Add source config

Config manages:

- Packages
- Systemd units

tests/test_package_management.py

@@ -5,9 +5,9 @@ from decman.lib import UserFacingError, Pacman, Store
 from decman.lib.aur import ForeignPackageManager, DepGraph, ForeignPackage, ExtendedPackageSearch
 
 
-class TestAUR(unittest.TestCase):
+class TestVersionComparisons(unittest.TestCase):
 
-    def setUp(self) -> None:
+    def setUp(self):
         pacman = Pacman()
         self.aur = ForeignPackageManager(Store(), pacman,
                                          ExtendedPackageSearch(pacman))

tests/test_source_resolution.py

@@ -0,0 +1,95 @@
+# pylint: disable=missing-module-docstring,missing-class-docstring,missing-function-docstring
+
+import unittest
+from decman.lib import Source, Store
+from decman import UserPackage
+
+
+class TestSource(unittest.TestCase):
+
+    def setUp(self):
+        source = Source(
+            pacman_packages=["p1", "p2", "p3"],
+            aur_packages=["A1", "A2", "A3"],
+            user_packages=[
+                UserPackage(
+                    pkgname="U1",
+                    version="1",
+                    dependencies=["d1"],
+                    git_url="/am/url/yes",
+                ),
+                UserPackage(
+                    pkgname="U2",
+                    version="1",
+                    dependencies=["d2"],
+                    git_url="/am/url/yes",
+                )
+            ],
+            ignored_packages=["i1", "i2"],
+            systemd_units=["1.service", "2.timer"],
+            systemd_user_units={"user": ["u1.service", "u2.timer"]},
+        )
+
+        store = Store()
+        store.enabled_systemd_units.extend(["1.service", "3.service"])
+        store.enabled_user_systemd_units.extend(
+            ["user: u1.service", "user: u3.service"])
+
+        currently_installed_packages = [
+            "p1",
+            "p2",
+            "p4",
+            "A2",
+            "A3",
+            "A4",
+            "U1",
+            "i1",
+        ]
+
+        self.source = source
+        self.store = store
+        self.currently_installed_packages = currently_installed_packages
+
+    def test_units_to_enable(self):
+        self.assertCountEqual(
+            self.source.units_to_enable(self.store),
+            ["2.timer"],
+        )
+
+    def test_units_to_disable(self):
+        self.assertCountEqual(
+            self.source.units_to_disable(self.store),
+            ["3.service"],
+        )
+
+    def test_user_units_to_enable(self):
+        self.assertDictEqual(
+            self.source.user_units_to_enable(self.store),
+            {"user": ["u2.timer"]},
+        )
+
+    def test_user_units_to_disable(self):
+        self.assertDictEqual(
+            self.source.user_units_to_disable(self.store),
+            {"user": ["u3.service"]},
+        )
+
+    def test_pacman_packages_to_install(self):
+        self.assertCountEqual(
+            self.source.pacman_packages_to_install(
+                self.currently_installed_packages),
+            ["p3"],
+        )
+
+    def test_foreign_packages_to_install(self):
+        self.assertCountEqual(
+            self.source.foreign_packages_to_install(
+                self.currently_installed_packages),
+            ["A1", "U2"],
+        )
+
+    def test_packages_to_remove(self):
+        self.assertCountEqual(
+            self.source.packages_to_remove(self.currently_installed_packages),
+            ["p4", "A4"],
+        )