SelfTests are registered and executed after logging framework init.

Fixes #2228.

src/BoundingBox.cpp

@@ -5,6 +5,7 @@
 #include "Globals.h"
 #include "BoundingBox.h"
 #include "Defines.h"
+#include "SelfTests.h"
 
 
 
@@ -17,6 +18,11 @@ static class SelfTest_BoundingBox
 {
 public:
 	SelfTest_BoundingBox(void)
+	{
+		cSelfTests::Get().Register(cSelfTests::SelfTestFunction(&Test), "Bounding box intersections");
+	}
+
+	static void Test(void)
 	{
 		Vector3d Min(1, 1, 1);
 		Vector3d Max(2, 2, 2);
@@ -41,7 +47,7 @@ public:
 			bool res = cBoundingBox::CalcLineIntersection(Min, Max, Line1, Line2, LineCoeff, Face);
 			if (res != Results[i])
 			{
-				fprintf(stderr, "LineIntersection({%.02f, %.02f, %.02f}, {%.02f, %.02f, %.02f}) -> %d, %.05f, %d\n",
+				LOGERROR("LineIntersection({%.02f, %.02f, %.02f}, {%.02f, %.02f, %.02f}) -> %d, %.05f, %d",
 					Line1.x, Line1.y, Line1.z,
 					Line2.x, Line2.y, Line2.z,
 					res ? 1 : 0, LineCoeff, Face
@@ -52,7 +58,7 @@ public:
 			{
 				if (LineCoeff != LineCoeffs[i])
 				{
-					fprintf(stderr, "LineIntersection({%.02f, %.02f, %.02f}, {%.02f, %.02f, %.02f}) -> %d, %.05f, %d\n",
+					LOGERROR("LineIntersection({%.02f, %.02f, %.02f}, {%.02f, %.02f, %.02f}) -> %d, %.05f, %d",
 						Line1.x, Line1.y, Line1.z,
 						Line2.x, Line2.y, Line2.z,
 						res ? 1 : 0, LineCoeff, Face
@@ -61,9 +67,8 @@ public:
 				}
 			}
 		}  // for i - LineDefs[]
-		fprintf(stderr, "BoundingBox selftest complete.\n");
 	}
-} gTest;
+} g_BoundingBoxTest;
 
 #endif
 

src/ByteBuffer.cpp

@@ -8,6 +8,7 @@
 #include "ByteBuffer.h"
 #include "Endianness.h"
 #include "OSSupport/IsThread.h"
+#include "SelfTests.h"
 
 
 
@@ -55,18 +56,18 @@ Unfortunately it is very slow, so it is disabled even for regular DEBUG builds.
 
 #ifdef SELF_TEST
 
-/// Self-test of the VarInt-reading and writing code
+/** Self-test of the VarInt-reading and writing code */
 static class cByteBufferSelfTest
 {
 public:
 	cByteBufferSelfTest(void)
 	{
-		TestRead();
-		TestWrite();
-		TestWrap();
+		cSelfTests::Get().Register(cSelfTests::SelfTestFunction(&TestRead),  "ByteBuffer read");
+		cSelfTests::Get().Register(cSelfTests::SelfTestFunction(&TestWrite), "ByteBuffer write");
+		cSelfTests::Get().Register(cSelfTests::SelfTestFunction(&TestWrap),  "ByteBuffer wraparound");
 	}
 	
-	void TestRead(void)
+	static void TestRead(void)
 	{
 		cByteBuffer buf(50);
 		buf.Write("\x05\xac\x02\x00", 4);
@@ -78,7 +79,7 @@ public:
 		assert_test(buf.ReadVarInt(v3) && (v3 == 0));
 	}
 	
-	void TestWrite(void)
+	static void TestWrite(void)
 	{
 		cByteBuffer buf(50);
 		buf.WriteVarInt32(5);
@@ -90,7 +91,7 @@ public:
 		assert_test(memcmp(All.data(), "\x05\xac\x02\x00", All.size()) == 0);
 	}
 	
