tools/devshell/tests/subcommands/fx_get_device_test

#!/bin/bash
# Copyright 2025 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 behavior of 'fx get-device'

BT_FILE_DEPS=(
    "scripts/fx"
    "tools/devshell/lib/vars.sh"
    "tools/devshell/lib/is_invoked_by_agent.sh"
    "tools/devshell/lib/agents.txt"
    "tools/devshell/get-device"
    "tools/devshell/lib/fx-cmd-locator.sh"
    "tools/devshell/lib/fx-optional-features.sh"
    "tools/devshell/lib/platform.sh"
    "tools/devshell/lib/generate-ssh-config.sh"
)

declare fx ffx

BT_MKDIR_DEPS=(
    "out/default"
)

BT_SET_UP() {
    source "${BT_TEMP_DIR}/tools/devshell/tests/lib/fuchsia-mock.sh"
    fx="$(btf::setup_fx)"
    ffx="$(btf::make_installed_hosttools_mock ffx)"
    FUCHSIA_DIR="${BT_TEMP_DIR}"
}

# Check that the ffx default target is returned from fx get-device.
TEST_fx-get-device-default-target-set() {
    local out="${BT_TEMP_DIR}/_fx_get_device_output"
    echo "foo" > "${FUCHSIA_DIR}/out/default.device"
    cat >"${ffx}.mock_side_effects" <<INPUT
echo "<\$FUCHSIA_DEVICE_ADDR,\$FUCHSIA_NODENAME>"
INPUT

    BT_EXPECT "${fx}" get-device >"$out" 2>&1

    # Check that the output has the right message
    BT_EXPECT_FILE_CONTAINS "${out}" "<,foo>"
}

# Check that the stderr from ffx default target is propagated.
TEST_fx-get-device-default-target-forwards-stderr() {
    local out="${BT_TEMP_DIR}/_fx_get_device_output"
    echo "No default target set." > "${ffx}.mock_stderr"

    BT_EXPECT "${fx}" get-device >"$out" 2>&1

    # Check that the output has the right message
    BT_EXPECT_FILE_CONTAINS "${out}" "No default target set."
}

BT_RUN_TESTS "$@"