Simplify running tests

* Remove iteration over packages; with the Go workspace, we don't need
  to iterate.
* Replace `KEEP_GOING_TESTS` behavior by using the Go `-failfast` test
  flag.

Signed-off-by: Ivan Valdes <ivan@vald.es>

Author: ivanvc

scripts/test.sh

@@ -128,6 +128,7 @@ function build_pass {
 function unit_pass {
   run_for_all_workspace_modules \
     run_go_tests -short \
+                 -failfast \
                  -timeout="${TIMEOUT:-3m}" \
                  "${COMMON_TEST_FLAGS[@]}" \
                  "${RUN_ARG[@]}" \
@@ -136,12 +137,11 @@ function unit_pass {
 
 function integration_extra {
   if [ -z "${PKG}" ] ; then
-    KEEP_GOING_TESTS=true \
-      run_go_tests_expanding_packages ./tests/integration/v2store/... \
-                                      -timeout="${TIMEOUT:-5m}" \
-                                      "${COMMON_TEST_FLAGS[@]}" \
-                                      "${RUN_ARG[@]}" \
-                                      "$@"
+    run_go_tests_expanding_packages ./tests/integration/v2store/... \
+                                    -timeout="${TIMEOUT:-5m}" \
+                                    "${COMMON_TEST_FLAGS[@]}" \
+                                    "${RUN_ARG[@]}" \
+                                    "$@"
   else
     log_warning "integration_extra ignored when PKG is specified"
   fi
@@ -150,13 +150,15 @@ function integration_extra {
 function integration_pass {
   run_go_tests ./tests/integration/... \
                -p=2 \
+               -failfast \
                -timeout="${TIMEOUT:-15m}" \
                "${COMMON_TEST_FLAGS[@]}" \
                "${RUN_ARG[@]}" \
                "$@"
 
   run_go_tests ./tests/common/... \
                -p=2 \
+               -failfast \
                -tags=integration \
                -timeout="${TIMEOUT:-15m}" \
                "${COMMON_TEST_FLAGS[@]}" \
@@ -168,26 +170,23 @@ function integration_pass {
 
 function e2e_pass {
   # e2e tests are running pre-build binary. Settings like --race,-cover,-cpu do not have any impact.
-  KEEP_GOING_TESTS=true \
-    run_go_tests_expanding_packages ./tests/e2e/... \
-                                      -timeout="${TIMEOUT:-30m}" \
-                                      "${RUN_ARG[@]}" \
-                                      "$@"
-  KEEP_GOING_TESTS=true \
-    run_go_tests_expanding_packages ./tests/common/... \
-                                      -tags=e2e \
-                                      -timeout="${TIMEOUT:-30m}" \
-                                      "${RUN_ARG[@]}" \
-                                      "$@"
+  run_go_tests_expanding_packages ./tests/e2e/... \
+                                    -timeout="${TIMEOUT:-30m}" \
+                                    "${RUN_ARG[@]}" \
+                                    "$@"
+  run_go_tests_expanding_packages ./tests/common/... \
+                                    -tags=e2e \
+                                    -timeout="${TIMEOUT:-30m}" \
+                                    "${RUN_ARG[@]}" \
+                                    "$@"
 }
 
 function robustness_pass {
   # e2e tests are running pre-build binary. Settings like --race,-cover,-cpu does not have any impact.
-  KEEP_GOING_TESTS=true \
-    run_go_tests ./tests/robustness \
-                   -timeout="${TIMEOUT:-30m}" \
-                   "${RUN_ARG[@]}" \
-                   "$@"
+  run_go_tests ./tests/robustness \
+                 -timeout="${TIMEOUT:-30m}" \
+                 "${RUN_ARG[@]}" \
+                 "$@"
 }
 
 function integration_e2e_pass {

scripts/test_lib.sh

@@ -372,10 +372,6 @@ function run_go_tests_expanding_packages {
 
 # run_go_test [arguments to pass to go test]
 # The following environment variables affect how the tests run:
-#   - KEEP_GOING_TESTS: If set to true it will keep executing tests even after
-#                       a failure. It collects all failures and reports them at
-#                       the end, if there are failures the return code is 2.
-#                       Defaults to false.
 #   - JUNIT_REPORT_DIR/ARTIFACTS: Enables collecting JUnit XML reports.
 #   - VERBOSE: Sets a verbose output.
 #
@@ -411,29 +407,17 @@ function run_go_tests {
     go_test_flags+=("-v" "-json")
   fi
 
-  local failures=()
-  # execution of tests against packages:
-  for pkg in "${packages[@]}"; do
-    local cmd=(go test "${go_test_flags[@]}" "${pkg}" "${args[@]}")
+  local cmd=(go test "${go_test_flags[@]}" "$@")
 
-    local junit_filename_prefix
-    junit_filename_prefix=$(get_junit_filename_prefix "${junit_report_dir}")
+  local junit_filename_prefix
+  junit_filename_prefix=$(get_junit_filename_prefix "${junit_report_dir}")
 
-    if ! run env ETCD_VERIFY="${ETCD_VERIFY}" "${cmd[@]}" | tee ${junit_filename_prefix:+"${junit_filename_prefix}.stdout"} | grep --binary-files=text "${go_test_grep_pattern}" ; then
-      if [ "${keep_going}" = "true" ]; then
-        failures+=("${pkg}")
-      else
-        produce_junit_xmlreport "${junit_filename_prefix}"
-        return 2
-      fi
-    fi
+  if ! run env ETCD_VERIFY="${ETCD_VERIFY}" "${cmd[@]}" | tee ${junit_filename_prefix:+"${junit_filename_prefix}.stdout"} | grep --binary-files=text "${go_test_grep_pattern}" ; then
     produce_junit_xmlreport "${junit_filename_prefix}"
-  done
-
-  if [ -n "${failures[*]}" ]; then
-    log_error -e "FAIL: Tests for following packages failed:\\n  ${failures[*]}"
     return 2
   fi
+
+  produce_junit_xmlreport "${junit_filename_prefix}"
 }
 
 #### Other ####