add test for parse_img

Author: simleo

tests/test_utils.py

@@ -0,0 +1,42 @@
+# Copyright 2023 CRS4.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from runcrate.utils import parse_img
+
+
+def test_parse_img():
+    assert parse_img("python") == {
+        "registry": "docker.io",
+        "name": "python"
+    }
+    assert parse_img("python:3.12") == {
+        "registry": "docker.io",
+        "name": "python",
+        "tag": "3.12"
+    }
+    assert parse_img("josiah/python:3.11") == {
+        "registry": "docker.io",
+        "name": "josiah/python",
+        "tag": "3.11"
+    }
+    assert parse_img("quay.io/josiah/python:3.11") == {
+        "registry": "quay.io",
+        "name": "josiah/python",
+        "tag": "3.11"
+    }
+    assert parse_img("python@sha256:7b8d65a924f596eb65306214f559253c468336bcae09fd575429774563460caf") == {
+        "registry": "docker.io",
+        "name": "python",
+        "sha256": "7b8d65a924f596eb65306214f559253c468336bcae09fd575429774563460caf"
+    }