tests: add coverage support.

And our current score is 19% functions coverage for Elementary.

5 files changed, 88 insertions, 9 deletions

diff --git a/.gitignore b/.gitignore
index 4c0b0c75c..5427997d4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,8 @@
 *.lo
 *.o
 *.la
+*.gcda
+*.gcno
 .libs
 .deps
 .*.swp
@@ -57,3 +59,4 @@ tags
 /config/mobile/*.src
 /config/standard/*.src
 Session.vim
+/coverage/
diff --git a/Makefile.am b/Makefile.am
index 70f7a92fa..30de680d1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -54,9 +54,6 @@ po/Rules-quot
 
 endif
 
-
-
-
 EXTRA_DIST = \
 README \
 AUTHORS \
@@ -125,3 +122,34 @@ doc:
 screenshots: all
 	@echo "entering src/examples/"
 	$(MAKE) -C src/examples screenshots
+
+if ELEMENTARY_ENABLE_COVERAGE
+
+lcov-reset:
+	@rm -rf $(top_builddir)/coverage
+	@find $(top_builddir) -name "*.gcda" -delete
+	@lcov --zerocounters --directory $(top_builddir)
+
+lcov-report:
+	@mkdir $(top_builddir)/coverage
+	lcov --capture --compat-libtool --no-external --output-file $(top_builddir)/coverage/coverage.info --directory $(top_builddir) --base-directory $(top_srcdir)/src/lib/
+	lcov --remove $(top_builddir)/coverage/coverage.info '*.h' --output-file $(top_builddir)/coverage/coverage.cleaned.info
+	lcov --remove $(top_builddir)/coverage/coverage.cleaned.info '*/elm_test_*' --output-file $(top_builddir)/coverage/coverage.cleaned2.info
+	lcov --remove $(top_builddir)/coverage/coverage.cleaned2.info '*/elm_suite.c' --output-file $(top_builddir)/coverage/coverage.cleaned3.info
+	lcov --remove $(top_builddir)/coverage/coverage.cleaned3.info '*NONE*' --output-file $(top_builddir)/coverage/coverage.cleaned4.info
+	genhtml --branch-coverage -t "$(PACKAGE_STRING)" -o $(top_builddir)/coverage/html $(top_builddir)/coverage/coverage.cleaned4.info
+	@echo "Coverage Report at $(top_builddir)/coverage/html"
+
+endif
+
+if ELEMENTARY_ENABLE_TESTS
+
+lcov-check:
+if ELEMENTARY_ENABLE_COVERAGE
+	@$(MAKE) $(AM_MAKEFLAGS) lcov-reset
+endif
+	@$(MAKE) $(AM_MAKEFLAGS) check
+if ELEMENTARY_ENABLE_COVERAGE
+	@$(MAKE) $(AM_MAKEFLAGS) lcov-report
+endif
+endif
diff --git a/configure.ac b/configure.ac
index 5804d6b7a..5b075e870 100644
--- a/configure.ac
+++ b/configure.ac
@@ -39,10 +39,32 @@ AC_ARG_ENABLE([cxx-bindings],
 # Tests
 
 AC_ARG_WITH([tests],
-   [AS_HELP_STRING([--with-tests=none|regular],
-                   [choose elementary testing method: regular or none.(coverage will be supported)@<:@default=none@:>@])],
+   [AS_HELP_STRING([--with-tests=none|regular|coverate],
+                   [choose elementary testing method: regular, coverage or none @<:@default=none@:>@])],
    [build_tests=${withval}],
-   [build_tests=none])
+   [build_tests=auto])
+
+want_coverage="no"
+want_tests="no"
+case "${build_tests}" in
+   auto)
+     if test "${build_profile}" = "dev"; then
+        want_tests="yes"
+     fi
+     ;;
+   regular)
+     want_tests="yes"
+     ;;
+   coverage)
+     want_tests="yes"
+     want_coverage="yes"
+     ;;
+   no*)
+     ;;
+   *)
+     AC_MSG_ERROR([Unknown build tests option: --with-tests=${build_tests}])
+     ;;
+esac
 
 # Elementary base dir
 
@@ -336,10 +358,28 @@ ELEMENTARY_PC_LIBS="${ELEMENTARY_PC_LIBS} ${requirement_elm_libs}"
 AC_SUBST([requirement_elm_pc])
 
 # check unit testing library
-if test "${build_tests}" = "regular"; then
+if test "${want_tests}" = "yes"; then
    PKG_CHECK_MODULES([CHECK], [check >= 0.9.5])
 fi
-AM_CONDITIONAL([ENABLE_ELEMENTARY_TESTS], [test "${build_tests}" = "regular"])
+AM_CONDITIONAL([ELEMENTARY_ENABLE_TESTS], [test "${want_tests}" = "yes"])
+
+# lcov
+if test "${want_coverage}" = "yes" ; then
+   AC_CHECK_PROG([have_lcov], [lcov], [yes], [no])
+   if test "x${have_lcov}" = "xyes" ; then
+      ELEMENTARY_CFLAGS="${ELEMENTARY_CFLAGS} -fprofile-arcs -ftest-coverage"
+      ELEMENTARY_LIBS="${ELEMENTARY_LIBS} -lgcov"
+      if test "x${prefer_assert}" = "xno"; then
+         ELEMENTARY_CFLAGS="${ELEMENTARY_CFLAGS} -DNDEBUG"
+      else
+         ELEMENTARY_CFLAGS="${ELEMENTARY_CFLAGS} -g -O0 -DDEBUG"
+      fi
+   else
+      AC_MSG_ERROR([lcov is not found])
+   fi
+fi
+
+AM_CONDITIONAL([ELEMENTARY_ENABLE_COVERAGE], [test "${want_coverage}" = "yes"])
 
 
 ### Checks for header files
diff --git a/src/Makefile.am b/src/Makefile.am
index 7f9e3c36e..bc0e30f01 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -9,6 +9,6 @@ endif
 
 SUBDIRS += examples
 
-if ENABLE_ELEMENTARY_TESTS
+if ELEMENTARY_ENABLE_TESTS
 SUBDIRS += tests
 endif
diff --git a/src/bin/Makefile.am b/src/bin/Makefile.am
index 8c438daca..05faaf476 100644
--- a/src/bin/Makefile.am
+++ b/src/bin/Makefile.am
@@ -171,6 +171,14 @@ elementary_quicklaunch_LDADD = $(top_builddir)/src/lib/libelementary.la \
 elementary_quicklaunch_LDFLAGS =
 
 if BUILD_RUN
+elementary_run_CPPFLAGS = -I$(top_srcdir) \
+-I$(top_srcdir)/src/lib \
+-I$(top_builddir)/src/lib \
+-I$(top_srcdir)/src/bin \
+-DPACKAGE_BIN_DIR=\"$(bindir)\" \
+-DPACKAGE_LIB_DIR=\"$(libdir)\" \
+-DPACKAGE_DATA_DIR=\"$(pkgdatadir)\"
+
 elementary_run_SOURCES = run.c
 elementary_run_LDADD =
 elementary_run_LDFLAGS =