feat: add independent VM manager

tests/test_profiles.py

@@ -0,0 +1,54 @@
+import tempfile
+import unittest
+from pathlib import Path
+
+from hydra.profiles import Profile, load_profile, save_profile
+
+
+class ProfilesTests(unittest.TestCase):
+    def setUp(self):
+        self.tmp = tempfile.TemporaryDirectory(prefix='hydra-test-')
+        self.addCleanup(self.tmp.cleanup)
+        self.root = Path(self.tmp.name)
+        self.iso = self.root / 'installer with spaces,comma.iso'
+        self.iso.touch()
+
+    def test_roundtrip_paths_and_defaults(self):
+        profile = Profile('guest', self.iso)
+        save_profile(self.root / 'guest.toml', profile)
+        loaded = load_profile(self.root / 'guest.toml')
+        self.assertEqual(loaded.iso, self.iso)
+        self.assertEqual((loaded.memory, loaded.cpus, loaded.disk_size), (4096, 2, '40G'))
+        self.assertEqual((loaded.graphics, loaded.network, loaded.bridge), ('auto', 'user', 'hydrabr0'))
+
+    def test_invalid_names_resources_and_modes(self):
+        for name in ('', '../guest', 'Guest', '-guest', 'a' * 33, 'a\n'):
+            with self.subTest(name=name), self.assertRaises(ValueError):
+                Profile(name, self.iso)
+        for field, values in {'memory': (0, -1, True, '4096'), 'cpus': (0, -1, True, 257),
+                              'disk_size': ('0G', '-1G', '40G,evil', '40'),
+                              'graphics': ('gl',), 'network': ('public',),
+                              'bridge': ('../bad', 'a,evil')}.items():
+            for value in values:
+                with self.subTest(field=field, value=value), self.assertRaises(ValueError):
+                    Profile('guest', self.iso, **{field: value})
+
+    def test_missing_iso_and_duplicate_profile_preserve_existing(self):
+        with self.assertRaises(ValueError):
+            Profile('guest', self.root / 'missing.iso')
+        dest = self.root / 'guest.toml'
+        save_profile(dest, Profile('guest', self.iso))
+        original = dest.read_bytes()
+        with self.assertRaises(FileExistsError):
+            save_profile(dest, Profile('guest', self.iso, memory=8192))
+        self.assertEqual(dest.read_bytes(), original)
+
+    def test_profile_name_must_match_filename(self):
+        path = self.root / 'guest.toml'
+        path.write_text(f'name = "other"\niso = "{self.iso}"\n')
+        with self.assertRaises(ValueError):
+            load_profile(path)
+
+
+if __name__ == '__main__':
+    unittest.main()