-	void TestWrap(void)
+	static void TestWrap(void)
 	{
 		cByteBuffer buf(3);
 		for (int i = 0; i < 1000; i++)

src/CMakeLists.txt

@@ -61,6 +61,7 @@ SET (SRCS
 	RCONServer.cpp
 	Root.cpp
 	Scoreboard.cpp
+	SelfTests.cpp
 	Server.cpp
 	SetChunkData.cpp
 	SpawnPrepare.cpp
@@ -134,6 +135,7 @@ SET (HDRS
 	RCONServer.h
 	Root.h
 	Scoreboard.h
+	SelfTests.h
 	Server.h
 	SetChunkData.h
 	SettingsRepositoryInterface.h

src/CompositeChat.cpp

@@ -6,6 +6,7 @@
 #include "Globals.h"
 #include "CompositeChat.h"
 #include "ClientHandle.h"
+#include "SelfTests.h"
 
 
 
@@ -19,16 +20,14 @@ class SelfTest_CompositeChat
 public:
 	SelfTest_CompositeChat(void)
 	{
-		fprintf(stderr, "cCompositeChat self test...\n");
-		TestParser1();
-		TestParser2();
-		TestParser3();
-		TestParser4();
-		TestParser5();
-		fprintf(stderr, "cCompositeChat self test finished.\n");
+		cSelfTests::Get().Register(cSelfTests::SelfTestFunction(&TestParser1), "CompositeChat parser test 1");
+		cSelfTests::Get().Register(cSelfTests::SelfTestFunction(&TestParser2), "CompositeChat parser test 2");
+		cSelfTests::Get().Register(cSelfTests::SelfTestFunction(&TestParser3), "CompositeChat parser test 3");
+		cSelfTests::Get().Register(cSelfTests::SelfTestFunction(&TestParser4), "CompositeChat parser test 4");
+		cSelfTests::Get().Register(cSelfTests::SelfTestFunction(&TestParser5), "CompositeChat parser test 5");
 	}
 	
-	void TestParser1(void)
+	static void TestParser1(void)
 	{
 		cCompositeChat Msg;
 		Msg.ParseText("Testing @2color codes and http://links parser");
@@ -44,7 +43,7 @@ public:
 		assert_test(Parts[3]->m_Style == "@2");
 	}
 	
-	void TestParser2(void)
+	static void TestParser2(void)
 	{
 		cCompositeChat Msg;
 		Msg.ParseText("@3Advanced stuff: @5overriding color codes and http://links.with/@4color-in-them handling");
@@ -60,7 +59,7 @@ public:
 		assert_test(Parts[3]->m_Style == "@5");
 	}
 	
-	void TestParser3(void)
+	static void TestParser3(void)
 	{
 		cCompositeChat Msg;
 		Msg.ParseText("http://links.starting the text");
@@ -72,7 +71,7 @@ public:
 		assert_test(Parts[1]->m_Style == "");
 	}
 	
-	void TestParser4(void)
+	static void TestParser4(void)
 	{
 		cCompositeChat Msg;
 		Msg.ParseText("links finishing the text: http://some.server");
@@ -84,7 +83,7 @@ public:
 		assert_test(Parts[1]->m_Style == "");
 	}
 	
-	void TestParser5(void)
+	static void TestParser5(void)
 	{
 		cCompositeChat Msg;
 		Msg.ParseText("http://only.links");

src/Generating/PieceGenerator.cpp

@@ -6,6 +6,7 @@
 
 #include "Globals.h"
 #include "PieceGenerator.h"
+#include "../SelfTests.h"
 
 
 
@@ -21,6 +22,11 @@ static class cPieceGeneratorSelfTest :
 {
 public:
 	cPieceGeneratorSelfTest(void)
+	{
+		cSelfTests::Get().Register(std::bind(&cPieceGeneratorSelfTest::Test, this), "PieceGenerator");
+	}
+
+	void Test(void)
 	{
 		// Prepare the internal state:
 		InitializePieces();
@@ -31,14 +37,14 @@ public:
 		Gen.PlacePieces(500, 50, 500, 3, OutPieces);
 		
