriorProvider: %v", err)
+	}
+
+	reloaded, err := Load()
+	if err != nil {
+		t.Fatalf("reload: %v", err)
+	}
+	active := reloaded.ActiveCodex()
+	if active == nil || active.Name != "DeepSeek" {
+		t.Fatalf("active codex provider after reload = %+v", active)
+	}
+	if !active.EnabledForCodex {
+		t.Error("enabled_for_codex not persisted")
+	}
+	if reloaded.Config().CodexPriorProvider != "custom" {
+		t.Errorf("prior provider = %q, want custom", reloaded.Config().CodexPriorProvider)
+	}
+
+	if err := reloaded.ClearActiveCodex(); err != nil {
+		t.Fatalf("ClearActiveCodex: %v", err)
+	}
+	if reloaded.ActiveCodex() != nil {
+		t.Error("active codex provider survived clear")
+	}
+	if _, err := reloaded.ActivateCodex("p_missing"); err == nil {
+		t.Error("ActivateCodex accepted an unknown id")
+	}
+}
+
+func TestUpdateProviderKeepsEnabledFlags(t *testing.T) {
+	t.Setenv("CROSSRELAY_HOME", t.TempDir())
+	store, err := Load()
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	p, err := store.AddProvider("DeepSeek", "deepseek", "https://api.deepseek.com/v1", "sk-test",
+		Models{Default: "deepseek-chat"})
+	if err != nil {
+		t.Fatalf("AddProvider: %v", err)
+	}
+	if _, err := store.ActivateClaude(p.ID); err != nil {
+		t.Fatalf("ActivateClaude: %v", err)
+	}
+	if _, err := store.ActivateCodex(p.ID); err != nil {
+		t.Fatalf("ActivateCodex: %v", err)
+	}
+	updated, err := store.UpdateProvider(p.ID, "DeepSeek 2", "deepseek", "https://api.deepseek.com/v1", "",
+		Models{Default: "deepseek-reasoner"})
+	if err != nil {
+		t.Fatalf("UpdateProvider: %v", err)
+	}
+	if !updated.EnabledForClaude || !updated.EnabledForCodex {
+		t.Errorf("enabled flags lost: claude=%v codex=%v", updated.EnabledForClaude, updated.EnabledForCodex)
+	}
+	if updated.APIKey != "sk-test" {
+		t.Errorf("api key = %q, want the stored key kept", updated.APIKey)
+	}
+}
+
+func TestDeleteProviderClearsCodexActive(t *testing.T) {
+	t.Setenv("CROSSRELAY_HOME", t.TempDir())
+	store, err := Load()
+	if err != nil {
+		t.Fatalf("Load: %v", err)
+	}
+	p, err := store.AddProvider("DeepSeek", "deepseek", "https://api.deepseek.com/v1", "sk-test",
+		Models{Default: "deepseek-chat"})
+	if err != nil {
+		t.Fatalf("AddProvider: %v", err)
+	}
+	if _, err := store.ActivateCodex(p.ID); err != nil {
+		t.Fatalf("ActivateCodex: %v", err)
+	}
+	if err := store.DeleteProvider(p.ID); err != nil {
+		t.Fatalf("DeleteProvider: %v", err)
+	}
+	if store.ActiveCodex() != nil {
+		t.Error("deleted provider stayed active for codex")
+	}
+}
+
 func TestSetGatewayValidation(t *testing.T) {
 	t.Setenv("CROSSRELAY_HOME", t.TempDir())
 	store, _ := Load()