# Copyright 2013-2019 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)

from spack.main import SpackCommand, SpackCommandError

import pytest


graph = SpackCommand('graph')


@pytest.mark.db
@pytest.mark.usefixtures('mock_packages', 'database')
def test_graph_ascii():
    """Tests spack graph --ascii"""
    graph('--ascii', 'dt-diamond')


@pytest.mark.db
@pytest.mark.usefixtures('mock_packages', 'database')
def test_graph_dot():
    """Tests spack graph --dot"""
    graph('--dot', 'dt-diamond')


@pytest.mark.db
@pytest.mark.usefixtures('mock_packages', 'database')
def test_graph_static():
    """Tests spack graph --static"""
    graph('--static', 'dt-diamond')


@pytest.mark.db
@pytest.mark.usefixtures('mock_packages', 'database')
def test_graph_installed():
    """Tests spack graph --installed"""

    graph('--installed')

    with pytest.raises(SpackCommandError):
        graph('--installed', 'dt-diamond')


@pytest.mark.db
@pytest.mark.usefixtures('mock_packages', 'database')
def test_graph_deptype():
    """Tests spack graph --deptype"""
    graph('--deptype', 'all', 'dt-diamond')


def test_graph_no_specs():
    """Tests spack graph with no arguments"""

    with pytest.raises(SpackCommandError):
        graph()
