Split test_hierarchy into 3 modules and make tests a package

tests/test_snapshot.py

@@ -0,0 +1,53 @@
+"""
+.. author:: Eric Torres
+
+Unit tests for the Snapshot class.
+"""
+import doctest
+import unittest
+
+from rbackup.hierarchy.snapshot import Snapshot
+from unittest.mock import patch
+
+# ========== Constants ==========
+TESTING_MODULE = "rbackup.hierarchy.repository"
+
+# ========== Functions ==========
+def load_tests(loader, tests, ignore):
+    tests.addTests(doctest.DocTestSuite(TESTING_MODULE))
+    return tests
+
+
+# ========== Test Cases ==========
+class TestSnapshot(unittest.TestCase):
+    def setUp(self):
+        self.patched_isdir = patch("rbackup.hierarchy.snapshot.os.path.isdir")
+        self.mocked_isdir = self.patched_isdir.start()
+
+        self.mocked_isdir.return_value = True
+
+        self.snapshot_fullpath = "backup/data/snapshot-new"
+        self.snapshot_name = "snapshot-new"
+
+        self.snapshot = Snapshot(self.snapshot_fullpath)
+
+    def test_path(self):
+        self.assertEqual(self.snapshot.path, self.snapshot_fullpath)
+
+    def test_name(self):
+        self.assertEqual(self.snapshot.name, self.snapshot_name)
+
+    def test_boot_dir(self):
+        self.assertEqual(self.snapshot.boot_dir, f"{self.snapshot_fullpath}/boot")
+
+    def test_etc_dir(self):
+        self.assertEqual(self.snapshot.etc_dir, f"{self.snapshot_fullpath}/etc")
+
+    def test_home_dir(self):
+        self.assertEqual(self.snapshot.home_dir, f"{self.snapshot_fullpath}/home")
+
+    def test_root_home_dir(self):
+        self.assertEqual(self.snapshot.root_home_dir, f"{self.snapshot_fullpath}/root")
+
+    def tearDown(self):
+        self.patched_isdir.stop()