Generate class methods and constructors with runtime smoke tests

scripts/smoke-test.sh

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+# smoke-test.sh — runtime smoke tests for the generated bindings.
+#
+# The compile gate proves the generated Swift type-checks. This goes further:
+# it generates the tier-1 bindings, links them against the REAL C libraries via
+# pkg-config, and runs hand-written swift-testing cases (smoke/*.swift) that
+# invoke real GLib/GObject functionality through the wrappers and check the
+# results at runtime.
+#
+# Usage: scripts/smoke-test.sh [--fresh]
+#
+# Output goes to ${TMPDIR:-/tmp}/swift-gtk-gen-smoke/tier-1 (a stable path so
+# incremental swift builds stay fast between runs).
+
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+OUT="${TMPDIR:-/tmp}/swift-gtk-gen-smoke/tier-1"
+CONFIG="$ROOT/configs/tier1.toml"
+
+[[ "${1:-}" == "--fresh" ]] && rm -rf "$OUT"
+mkdir -p "$OUT"
+
+echo "==> Building generator"
+swift build --package-path "$ROOT"
+BIN="$(swift build --package-path "$ROOT" --show-bin-path)/swift-gtk-gen"
+
+echo "==> Generating bindings (with SmokeTests target) into $OUT"
+"$BIN" --monorepo-config "$CONFIG" --output "$OUT" --smoke-target >"$OUT/generate.log" 2>&1
+
+echo "==> Installing smoke tests"
+mkdir -p "$OUT/Tests/SmokeTests"
+# Refresh so edits to smoke/*.swift always take effect.
+rm -f "$OUT/Tests/SmokeTests/"*.swift
+cp "$ROOT/smoke/"*.swift "$OUT/Tests/SmokeTests/"
+
+echo "==> Running smoke tests against the real C libraries"
+swift test --package-path "$OUT"