Initial commit

- Added basic pacman/systemd wrappers
- Added way to manage AUR and user packages

tests/test_package_management.py

@@ -0,0 +1,80 @@
+# pylint: disable=missing-module-docstring,missing-class-docstring,missing-function-docstring
+
+import unittest
+from decman.lib import UserFacingError, Pacman, Store
+from decman.lib.aur import ForeignPackageManager, DepTreeNode, ForeignPackage, ExtendedPackageSearch
+
+
+class TestAUR(unittest.TestCase):
+
+    def setUp(self) -> None:
+        self.aur = ForeignPackageManager(Store(), Pacman(),
+                                         ExtendedPackageSearch())
+
+    def test_should_upgrade_package_returns_true_on_newer_version(self):
+        self.assertTrue(
+            self.aur.should_upgrade_package("test", "0.1.9", "0.2.0"))
+
+    def test_should_upgrade_package_returns_false_on_older_version(self):
+        self.assertFalse(
+            self.aur.should_upgrade_package("test", "0.1.9", "0.1.8"))
+
+    def test_should_upgrade_package_returns_false_on_same_version(self):
+        self.assertFalse(
+            self.aur.should_upgrade_package("test", "0.1.9", "0.1.9"))
+
+    def test_should_upgrade_package_returns_true_on_devel(self):
+        self.assertTrue(
+            self.aur.should_upgrade_package("test-git",
+                                            "0",
+                                            "0",
+                                            upgrade_devel=True))
+
+
+class TestDepTree(unittest.TestCase):
+
+    def test_add_dependency(self):
+        root = DepTreeNode("", None)
+
+        root.add_dependency_package("A", [])
+        root.add_dependency_package("B", ["A"])
+        root.add_dependency_package("B1", ["A"])
+        root.add_dependency_package("C", ["B", "A"])
+
+        self.assertIn("A", root.children)
+        self.assertIn("B", root.children["A"].children)
+        self.assertIn("B1", root.children["A"].children)
+        self.assertIn("C", root.children["A"].children["B"].children)
+
+    def test_cyclic_dep_fails(self):
+        root = DepTreeNode("", None)
+
+        root.add_dependency_package("A", [])
+        root.add_dependency_package("B", ["A"])
+
+        with self.assertRaises(UserFacingError):
+            root.add_dependency_package("A", ["B", "A"])
+
+    def test_get_and_remove_outer_deps(self):
+        root = DepTreeNode("", None)
+
+        root.add_dependency_package("A", [])
+        root.add_dependency_package("B", ["A"])
+        root.add_dependency_package("B1", ["A"])
+        root.add_dependency_package("C", ["B", "A"])
+
+        a = ForeignPackage("A")
+        a.add_foreign_dependency_packages(["B", "B1", "C"])
+        b = ForeignPackage("B")
+        b.add_foreign_dependency_packages(["C"])
+        b1 = ForeignPackage("B1")
+        c = ForeignPackage("C")
+
+        self.assertCountEqual(root.get_and_remove_outer_dep_pkgs(), [c, b1])
+        self.assertCountEqual(root.get_and_remove_outer_dep_pkgs(), [b])
+        self.assertCountEqual(root.get_and_remove_outer_dep_pkgs(), [a])
+
+        last = root.get_and_remove_outer_dep_pkgs()
+
+        self.assertEqual(len(last), 1)
+        self.assertEqual(last.pop().name, "")