modules/hyprland/backend: handle empty socket response

include/modules/hyprland/workspaces.hpp

@@ -4,14 +4,11 @@
 #include <gtkmm/label.h>
 #include <json/value.h>
 
-#include <cstddef>
 #include <cstdint>
 #include <map>
 #include <memory>
-#include <optional>
 #include <regex>
 #include <string>
-#include <variant>
 #include <vector>
 
 #include "AModule.hpp"
@@ -53,17 +50,19 @@ class Workspaces : public AModule, public EventHandler {
   void onEvent(const std::string& e) override;
   void updateWindowCount();
   void sortWorkspaces();
-  void createWorkspace(Json::Value const& workspaceData,
-                       Json::Value const& clientsData = Json::Value::nullRef);
+  void createWorkspace(Json::Value const& workspace_data,
+                       Json::Value const& clients_data = Json::Value::nullRef);
 
-  Json::Value createMonitorWorkspaceData(std::string const& name, std::string const& monitor);
+  static Json::Value createMonitorWorkspaceData(std::string const& name,
+                                                std::string const& monitor);
   void removeWorkspace(std::string const& name);
   void setUrgentWorkspace(std::string const& windowaddress);
 
   // Config
   void parseConfig(const Json::Value& config);
   auto populateIconsMap(const Json::Value& formatIcons) -> void;
-  auto populateBoolConfig(const Json::Value& config, const std::string& key, bool& member) -> void;
+  static auto populateBoolConfig(const Json::Value& config, const std::string& key, bool& member)
+      -> void;
   auto populateSortByConfig(const Json::Value& config) -> void;
   auto populateIgnoreWorkspacesConfig(const Json::Value& config) -> void;
   auto populateFormatWindowSeparatorConfig(const Json::Value& config) -> void;
@@ -98,7 +97,7 @@ class Workspaces : public AModule, public EventHandler {
   void doUpdate();
   void removeWorkspacesToRemove();
   void createWorkspacesToCreate();
-  std::vector<std::string> getVisibleWorkspaces();
+  static std::vector<std::string> getVisibleWorkspaces();
   void updateWorkspaceStates();
   bool updateWindowsToCreate();
 

src/modules/hyprland/backend.cpp

@@ -26,7 +26,7 @@ std::filesystem::path IPC::getSocketFolder(const char* instanceSig) {
   const char* xdgRuntimeDirEnv = std::getenv("XDG_RUNTIME_DIR");
   std::filesystem::path xdgRuntimeDir;
   // Only set path if env variable is set
-  if (xdgRuntimeDirEnv) {
+  if (xdgRuntimeDirEnv != nullptr) {
     xdgRuntimeDir = std::filesystem::path(xdgRuntimeDirEnv);
   }
 
@@ -218,7 +218,13 @@ std::string IPC::getSocket1Reply(const std::string& rq) {
 }
 
 Json::Value IPC::getSocket1JsonReply(const std::string& rq) {
-  return parser_.parse(getSocket1Reply("j/" + rq));
+  std::string reply = getSocket1Reply("j/" + rq);
+
+  if (reply.empty()) {
+    return {};
+  }
+
+  return parser_.parse(reply);
 }
 
 }  // namespace waybar::modules::hyprland

src/modules/hyprland/submap.cpp

@@ -38,12 +38,12 @@ Submap::~Submap() {
 }
 
 auto Submap::parseConfig(const Json::Value& config) -> void {
-  auto const alwaysOn = config["always-on"];
+  auto const& alwaysOn = config["always-on"];
   if (alwaysOn.isBool()) {
     always_on_ = alwaysOn.asBool();
   }
 
-  auto const defaultSubmap = config["default-submap"];
+  auto const& defaultSubmap = config["default-submap"];
   if (defaultSubmap.isString()) {
     default_submap_ = defaultSubmap.asString();
   }

src/modules/hyprland/windowcreationpayload.cpp

@@ -3,14 +3,11 @@
 #include <json/value.h>
 #include <spdlog/spdlog.h>
 
-#include <algorithm>
-#include <memory>
 #include <string>
 #include <utility>
 #include <variant>
 
 #include "modules/hyprland/workspaces.hpp"
-#include "util/regex_collection.hpp"
 
 namespace waybar::modules::hyprland {
 

src/modules/hyprland/workspace.cpp

@@ -1,14 +1,11 @@
 #include <json/value.h>
 #include <spdlog/spdlog.h>
 
-#include <algorithm>
 #include <memory>
 #include <string>
 #include <utility>
-#include <variant>
 
 #include "modules/hyprland/workspaces.hpp"
-#include "util/regex_collection.hpp"
 
 namespace waybar::modules::hyprland {
 

src/modules/hyprland/workspaces.cpp

@@ -7,7 +7,6 @@
 #include <memory>
 #include <string>
 #include <utility>
-#include <variant>
 
 #include "util/regex_collection.hpp"
 
@@ -593,14 +592,14 @@ auto Workspaces::populateIconsMap(const Json::Value &formatIcons) -> void {
 
 auto Workspaces::populateBoolConfig(const Json::Value &config, const std::string &key, bool &member)
     -> void {
-  auto configValue = config[key];
+  const auto &configValue = config[key];
   if (configValue.isBool()) {
     member = configValue.asBool();
   }
 }
 
 auto Workspaces::populateSortByConfig(const Json::Value &config) -> void {
-  auto configSortBy = config["sort-by"];
+  const auto &configSortBy = config["sort-by"];
   if (configSortBy.isString()) {
     auto sortByStr = configSortBy.asString();
     try {
@@ -633,7 +632,7 @@ auto Workspaces::populateIgnoreWorkspacesConfig(const Json::Value &config) -> vo
 }
 
 auto Workspaces::populateFormatWindowSeparatorConfig(const Json::Value &config) -> void {
-  auto formatWindowSeparator = config["format-window-separator"];
+  const auto &formatWindowSeparator = config["format-window-separator"];
   m_formatWindowSeparator =
       formatWindowSeparator.isString() ? formatWindowSeparator.asString() : " ";
 }

test/hyprland/backend.cpp

@@ -1,12 +1,10 @@
-#include <cstdlib>
 #if __has_include(<catch2/catch_test_macros.hpp>)
 #include <catch2/catch_test_macros.hpp>
 #else
 #include <catch2/catch.hpp>
 #endif
 
 #include "fixtures/IPCTestFixture.hpp"
-#include "modules/hyprland/backend.hpp"
 
 namespace fs = std::filesystem;
 namespace hyprland = waybar::modules::hyprland;
@@ -53,3 +51,11 @@ TEST_CASE_METHOD(IPCTestFixture, "XDGRuntimeDirExistsNoHyprDir", "[getSocketFold
   // Assert expected result
   REQUIRE(actualPath == expectedPath);
 }
+
+TEST_CASE_METHOD(IPCMock, "getSocket1JsonReply handles empty response", "[getSocket1JsonReply]") {
+  std::string request = "test_request";
+
+  Json::Value jsonResponse = getSocket1JsonReply(request);
+
+  REQUIRE(jsonResponse.isNull());
+}

test/hyprland/fixtures/IPCTestFixture.hpp

@@ -14,3 +14,9 @@ class IPCTestFixture : public hyprland::IPC {
 
  private:
 };
+
+class IPCMock : public IPCTestFixture {
+ public:
+  // Mock getSocket1Reply to return an empty string
+  static std::string getSocket1Reply(const std::string& rq) { return ""; }
+};