chore: improve find_total_tests performance

Author: Chemaclass

CHANGELOG.md

@@ -8,6 +8,7 @@
 - Allow `assert_have_been_called_with` to check arguments of specific calls
 - Enable parallel tests on Windows
 - Add `assert_not_called`
+- Improve `find_total_tests` performance
 
 ## [0.19.1](https://github.com/TypedDevs/bashunit/compare/0.19.0...0.19.1) - 2025-05-23
 

src/helpers.sh

@@ -190,19 +190,18 @@ function helpers::get_latest_tag() {
 function helpers::find_total_tests() {
     local filter=${1:-}
     local files=("${@:2}")
-    local total_count=0
-
-    for file in "${files[@]}"; do
-        local count
-        if [[ -n "$filter" ]]; then
-            count=$(grep -r -E "^\s*function\s+test.*$filter" "$file" --include=\*.sh 2>/dev/null | wc -l)
-        else
-            count=$(grep -r -E '^\s*function\s+test' "$file" --include=\*.sh 2>/dev/null | wc -l)
-        fi
-        total_count=$((total_count + count))
-    done
-
-    echo "$total_count"
+
+    if [[ ${#files[@]} -eq 0 ]]; then
+        echo 0
+        return
+    fi
+
+    local pattern='^\s*function\s+test'
+    if [[ -n "$filter" ]]; then
+        pattern+=".*$filter"
+    fi
+
+    grep -r -E "$pattern" --include="*.sh" "${files[@]}" 2>/dev/null | wc -l | xargs
 }
 
 function helper::load_test_files() {