Add "check-lcov" target to generate an HTML code coverage report
for testsuite execution using lcov and genhtml.
Signed-off-by: Lance Richardson <lrich...@redhat.com>
---
.gitignore | 1 +
INSTALL.md | 6 ++++++
tests/automake.mk | 17 +++++++++++++++++
3 files changed, 24 insertions(+)
diff --git a/.gitignore b/.gitignore
index dbf33d2..077a178 100644
--- a/.gitignore
+++ b/.gitignore
@@ -71,3 +71,4 @@ OvsDpInterface.h
testsuite.tmp.orig
/rpm/
/openvswitch-*.tar.gz
+/tests/lcov/
diff --git a/INSTALL.md b/INSTALL.md
index 9c96bbe..804c12a 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -514,6 +514,12 @@ The results of a testing run are reported in
tests/testsuite.log.
Please report test failures as bugs and include the testsuite.log in
your report.
+If the build was configured with "--enable-coverage" and the "lcov"
+utility is installed, you can run the testsuite and generate a code
+coverage report by using "make check-lcov". All of the options for
+TESTSUITEFLAGS are available, so you can e.g.:
+ `make check-lcov TESTSUITEFLAGS=-j8 -k ovn`
+
If you have "valgrind" installed, then you can also run the testsuite
under valgrind by using "make check-valgrind" in place of "make
check". All the same options are available via TESTSUITEFLAGS. When
diff --git a/tests/automake.mk b/tests/automake.mk
index 592f648..98c4df0 100644
--- a/tests/automake.mk
+++ b/tests/automake.mk
@@ -133,6 +133,23 @@ check-pycov: all tests/atconfig tests/atlocal $(TESTSUITE)
clean-pycov
@echo
@COVERAGE_FILE=$(COVERAGE_FILE) $(COVERAGE) report
+# lcov support
+# Requires build with --enable-coverage and lcov/genhtml in $PATH
+CLEAN_LOCAL += clean-lcov
+clean-lcov:
+ rm -fr tests/lcov
+
+LCOV_OPTS = -b $(abs_top_builddir) -d $(abs_top_builddir) -q -c --rc
lcov_branch_coverage=1
+GENHTML_OPTS = -q --branch-coverage --num-spaces 4
+check-lcov: all tests/atconfig tests/atlocal $(TESTSUITE) $(check_DATA)
clean-lcov
+ find . -name '*.gcda' | xargs -n1 rm -f
+ -set $(SHELL) '$(TESTSUITE)' -C tests AUTOTEST_PATH=$(AUTOTEST_PATH)
$(TESTSUITEFLAGS); \
+ "$$@" || (test X'$(RECHECK)' = Xyes && "$$@" --recheck)
+ mkdir -p tests/lcov
+ lcov $(LCOV_OPTS) -o tests/lcov/coverage.info
+ genhtml $(GENHTML_OPTS) -o tests/lcov tests/lcov/coverage.info
+ @echo "coverage report generated at tests/lcov/index.html"
+
# valgrind support
valgrind_wrappers = \
--
2.5.0
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