refactor: deskflow-core take over --version arg for App class

change the serverAppTest to not call version

src/lib/deskflow/App.cpp

@@ -66,18 +66,6 @@ App::~App()
   delete m_args;
 }
 
-void App::version()
-{
-  const auto kBufferLength = 1024;
-  std::vector<char> buffer(kBufferLength);
-  std::snprintf(                                                   // NOSONAR
-      buffer.data(), kBufferLength, "%s v%s, protocol v%d.%d\n%s", //
-      argsBase().m_pname, kDisplayVersion, kProtocolMajorVersion, kProtocolMinorVersion, kCopyright
-  );
-
-  std::cout << std::string(buffer.data()) << std::endl;
-}
-
 int App::run(int argc, char **argv)
 {
 #if MAC_OS_X_VERSION_10_7

src/lib/deskflow/App.h

@@ -58,7 +58,6 @@ public:
   virtual const char *daemonInfo() const = 0;
   virtual std::string configSection() const = 0;
 
-  virtual void version();
   void setByeFunc(void (*bye)(int)) override
   {
     m_bye = bye;
@@ -142,8 +141,7 @@ constexpr static auto s_helpGeneralArgs = //
     "      --tls-cert           specify the path to the TLS certificate file.\n";
 
 constexpr static auto s_helpVersionArgs = //
-    "  -h, --help               display this help and exit.\n"
-    "      --version            display version information and exit.\n";
+    "  -h, --help               display this help and exit.\n";
 
 constexpr static auto s_helpCommonArgs = //
     " [--name <screen-name>]"

src/lib/deskflow/ArgParser.cpp

@@ -145,11 +145,6 @@ bool ArgParser::parseGenericArgs(int argc, const char *const *argv, int &i) cons
       m_app->help();
     }
     argsBase().m_shouldExitOk = true;
-  } else if (isArg(i, argc, argv, nullptr, "--version")) {
-    if (m_app) {
-      m_app->version();
-    }
-    argsBase().m_shouldExitOk = true;
   } else if (isArg(i, argc, argv, nullptr, "--server")) {
     // HACK: stop error happening when using portable (deskflowp)
   } else if (isArg(i, argc, argv, nullptr, "--client")) {

src/lib/deskflow/CoreArgParser.cpp

@@ -10,8 +10,10 @@
 #include "common/Constants.h"
 #include "common/ExitCodes.h"
 #include "common/Settings.h"
+#include "deskflow/ProtocolTypes.h"
 
-const QString CoreArgParser::s_headerText = QStringLiteral("%1-core: %2\n").arg(kAppId, kDisplayVersion);
+const QString CoreArgParser::s_appName = QStringLiteral("%1-core").arg(kAppId);
+const QString CoreArgParser::s_headerText = QStringLiteral("%1: %2\n").arg(s_appName, kDisplayVersion);
 
 CoreArgParser::CoreArgParser(const QStringList &args)
 {
@@ -61,7 +63,11 @@ QString CoreArgParser::helpText() const
 
 QString CoreArgParser::versionText() const
 {
-  return QStringLiteral("%1%2\n").arg(s_headerText, kCopyright);
+  const static auto vString = QStringLiteral("%1 v%2, protocol v%3.%4\n%5\n");
+  return vString.arg(
+      s_appName, kDisplayVersion, QString::number(kProtocolMajorVersion), QString::number(kProtocolMinorVersion),
+      kCopyright
+  );
 }
 
 QString CoreArgParser::errorText() const

src/lib/deskflow/CoreArgParser.h

@@ -40,5 +40,6 @@ private:
   QString m_helpText;
   bool m_clientMode = false;
   bool m_serverMode = false;
+  static const QString s_appName;
   static const QString s_headerText;
 };

src/unittests/deskflow/ServerAppTests.cpp

@@ -10,31 +10,11 @@
 #include "deskflow/ServerApp.h"
 #include "deskflow/ServerArgs.h"
 
-#include <iostream>
-
-class MockServerApp : public ServerApp
+void ServerAppTests::section()
 {
-public:
-  MockServerApp() : ServerApp(nullptr)
-  {
-  }
-};
-
-void ServerAppTests::version()
-{
-  MockServerApp app;
+  ServerApp app(nullptr);
   QVERIFY(!app.args().m_config);
-
-  std::stringstream buffer;
-  std::streambuf *old = std::cout.rdbuf(buffer.rdbuf());
-
-  app.version();
-
-  std::cout.rdbuf(old);
-
-  static QRegularExpression yearReg(".*[0-9]{4}-[0-9]{4} Deskflow Devs.*");
-  auto result = yearReg.match(QString::fromLatin1(buffer.str()));
-  QVERIFY(result.hasMatch());
+  QCOMPARE(app.configSection(), "server");
 }
 
 QTEST_MAIN(ServerAppTests)

src/unittests/deskflow/ServerAppTests.h

@@ -11,5 +11,5 @@ class ServerAppTests : public QObject
   Q_OBJECT
 private Q_SLOTS:
   // Test are run in order top to bottom
-  void version();
+  void section();
 };