1 files changed, 61 insertions, 0 deletions
diff --git a/unittests/cargotests.py b/unittests/cargotests.py
new file mode 100644
index 000000000..884052b39
--- /dev/null
+++ b/unittests/cargotests.py
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: Apache-2.0
+# Copyright © 2022-2023 Intel Corporation
+
+from __future__ import annotations
+import unittest
+import typing as T
+
+from mesonbuild.cargo.version import convert
+
+
+class CargoVersionTest(unittest.TestCase):
+
+    def test_cargo_to_meson(self) -> None:
+        cases: T.List[T.Tuple[str, T.List[str]]] = [
+            # Basic requirements
+            ('>= 1', ['>= 1']),
+            ('> 1', ['> 1']),
+            ('= 1', ['= 1']),
+            ('< 1', ['< 1']),
+            ('<= 1', ['<= 1']),
+
+            # tilde tests
+            ('~1', ['>= 1', '< 2']),
+            ('~1.1', ['>= 1.1', '< 1.2']),
+            ('~1.1.2', ['>= 1.1.2', '< 1.2.0']),
+
+            # Wildcards
+            ('*', []),
+            ('1.*', ['>= 1', '< 2']),
+            ('2.3.*', ['>= 2.3', '< 2.4']),
+
+            # Unqualified
+            ('2', ['>= 2', '< 3']),
+            ('2.4', ['>= 2.4', '< 3']),
+            ('2.4.5', ['>= 2.4.5', '< 3']),
+            ('0.0.0', ['< 1']),
+            ('0.0', ['< 1']),
+            ('0', ['< 1']),
+            ('0.0.5', ['>= 0.0.5', '< 0.0.6']),
+            ('0.5.0', ['>= 0.5', '< 0.6']),
+            ('0.5', ['>= 0.5', '< 0.6']),
+
+            # Caret (Which is the same as unqualified)
+            ('^2', ['>= 2', '< 3']),
+            ('^2.4', ['>= 2.4', '< 3']),
+            ('^2.4.5', ['>= 2.4.5', '< 3']),
+            ('^0.0.0', ['< 1']),
+            ('^0.0', ['< 1']),
+            ('^0', ['< 1']),
+            ('^0.0.5', ['>= 0.0.5', '< 0.0.6']),
+            ('^0.5.0', ['>= 0.5', '< 0.6']),
+            ('^0.5', ['>= 0.5', '< 0.6']),
+
+            # Multiple requirements
+            ('>= 1.2.3, < 1.4.7', ['>= 1.2.3', '< 1.4.7']),
+        ]
+
+        for (data, expected) in cases:
+            with self.subTest():
+                self.assertListEqual(convert(data), expected)
+