Add tests.

tests/test_vcs.py

@@ -0,0 +1,71 @@
+"""Tests for VCS and uploader related functions."""
+
+import pytest
+
+from debian_todo import vcs_git_to_team, normalize_uploaders, HIDE_UPLOADER
+
+
+class TestVcsGitToTeam:
+    """Tests for vcs_git_to_team function."""
+
+    def test_salsa_python_team(self):
+        url = "https://salsa.debian.org/python-team/packages/python-foo.git"
+        assert vcs_git_to_team(url) == "python-team"
+
+    def test_salsa_homeassistant_team(self):
+        url = "https://salsa.debian.org/homeassistant-team/python-bar.git"
+        assert vcs_git_to_team(url) == "homeassistant-team"
+
+    def test_salsa_personal_repo(self):
+        url = "https://salsa.debian.org/username/package.git"
+        assert vcs_git_to_team(url) == "username"
+
+    def test_non_salsa_url(self):
+        url = "https://github.com/user/repo.git"
+        assert vcs_git_to_team(url) == url
+
+    def test_none_input(self):
+        assert vcs_git_to_team(None) is None
+
+    def test_empty_string(self):
+        assert vcs_git_to_team("") is None
+
+    def test_salsa_with_branch(self):
+        url = "https://salsa.debian.org/python-team/packages/foo.git -b debian/main"
+        assert vcs_git_to_team(url) == "python-team"
+
+
+class TestNormalizeUploaders:
+    """Tests for normalize_uploaders function."""
+
+    def test_single_uploader(self):
+        uploaders = "John Doe <john@example.com>"
+        assert normalize_uploaders(uploaders) == "John Doe <john@example.com>"
+
+    def test_multiple_uploaders(self):
+        uploaders = "John Doe <john@example.com>, Jane Doe <jane@example.com>"
+        result = normalize_uploaders(uploaders)
+        assert result == "John Doe <john@example.com>\nJane Doe <jane@example.com>"
+
+    def test_hides_configured_uploader(self):
+        uploaders = f"John Doe <john@example.com>, {HIDE_UPLOADER}"
+        result = normalize_uploaders(uploaders)
+        assert result == "John Doe <john@example.com>"
+        assert HIDE_UPLOADER not in result
+
+    def test_only_hidden_uploader(self):
+        uploaders = HIDE_UPLOADER
+        assert normalize_uploaders(uploaders) == ""
+
+    def test_strips_whitespace(self):
+        uploaders = "  John Doe <john@example.com>  ,  Jane Doe <jane@example.com>  "
+        result = normalize_uploaders(uploaders)
+        assert result == "John Doe <john@example.com>\nJane Doe <jane@example.com>"
+
+    def test_empty_string(self):
+        assert normalize_uploaders("") == ""
+
+    def test_extra_commas(self):
+        uploaders = "John Doe <john@example.com>,, Jane Doe <jane@example.com>,"
+        result = normalize_uploaders(uploaders)
+        assert result == "John Doe <john@example.com>\nJane Doe <jane@example.com>"