DEVX-91: refactor: add find_task_by_identifier, config fallbacks for tools

tests/unit/test_install_checkmake.py

@@ -63,13 +63,19 @@ class TestDownloadBinary:
 
 class TestMain:
     def test_already_installed(self) -> None:
+        from click.testing import CliRunner
+
         with patch("shutil.which", return_value="/usr/bin/checkmake"):
-            install_checkmake.main()
+            runner = CliRunner()
+            runner.invoke(install_checkmake.cli, [])
 
     def test_install_with_go(self) -> None:
+        from click.testing import CliRunner
+
         with patch("shutil.which", side_effect=[None, "/usr/bin/go"]):
             with patch("subprocess.run") as mock_run:
-                install_checkmake.main()
+                runner = CliRunner()
+                runner.invoke(install_checkmake.cli, [])
                 mock_run.assert_called_once_with(
                     [
                         "/usr/bin/go",
@@ -80,6 +86,8 @@ class TestMain:
                 )
 
     def test_download_when_no_go(self, tmp_path: Path) -> None:
+        from click.testing import CliRunner
+
         target = tmp_path / "checkmake"
 
         def _write_file(url: str, path: str) -> tuple[str, None]:
@@ -90,5 +98,6 @@ class TestMain:
             with patch("shutil.which", side_effect=[None, None]):
                 with patch.object(platform, "machine", return_value="x86_64"):
                     with patch("urllib.request.urlretrieve", side_effect=_write_file) as mock_retrieve:
-                        install_checkmake.main()
+                        runner = CliRunner()
+                        runner.invoke(install_checkmake.cli, [])
                         mock_retrieve.assert_called_once()