tools/devshell/tests/subcommands/fx_remote_test

#!/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.

### Test fx remote scripts

# Source platform.sh so that we can point to jq and include it as a runtime dependency. We need to
# do it in a subfunction since platform.sh defines readonly variables, and it gets re-sourced to
# avoid conflicts.
function read_host_platform() {
  source "$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)/../../lib/platform.sh" || exit $?
  echo "$HOST_PLATFORM"
}

BT_FILE_DEPS=(
  "scripts/fx"
  "prebuilt/third_party/jq/$(read_host_platform)/bin/jq"
  "tools/devshell/flash-remote"
  "tools/devshell/serve-remote"
  "tools/devshell/lib/fvm.sh"
  "tools/devshell/lib/fx-cmd-locator.sh"
  "tools/devshell/lib/fx-flash.sh"
  "tools/devshell/lib/fx-optional-features.sh"
  "tools/devshell/lib/fx-remote.sh"
  "tools/devshell/lib/generate-ssh-config.sh"
  "tools/devshell/lib/platform.sh"
  "tools/devshell/lib/vars.sh"
  "tools/devshell/lib/is_invoked_by_agent.sh"
  "tools/devshell/lib/agents.txt"
  "tools/devshell/lib/verify-default-keys.sh"
  "tools/devshell/lib/updates.sh"
  "tools/devshell/jq.fx"
)

declare fx ssh_mock scp_mock compare_remote_and_local_mock


BT_SET_UP() {
  source "${BT_TEMP_DIR}/tools/devshell/lib/vars.sh"
  source "${BT_TEMP_DIR}/tools/devshell/tests/lib/fuchsia-mock.sh"
  fx="$(btf::setup_fx)"
  ssh_mock=$(btf::make_mock_binary "ssh")
  btf::add_binary_to_path "$ssh_mock"

  scp_mock=$(btf::make_mock_binary "scp")
  btf::add_binary_to_path "$scp_mock"
  btf::make_mock "${compare_remote_and_local_mock}"
  {
    echo "function compare_remote_and_local { ${compare_remote_and_local_mock} \"\$@\"; }"
  } >> "${BT_TEMP_DIR}/tools/devshell/lib/verify-default-keys.sh"

}

_create_mock_ffx() {
  local serve_updates_port="$1"

  local ffx="$(btf::make_installed_hosttools_mock ffx)"
  local started_server="${BT_TEMP_DIR}/started-server"
  local stopped_server="${BT_TEMP_DIR}/stopped-server"
  cat > "${ffx}.mock_side_effects" <<EOF
if [[ "\$@" == "config get repository.server.mode" ]]; then
  echo "\"ffx\""
elif [[ "\$@" == "config get repository.server.listen" ]]; then
  echo "\"[::]:${serve_updates_port}\""
elif [[ "\$@" == "repository server start --address [::]:${serve_updates_port}" ]]; then
  touch "${started_server}"
  exit 0
elif [[ "\$@" == "repository server stop" ]]; then
  touch "${stopped_server}"
  exit 0
elif [[ "\$@" == "--config ffx_repository=true --machine json repository server status" ]]; then
  if [ -e "${started_server}" ]; then
    echo "{\"state\": \"running\", \"address\": \"[::]:${serve_updates_port}\"}"
  else
    echo "{\"state\": \"stopped\"}"
  fi
else
  echo "127.0.0.1"
fi
EOF
}

# test if the host/dir info is correctly stored in the cache file
TEST_fx-remote-config-file() {
  local testhost=myhostname.my.server.com
  local testdir=~/myfuchsia/directory
  local out="${BT_TEMP_DIR}/output.log"

  # Listen on a unique port.
  local serve_updates_port=9183

  BT_ASSERT _create_mock_ffx "${serve_updates_port}"

  BT_EXPECT ${fx} serve-remote --repo-port "${serve_updates_port}" "$testhost" "$testdir" >>${out} 2>&1
  BT_EXPECT_FILE_CONTAINS "${BT_TEMP_DIR}/.fx-remote-config" "${testhost}:${testdir}:"
}

# test if the cache file is used when no argument is given
TEST_fx-remote-default-args() {
  local testhost=myhostname.my.server.com
  local testdir=~/myfuchsia/directory
  local out="${BT_TEMP_DIR}/output.log"

