added `--verbose` option to zenserver-test and `xmake test` (#798)

* when `--verbose` is specified to zenserver-test, all child process output (typically, zenserver instances) is piped through to stdout. you can also pass `--verbose` to `xmake test` to accomplish the same thing.
* this PR also consolidates all test runner `main` function logic (such as from zencore-test, zenhttp-test etc) into central implementation in zencore for consistency and ease of maintenance
* also added extended utf8-tests including a fix to `Utf8ToWide()`

2 files changed, 14 insertions, 9 deletions

diff --git a/src/zenutil/include/zenutil/zenserverprocess.h b/src/zenutil/include/zenutil/zenserverprocess.h
index 954916fe2..e81b154e8 100644
--- a/src/zenutil/include/zenutil/zenserverprocess.h
+++ b/src/zenutil/include/zenutil/zenserverprocess.h
@@ -46,6 +46,9 @@ public:
 	inline std::string_view GetServerClass() const { return m_ServerClass; }
 	inline uint16_t			GetNewPortNumber() { return m_NextPortNumber.fetch_add(1); }
 
+	void SetPassthroughOutput(bool Enable) { m_PassthroughOutput = Enable; }
+	bool IsPassthroughOutput() const { return m_PassthroughOutput; }
+
 	// The defaults will work for a single root process only. For hierarchical
 	// setups (e.g., hub managing storage servers), we need to be able to
 	// allocate distinct child IDs and ports to avoid overlap/conflicts.
@@ -55,9 +58,10 @@ public:
 private:
 	std::filesystem::path m_ProgramBaseDir;
 	std::filesystem::path m_ChildProcessBaseDir;
-	bool				  m_IsInitialized  = false;
-	bool				  m_IsTestInstance = false;
-	bool				  m_IsHubInstance  = false;
+	bool				  m_IsInitialized	  = false;
+	bool				  m_IsTestInstance	  = false;
+	bool				  m_IsHubInstance	  = false;
+	bool				  m_PassthroughOutput = false;
 	std::string			  m_ServerClass;
 	std::atomic_uint16_t  m_NextPortNumber{20000};
 };
diff --git a/src/zenutil/zenserverprocess.cpp b/src/zenutil/zenserverprocess.cpp
index 0f8ab223d..e127a92d7 100644
--- a/src/zenutil/zenserverprocess.cpp
+++ b/src/zenutil/zenserverprocess.cpp
@@ -829,12 +829,13 @@ ZenServerInstance::SpawnServerInternal(int ChildId, std::string_view ServerArgs,
 	const std::filesystem::path BaseDir = m_Env.ProgramBaseDir();
 	const std::filesystem::path Executable =
 		m_ServerExecutablePath.empty() ? (BaseDir / "zenserver" ZEN_EXE_SUFFIX_LITERAL) : m_ServerExecutablePath;
-	const std::filesystem::path OutputPath =
-		OpenConsole ? std::filesystem::path{} : std::filesystem::temp_directory_path() / ("zenserver_" + m_Name + ".log");
-	CreateProcOptions CreateOptions = {
-		.WorkingDirectory = &CurrentDirectory,
-		.Flags			  = CreationFlags,
-		.StdoutFile		  = OutputPath,
+	const std::filesystem::path OutputPath	  = (OpenConsole || m_Env.IsPassthroughOutput())
+													? std::filesystem::path{}
+													: std::filesystem::temp_directory_path() / ("zenserver_" + m_Name + ".log");
+	CreateProcOptions			CreateOptions = {
+				  .WorkingDirectory = &CurrentDirectory,
+				  .Flags			= CreationFlags,
+				  .StdoutFile		= OutputPath,
 #if ZEN_PLATFORM_WINDOWS
 		.AssignToJob = m_JobObject,
 #endif