#!/usr/bin/env bats
# tests/test_shell.bats — Tests for 'fs5 shell' command (US4)

bats_require_minimum_version 1.5.0

SCRIPT="${BATS_TEST_DIRNAME}/../fs5"

setup() {
  export DEVICE_SERIAL="RD51QE202392"
  export LOG_FILE="/tmp/fs5-test-$$.log"
}

teardown() {
  rm -f "${LOG_FILE}"
}

@test "shell: executes echo command on device" {
  run "${SCRIPT}" shell "echo hello-from-device"
  [ "${status}" -eq 0 ]
  [[ "${output}" == *"hello-from-device"* ]]
}

@test "shell: forwards exit code from device command" {
  run "${SCRIPT}" shell "exit 0"
  [ "${status}" -eq 0 ]
}

@test "shell: returns device hostname/uname" {
  run "${SCRIPT}" shell "uname -s"
  [ "${status}" -eq 0 ]
  [[ "${output}" == *"Linux"* ]]
}

@test "shell: --help shows usage" {
  run "${SCRIPT}" shell --help
  [ "${status}" -eq 0 ]
  [[ "${output}" == *"shell"* ]]
}

@test "shell: exits with code 2 when device not connected" {
  DEVICE_SERIAL="INVALID_SERIAL_000" run "${SCRIPT}" shell "echo test"
  [ "${status}" -eq 2 ]
}