From 6c37a58148ae8f607b1e648d474ff3958fcea6d0 Mon Sep 17 00:00:00 2001
From: Jordan Hubbard <jordanh@nvidia.com>
Date: Fri, 26 Dec 2025 09:47:48 -0400
Subject: [PATCH] test: report total coverage from make test

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>
---
 Makefile        |  2 +-
 scripts/test.sh | 17 ++++++++++++++++-
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 4ea2c17c..cc0cd528 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@ build:
 # Run all tests (skips known broken tests listed in .test-skip)
 test:
 	@echo "Running tests..."
-	@./scripts/test.sh
+	@TEST_COVER=1 ./scripts/test.sh
 
 # Run performance benchmarks (10K and 20K issue databases with automatic CPU profiling)
 # Generates CPU profile: internal/storage/sqlite/bench-cpu-<timestamp>.prof
diff --git a/scripts/test.sh b/scripts/test.sh
index dc826936..ac5729bf 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -24,6 +24,9 @@ TIMEOUT="${TEST_TIMEOUT:-3m}"
 SKIP_PATTERN=$(build_skip_pattern)
 VERBOSE="${TEST_VERBOSE:-}"
 RUN_PATTERN="${TEST_RUN:-}"
+COVERAGE="${TEST_COVER:-}"
+COVERPROFILE="${TEST_COVERPROFILE:-/tmp/beads.coverage.out}"
+COVERPKG="${TEST_COVERPKG:-./...}"
 
 # Parse arguments
 PACKAGES=()
@@ -77,10 +80,22 @@ if [[ -n "$RUN_PATTERN" ]]; then
     CMD+=(-run "$RUN_PATTERN")
 fi
 
+if [[ -n "$COVERAGE" ]]; then
+    CMD+=(-covermode=atomic -coverpkg "$COVERPKG" -coverprofile "$COVERPROFILE")
+fi
+
 CMD+=("${PACKAGES[@]}")
 
 echo "Running: ${CMD[*]}" >&2
 echo "Skipping: $SKIP_PATTERN" >&2
 echo "" >&2
 
-exec "${CMD[@]}"
+"${CMD[@]}"
+status=$?
+
+if [[ -n "$COVERAGE" ]]; then
+    total=$(go tool cover -func="$COVERPROFILE" | awk '/^total:/ {print $NF}')
+    echo "Total coverage: ${total} (profile: ${COVERPROFILE})" >&2
+fi
+
+exit $status