commit local changes.

2026-10-02 15:29:35 +02:00
parent 92e5b6e363
commit 95af3a84af
24 changed files with 3187 additions and 78 deletions
@@ -0,0 +1,176 @@
+"""Tests for the pacman sync database parser (built from a synthetic archive)."""
+
+from __future__ import annotations
+
+import gzip
+import io
+import tarfile
+
+from sjaur.repodb import load_repo_packages, sync_db_paths
+
+DESC = """%FILENAME%
+linux-6.16.8-1-x86_64.pkg.tar.zst
+
+%NAME%
+linux
+
+%BASE%
+linux
+
+%VERSION%
+6.16.8-1
+
+%DESC%
+The Linux kernel and modules
+
+%URL%
+https://github.com/torvalds/linux
+
+%ARCH%
+x86_64
+
+%PACKAGER%
+Jan Alexander Steffens (heftig) <heftig@archlinux.org>
+
+%BUILDDATE%
+1757429406
+"""
+
+DEPENDS = """%DEPENDS%
+coreutils
+initramfs
+kmod
+
+%OPTDEPENDS%
+linux-firmware: kernel firmware for hw drivers
+
+%MAKEDEPENDS%
+bc
+cpio
+
+%PROVIDES%
+VIRTUALBOX-GUEST-MODULES
+WIREGUARD-MODULE
+
+%CONFLICTS%
+linux-libre
+
+%REPLACES%
+virtualbox-guest-modules-arch
+
+%GROUPS%
+base
+
+%LICENSE%
+GPL2
+"""
+
+
+def build_db(tmp_path, repository: str, entries: dict[str, tuple[str, str]]) -> None:
+    """Write a gzip-compressed tar archive mimicking a pacman sync DB."""
+    buffer = io.BytesIO()
+    with tarfile.open(fileobj=buffer, mode="w") as archive:
+        for directory, (desc, depends) in entries.items():
+            for filename, content in (
+                ("desc", desc),
+                ("depends", depends),
+            ):
+                data = content.encode()
+                info = tarfile.TarInfo(name=f"{directory}/{filename}")
+                info.size = len(data)
+                archive.addfile(info, io.BytesIO(data))
+    (tmp_path / f"{repository}.db").write_bytes(gzip.compress(buffer.getvalue()))
+
+
+def test_sync_db_paths_sorted_and_filtered(tmp_path):
+    build_db(tmp_path, "extra", {})
+    (tmp_path / "local").mkdir()
+    (tmp_path / "core.db.bak").write_text("not a db")
+
+    paths = sync_db_paths(tmp_path)
+    assert [path.name for path in paths] == ["extra.db"]
+
+
+def test_sync_db_paths_missing_dir(tmp_path):
+    assert sync_db_paths(tmp_path / "does-not-exist") == []
+
+
+def test_load_repo_packages_parses_all_fields(tmp_path):
+    build_db(tmp_path, "core", {"linux-6.16.8-1": (DESC, DEPENDS)})
+
+    packages, loaded = load_repo_packages(tmp_path)
+
+    assert loaded == ["core"]
+    (package,) = packages
+    assert package.name == "linux"
+    assert package.version == "6.16.8-1"
+    assert package.description == "The Linux kernel and modules"
+    assert package.repository == "core"
+    assert package.is_repo_package
+    assert not package.is_orphan
+    # Packager email is reduced to the username for @maintainer searches.
+    assert package.maintainer == "heftig"
+    assert package.url == "https://github.com/torvalds/linux"
+    assert package.last_modified == 1757429406
+    assert package.depends == ("coreutils", "initramfs", "kmod")
+    assert package.opt_depends == ("linux-firmware: kernel firmware for hw drivers",)
+    assert package.make_depends == ("bc", "cpio")
+    assert package.provides == ("VIRTUALBOX-GUEST-MODULES", "WIREGUARD-MODULE")
+    assert package.conflicts == ("linux-libre",)
+    assert package.replaces == ("virtualbox-guest-modules-arch",)
+    assert package.groups == ("base",)
+    assert package.licenses == ("GPL2",)
+    assert package.votes == 0  # AUR-only concept
+    assert package.aur_url == "https://aur.archlinux.org/packages/linux"
+
+
+def test_load_repo_packages_multiple_repositories(tmp_path):
+    bash_desc = DESC.replace("linux", "bash").replace("6.16.8-1", "5.3-1")
+    build_db(tmp_path, "core", {"bash-5.3-1": (bash_desc, "")})
+    build_db(tmp_path, "extra", {"linux-6.16.8-1": (DESC, DEPENDS)})
+
+    packages, loaded = load_repo_packages(tmp_path)
+
+    assert loaded == ["core", "extra"]
+    assert len(packages) == 2
+    repos = {package.name: package.repository for package in packages}
+    assert repos == {"bash": "core", "linux": "extra"}
+
+
+def test_corrupt_database_is_skipped(tmp_path):
+    build_db(tmp_path, "core", {"linux": (DESC, DEPENDS)})
+    (tmp_path / "broken.db").write_bytes(b"this is not a tar archive")
+
+    packages, loaded = load_repo_packages(tmp_path)
+
+    assert loaded == ["core"]
+    assert [package.name for package in packages] == ["linux"]
+
+
+def test_entries_without_name_are_skipped(tmp_path):
+    build_db(tmp_path, "extra", {"broken-1.0-1": ("%VERSION%\n1.0-1\n", "")})
+
+    packages, loaded = load_repo_packages(tmp_path)
+
+    assert loaded == ["extra"]
+    assert packages == []
+
+
+def test_packager_without_email_is_kept_verbatim(tmp_path):
+    desc = DESC.replace(
+        "Jan Alexander Steffens (heftig) <heftig@archlinux.org>", "Arch Linux"
+    )
+    build_db(tmp_path, "core", {"linux": (desc, "")})
+
+    packages, _ = load_repo_packages(tmp_path)
+
+    assert packages[0].maintainer == "Arch Linux"
+
+
+def test_builddate_garbage_becomes_zero(tmp_path):
+    desc = DESC.replace("1757429406", "not-a-date")
+    build_db(tmp_path, "core", {"linux": (desc, "")})
+
+    packages, _ = load_repo_packages(tmp_path)
+
+    assert packages[0].last_modified == 0