Add unit tests

Signed-off-by: Kai Hodžić <hodzic.e.k@outlook.com>

Author: voidpetal

tests/test_package_data.py

@@ -0,0 +1,57 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# Copyright (c) nexB Inc. and others. All rights reserved.
+# ScanCode is a trademark of nexB Inc.
+# SPDX-License-Identifier: Apache-2.0
+# See http://www.apache.org/licenses/LICENSE-2.0 for the license text.
+# See https://github.com/aboutcode-org/python-inspector for support or download.
+# See https://aboutcode.org for more information about nexB OSS projects.
+#
+
+from python_inspector.package_data import get_pypi_codeview_url
+from python_inspector.package_data import get_sdist_from_urls
+
+
+def test_get_pypi_codeview_url():
+    assert (
+        get_pypi_codeview_url({"Source": "https://github.com/psf/requests"})
+        == "https://github.com/psf/requests"
+    )
+    assert (
+        get_pypi_codeview_url({"Code": "https://github.com/psf/requests"})
+        == "https://github.com/psf/requests"
+    )
+    assert (
+        get_pypi_codeview_url({"Source Code": "https://github.com/psf/requests"})
+        == "https://github.com/psf/requests"
+    )
+    assert get_pypi_codeview_url({}) is None
+
+
+def test_get_sdist_from_urls():
+    urls = [
+        {"packagetype": "bdist_wheel", "url": "https://example.com/pkg-1.0.whl"},
+        {
+            "packagetype": "sdist",
+            "url": "https://example.com/pkg-1.0.tar.gz",
+            "digests": {"sha256": "abc123", "md5": "def456"},
+            "size": 12345,
+            "filename": "pkg-1.0.tar.gz",
+        },
+    ]
+    result = get_sdist_from_urls(urls)
+    assert result["url"] == "https://example.com/pkg-1.0.tar.gz"
+    assert result["sha256"] == "abc123"
+    assert result["filename"] == "pkg-1.0.tar.gz"
+
+
+def test_get_sdist_from_urls_returns_none_when_missing():
+    assert get_sdist_from_urls([]) is None
+    assert get_sdist_from_urls(None) is None
+    assert get_sdist_from_urls([{"packagetype": "bdist_wheel"}]) is None
+
+
+def test_get_sdist_from_urls_md5_digest_fallback():
+    urls = [{"packagetype": "sdist", "url": "x", "md5_digest": "old", "digests": {}}]
+    assert get_sdist_from_urls(urls)["md5"] == "old"