 		// Print out the pieces:
-		printf("OutPieces.size() = " SIZE_T_FMT "\n", OutPieces.size());
+		LOG("OutPieces.size() = " SIZE_T_FMT, OutPieces.size());
 		size_t idx = 0;
 		for (cPlacedPieces::const_iterator itr = OutPieces.begin(), end = OutPieces.end(); itr != end; ++itr, ++idx)
 		{
 			const Vector3i & Coords = (*itr)->GetCoords();
 			cCuboid Hitbox = (*itr)->GetHitBox();
 			Hitbox.Sort();
-			printf(SIZE_T_FMT ": {%d, %d, %d}, rot %d, hitbox {%d, %d, %d} - {%d, %d, %d} (%d * %d * %d)\n", idx,
+			LOG(SIZE_T_FMT ": {%d, %d, %d}, rot %d, hitbox {%d, %d, %d} - {%d, %d, %d} (%d * %d * %d)", idx,
 				Coords.x, Coords.y, Coords.z,
 				(*itr)->GetNumCCWRotations(),
 				Hitbox.p1.x, Hitbox.p1.y, Hitbox.p1.z,
@@ -46,7 +52,7 @@ public:
 				Hitbox.DifX() + 1, Hitbox.DifY() + 1, Hitbox.DifZ() + 1
 			);
 		}  // itr - OutPieces[]
-		printf("Done.\n");
+		LOG("Done.");
 		
 		// Free the placed pieces properly:
 		Gen.FreePieces(OutPieces);

src/OSSupport/NetworkInterfaceEnum.cpp

@@ -6,6 +6,8 @@
 #include "Globals.h"
 #include "Network.h"
 #include "event2/util.h"
+#include "../SelfTests.h"
+
 #ifdef _WIN32
 	#include <IPHlpApi.h>
 	#pragma comment(lib, "IPHLPAPI.lib")
@@ -27,13 +29,18 @@ static class cEnumIPAddressTest
 public:
 	cEnumIPAddressTest(void)
 	{
-		printf("Enumerating all IP addresses...\n");
+		cSelfTests::Get().Register(std::function<void(void)>(&Test), "Network IP enumeration");
+	}
+
+	static void Test(void)
+	{
+		LOG("Enumerating all IP addresses...");
 		auto IPs = cNetwork::EnumLocalIPAddresses();
 		for (auto & ip: IPs)
 		{
-			printf("  %s\n", ip.c_str());
+			LOG("  %s", ip.c_str());
 		}
-		printf("Done.\n");
+		LOG("Done.");
 	}
 } g_EnumIPAddressTest;
 

src/Root.cpp

@@ -21,6 +21,7 @@
 #include "IniFile.h"
 #include "SettingsRepositoryInterface.h"
 #include "OverridesSettingsRepository.h"
+#include "SelfTests.h"
 
 #ifdef _WIN32
 	#include <conio.h>
@@ -111,11 +112,16 @@ void cRoot::Start(std::unique_ptr<cSettingsRepositoryInterface> overridesRepo)
 	cLogger::GetInstance().AttachListener(consoleLogListener);
 	cLogger::GetInstance().AttachListener(fileLogListener);
 
-	LOG("--- Started Log ---\n");
+	LOG("--- Started Log ---");
 
 	#ifdef BUILD_ID
-	LOG("MCServer " BUILD_SERIES_NAME " build id: " BUILD_ID);
-	LOG("from commit id: " BUILD_COMMIT_ID " built at: " BUILD_DATETIME);
+		LOG("MCServer " BUILD_SERIES_NAME " build id: " BUILD_ID);
+		LOG("from commit id: " BUILD_COMMIT_ID " built at: " BUILD_DATETIME);
+	#endif
+
+	// Run the self-tests registered previously via cSelfTests::Register():
+	#if SELF_TEST
+		cSelfTests::ExecuteAll();
 	#endif
 
 	cDeadlockDetect dd;
@@ -869,3 +875,8 @@ int cRoot::GetFurnaceFuelBurnTime(const cItem & a_Fuel)
 	cFurnaceRecipe * FR = Get()->GetFurnaceRecipe();
 	return FR->GetBurnTime(a_Fuel);
 }
+
+
+
+
+

src/Root.h

@@ -38,7 +38,7 @@ namespace Json
 
 
 
-/// The root of the object hierarchy
+/** The root of the object hierarchy */
 // tolua_begin
 class cRoot
 {
@@ -217,6 +217,7 @@ private:
 
 	bool m_bRestart;
 
