From e82a5a5fb28cb4afd9e81d00b5bf64664bd37ff2 Mon Sep 17 00:00:00 2001
From: pvincent <pvincent@artcode.re>
Date: Fri, 14 Aug 2026 12:16:26 +0400
Subject: [PATCH] fail_stderr_grep

---
 test/miaou-bash.test.bash | 53 ++++++++++++++++++++++++++++-----------
 test/stub/scenario.bash   | 31 +++++++++++++++++++++++
 2 files changed, 69 insertions(+), 15 deletions(-)

diff --git a/test/miaou-bash.test.bash b/test/miaou-bash.test.bash
index ce40078..9fa7a31 100755
--- a/test/miaou-bash.test.bash
+++ b/test/miaou-bash.test.bash
@@ -2,15 +2,19 @@
 
 # CONSTANTS
 
-readonly TMP_DIRECTORY="/tmp/$(basename "$0")-$UID"
+TMP_DIRECTORY="/tmp/$(basename "$0")-$UID"
+TMP_OUT="$TMP_DIRECTORY/_stdout"
+TMP_ERR="$TMP_DIRECTORY/_stderr"
+TMP_MIAOU="$TMP_DIRECTORY/_miaou"
+readonly TMP_DIRECTORY TMP_OUT TMP_ERR TMP_MIAOU
 
 # functions
 
 function assert {
   ((test_count++))
   cmd="./test/stub/scenario.bash $1"
-  if $cmd >/dev/null 2>/dev/null 3>"$TMP_DIRECTORY"/_miaou; then
-    if [[ -s "$TMP_DIRECTORY"/_miaou ]]; then
+  if $cmd >/dev/null 2>/dev/null 3>"$TMP_MIAOU"; then
+    if [[ -s "$TMP_MIAOU" ]]; then
       echo -n .
       return
     fi
@@ -31,8 +35,8 @@ function assert_grep {
   local script="$1" content="$2" extra_args=()
   [[ $# -gt 3 ]] && shift 3 && extra_args=("$@")
   cmd="./test/stub/scenario.bash $script"
-  if $cmd "${extra_args[@]}" >"$TMP_DIRECTORY"/_stdout 2>/dev/null 3>/dev/null; then
-    if grep -q "$content" "$TMP_DIRECTORY"/_stdout; then
+  if $cmd "${extra_args[@]}" >"$TMP_OUT" 2>/dev/null 3>/dev/null; then
+    if grep -q "$content" "$TMP_OUT"; then
       echo -n .
       return
     fi
@@ -52,15 +56,15 @@ function fail_type {
 
   cmd="./test/stub/scenario.bash $1"
   # mapfile -t stderr <<<"$(miaou-bash ./test/stub/scenario.bash "$1" 2>&1 >/dev/null 3>/dev/null)"
-  $cmd >/dev/null 2>"$TMP_DIRECTORY"/_stderr 3>"$TMP_DIRECTORY"/_miaou
-  mapfile -t stderr <"$TMP_DIRECTORY"/_stderr
+  $cmd >/dev/null 2>"$TMP_ERR" 3>"$TMP_MIAOU"
+  mapfile -t stderr <"$TMP_ERR"
 
   last_error="${stderr[-1]}"
   regex="^(.*): line ([0-9]+): miaou_error: $2 ([0-9]+)"
   [[ "${last_error}" =~ $regex ]] && success=true
 
   if [[ $success == true && -n "${hint_message}" ]]; then
-    grep -q "${hint_message}" "$TMP_DIRECTORY"/_miaou || success=false
+    grep -q "${hint_message}" "$TMP_MIAOU" || success=false
   fi
 
   if [[ $success == true ]]; then
@@ -72,14 +76,28 @@ function fail_type {
   return 1
 }
 
