ci: improve CI stability with parallel builds, Valgrind, and coverage

ci-build.sh

@@ -299,7 +299,11 @@ build_and_test() {
 
 # Run all 4 configurations in parallel
 # Coverage enabled only for build 1 (Full) - it has most code paths
-echo "Starting parallel builds..."
+echo
+echo "=== Start build ==="
+echo
+echo "Starting 4 parallel build configurations..."
+echo
 pids=()
 for idx in 1 2 3 4; do
     if [ $idx -le ${#tests[@]} ]; then
@@ -324,16 +328,18 @@ for idx in 1 2 3 4; do
         [ "$run_valgrind" = "yes" ] && flags_desc="Valgrind"
         [ "$run_coverage" = "yes" ] && flags_desc="${flags_desc:+$flags_desc+}Coverage"
         [ -n "$flags_desc" ] && flags_desc=" [+$flags_desc]"
-        echo "Started build $idx (PID: $!)$flags_desc"
+        echo "  → Build $idx: ${tests[$((idx-1))]}$flags_desc"
     fi
 done
+echo
 
 # Wait for all builds and check exit codes
+echo "Waiting for builds to complete..."
+echo
 failed_builds=()
 for i in "${!pids[@]}"; do
     idx=$((i + 1))
     if wait "${pids[$i]}"; then
-        stats=""
         if [ -f "build-$idx.log" ]; then
             stats_line=$(grep "^STATS:" "build-$idx.log" | tail -1)
             unit_p=$(echo "$stats_line" | grep -oE "unit_passed=[0-9]+" | cut -d= -f2)
@@ -345,37 +351,40 @@ for i in "${!pids[@]}"; do
             cov_branches=$(echo "$stats_line" | grep -oE "cov_branches=[0-9.]+%|cov_branches=n/a" | cut -d= -f2)
             time=$(echo "$stats_line" | grep -oE "time=[0-9]+m[0-9]+s" | cut -d= -f2)
             
-            # Format: passed/failed for each test type
-            unit_str="${unit_p:-0}/${unit_f:-0}"
-            func_str="${func_p:-0}/${func_f:-0}"
+            unit_p=${unit_p:-0}
+            unit_f=${unit_f:-0}
+            func_p=${func_p:-0}
+            func_f=${func_f:-0}
             
+            echo "✓ BUILD $idx PASSED"
+            echo "  Unit tests:       $unit_p passed, $unit_f failed"
+            echo "  Functional tests: $func_p passed, $func_f failed"
             if [ "$cov_lines" != "n/a" ] && [ -n "$cov_lines" ]; then
-                stats=" (unit: $unit_str, func: $func_str, cov: L:$cov_lines F:$cov_funcs B:$cov_branches, ${time:-?})"
-            else
-                stats=" (unit: $unit_str, func: $func_str, ${time:-?})"
+                echo "  Coverage:         Lines: $cov_lines | Functions: $cov_funcs | Branches: $cov_branches"
             fi
+            echo "  Duration:         ${time:-?}"
+        else
+            echo "✓ Build $idx passed (no stats available)"
         fi
-        echo "✓ Build $idx passed$stats"
     else
-        echo "✗ Build $idx failed"
+        echo "✗ BUILD $idx FAILED"
         failed_builds+=("$idx")
     fi
+    echo
 done
 
-echo
-
 # Show failed builds full logs
 for idx in "${failed_builds[@]}"; do
     if [ -f "build-$idx.log" ]; then
-        echo "=== Build $idx (FAILED) - full log ==="
+        echo "=== BUILD $idx FAILURE LOG ==="
         cat "build-$idx.log"
         echo
     fi
 done
 
 if [ ${#failed_builds[@]} -gt 0 ]; then
-    echo "FAILED: builds ${failed_builds[*]}"
+    echo "RESULT: FAILED (builds ${failed_builds[*]})"
     exit 1
 else
-    echo "All builds passed!"
+    echo "RESULT: ALL 4 BUILDS PASSED ✓"
 fi