#!/bin/bash
# Copyright 2019 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 expected usage of device-finder in fx scripts


BT_FILE_DEPS=(
  "scripts/fx"
  "tools/devshell/lib/fx-cmd-locator.sh"
  "tools/devshell/lib/fx-optional-features.sh"
  "tools/devshell/lib/vars.sh"
  "tools/devshell/lib/platform.sh"
  "tools/devshell/host-tool"
)

BT_MOCKED_TOOLS=(
  "tools/devshell/list-build-artifacts"
  "tools/devshell/build"
)

declare fx devfinder

BT_SET_UP() {
  source "${BT_TEMP_DIR}/tools/devshell/tests/lib/fuchsia-mock.sh"
  fx="$(btf::setup_fx)"
  source "${BT_TEMP_DIR}/tools/devshell/lib/vars.sh"
  fx-config-read
  devfinder="$(btf::make_installed_hosttools_mock device-finder)"
  devfinder_rel="${devfinder##${FUCHSIA_BUILD_DIR}/}"
  cat >"${BT_TEMP_DIR}/tools/devshell/list-build-artifacts.mock_side_effects" <<EOF
    [[ \$2 == "device-finder" ]] && echo ${devfinder_rel} && exit 0
    exit 1
EOF

}

TEST_tool_executed() {
  BT_EXPECT ${fx} host-tool "device-finder" "--flag1" "arg1"
  btf::expect-mock-args "${devfinder}" "--flag1" "arg1"
}

TEST_tool_not_built() {
  BT_EXPECT ${fx} host-tool "device-finder" "--flag1" "arg1"
  # tool exists, so build should not be called
  BT_ASSERT_FILE_DOES_NOT_EXIST "${BT_TEMP_DIR}/tools/devshell/build.mock_state"
}

TEST_force_build() {
  BT_EXPECT ${fx} host-tool --force-build "device-finder" "--flag1" "arg1"
  # tool exists, but build should be called anyway because --force-build
  BT_ASSERT_FILE_EXISTS "${BT_TEMP_DIR}/tools/devshell/build.mock_state"
}

TEST_build_if_not_found() {
  # tool does not exist, but is known to the build, so build should be called
  mv "${devfinder}" "${devfinder}_backup"

  # recreate the tool when 'fx build' is called
  cat >"${BT_TEMP_DIR}/tools/devshell/build.mock_side_effects" <<EOF
    mv "${devfinder}_backup" "${devfinder}"
EOF

  BT_EXPECT ${fx} host-tool "device-finder" "--flag1" "arg1"
  BT_ASSERT_FILE_EXISTS "${BT_TEMP_DIR}/tools/devshell/build.mock_state"
  btf::expect-mock-args "${devfinder}" "--flag1" "arg1"
}

TEST_no_build() {
  # tool does not exist, is known to the build, but --no-build is specified
  mv "${devfinder}" "${devfinder}_backup"

  # should fail because tool cannot be found
  BT_EXPECT_FAIL ${fx} host-tool "--no-build" "device-finder" "--flag1" "arg1" 2> /dev/null

  # ensure that build was not called
  BT_ASSERT_FILE_DOES_NOT_EXIST "${BT_TEMP_DIR}/tools/devshell/build.mock_state"
}

BT_RUN_TESTS "$@"