+function fail_stderr_grep {
+  ((test_count++))
+  cmd="./test/stub/scenario.bash $1"
+  stderr_line="$2"
+  if ! $cmd 2>"$TMP_ERR" 3>/dev/null && grep -q "$stderr_line" "$TMP_ERR"; then
+    echo -n .
+    return
+  fi
+
+  echo -n F
+  failures+=("$cmd 2>&1 3>/dev/null | grep \"$stderr_line\"")
+  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 ! $cmd >/dev/null 2>"$TMP_DIRECTORY"/_stderr 3>/dev/null; then
-    mapfile -t stderr <"$TMP_DIRECTORY"/_stderr
+  if ! $cmd >/dev/null 2>"$TMP_ERR" 3>/dev/null; then
+    mapfile -t stderr <"$TMP_ERR"
     if [[ "${#stderr[@]}" == "$count" ]]; then
       echo -n .
       return
@@ -87,7 +105,7 @@ function fail_stderr_count {
   fi
 
   echo -n F
-  failures+=("$cmd 2>"$TMP_DIRECTORY"/_stderr")
+  failures+=("$cmd 2>$TMP_ERR")
   return 1
 }
 
@@ -97,8 +115,8 @@ function fail_miaou_count {
 
   cmd="./test/stub/scenario.bash $1"
   # mapfile -t stderr <<<"$(miaou-bash ./test/stub/scenario.bash "$1" 2>&1 >/dev/null 3>/dev/null)"
-  if ! $cmd >/dev/null 2>/dev/null 3>"$TMP_DIRECTORY"/_miaou; then
-    mapfile -t miaou <"$TMP_DIRECTORY"/_miaou
+  if ! $cmd >/dev/null 2>/dev/null 3>"$TMP_MIAOU"; then
+    mapfile -t miaou <"$TMP_MIAOU"
     if [[ "${#miaou[@]}" == "$count" ]]; then
       echo -n .
       return
@@ -106,7 +124,7 @@ function fail_miaou_count {
   fi
 
   echo -n F
-  failures+=("$cmd 3>$TMP_DIRECTORY/_miaou")
+  failures+=("$cmd 3>$TMP_MIAOU")
   return 1
 }
 # main
@@ -123,6 +141,9 @@ time {
   assert exit_0
   assert return_conditional
   assert_grep success_with_args 'count args: 2' -- 'A B' C
+  assert heredoc
+  assert pipe1
+  assert pipe2
 
   fail_type subshell_term SUBSHELL_ERROR
   fail_type unbound_variable UNBOUND_VARIABLE
@@ -141,7 +162,9 @@ time {
   fail_stderr_count child_error 4
   fail_miaou_count command_error_multiline 7
 
-  echo TODO: source EOF + pipe
+  fail_stderr_grep two_options 'ERROR: too many args 2, either single option or SCRIPT + args accepted!'
+  fail_stderr_grep script_not_found "ERROR: script 'doesnt_exist' not found!"
+  fail_stderr_grep no_script 'ERROR: script expected!'
 
 }
 failed=${#failures[@]}
diff --git a/test/stub/scenario.bash b/test/stub/scenario.bash
index 85fc09d..f27e075 100755
--- a/test/stub/scenario.bash
+++ b/test/stub/scenario.bash
@@ -12,6 +12,37 @@ function do_subshell_false {
   result=$(false)
 }
 
+function do_heredoc {
+  # miaou-bash <<EOF
+  source /dev/stdin <<EOF
+echo start of heredoc
+true
+echo end of heredoc 
+EOF
+}
+
+function do_pipe1 {
+  # miaou-bash < <(...)
+  source /dev/stdin < <(echo 'echo PIPE1')
+}
+
+function do_pipe2 {
+  # cmd | miaou-bash
+  echo 'echo PIPE2' | source /dev/stdin
+}
+
+function do_two_options {
+  . "$MIAOU_BASH_DIR"/bin/miaou-bash --help --version
+}
+
+function do_script_not_found {
+  . "$MIAOU_BASH_DIR"/bin/miaou-bash doesnt_exist
+}
+
+function do_no_script {
+  . "$MIAOU_BASH_DIR"/bin/miaou-bash
+}
+
 function do_command_error_multiline {
   source /dev/stdin <<EOF
 echo ok