[FAB-5985] unit-test: introduce verbose mode

rebased on master and add new verbose mode
to modified run.sh.

Verbose mode can be run with:

VERBOSE=1 make unit-tests

Change-Id: I492fffdd7891e696fb202efc9de79e0d9c7854b2
Signed-off-by: Christopher Ferris <chrisfer@us.ibm.com>
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>

unit-test/docker-compose.yml

@@ -13,6 +13,7 @@ unit-tests:
     - OUTPUT
     - TEST_PKGS=${TEST_PKGS}
     - CORE_VM_DOCKER_ATTACHSTDOUT=true
+    - VERBOSE
     - JOB_TYPE=${JOB_TYPE}
   volumes:
     - /var/run/docker.sock:/var/run/docker.sock

unit-test/run.sh

@@ -64,14 +64,19 @@ serial_test_packages() {
 # will be tested in parallel
 run_tests() {
     echo ${GO_TAGS}
+    flags="-cover"
+    if [ -n "${VERBOSE}" ]; then
+      flags="-v -cover"
+    fi
+
     local parallel=$(parallel_test_packages "$@")
     if [ -n "${parallel}" ]; then
-        time go test -cover -tags "$GO_TAGS" -ldflags "$GO_LDFLAGS" ${parallel[@]} -short -timeout=20m
+        time go test ${flags} -tags "$GO_TAGS" -ldflags "$GO_LDFLAGS" ${parallel[@]} -short -timeout=20m
     fi
 
     local serial=$(serial_test_packages "$@")
     if [ -n "${serial}" ]; then
-        time go test -cover -tags "$GO_TAGS" -ldflags "$GO_LDFLAGS" ${serial[@]} -short -p 1 -timeout=20m
+        time go test ${flags} -tags "$GO_TAGS" -ldflags "$GO_LDFLAGS" ${serial[@]} -short -p 1 -timeout=20m
     fi
 }