+
 	void LoadGlobalSettings();
 
 	/// Loads the worlds from settings.ini, creates the worldmap
@@ -238,3 +239,8 @@ private:
 
 	static void InputThread(cRoot & a_Params);
 };  // tolua_export
+
+
+
+
+

src/SelfTests.cpp

@@ -0,0 +1,71 @@
+
+// SelfTests.h
+
+// Implements the cSelfTests class representing the singleton used for registering self-tests
+// This class is only declared if SELF_TEST macro is defined.
+
+#include "Globals.h"
+#include "SelfTests.h"
+
+
+
+
+
+#if SELF_TEST
+	cSelfTests::cSelfTests(void):
+		m_AllowRegistering(true)
+	{
+	}
+
+
+
+
+
+	cSelfTests & cSelfTests::Get(void)
+	{
+		static cSelfTests singleton;
+		return singleton;
+	}
+
+
+
+
+
+	void cSelfTests::Register(cSelfTests::SelfTestFunction a_FnToExecute, const AString & a_TestName)
+	{
+		ASSERT(Get().m_AllowRegistering);
+		Get().m_SelfTests.push_back(std::make_pair(a_FnToExecute, a_TestName));
+	}
+
+
+
+
+
+	void cSelfTests::ExecuteAll(void)
+	{
+		Get().m_AllowRegistering = false;
+		LOG("--- Performing self-tests ---");
+		for (auto & test: Get().m_SelfTests)
+		{
+			LOG("Performing self-test: %s", test.second.c_str());
+			try
+			{
+				test.first();
+			}
+			catch (const std::exception & exc)
+			{
+				LOGWARNING("Exception in test %s: %s", test.second.c_str(), exc.what());
+			}
+			catch (...)
+			{
+				LOGWARNING("Unknown exception in test %s", test.second.c_str());
+			}
+		}  // for test - m_SelfTests[]
+		LOG("--- Self-tests finished ---");
+	}
+
+#endif  // SELF_TEST
+
+
+
+

src/SelfTests.h

@@ -0,0 +1,51 @@
+
+// SelfTests.h
+
+// Declares the cSelfTests class representing the singleton used for registering self-tests
+// This class is only declared if SELF_TEST macro is defined.
+
+
+
+
+
+#pragma once
+
+
+
+
+
+#ifdef SELF_TEST
+	/** Singleton containing registered self-tests.
+	Used to schedule self-tests to run after the logging framework is initialized (#2228). */
+	class cSelfTests
+	{
+	public:
+		/** Returns the singleton instance of this class. */
+		static cSelfTests & Get(void);
+
+		// typedef void (* SelfTestFunction)(void);
+		typedef std::function<void(void)> SelfTestFunction;
+
+		/** Registers a self-test to be executed once the logging framework is initialized. */
+		static void Register(SelfTestFunction a_FnToExecute, const AString & a_TestName);
+
+		/** Executes all the registered self-tests. */
+		static void ExecuteAll(void);
+
+	protected:
+		typedef std::vector<std::pair<SelfTestFunction, AString>> SelfTestFunctions;
+
+		/** Functions (registered self-tests) to call once the logging framework is initialized. */
+		SelfTestFunctions m_SelfTests;
+
+		/** If true, tests may be registered. Set to false once the tests are executed, to detect tests that are registered too late. */
+		bool m_AllowRegistering;
+
+
+		cSelfTests(void);
+	};
+#endif  // SELF_TEST
+
+
+
+

src/WorldStorage/SchematicFileSerializer.cpp

@@ -9,6 +9,7 @@
 #include "FastNBT.h"
 #include "SchematicFileSerializer.h"
 #include "../StringCompression.h"
+#include "../SelfTests.h"
 
 
 
@@ -20,6 +21,11 @@ static class cSchematicStringSelfTest
 {
 public:
 	cSchematicStringSelfTest(void)
+	{
+		cSelfTests::Get().Register(cSelfTests::SelfTestFunction(&Test), "Schematic-to-string serialization");
+	}
+
+	static void Test(void)
 	{
 		cBlockArea ba;
 		ba.Create(21, 256, 21);