change(pkgmaint): converted to use aurweb.db ORM

- Replaced time.time() usage with datetime.utcnow().timestamp()
- Removed pkgmaint sharness test

Signed-off-by: Kevin Morris <kevr@0cost.org>

test/test_pkgmaint.py

@@ -0,0 +1,65 @@
+from datetime import datetime
+from typing import List
+
+import pytest
+
+from aurweb import db
+from aurweb.models import Package, PackageBase, User
+from aurweb.models.account_type import USER_ID
+from aurweb.scripts import pkgmaint
+
+
+@pytest.fixture(autouse=True)
+def setup(db_test):
+    return
+
+
+@pytest.fixture
+def user() -> User:
+    with db.begin():
+        user = db.create(User, Username="test", Email="test@example.org",
+                         Passwd="testPassword", AccountTypeID=USER_ID)
+    yield user
+
+
+@pytest.fixture
+def packages(user: User) -> List[Package]:
+    output = []
+
+    now = int(datetime.utcnow().timestamp())
+    with db.begin():
+        for i in range(5):
+            pkgbase = db.create(PackageBase, Name=f"pkg_{i}",
+                                SubmittedTS=now,
+                                ModifiedTS=now)
+            pkg = db.create(Package, PackageBase=pkgbase,
+                            Name=f"pkg_{i}", Version=f"{i}.0")
+            output.append(pkg)
+    yield output
+
+
+def test_pkgmaint_noop(packages: List[Package]):
+    assert len(packages) == 5
+    pkgmaint.main()
+    packages = db.query(Package).all()
+    assert len(packages) == 5
+
+
+def test_pkgmaint(packages: List[Package]):
+    assert len(packages) == 5
+
+    # Modify the first package so it's out of date and gets deleted.
+    with db.begin():
+        # Reduce SubmittedTS by a day + 10 seconds.
+        packages[0].PackageBase.SubmittedTS -= (86400 + 10)
+
+    # Run pkgmaint.
+    pkgmaint.main()
+
+    # Query package objects again and assert that the
+    # first package was deleted but all others are intact.
+    packages = db.query(Package).all()
+    assert len(packages) == 4
+    expected = ["pkg_1", "pkg_2", "pkg_3", "pkg_4"]
+    for i, pkgname in enumerate(expected):
+        assert packages[i].Name == pkgname