[INIT]

tests/run_single.sh

@@ -0,0 +1,147 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Single-run integration test for merged-repl-plugin
+# Usage: ./tests/run_single.sh
+# Requirements: bash, git, nvim (headless) available in PATH
+
+ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+MAIN="$ROOT/test_main_repo"
+REPL="$ROOT/test_repl_repo"
+LUA_TEST="$ROOT/tests/_headless_single.lua"
+SYNC_OUT="$ROOT/tests/sync_result.txt"
+REPL_OUT="$ROOT/tests/repl_output_captured.log"
+TMP_CLEANUP=()
+
+fail() { echo "ERROR: $*" >&2; exit 1; }
+
+# ensure nvim not running (we'll be conservative)
+if pgrep -a nvim > /dev/null; then
+  echo "Warning: nvim process found. Please close running nvim instances to avoid interference."
+fi
+
+echo "Preparing test repos in: $ROOT"
+rm -rf "$MAIN" "$REPL" "$SYNC_OUT" "$REPL_OUT" "$LUA_TEST"
+mkdir -p "$MAIN" "$REPL" "$ROOT/tests"
+
+# init main
+git -C "$MAIN" init >/dev/null 2>&1 || true
+if [ -z "$(git -C "$MAIN" rev-parse --verify HEAD 2>/dev/null || true)" ]; then
+  touch "$MAIN/README"
+  git -C "$MAIN" add README
+  git -C "$MAIN" -c user.name='CI' -c user.email='ci@example.com' commit -m "init" >/dev/null
+fi
+
+# init repl
+git -C "$REPL" init >/dev/null 2>&1 || 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 "$REPL" -c user.name='CI' -c user.email='ci@example.com' commit -m "init" >/dev/null
+fi
+
+# ensure template branch exists in repl
+git -C "$REPL" checkout -B template >/dev/null 2>&1 || true
+
+# create a simple repl.pl and commit
+cat > "$REPL/repl.pl" <<'EOF'
+print "Hello from REPL\n";
+EOF
+git -C "$REPL" add repl.pl >/dev/null 2>&1 || true
+git -C "$REPL" -c user.name='CI' -c user.email='ci@example.com' commit -m "add repl" >/dev/null 2>&1 || true
+
+# headless lua script that triggers sync_once and run_repl and dumps file output to a file
+cat > "$LUA_TEST" <<LUA
+local M = require('merged-repl-plugin')
+local main = [[${MAIN}]]
+local repl = [[${REPL}]]
+local rf = repl .. '/repl.pl'
+M.setup{ main_repo_path = main, repl_repo_path = repl, repl_file = rf, auto_start = false, output_target = 'file' }
+-- run one sync and capture result
+M.sync_once(function(err, res)
+  local f = io.open([[${SYNC_OUT}]], 'w')
+  f:write(tostring(err) .. "\n")
+  if res then f:write(vim.inspect(res) .. "\n") end
+  f:close()
+end)
+-- ensure repl file exists (writing fresh, since sync may change working tree)
+local fh = io.open(rf, 'w')
+if fh then fh:write('print "Hello from REPL\\n";') fh:close() end
+
+-- run the repl; runner will write repl_output.log in the repl repo
+M.run_repl()
+-- wait up to 2s for the output file to appear
+local out_path = repl .. '/repl_output.log'
+local ok = vim.wait(2000, function()
+  return vim.loop.fs_stat(out_path) ~= nil
+end, 50)
+if ok then
+  -- copy to tests location for inspection
+  local in_f = io.open(out_path, 'r')
+  if in_f then
+    local content = in_f:read('*a')
+    in_f:close()
+    local out_f = io.open([[${REPL_OUT}]], 'w')
+    if out_f then out_f:write(content); out_f:close() end
+  end
+end
+
+vim.cmd('qa!')
+LUA
+
+# run headless nvim to execute the lua test
+nvim --headless -u NONE -c "lua package.path = package.path .. ';./lua/?.lua;./lua/?/init.lua'" -c "luafile $LUA_TEST"
+
+# wait for repl_output.log to appear (up to 5s)
+out_file="$REPL/repl_output.log"
+max_wait=25 # 25 * 0.2s = 5s
+i=0
+while [ $i -lt $max_wait ]; do
+  if [ -f "$out_file" ]; then break; fi
+  sleep 0.2
+  i=$((i+1))
+done
+
+
+# dump sync output and repl output
+
+echo "=== sync result ==="
+if [ -f "$SYNC_OUT" ]; then cat "$SYNC_OUT"; else echo "(no sync output)"; fi
+
+echo "=== repl output ==="
+if [ -f "$REPL_OUT" ]; then cat "$REPL_OUT"; else echo "(no repl output captured)"; fi
+
+# show repl_output.log content for debugging if present
+if [ -f "$out_file" ]; then
+  echo "--- $out_file contents ---"
+  sed -n '1,200p' "$out_file"
+fi
+
+
+# strict checks
+# ensure repl output file exists and contains expected text
+if [ ! -f "$REPL/repl_output.log" ]; then
+  echo "ERROR: repl_output.log missing" >&2
+  exit 2
+fi
+if ! grep -q "Hello from REPL" "$REPL/repl_output.log"; then
+  echo "ERROR: expected REPL output missing" >&2
+  cat "$REPL/repl_output.log" || true
+  exit 3
+fi
+
+# verify branch mirroring (create branch in main and run sync_once again)
+git -C "$MAIN" checkout -B feature-single || fail "failed to create test branch in main"
+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='${REPL}/repl.pl', auto_start=false } require('merged-repl-plugin').sync_once()" -c "qa!"
+
+echo "=== repl branches ==="
+git -C "$REPL" branch --list
+
+# test auto-commit: append to repl.pl and run sync_once; then show latest commit message
+echo 'print "Modified for single test\\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 repl commit message ==="
+git -C "$REPL" log -1 --pretty=%B || true
+
+echo "Single run complete."