Source code for tests.test_cli_restore

# Copyright Kevin Deldycke <[email protected]> and contributors.
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

from __future__ import annotations

from functools import partial

import pytest

from meta_package_manager.capabilities import Operations
from meta_package_manager.pool import pool
from meta_package_manager.tables import PackageOutcome

from .conftest import default_manager_ids
from .destructive_plan import destructive_group
from .test_cli import (
    assert_no_manager_selected,
    check_manager_selection,
    check_report,
)


[docs] @pytest.fixture def subcmd(create_config): """Seed common subcommand tests with a dummy file and content. So the CLI does not fail on its required file input. """ toml_path = create_config( "dummy.toml", """ [dummy_manager] fancy_package = "0.0.1" """, ) return "restore", str(toml_path)
[docs] def evaluate_signals(mid, stdout, stderr): yield from ( # The glued `:<mid>:` label form matches whatever level the # message lands at: demoted to DEBUG for implicit selection, # WARNING/INFO for explicit ones (`mpm --<mid> restore`). f":{mid}: Does not implement {Operations.install}." in stderr, f"No [{mid}] section found." in stderr, f":{mid}.install: Restore packages." in stderr, f":{mid}: Skipped:" in stderr, )
check_selection = partial(check_manager_selection, signals=evaluate_signals) """Selection assertions reading this subcommand's own signals."""
[docs] @pytest.mark.destructive() @pytest.mark.destructive_all_managers() def test_default_all_managers(invoke, create_config): toml_path = create_config( "all-managers.toml", "".join( f""" [{m}] blah = 123 """ for m in pool.all_manager_ids ), ) # `--verbosity DEBUG` surfaces the skip/does-not-implement messages # for managers covered by the config but absent from the system. result = invoke("--verbosity", "DEBUG", "restore", str(toml_path)) # Accept exit code 1: the bogus "blah" packages fail to install on any # available manager, which now exits non-zero (restore is no longer # best-effort). assert result.exit_code in (0, 1) assert "all-managers.toml" in result.stderr check_selection(result)
[docs] @pytest.mark.destructive() @default_manager_ids def test_single_manager(invoke, create_config, manager_id): toml_path = create_config( "all-managers.toml", "".join( f""" [{m}] blah = 123 """ for m in pool.all_manager_ids ), ) result = invoke("--verbosity", "INFO", f"--{manager_id}", "restore", str(toml_path)) if result.exit_code == 2: assert_no_manager_selected(result) else: # Accept exit code 1: the bogus "blah" package fails to install. assert result.exit_code in (0, 1) check_selection(result, {manager_id})
[docs] def test_ignore_unrecognized_manager(invoke, create_config): toml_path = create_config( "unrecognized.toml", """ [random_section] blah = 123 """, ) result = invoke("--verbosity", "INFO", "restore", str(toml_path)) assert result.exit_code == 0 assert "unrecognized.toml" in result.stderr assert "Ignore [random_section] section" in result.stderr
[docs] @pytest.mark.destructive() # Only npm acts here, but nothing parametrizes it: hand it its group. @pytest.mark.xdist_group(name=destructive_group("npm")) def test_restore_single_manager(invoke, create_config): toml_path = create_config( "uv-npm-dummy.toml", """ [uv] leftpad = "0.1.2" [npm] chance = "1.1.9" """, ) result = invoke( "--verbosity", "INFO", "--npm", "restore", str(toml_path), color=False ) # Accept exit code 1: an end-to-end install can fail on a flaky backend. assert result.exit_code in (0, 1) assert "uv-npm-dummy.toml" in result.stderr assert ":uv.install: Restore packages." not in result.stderr assert ":npm.install: Restore packages." in result.stderr
[docs] @pytest.mark.destructive() # `--no-npm` leaves uv as the acting manager: hand it uv's group. @pytest.mark.xdist_group(name=destructive_group("uv")) def test_restore_excluded_manager(invoke, create_config): toml_path = create_config( "uv-npm-dummy.toml", """ [uv] leftpad = "0.1.2" [npm] chance = "1.1.9" """, ) result = invoke( "--verbosity", "INFO", "--no-npm", "restore", str(toml_path), color=False, ) # Accept exit code 1: an end-to-end install can fail on a flaky backend. assert result.exit_code in (0, 1) assert "uv-npm-dummy.toml" in result.stderr assert ":uv.install: Restore packages." in result.stderr assert ":npm.install: Restore packages." not in result.stderr
[docs] def test_empty_manager(invoke, create_config): toml_path = create_config( "uv-empty.toml", """ [uv] """, ) result = invoke("--verbosity", "INFO", "restore", str(toml_path), color=False) assert result.exit_code == 0 assert "uv-empty.toml" in result.stderr assert ":uv.install: Restore packages." in result.stderr
[docs] @pytest.mark.parametrize("from_stdin", (False, True), ids=("file", "stdin")) def test_restore_reports_what_moved( invoke, create_config, changing_fake_pool, from_stdin ): """Restoring a snapshot reports each package installed, at its version. The snapshot is read as UTF-8 from a file and from `<stdin>` alike: the `Á` of its comment holds a byte that `cp1252`, the encoding of Windows, cannot decode. """ mid = changing_fake_pool.id snapshot = f""" # Taken in Ávila. [{mid}] fake-pkg-theta = "2.0.0" """ if from_stdin: result = invoke("restore", "-", input=snapshot) else: result = invoke("restore", str(create_config("snapshot.toml", snapshot))) assert result.exit_code == 0 check_report( result.stdout, { "fake-pkg-gamma": ("0.1.0", PackageOutcome.INSTALLED.label), "fake-pkg-theta": ("2.0.0", PackageOutcome.INSTALLED.label), }, )