From f30eba63cb3f5e3aa5d81d6b31d1ba2fdee1e5c4 Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Tue, 3 Jan 2023 14:31:49 +0100
Subject: Add test coverage info

---
 Makefile       |  8 +++++---
 common.mk      | 13 ++++++++++++
 debian/control |  2 +-
 tests/Makefile | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 4 files changed, 80 insertions(+), 6 deletions(-)

diff --git a/Makefile b/Makefile
index cc79b02..d9b55db 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@ PLUGINS= \
          webbox \
          weblog
 
-CXXFLAGS+=-fPIE -DVERSION=\"$(VERSION)\"
+CXXFLAGS+=-fPIE
 
 LDLIBS+=\
 -lreichwein \
@@ -58,8 +58,7 @@ all: build
 $(PROJECTNAME): $(SRC:.cpp=.o)
 	$(CXX) $(LDFLAGS) $^ $(LDLIBS) $(LIBS) -o $@
 
-$(PLUGINS):
-	cd plugins/$@ && $(MAKE)
+dep: $(SRC:.cpp=.d)
 
 %.d: %.cpp
 	$(CXX) $(CXXFLAGS) -MM -MP -MF $@ -c $<
@@ -67,6 +66,9 @@ $(PLUGINS):
 %.o: %.cpp %.d
 	$(CXX) $(CXXFLAGS) -c $< -o $@
 
+$(PLUGINS):
+	cd plugins/$@ && $(MAKE)
+
 # dependencies
 
 ADD_DEP=Makefile
diff --git a/common.mk b/common.mk
index badfc9d..9f1d074 100644
--- a/common.mk
+++ b/common.mk
@@ -73,17 +73,30 @@ LIBS+= \
 #-lc++abi
 #-lc++fs
 #-lstdc++fs
+LLVMPROFDATA=llvm-profdata-11
+LLVMCOV=llvm-cov-11
+CXXTYPE=clang++
 else ifeq ($(CXX),clang++-14)
 LIBS+= \
 -fuse-ld=lld-14 \
 -lstdc++
+LLVMPROFDATA=llvm-profdata-14
+LLVMCOV=llvm-cov-14
+CXXTYPE=clang++
 else ifeq ($(CXX),clang++-13)
 LIBS+= \
 -fuse-ld=lld-13 \
 -lstdc++
+LLVMPROFDATA=llvm-profdata-13
+LLVMCOV=llvm-cov-13
+CXXTYPE=clang++
 else
 LIBS+= \
 -lstdc++ \
 -lstdc++fs
+CXXTYPE=g++
 endif
 
+SRC_ROOT=$(shell echo $(MAKEFILE_LIST) | tr " " "\n" | grep common.mk | sed -e 's/\([^ ]*\)common.mk/\1/g')
+VERSION=$(shell dpkg-parsechangelog --show-field Version --file $(SRC_ROOT)/debian/changelog)
+CXXFLAGS+=-DVERSION=\"$(VERSION)\"
diff --git a/debian/control b/debian/control
index 8a0a9fd..a48c5df 100644
--- a/debian/control
+++ b/debian/control
@@ -2,7 +2,7 @@ Source: webserver
 Section: httpd
 Priority: optional
 Maintainer: Roland Reichwein <mail@reichwein.it>
-Build-Depends: debhelper (>= 12), libssl-dev, libboost-all-dev | libboost1.71-all-dev, clang-13 | clang-11 | clang | g++-11 | g++, uglifyjs, python3-pkg-resources, htmlmin, cleancss, libreichwein-dev
+Build-Depends: debhelper (>= 12), libssl-dev, libboost-all-dev | libboost1.71-all-dev, clang | g++, llvm | g++, lld | g++, uglifyjs, python3-pkg-resources, htmlmin, cleancss, libreichwein-dev, gcovr
 Standards-Version: 4.5.0
 Homepage: http://www.reichwein.it/webserver/
 
diff --git a/tests/Makefile b/tests/Makefile
index d4c53cb..338800a 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -1,7 +1,18 @@
+CXXFLAGS=-g -O0
+
 include ../common.mk
 
