From ff8a60db854f628aee6abb73de59c59e3d2d8d22 Mon Sep 17 00:00:00 2001
From: dennisvang <29799340+dennisvang@users.noreply.github.com>
Date: Thu, 30 Nov 2023 10:52:57 +0100
Subject: [PATCH] fix version hierarchy in readme

and add a test, for good measure
---
 README.md            | 2 +-
 tests/test_client.py | 9 +++++++++
 tests/test_common.py | 2 +-
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 20b3310..1496c40 100644
--- a/README.md
+++ b/README.md
@@ -157,7 +157,7 @@ If the app checks the alpha channel (`'a'`), it finds `2.0.0a3`.
 Just to be clear: `tufup` assumes a typical linear release history without branching, so
 
 ```none
-0.0 < 0.1a < 0.1b < 0.1rc < 0.1rc0 < 0.1rc1 < 0.1 < ...
+0.0 < 0.1a < 0.1b < 0.1rc < 0.1rc1 < 0.1 < ...
 ```
 
 ## Migrating from other update frameworks
diff --git a/tests/test_client.py b/tests/test_client.py
index 482652c..ee2c0b3 100644
--- a/tests/test_client.py
+++ b/tests/test_client.py
@@ -6,6 +6,7 @@
 import unittest
 from unittest.mock import Mock, patch
 
+import packaging.version
 from requests.auth import HTTPBasicAuth
 import tuf.api.exceptions
 from tuf.ngclient import TargetFile
@@ -213,6 +214,14 @@ def test__apply_updates(self):
         client._apply_updates(install=mock_install, skip_confirmation=True)
         mock_install.assert_called()
 
+    def test_version_comparison(self):
+        # verify assumed version hierarchy
+        v = packaging.version.Version
+        self.assertTrue(
+            v('0.0.0') < v('0.1a') < v('0.1b') < v('0.1rc') < v('0.1rc1') < v('0.1')
+        )
+        self.assertEqual(v('0.1rc'), v('0.1rc0'))
+
 
 class AuthRequestsFetcherTests(unittest.TestCase):
     def setUp(self) -> None:
diff --git a/tests/test_common.py b/tests/test_common.py
index 86a743d..90e0175 100644
--- a/tests/test_common.py
+++ b/tests/test_common.py
@@ -8,7 +8,7 @@
 from tufup.common import Patcher, TargetMeta
 
 
-class TestTargetMeta(TempDirTestCase):
+class TargetMetaTests(TempDirTestCase):
     def test_init_whitespace(self):
         for kwargs in [
             dict(target_path='w h i t e s p a c e-1.2.3.tar.gz'),