  # Listen on a unique port.
  local serve_updates_port=9184

  BT_ASSERT _create_mock_ffx "${serve_updates_port}"

  echo "${testhost}:${testdir}:" > "${BT_TEMP_DIR}/.fx-remote-config"
  BT_EXPECT ${fx} serve-remote --repo-port "${serve_updates_port}" >>${out} 2>&1
  btf::does-mock-args-contain "${ssh_mock}.mock_state.1" "$testhost"
}

# test if the given host is used even when there's a cache file, and that the
# cache file is updated with the given host
TEST_fx-remote-args-given() {
  local testhost=myhostname.my.server.com
  local testdir=~/myfuchsia/directory
  local anotherhost=myhostname.my.server.com
  local out="${BT_TEMP_DIR}/output.log"

  # Listen on a unique port.
  local serve_updates_port=9185

  BT_ASSERT _create_mock_ffx "${serve_updates_port}"

  echo "${testhost}:${testdir}:" > "${BT_TEMP_DIR}/.fx-remote-config"
  BT_EXPECT ${fx} serve-remote --repo-port "${serve_updates_port}" "$anotherhost" "${testdir}" >>${out} 2>&1
  BT_EXPECT_FILE_CONTAINS "${BT_TEMP_DIR}/.fx-remote-config" "${anotherhost}:${testdir}:"
  btf::does-mock-args-contain "${ssh_mock}.mock_state.1" "$anotherhost"
}

# keep in sync with //tools/ssh-keys/gen-ssh-keys.sh
readonly _ERROR_NO_KEY=112
readonly _ERROR_MISMATCHED_KEYS=113
# // keep in sync with //tools/ssh-keys/gen-ssh-keys.sh

# test flash-remote if the fetched manifest from fx-remote is properly
# forwarded to the fx-flash layer
TEST_fx-flash-remote-manifest() {
  local testhost=myhostname.my.server.com
  local testdir=~/myfuchsia/directory
  local out="${BT_TEMP_DIR}/output.log"
  local artifact_dir="${BT_TEMP_DIR}/out/fetched"
  local args_file="${BT_TEMP_DIR}/flash.args"

  {
    echo "function fetch_remote_flash_source { echo flash-manifest:flash.json; }"
    echo "function fetch_remote_build_artifacts { :; }"
    echo "function fetch_remote_artifacts { :; }"
    echo "function fetch_or_build_tool { :; }"
  } >> "${BT_TEMP_DIR}/tools/devshell/lib/fx-remote.sh"

  {
    echo "function fx-flash { echo "\$3" > ${args_file} ; }"
  } >> "${BT_TEMP_DIR}/tools/devshell/lib/fx-flash.sh"

  mkdir -p "${artifact_dir}"
  BT_EXPECT ${fx} flash-remote "$testhost" "${testdir}" >>${out} 2>&1
  BT_EXPECT_FILE_CONTAINS "$args_file" "${artifact_dir}/flash.json"
}

# test flash-remote if the fetched product bundle from fx-remote is properly
# forwarded to the fx-flash layer
TEST_fx-flash-remote-product-bundle() {
  local testhost=myhostname.my.server.com
  local testdir=~/myfuchsia/directory
  local out="${BT_TEMP_DIR}/output.log"
  local artifact_dir="${BT_TEMP_DIR}/out/fetched"
  local args_file="${BT_TEMP_DIR}/flash.args"

  {
    echo "function fetch_remote_flash_source { echo product-bundle:product_bundle; }"
    echo "function fetch_remote_build_artifacts { :; }"
    echo "function fetch_remote_artifacts { :; }"
    echo "function fetch_or_build_tool { :; }"
  } >> "${BT_TEMP_DIR}/tools/devshell/lib/fx-remote.sh"

  {
    echo "function fx-flash { echo "\$4" > ${args_file} ; }"
  } >> "${BT_TEMP_DIR}/tools/devshell/lib/fx-flash.sh"

  mkdir -p "${artifact_dir}"
  BT_EXPECT ${fx} flash-remote "$testhost" "${testdir}" >>${out} 2>&1
  BT_EXPECT_FILE_CONTAINS "$args_file" "${artifact_dir}/product_bundle"
}

BT_RUN_TESTS "$@"