 PROJECTNAME=test-webserver
 
+ifeq ($(CXXTYPE),clang++)
+CXXFLAGS+=-fprofile-instr-generate -fcoverage-mapping
+LDFLAGS+=-fprofile-instr-generate -fcoverage-mapping
+else
+# GCC
+CXXFLAGS+=--coverage
+LDFLAGS+=--coverage
+endif
+
 CXXFLAGS+= -I. -fPIE
 
 CXXTESTFLAGS=
@@ -19,15 +30,36 @@ LIBS=\
 
 LDFLAGS+=-pie
 
+UNITS=\
+    auth.cpp \
+    base64.cpp \
+    config.cpp \
+    http.cpp \
+    https.cpp \
+    os.cpp \
+    plugin.cpp \
+    privileges.cpp \
+    response.cpp \
+    statistics.cpp \
+    server.cpp \
+    webserver.cpp
+
 TESTSRC=\
     test-environment.cpp \
     test-webserver.cpp \
     $(PROGSRC)
 
 build: $(PROJECTNAME)
+ifeq ($(CXXTYPE),clang++)
+	LLVM_PROFILE_FILE="$(PROJECTNAME).profraw" ./$(PROJECTNAME)
+	$(LLVMPROFDATA) merge -sparse $(PROJECTNAME).profraw -o $(PROJECTNAME).profdata
+	$(LLVMCOV) report --ignore-filename-regex='google' --ignore-filename-regex='test-' --show-region-summary=0 -instr-profile $(PROJECTNAME).profdata $(PROJECTNAME)
+else
 	./$(PROJECTNAME)
+	gcovr -r ..
+endif
 
-$(PROJECTNAME): $(TESTSRC:.cpp=.o)
+$(PROJECTNAME): $(TESTSRC:.cpp=.o) $(UNITS:.cpp=.o)
 	$(CXX) $(LDFLAGS) $^ $(LDLIBS) $(LIBS) -o $@
 
 dep: $(TESTSRC:.cpp=.d)
@@ -38,10 +70,37 @@ dep: $(TESTSRC:.cpp=.d)
 %.o: %.cpp %.d
 	$(CXX) $(CXXFLAGS) $(CXXTESTFLAGS) -c $< -o $@
 
+auth.o: ../auth.cpp
+	$(CXX) $(CXXFLAGS) $(CXXTESTFLAGS) -c $< -o $@
+base64.o: ../base64.cpp
+	$(CXX) $(CXXFLAGS) $(CXXTESTFLAGS) -c $< -o $@
+config.o: ../config.cpp
+	$(CXX) $(CXXFLAGS) $(CXXTESTFLAGS) -c $< -o $@
+http.o: ../http.cpp
+	$(CXX) $(CXXFLAGS) $(CXXTESTFLAGS) -c $< -o $@
+https.o: ../https.cpp
+	$(CXX) $(CXXFLAGS) $(CXXTESTFLAGS) -c $< -o $@
+os.o: ../os.cpp
+	$(CXX) $(CXXFLAGS) $(CXXTESTFLAGS) -c $< -o $@
+plugin.o: ../plugin.cpp
+	$(CXX) $(CXXFLAGS) $(CXXTESTFLAGS) -c $< -o $@
+privileges.o: ../privileges.cpp
+	$(CXX) $(CXXFLAGS) $(CXXTESTFLAGS) -c $< -o $@
+response.o: ../response.cpp
+	$(CXX) $(CXXFLAGS) $(CXXTESTFLAGS) -c $< -o $@
+statistics.o: ../statistics.cpp
+	$(CXX) $(CXXFLAGS) $(CXXTESTFLAGS) -c $< -o $@
+server.o: ../server.cpp
+	$(CXX) $(CXXFLAGS) $(CXXTESTFLAGS) -c $< -o $@
+webserver.o: ../webserver.cpp
+	$(CXX) $(CXXFLAGS) $(CXXTESTFLAGS) -c $< -o $@
+
+ADD_DEP=Makefile
+
 # misc ---------------------------------------------------
 
 clean:
-	-rm -f *.o *.a *.d $(PROJECTNAME)
+	-rm -f *.o *.a *.d $(PROJECTNAME) *.gcda *.gcno *.profraw *.profdata *.gcov
 
 .PHONY: clean all install
 
-- 
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