From d9888cc49d3531a947e7b443a3bab47a7e09da14 Mon Sep 17 00:00:00 2001
From: Chih-Hsuan Yen <645432-yan12125@users.noreply.gitlab.com>
Date: Mon, 19 Jun 2023 22:03:48 +0800
Subject: [PATCH] Fix test_alpmfiles in Arch chroots

In general, there are no /var/lib/pacman/sync/*.files in Arch chroots,
and thus tests in test_alpmfiles.py fail.

The tempfile approach roughly follows tests/test_alpm.py.

Follow-up https://github.com/lilydjwg/nvchecker/pull/226
---
 tests/test_alpmfiles.py | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/tests/test_alpmfiles.py b/tests/test_alpmfiles.py
index 858ece1..de7c9c9 100644
--- a/tests/test_alpmfiles.py
+++ b/tests/test_alpmfiles.py
@@ -1,20 +1,45 @@
 # MIT licensed
 # Copyright (c) 2023 Pekka Ristola <pekkarr [at] protonmail [dot] com>, et al.
 
+import pathlib
 import shutil
+import subprocess
+import tempfile
 
 import pytest
 
 pytestmark = [
   pytest.mark.asyncio,
   pytest.mark.skipif(shutil.which('pacman') is None, reason='requires pacman command'),
+  pytest.mark.skipif(shutil.which('fakeroot') is None, reason='requires fakeroot command'),
 ]
 
+global temp_dir, db_path
+
+
+def setup_module(module):
+  global temp_dir, db_path
+
+  temp_dir = tempfile.TemporaryDirectory()
+  temp_path = pathlib.Path(temp_dir.name)
+  db_path = temp_path / 'test-db'
+
+  db_path.mkdir(exist_ok=True)
+
+  cmd = ['fakeroot', 'pacman', '-Fy', '--dbpath', db_path]
+  subprocess.check_call(cmd)
+
+
+def teardown_module(module):
+  temp_dir.cleanup()
+
+
 async def test_alpmfiles(get_version):
   assert await get_version('test', {
     'source': 'alpmfiles',
     'pkgname': 'libuv',
     'filename': 'usr/lib/libuv\\.so\\.([^.]+)',
+    'dbpath': db_path,
   }) == '1'
 
 async def test_alpmfiles_strip(get_version):
@@ -24,5 +49,5 @@ async def test_alpmfiles_strip(get_version):
     'repo': 'core',
     'filename': 'libc\\.so\\.[^.]+',
     'strip_dir': True,
-    'dbpath': '/var/lib/pacman',
+    'dbpath': db_path,
   }) == 'libc.so.6'