2>_stderr

test/miaou-bash.test.bash

@@ -41,6 +41,7 @@ function assert_grep {
   failures+=("$cmd $safe_args")
   return 1
 }
+
 function fail_type {
   ((test_count++))
   local success regex hint_message
@@ -68,7 +69,24 @@ function fail_type {
   failures+=("$cmd")
   return 1
 }
+function fail_stderr_count {
+  ((test_count++))
+  local regex count="$2"
 
+  cmd="./test/stub/scenario.bash $1"
+  # mapfile -t stderr <<<"$(miaou-bash ./test/stub/scenario.bash "$1" 2>&1 >/dev/null 3>/dev/null)"
+  if ! $cmd >/dev/null 2>_stderr 3>/dev/null; then
+    mapfile -t stderr <_stderr
+    if [[ "${#stderr[@]}" == "$count" ]]; then
+      echo -n .
+      return
+    fi
+  fi
+
+  echo -n F
+  failures+=("$cmd 2>_stderr")
+  return 1
+}
 # main
 
 set -uo pipefail
@@ -95,6 +113,9 @@ time {
   fail_type source_not_found SOURCE_NOT_FOUND
   fail_type file_not_found FILE_NOT_FOUND
   fail_type child_error CHILD_ERROR 'prefer source than child process'
+
+  fail_stderr_count unbound_variable 1
+  fail_stderr_count child_error 4
 }
 failed=${#failures[@]}
 success=$((test_count - failed))