[INIT]

tests/run_tests.sh

@@ -0,0 +1,130 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Run integration tests for merged-repl-plugin
+# Usage: ./tests/run_tests.sh
+# This script creates two test git repositories under the project directory,
+# runs headless Neovim to exercise the plugin (sync and run), and verifies
+# expected results (branch creation, repl output capture, auto-commit).
+
+REPO_ROOT=$(cd "$(dirname "$0")/.." && pwd)
+MAIN="$REPO_ROOT/test_main_repo"
+REPL="$REPO_ROOT/test_repl_repo"
+LUA_TMP="$REPO_ROOT/tests/_headless_test.lua"
+SYNC_OUT="$REPO_ROOT/tests/sync_result.txt"
+REPL_OUT="$REPO_ROOT/tests/repl_output_captured.log"
+
+echo "Running tests in: $REPO_ROOT"
+
+# Prepare test repos
+rm -rf "$MAIN" "$REPL" "$REPL_OUT" "$SYNC_OUT"
+mkdir -p "$MAIN" "$REPL" "$REPO_ROOT/tests"
+
+git -C "$MAIN" init || true
+# create initial commit in main
+if [ -z "$(git -C "$MAIN" rev-parse --verify HEAD 2>/dev/null || true)" ]; then
+  touch "$MAIN/README"
+  git -C "$MAIN" add README
+  git -C "$MAIN" -c user.name='CI' -c user.email='ci@example.com' commit -m "init"
+fi
+
+git -C "$REPL" init || true
+if [ -z "$(git -C "$REPL" rev-parse --verify HEAD 2>/dev/null || true)" ]; then
+  touch "$REPL/README"
+  git -C "$REPL" add README
+  git -C "$REPL" -c user.name='CI' -c user.email='ci@example.com' commit -m "init"
+fi
+
+# Ensure template branch exists in repl repo
+git -C "$REPL" checkout -B template || true
+
+# Write a simple repl.pl
+cat > "$REPL/repl.pl" <<'EOF'
+print "Hello from REPL\n";
+EOF
+# commit repl.pl
+git -C "$REPL" add repl.pl || true
+git -C "$REPL" -c user.name='CI' -c user.email='ci@example.com' commit -m "add repl" || true
+
+# Compose headless lua test file
+cat > "$LUA_TMP" <<LUALIB
+-- headless test for merged-repl-plugin
+local M = require('merged-repl-plugin')
+
+local main = [[${MAIN}]]
+local repl = [[${REPL}]]
+local repl_file = repl .. '/repl.pl'
+local sync_out = [[${SYNC_OUT}]]
+local repl_out = [[${REPL_OUT}]]
+
+M.setup{ main_repo_path = main, repl_repo_path = repl, repl_file = repl_file, auto_start = false }
+
+-- run sync_once and write result to file
+M.sync_once(function(err, res)
+  local f = io.open(sync_out, 'w')
+  f:write(tostring(err) .. '\n')
+  if res then f:write(vim.inspect(res) .. '\n') end
+  f:close()
+end)
+
+-- run the repl using plugin runner
+M.run_repl()
+
+-- wait for buffer to appear and capture its contents to repl_out
+local bufname = 'REPL Output: ' .. vim.fn.fnamemodify(repl, ':t')
+local ok = vim.wait(2000, function()
+  local bufnr = vim.fn.bufnr(bufname)
+  if bufnr <= 0 then return false end
+  local lines = vim.api.nvim_buf_get_lines(bufnr, 0, -1, false)
+  return #lines > 0
+end, 50)
+
+local bufnr = vim.fn.bufnr(bufname)
+if bufnr > 0 then
+  local lines = vim.api.nvim_buf_get_lines(bufnr, 0, -1, false)
+  local f = io.open(repl_out, 'w')
+  f:write(table.concat(lines, '\n'))
+  f:close()
+end
+
+-- exit
+vim.cmd('qa!')
+LUALIB
+
+# Run headless Neovim with the test lua file
+nvim --headless -u NONE -c "lua package.path = package.path .. ';./lua/?.lua;./lua/?/init.lua'" -c "luafile ${LUA_TMP}"
+
+# Check results
+echo "--- Sync result ---"
+if [ -f "$SYNC_OUT" ]; then
+  cat "$SYNC_OUT"
+else
+  echo "No sync output file found"
+fi
+
+echo "--- Repl output ---"
+if [ -f "$REPL_OUT" ]; then
+  cat "$REPL_OUT"
+else
+  echo "No repl output captured"
+fi
+
+# Verify repl repo got branch created if main branch changed
+# create a new branch in main to test branch mirroring
+git -C "$MAIN" checkout -B feature-test
+
+# run sync_once again
+nvim --headless -u NONE -c "lua package.path = package.path .. ';./lua/?.lua;./lua/?/init.lua'" -c "lua require('merged-repl-plugin').setup{ main_repo_path = '${MAIN}', repl_repo_path = '${REPL}', repl_file = '${REPL}/repl.pl', auto_start = false } require('merged-repl-plugin').sync_once()" -c "qa!"
+
+echo "--- Branches in repl repo ---"
+git -C "$REPL" branch --list
+
+# Test auto-commit: modify repl.pl and run sync_once to ensure commit
+echo 'print "Modified\n";' >> "$REPL/repl.pl"
+
+nvim --headless -u NONE -c "lua package.path = package.path .. ';./lua/?.lua;./lua/?/init.lua'" -c "lua require('merged-repl-plugin').setup{ main_repo_path = '${MAIN}', repl_repo_path = '${REPL}', repl_file = '${REPL}/repl.pl', auto_start = false } require('merged-repl-plugin').sync_once()" -c "qa!"
+
+echo "--- Latest commit message in repl repo ---"
+git -C "$REPL" log -1 --pretty=%B
+
+echo "Tests finished."