init

test/run_tests.sh

@@ -0,0 +1,53 @@
+#!/usr/bin/env bash
+# Golden-seed regression. For each seed in goldens.txt, regenerate the map and
+# compare (sha256 of map + summary line). Non-zero exit on any mismatch.
+set -u
+cd "$(dirname "$0")/.."
+BIN=./bin/genesis
+GOLDENS=test/goldens.txt
+
+if [[ ! -x "$BIN" ]]; then
+    echo "error: $BIN not built. Run 'make' first." >&2
+    exit 2
+fi
+if [[ ! -f "$GOLDENS" ]]; then
+    echo "error: $GOLDENS missing. Run test/update_goldens.sh to create." >&2
+    exit 2
+fi
+
+fail=0
+total=0
+while IFS='|' read -r key expected_hash expected_summary; do
+    [[ -z "${key:-}" || "${key:0:1}" == "#" ]] && continue
+    seed="${key%:*}"
+    depth="${key#*:}"
+    [[ "$depth" == "$seed" ]] && depth=1
+    total=$((total + 1))
+    actual_hash=$("$BIN" --seed "$seed" --depth "$depth" 2>/dev/null | sha256sum | awk '{print $1}')
+    actual_summary=$("$BIN" --seed "$seed" --depth "$depth" --quiet 2>&1 >/dev/null)
+    if [[ "$actual_hash" != "$expected_hash" ]]; then
+        echo "FAIL $key  hash mismatch"
+        echo "  expected: $expected_hash"
+        echo "  actual:   $actual_hash"
+        fail=$((fail + 1))
+        continue
+    fi
+    if [[ "$actual_summary" != "$expected_summary" ]]; then
+        echo "FAIL $key  summary mismatch"
+        echo "  expected: $expected_summary"
+        echo "  actual:   $actual_summary"
+        fail=$((fail + 1))
+        continue
+    fi
+    echo "PASS $key"
+done < "$GOLDENS"
+
+echo "----"
+echo "$((total - fail))/$total passed"
+
+# Invariant sweep: run a wider stress check to catch regressions the goldens
+# might miss.
+echo "---- stress (connectivity invariant, 1000 seeds) ----"
+"$BIN" --stress 1000 2>&1 | tail -1
+
+exit $fail