Added code for extension coverage
diff --git a/tools/run_tests/run_node.sh b/tools/run_tests/run_node.sh
index bcd93ed..1043b44 100755
--- a/tools/run_tests/run_node.sh
+++ b/tools/run_tests/run_node.sh
@@ -37,6 +37,19 @@
root=`pwd`
+cd $root/src/node
+
export LD_LIBRARY_PATH=$root/libs/$CONFIG
-$root/src/node/node_modules/mocha/bin/mocha --timeout 8000 $root/src/node/test
+if [ "$CONFIG" = "gcov" ]
+then
+ ./node_modules/.bin/istanbul cover ./node_modules/.bin/_mocha -- \
+ --timeout 8000
+ cd build
+ gcov Release/obj.target/grpc/ext/*.o
+ lcov --base-directory . --directory . -c -o coverage.info
+ genhtml -o ../ext_coverage --num-spaces 2 -t 'Node gRPC test coverage' \
+ coverage.info
+else
+ ./node_modules/mocha/bin/mocha --timeout 8000
+fi