build: Enable test code coverage analysis

5 files changed, 62 insertions, 9 deletions

diff --git a/Makefile.am b/Makefile.am
index b0ca214..928587e 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -11,3 +11,24 @@ CLEANFILES = $(pkgconfig_DATA)
 DISTCHECK_CONFIGURE_FLAGS = --enable-gtk-doc
 
 ACLOCAL_AMFLAGS = -I build
+
+if GCOV_ENABLED
+cov-reset:
+	@rm -fr coverage
+	@find . -name "*.gcda" -exec rm {} \;
+	@lcov --directory . --zerocounters
+
+cov-report:
+	@mkdir -p coverage
+	@lcov --compat-libtool --directory . --capture --output-file coverage/app.info
+	@genhtml -o coverage/ coverage/app.info
+
+cov:
+	@make cov-report
+
+clean-local:
+	@make cov-reset
+
+check:
+	@make cov
+endif
diff --git a/configure.ac b/configure.ac
index af6ced2..3396a28 100644
--- a/configure.ac
+++ b/configure.ac
@@ -65,6 +65,35 @@ GOBJECT_INTROSPECTION_CHECK([0.6.7])
 localedir=${datadir}/locale
 AC_SUBST(localedir)
 
+dnl === Coverage report =======================================================
+AC_PATH_PROG([GCOV], [lcov], [enable_gcov=no])
+
+AC_MSG_CHECKING([whether to build with gcov testing])
+
+AC_ARG_ENABLE([gcov],
+              [AS_HELP_STRING([--enable-gcov],
+                              [Whether to enable coverage testing (requires gcc
+and lcov)])],
+              [],
+              [enable_gcov=no])
+
+AS_IF([test "x$enable_gcov" = "xyes" && test "x$GCC" = "xyes"],
+      [
+        AS_IF([test "x$enable_gtk_doc" = "xyes"],
+              [AC_MSG_WARN([gtk-doc is enabled, this may go horribly wrong])],
+              [AC_MSG_RESULT([yes])]
+        )
+
+        GCOV_CFLAGS="-g -O0 -fprofile-arcs -ftest-coverage"
+        GCOV_LDFLAGS="-lgcov"
+      ],
+      [AC_MSG_RESULT([no])]
+)
+
+AM_CONDITIONAL([GCOV_ENABLED], [test "x$enable_gcov" = "xyes"])
+AC_SUBST([GCOV_CFLAGS])
+AC_SUBST([GCOV_LDFLAGS])
+
 AC_OUTPUT([
         Makefile
         rest/Makefile
diff --git a/rest-extras/Makefile.am b/rest-extras/Makefile.am
index 9f69e95..e6a25b9 100644
--- a/rest-extras/Makefile.am
+++ b/rest-extras/Makefile.am
@@ -17,10 +17,11 @@ lib_headers = \
 lib_LTLIBRARIES = librest-extras-@API_VERSION@.la
 librest_extras_@API_VERSION@_la_CFLAGS = $(GLIB_CFLAGS) $(GTHREAD_CFLAGS) \
 		    $(SOUP_CFLAGS) $(SOUP_GNOME_CFLAGS) \
-		    $(XML_CFLAGS) \
+		    $(XML_CFLAGS) $(GCOV_CFLAGS) \
 		    -I$(top_srcdir) -Wall -DG_LOG_DOMAIN=\"Rest\"
 librest_extras_@API_VERSION@_la_LIBADD = $(GLIB_LIBS) $(GTHREAD_LIBS) \
                     $(SOUP_LIBS) $(SOUP_GNOME_LIBS) $(XML_LIBS) \
+		    $(GCOV_LDFLAGS) \
                     $(top_builddir)/rest/librest-@API_VERSION@.la
 librest_extras_@API_VERSION@_la_SOURCES = $(lib_sources) $(lib_headers)
 librest_extras_@API_VERSION@_la_HEADERS = $(lib_headers)
@@ -32,8 +33,8 @@ TESTS = test-runner
 check_PROGRAMS = test-runner
 
 test_runner_SOURCES = test-runner.c $(lib_sources) $(lib_headers)
-test_runner_CFLAGS = -DBUILD_TESTS $(librest_extras_@API_VERSION@_la_CFLAGS)
-test_runner_LDFLAGS = $(librest_extras_@API_VERSION@_la_LIBADD)
+test_runner_CFLAGS = -DBUILD_TESTS $(librest_extras_@API_VERSION@_la_CFLAGS) $(GCOV_CFLAGS)
+test_runner_LDFLAGS = $(librest_extras_@API_VERSION@_la_LIBADD) $(GCOV_LIBS)
 
 # TODO: use gtester
 
diff --git a/rest/Makefile.am b/rest/Makefile.am
index e0ca664..4455410 100644
--- a/rest/Makefile.am
+++ b/rest/Makefile.am
@@ -33,10 +33,11 @@ lib_headers = \
 lib_LTLIBRARIES = librest-@API_VERSION@.la
 librest_@API_VERSION@_la_CFLAGS = $(GLIB_CFLAGS) $(GTHREAD_CFLAGS) \
 		    $(SOUP_CFLAGS) $(SOUP_GNOME_CFLAGS) \
-		    $(XML_CFLAGS) \
+		    $(XML_CFLAGS) $(GCOV_CFLAGS) \
 		    -I$(top_srcdir) -Wall -DG_LOG_DOMAIN=\"Rest\"
 librest_@API_VERSION@_la_LIBADD = $(GLIB_LIBS) $(GTHREAD_LIBS) \
-                    $(SOUP_LIBS) $(SOUP_GNOME_LIBS) $(XML_LIBS)
+                    $(SOUP_LIBS) $(SOUP_GNOME_LIBS) $(XML_LIBS) \
+		    $(GCOV_LDFLAGS)
 librest_@API_VERSION@_la_SOURCES = $(lib_sources) $(lib_headers)
 librest_@API_VERSION@_la_HEADERS = $(lib_headers)
 librest_@API_VERSION@_ladir = $(includedir)/rest-@API_VERSION@/rest
@@ -47,8 +48,8 @@ TESTS = test-runner
 check_PROGRAMS = test-runner
 
 test_runner_SOURCES = test-runner.c $(lib_sources) $(lib_headers)
-test_runner_CFLAGS = -DBUILD_TESTS $(librest_@API_VERSION@_la_CFLAGS)
-test_runner_LDFLAGS = $(librest_@API_VERSION@_la_LIBADD)
+test_runner_CFLAGS = -DBUILD_TESTS $(librest_@API_VERSION@_la_CFLAGS) $(GCOV_CFLAGS)
+test_runner_LDFLAGS = $(librest_@API_VERSION@_la_LIBADD) $(GCOV_LDFLAGS)
 
 # TODO: use gtester
 
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 8a02588..0093264 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,7 +1,8 @@
 TESTS = proxy threaded oauth oauth-async oauth2 flickr lastfm
 
-AM_CPPFLAGS = $(SOUP_CFLAGS) -I$(top_srcdir)
-AM_LDFLAGS = $(SOUP_LIBS) ../rest/librest-@API_VERSION@.la ../rest-extras/librest-extras-@API_VERSION@.la
+AM_CPPFLAGS = $(SOUP_CFLAGS) -I$(top_srcdir) $(GCOV_CFLAGS)
+AM_LDFLAGS = $(SOUP_LIBS) $(GCOV_LDFLAGS) \
+	     ../rest/librest-@API_VERSION@.la ../rest-extras/librest-extras-@API_VERSION@.la
 
 check_PROGRAMS = $(TESTS)