fixed cli tests

Author: Andrei Neagu

services/dask-sidecar/src/simcore_service_dask_sidecar/cli.py

@@ -1,6 +1,7 @@
 import logging
 
 import typer
+from models_library.utils.json_serialization import json_dumps
 from settings_library.utils_cli import create_settings_command, create_version_callback
 
 from ._meta import PROJECT_NAME, __version__
@@ -15,4 +16,8 @@
 # COMMANDS
 #
 main.callback()(create_version_callback(__version__))
-main.command()(create_settings_command(settings_cls=Settings, logger=_logger))
+main.command()(
+    create_settings_command(
+        settings_cls=Settings, logger=_logger, json_serializer=json_dumps
+    )
+)

services/dask-sidecar/tests/unit/test_cli.py

@@ -6,27 +6,35 @@
 
 
 import os
+import traceback
 
+from click.testing import Result
 from pytest_simcore.helpers.typing_env import EnvVarsDict
 from simcore_service_dask_sidecar._meta import API_VERSION
 from simcore_service_dask_sidecar.cli import main
 from simcore_service_dask_sidecar.settings import Settings
 from typer.testing import CliRunner
 
 
+def _format_cli_error(result: Result) -> str:
+    assert result.exception
+    tb_message = "\n".join(traceback.format_tb(result.exception.__traceback__))
+    return tb_message
+
+
 def test_cli_help_and_version(cli_runner: CliRunner):
     # invitations-maker --help
     result = cli_runner.invoke(main, "--help")
-    assert result.exit_code == os.EX_OK, result.output
+    assert result.exit_code == os.EX_OK, _format_cli_error(result)
 
     result = cli_runner.invoke(main, "--version")
-    assert result.exit_code == os.EX_OK, result.output
+    assert result.exit_code == os.EX_OK, _format_cli_error(result)
     assert result.stdout.strip() == API_VERSION
 
 
 def test_list_settings(cli_runner: CliRunner, app_environment: EnvVarsDict):
     result = cli_runner.invoke(main, ["settings", "--show-secrets", "--as-json"])
-    assert result.exit_code == os.EX_OK, result.output
+    assert result.exit_code == os.EX_OK, _format_cli_error(result)
 
     print(result.output)
     settings = Settings.parse_raw(result.output)