Adding coverage report for ruby.

tools/run_tests/post_tests_ruby.sh

+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+set -ex
+
+if [ "$CONFIG" != "gcov" ] ; then exit ; fi
+
+root=$(readlink -f $(dirname $0)/../..)
+out=$root/reports/ruby_ext_coverage
+tmp1=$(mktemp)
+tmp2=$(mktemp)
+cd $root
+lcov --capture --directory . --output-file $tmp1
+lcov --extract $tmp1 "$root/src/ruby/*" --output-file $tmp2
+genhtml $tmp2 --output-directory $out
+rm $tmp2
+rm $tmp1
+
+cp -rv $root/src/ruby/coverage $root/reports/ruby

tools/run_tests/run_tests.py

@@ -322,7 +322,7 @@ class RubyLanguage(object):
     return [['tools/run_tests/build_ruby.sh']]
 
   def post_tests_steps(self):
-    return []
+    return [['tools/run_tests/post_tests_ruby.sh']]
 
   def makefile_name(self):
     return 'Makefile'