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Test/osbuild-image-info: add unit tests for read_default_target()

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Add two unit tests for the read_default_target() function:
1. When default target should be found.
2. When there should be no default target.

Signed-off-by: Tomáš Hozza <thozza@redhat.com>
This commit is contained in:
Tomáš Hozza 2025-01-22 11:41:43 +01:00 • committed by Simon de Vlieger
parent ffcafb390d
commit e1b6c26bfb
1 changed files with 38 additions and 0 deletions
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38
tools/test/test_osbuild_image_info.py
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@ -135,3 +135,41 @@ grub_class fedora""",
def test_read_boot_entries(tmp_path, fake_tree, entries):
make_fake_tree(tmp_path, fake_tree)
assert osbuild_image_info.read_boot_entries(tmp_path / "boot") == entries
def test_read_default_target_ok(tmp_path):
"""
Test the happy case when determinig the systemd default target
"""
make_fake_tree(tmp_path, {
"/usr/lib/systemd/system/multi-user.target": """# SPDX-License-Identifier: LGPL-2.1-or-later
#
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
[Unit]
Description=Multi-User System
Documentation=man:systemd.special(7)
Requires=basic.target
Conflicts=rescue.service rescue.target
After=basic.target rescue.service rescue.target
AllowIsolate=yes
"""
})
etc_systemd_system_dir = tmp_path / "etc/systemd/system"
etc_systemd_system_dir.mkdir(parents=True)
default_target_link = etc_systemd_system_dir / "default.target"
default_target_link.symlink_to("/usr/lib/systemd/system/multi-user.target")
assert osbuild_image_info.read_default_target(tmp_path) == "multi-user.target"
def test_read_default_target_none(tmp_path):
"""
Test the case when when there is no default target set on the system
"""
assert osbuild_image_info.read_default_target(tmp_path) == ""