test: add test for updated package descriptor

tests/unit/test_parse.py

@@ -0,0 +1,44 @@
+"""Test the lockfile current_lockfile_packages function."""
+
+import json
+from unittest.mock import patch
+from phylum.ci.common import PackageDescriptor
+from phylum.ci.lockfile import Lockfile
+from pathlib import Path
+
+import pytest
+
+@patch("subprocess.run")
+def test_current_lockfile_packages(mock_run):
+    # Prepare the mock
+    mock_run.return_value.stdout = json.dumps([
+        {
+            "name": "quote",
+            "version": "1.0.21",
+            "type": "cargo",
+            "lockfile": "Cargo.lock"
+        },
+        {
+            "name": "example",
+            "version": "0.1.0",
+            "type": "npm",
+        }
+    ])
+
+    lockfile = Lockfile(Path("Cargo.lock"), Path("dummy_cli_path"), None)
+
+    # Test the current_lockfile_packages method
+    packages = lockfile.current_lockfile_packages()
+    expected_cargo_package = PackageDescriptor("quote", "1.0.21", "cargo", "Cargo.lock")
+    expected_npm_package = PackageDescriptor("example", "0.1.0", "npm")
+
+
+    assert len(packages) == 2
+    assert packages[0] == expected_cargo_package
+    assert packages[1] == expected_npm_package
+
+    # Ensure the mock was called correctly
+    mock_run.assert_called_once_with(
+        [str(lockfile.cli_path), "parse", str(lockfile.path)], 
+        check=True, capture_output=True, text=True
+    )