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Add code coverage reporting

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* configure.ac: Add AX_CODE_COVERAGE.
* Makefile.am: Add rules 'check-coverage' and 'fuzz-coverage'.
* fuzz/Makefile.am: Amend LDADD, AM_CFLAGS and AM_CPPFLAGS.
* src/Makefile.am: Amend LDADD, AM_CFLAGS and AM_CPPFLAGS.

This add a new configure option, --enable-code-coverage.

With this option enabled, generate test code coverage with
  make code-coverage
and generate coverage for the fuzz test corpora with
  make fuzz-coverage
This commit is contained in:
Tim Rühsen 2020-03-05 20:23:21 +01:00
parent 6377ae1647
commit 238074e2b8
4 changed files with 36 additions and 6 deletions

27
Makefile.am
View File

@ -80,3 +80,30 @@ gen-ChangeLog:
check-valgrind:
TESTS_ENVIRONMENT="VALGRIND_TESTS=1" $(MAKE) check
LCOV_INFO=wget.info
clean-lcov:
rm -rf $(LCOV_INFO) */*.gc?? */.libs/*.gc?? lcov/
lcov --zerocounters --directory src/
check-coverage: clean clean-lcov
$(MAKE) CFLAGS="$(CFLAGS) --coverage" LDFLAGS="$(LDFLAGS) --coverage"
lcov --capture --initial --directory src/ --output-file $(LCOV_INFO)
$(MAKE) CFLAGS="$(CFLAGS) --coverage" LDFLAGS="$(LDFLAGS) --coverage" VALGRIND_TESTS=0 check
lcov --capture --directory src/ --output-file $(LCOV_INFO)
lcov --remove $(LCOV_INFO) '/usr/include/*' '*/lib/*' -o $(LCOV_INFO)
genhtml --prefix . --ignore-errors source $(LCOV_INFO) --legend --title "Wget" --output-directory=lcov
@echo
@echo "You can now view the coverage report with 'xdg-open lcov/index.html'"
fuzz-coverage: clean clean-lcov
$(MAKE) -C lib
$(MAKE) -C src CFLAGS="$(CFLAGS) --coverage" LDFLAGS="$(LDFLAGS) --coverage"
$(MAKE) -C fuzz check CFLAGS="$(CFLAGS) --coverage" LDFLAGS="$(LDFLAGS) --coverage"
lcov --capture --initial --directory fuzz --directory src --output-file $(LCOV_INFO)
lcov --capture --directory fuzz --directory src --output-file $(LCOV_INFO)
lcov --remove $(LCOV_INFO) '/usr/include/*' '*/lib/*' -o $(LCOV_INFO)
genhtml --prefix . --ignore-errors source $(LCOV_INFO) --legend --title "Wget-fuzz" --output-directory=lcov
@echo
@echo "You can now view the coverage report with 'xdg-open lcov/index.html'"

2
configure.ac
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@ -344,6 +344,8 @@ AC_CHECK_TYPES(sig_atomic_t, [], [], [
AM_ICONV
gl_INIT
AX_CODE_COVERAGE
dnl
dnl Checks for library functions.
dnl

5
fuzz/Makefile.am
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@ -1,12 +1,13 @@
AM_CFLAGS = -Wall -Wextra $(WERROR_CFLAGS) $(WARN_CFLAGS)
AM_CFLAGS = $(WERROR_CFLAGS) $(WARN_CFLAGS) $(CODE_COVERAGE_CFLAGS)
AM_CPPFLAGS = -I$(top_srcdir)/src -I$(srcdir) -I$(top_builddir)/lib -I$(top_srcdir)/lib \
$(CODE_COVERAGE_CPPFLAGS) \
-DSRCDIR=\"$(abs_srcdir)\"
LDADD = ../lib/libgnu.a \
$(GETADDRINFO_LIB) $(HOSTENT_LIB) $(INET_NTOP_LIB) $(INET_PTON_LIB) \
$(LIBSOCKET) $(LIB_CLOCK_GETTIME) $(LIB_CRYPTO) $(LIB_GETLOGIN) $(LIB_NANOSLEEP) $(LIB_POLL) \
$(LIB_POSIX_SPAWN) $(LIB_PTHREAD_SIGMASK) $(LIB_SELECT) $(LIBICONV) $(LIBINTL) \
$(LIBMULTITHREAD) $(LIBTHREAD) $(SERVENT_LIB) @INTL_MACOSX_LIBS@ \
$(FUZZ_LIBS)
$(FUZZ_LIBS) $(CODE_COVERAGE_LIBS)
WGET_TESTS = \
wget_cookie_fuzzer$(EXEEXT) \

8
src/Makefile.am
View File

@ -62,12 +62,12 @@ wget_SOURCES = connect.c convert.c cookies.c ftp.c \
exits.h version.h metalink.h xattr.h
nodist_wget_SOURCES = version.c
EXTRA_wget_SOURCES = iri.c
LDADD = $(LIBOBJS) ../lib/libgnu.a $(GETADDRINFO_LIB) $(HOSTENT_LIB)\
LDADD = $(CODE_COVERAGE_LIBS) $(LIBOBJS) ../lib/libgnu.a $(GETADDRINFO_LIB) $(HOSTENT_LIB)\
$(INET_NTOP_LIB) $(LIBSOCKET) $(LIB_CLOCK_GETTIME) $(LIB_CRYPTO)\
$(LIB_NANOSLEEP) $(LIB_POSIX_SPAWN) $(LIB_SELECT) $(LIBICONV) $(LIBINTL)\
$(LIBTHREAD) $(LIBUNISTRING) $(SERVENT_LIB)
AM_CPPFLAGS = -I$(top_builddir)/lib -I$(top_srcdir)/lib
AM_CFLAGS = $(WERROR_CFLAGS) $(WARN_CFLAGS)
AM_CPPFLAGS = -I$(top_builddir)/lib -I$(top_srcdir)/lib $(CODE_COVERAGE_CPPFLAGS)
AM_CFLAGS = $(WERROR_CFLAGS) $(WARN_CFLAGS) $(CODE_COVERAGE_CFLAGS)
../lib/libgnu.a:
cd ../lib && $(MAKE) $(AM_MAKEFLAGS)
@ -104,7 +104,7 @@ distclean-local:
check_LIBRARIES = libunittest.a
libunittest_a_SOURCES = $(wget_SOURCES) build_info.c
nodist_libunittest_a_SOURCES = version.c
libunittest_a_CPPFLAGS = -DTESTING "-I$(top_builddir)/lib" "-I$(top_srcdir)/lib"
libunittest_a_CPPFLAGS = -DTESTING "-I$(top_builddir)/lib" "-I$(top_srcdir)/lib" $(CODE_COVERAGE_CPPLAGS)
libunittest_a_LIBADD = $(LIBOBJS)
CLEANFILES = *~ *.bak core core.[0-9]* build_info.c version.c