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# Copyright 2013-2023 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)

import pytest

from llnl.util.filesystem import working_dir

import spack.cmd
import spack.paths
import spack.util.spack_json as sjson
from spack.main import SpackCommand

pytestmark = pytest.mark.usefixtures("git")

blame = SpackCommand("blame")


def test_blame_by_modtime(mock_packages):
    """Sanity check the blame command to make sure it works."""
    out = blame("--time", "mpich")
    assert "LAST_COMMIT" in out
    assert "AUTHOR" in out
    assert "EMAIL" in out


def test_blame_by_percent(mock_packages):
    """Sanity check the blame command to make sure it works."""
    out = blame("--percent", "mpich")
    assert "LAST_COMMIT" in out
    assert "AUTHOR" in out
    assert "EMAIL" in out


@pytest.mark.not_on_windows("Not supported on Windows (yet)")
def test_blame_file(mock_packages):
    """Sanity check the blame command to make sure it works."""
    with working_dir(spack.paths.prefix):
        out = blame("bin/spack")
    assert "LAST_COMMIT" in out
    assert "AUTHOR" in out
    assert "EMAIL" in out


def test_blame_json(mock_packages):
    """Ensure that we can output json as a blame."""
    with working_dir(spack.paths.prefix):
        out = blame("--json", "mpich")

    # Test loading the json, and top level keys
    loaded = sjson.load(out)
    assert "authors" in out
    assert "totals" in out

    # Authors should be a list
    assert len(loaded["authors"]) > 0

    # Each of authors and totals has these shared keys
    keys = ["last_commit", "lines", "percentage"]
    for key in keys:
        assert key in loaded["totals"]

    # But authors is a list of multiple
    for key in keys + ["author", "email"]:
        assert key in loaded["authors"][0]


@pytest.mark.not_on_windows("git hangs")
def test_blame_by_git(mock_packages, capfd):
    """Sanity check the blame command to make sure it works."""
    with capfd.disabled():
        out = blame("--git", "mpich")
    assert "class Mpich" in out
    assert '    homepage = "http://www.mpich.org"' in out