tools/devshell/tests/lib/fuchsia-mock.sh

#!/bin/bash
# Copyright 2020 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# Common helpers specific for Fuchsia in-tree testing.

btf::setup_fx() {
  if [[ -z "${BT_TEMP_DIR}" ]]; then
    echo "Cannot proceed, BT_TEMP_DIR is unset" 1>&2
    exit 1
  fi
  local _HOST_OUT_DIR="host_x64"
  local _REL_BUILD_DIR="out/default"
  local _FUCHSIA_DIR="${BT_TEMP_DIR}"
  local _FUCHSIA_BUILD_DIR="${_FUCHSIA_DIR}/${_REL_BUILD_DIR}"

  # Fake fuchsia dir configuration.
  local _FX="${_FUCHSIA_DIR}/scripts/fx"
  BT_ASSERT_FILE_EXISTS "${_FX}"
  BT_ASSERT_FILE_EXISTS "${_FUCHSIA_DIR}/tools/devshell/lib/vars.sh"
  BT_ASSERT_FILE_EXISTS "${_FUCHSIA_DIR}/tools/devshell/lib/prebuilt.sh"

  # Fake a build directory with the minimal content so that fx work
  mkdir -p "${_FUCHSIA_BUILD_DIR}" "${_FUCHSIA_BUILD_DIR}/${_HOST_OUT_DIR}" "${_FUCHSIA_DIR}/.jiri_root"
  echo "${_REL_BUILD_DIR}" > "${_FUCHSIA_DIR}/.fx-build-dir"
  touch "${_FUCHSIA_BUILD_DIR}/args.gn"
  cat > "${_FUCHSIA_BUILD_DIR}/fx.config" << EOF
# Generated by fuchsia-mock.sh.
FUCHSIA_BUILD_DIR='${_REL_BUILD_DIR}'
FUCHSIA_ARCH='x64'
FUCHSIA_BOARD_NAME=pc
FUCHSIA_ZBI_COMPRESSION=zstd
HOST_OUT_DIR='${_HOST_OUT_DIR}'
EOF
  btf::make_mock "${_FUCHSIA_DIR}/tools/devshell/lib/metrics.sh"
  cat > "${_FUCHSIA_DIR}/tools/devshell/lib/metrics.sh.mock_side_effects" <<EOF
  function track-command-execution {
   :
  }
  function track-command-finished {
   :
  }
EOF
  echo "${_FX}"
}

btf::make_hosttools_mock() {
  local -r _HOST_OUT_DIR="host_x64"
  local -r _REL_BUILD_DIR="out/default"
  local -r _FUCHSIA_DIR="${BT_TEMP_DIR}"
  local -r _FUCHSIA_BUILD_DIR="${_FUCHSIA_DIR}/${_REL_BUILD_DIR}"

  local hosttool_name="$1"
  local hosttool_path="${_FUCHSIA_BUILD_DIR}/${_HOST_OUT_DIR}/${hosttool_name}"
  btf::make_mock "${hosttool_path}"
  echo "${hosttool_path}"
}

btf::make_zircontools_mock() {
  local -r _ZIRCON_TOOLS_DIR="tools"
  local -r _REL_BUILD_DIR="out/default.zircon"
  local -r _FUCHSIA_DIR="${BT_TEMP_DIR}"
  local -r _ZIRCON_BUILD_DIR="${_FUCHSIA_DIR}/${_REL_BUILD_DIR}"

  local zircontool_name="$1"
  local zircontool_path="${_ZIRCON_BUILD_DIR}/${_ZIRCON_TOOLS_DIR}/${zircontool_name}"
  btf::make_mock "${zircontool_path}"
  echo "${zircontool_path}"
}