Meh I'll figure out submodules later

.config/nvim/pack/tree/start/nui.nvim/scripts/test.sh

@@ -0,0 +1,97 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+declare -r plugins_dir="./.tests/site/pack/deps/start"
+declare -r module="nui"
+
+declare test_scope="${module}"
+
+while [[ $# -gt 0 ]]; do
+  case "${1}" in
+  --clean)
+    shift
+    echo "[test] cleaning up environment"
+    rm -rf "${plugins_dir}"
+    echo "[test] envionment cleaned"
+    ;;
+  *)
+    if [[ "${test_scope}" == "${module}" ]] && [[ "${1}" == "${module}/"* ]]; then
+      test_scope="${1}"
+    fi
+    shift
+    ;;
+  esac
+done
+
+function setup_environment() {
+  echo
+  echo "[test] setting up environment"
+  echo
+
+  if [[ ! -d "${plugins_dir}" ]]; then
+    mkdir -p "${plugins_dir}"
+  fi
+
+  if [[ ! -d "${plugins_dir}/plenary.nvim" ]]; then
+    echo "[plugins] plenary.nvim: installing..."
+    git clone https://github.com/nvim-lua/plenary.nvim "${plugins_dir}/plenary.nvim"
+    # commit 9069d14a120cadb4f6825f76821533f2babcab92 broke luacov
+    # issue: https://github.com/nvim-lua/plenary.nvim/issues/353
+    local -r plenary_353_patch="$(pwd)/scripts/plenary-353.patch"
+    git -C "${plugins_dir}/plenary.nvim" apply "${plenary_353_patch}"
+    echo "[plugins] plenary.nvim: installed"
+    echo
+  fi
+
+  echo "[test] environment ready"
+  echo
+}
+
+function luacov_start() {
+  luacov_dir="$(dirname "$(luarocks which luacov 2>/dev/null | head -1)")"
+  if [[ "${luacov_dir}" == "." ]]; then
+    luacov_dir=""
+  fi
+
+  if test -n "${luacov_dir}"; then
+    rm -f luacov.*.out
+    export LUA_PATH=";;${luacov_dir}/?.lua"
+  fi
+}
+
+function luacov_end() {
+  if test -n "${luacov_dir}"; then
+    if test -f "luacov.stats.out"; then
+      luacov
+
+      echo
+      tail -n +$(($(grep -n "^Summary$" luacov.report.out | cut -d":" -f1) - 1)) luacov.report.out
+    fi
+  fi
+}
+
+setup_environment
+
+luacov_start
+
+declare test_logs=""
+
+if [[ -d "./tests/${test_scope}/" ]]; then
+  test_logs=$(nvim --headless --noplugin -u tests/init.lua -c "lua require('plenary.test_harness').test_directory('./tests/${test_scope}/', { minimal_init = 'tests/init.lua', sequential = true })" || true)
+elif [[ -f "./tests/${test_scope}_spec.lua" ]]; then
+  test_logs=$(nvim --headless --noplugin -u tests/init.lua -c "lua require('plenary.busted').run('./tests/${test_scope}_spec.lua')" || true)
+fi
+
+echo "${test_logs}"
+
+luacov_end
+
+if echo "${test_logs}" | grep --quiet "stack traceback"; then
+  {
+    echo ""
+    echo "FOUND STACK TRACEBACK IN TEST LOGS"
+    echo ""
+  } >&2
+  exit 1
+fi