tests: code coverage with coveralls

.travis.yml

@@ -7,14 +7,19 @@ env:
         - LDFLAGS="-L${HOME}/fakeroot/lib"
         - PIP_DOWNLOAD_CACHE="${HOME}/.pip-cache"
         - CFLAGS="${CFLAGS} -DNDEBUG"
+        - PATH="${PATH}:${HOME}/.local/bin"
 before_script:
     - ./scripts/bootstrap-depends.sh ${HOME}/fakeroot
     - pip install --user travis -r tests/pydnstest/requirements.txt
+    - pip install --user travis cpp-coveralls
 script:
     - autoreconf -i
-    - ./configure --enable-integration-tests
+    - ./configure --enable-integration-tests --enable-code-coverage
     - make
     - make check
+after_script:
+    - cd lib
+    - coveralls -E include --gcov-options '\-lp'
 sudo: false
 cache:
     directories:

README.md

 # Knot DNS Resolver
 
 [![Build Status](https://travis-ci.org/CZNIC-Labs/knot-resolver.svg?branch=master)](https://travis-ci.org/CZNIC-Labs/knot-resolver)
+[![Coverage Status](https://coveralls.io/repos/CZNIC-Labs/knot-resolver/badge.svg?branch=master)](https://coveralls.io/r/CZNIC-Labs/knot-resolver?branch=master)
 
 The Knot DNS Resolver is a minimalistic caching resolver implementation. The project provides both a resolver
 library and a small daemon. Modular architecture of the library keeps the core tiny and efficient, and provides

configure.ac

@@ -46,6 +46,15 @@ AM_CONDITIONAL([BUILD_TESTS], [test "$build_tests" == "yes"])
 AM_CONDITIONAL([BUILD_INTEGRATION], [test "$build_integration" == "yes"])
 AM_CONDITIONAL([BUILD_DAEMON], [test "$build_daemon" == "yes"])
 
+# Check for code coverage
+AC_ARG_ENABLE([code-coverage],
+	      AS_HELP_STRING([--enable-code-coverage], [enable code coverage, default: no]),
+	      [code_coverage=yes], [code_coverage=no])
+if test "x${code_coverage}" == "xyes"; then
+	CFLAGS="${CFLAGS} --coverage -O0 -g"
+fi
+
+
 # Search other libraries
 AC_SEARCH_LIBS([mdb_env_open], [lmdb])
 

tests/Makefile.am

@@ -20,6 +20,7 @@ check_PROGRAMS = \
 check-compile-only: $(check_PROGRAMS)
 check-local-exec: $(check_PROGRAMS)
 	@echo "---- Executing unit tests ----"
+	@cd $(top_builddir)
 	$(top_builddir)/tests/runtests -b $(top_builddir)/tests $(check_PROGRAMS)
 
 else
@@ -44,7 +45,8 @@ convenience-link: $(check_LTLIBRARIES)
 
 check-local-integration: convenience-link
 	@echo "---- Executing integration tests ----"
-	@$(abs_builddir)/test_integration.py testdata
+	@cd $(top_builddir)
+	@$(top_builddir)/tests/test_integration.py testdata
 
 clean-local:
 	@for soname in `echo | $(EGREP) "^dlname=" $(check_LTLIBRARIES) | $(SED) -e "s|^dlname='\(.*\)'|\1|"`; do  \