test: add test suites of configure loader

pyproject.toml

@@ -18,6 +18,7 @@ dev = [
     "pyright>=1.1.400",
     "pytest>=8.3.5",
     "ruff>=0.11.10",
+    "toml>=0.10.2",
 ]
 
 [tool.uv.sources]

tests/test_arg_opts.py

@@ -36,7 +36,7 @@ def test_args_empty():
 )
 def test_args_single_int(name: str, arg_tag: str):
     """
-    Test command line arguments for single integer option.
+    Test command line arguments of single integer option.
     """
     sys.argv += [arg_tag, '0']
     assert boot.load_from_args() == {name: 0}
@@ -58,7 +58,7 @@ def test_args_single_int(name: str, arg_tag: str):
 )
 def test_args_single_str(name: str, arg_tag: str):
     """
-    Test command line arguments for single string option.
+    Test command line arguments of single string option.
     """
     sys.argv += [arg_tag, '']
     assert boot.load_from_args() == {name: ''}
@@ -81,7 +81,7 @@ def test_args_single_str(name: str, arg_tag: str):
 )
 def test_args_single_bool(name: str, arg_tag: str):
     """
-    Test command line arguments for single boolean option.
+    Test command line arguments of single boolean option.
     """
     sys.argv += [arg_tag]
     assert boot.load_from_args() == {name: True}

tests/test_cfg_opts.py

@@ -0,0 +1,137 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import json
+import toml
+import yaml
+import pytest
+import tempfile
+from src import boot
+
+
+@pytest.fixture(autouse=True)
+def config_init():
+    boot.init_opts()
+    yield
+
+
+def verify_config(data: dict, excepted: dict) -> None:
+    """
+    Verify configure loading from different sequence formats.
+    """
+    files = {
+        '.json': json.dumps(data),
+        '.toml': toml.dumps(data),
+        '.yaml': (tmp := yaml.dump(data)),
+        '.unknown': tmp,  # YAML format in default
+    }
+    for suffix, content in files.items():
+        with tempfile.NamedTemporaryFile(mode='w', suffix=suffix) as fp:
+            fp.write(content)
+            fp.flush()
+            assert boot.load_from_config(fp.name) == excepted
+
+
+def test_config_empty():
+    """
+    Test configuration file in the empty case.
+    """
+    verify_config({}, {})
+
+
+@pytest.mark.parametrize(
+    'name, cfg_tag',
+    [
+        ('port', 'port'),
+        ('max_username', 'max-username'),
+        ('max_chat_message', 'max-chat-message'),
+    ],
+)
+def test_config_single_int(name: str, cfg_tag: str):
+    """
+    Test configuration file of single integer option.
+    """
+    verify_config({cfg_tag: 0}, {name: 0})
+    verify_config({cfg_tag: 42}, {name: 42})
+
+
+@pytest.mark.parametrize(
+    'name, cfg_tag',
+    [
+        ('config', 'config'),
+        ('password', 'password'),
+        ('motd', 'motd'),
+        ('salt', 'salt'),
+        ('listen_ipv4', 'listen-ipv4'),
+        ('listen_ipv6', 'listen-ipv6'),
+    ],
+)
+def test_config_single_str(name: str, cfg_tag: str):
+    """
+    Test configuration file of single string option.
+    """
+    verify_config({cfg_tag: ''}, {name: ''})
+    verify_config({cfg_tag: 'TeSt \n0123456789\t'}, {name: 'TeSt \n0123456789\t'})
+
+
+@pytest.mark.parametrize(
+    'name, cfg_tag',
+    [
+        ('random_salt', 'random-salt'),
+        ('isolate_rooms', 'isolate-rooms'),
+        ('disable_chat', 'disable-chat'),
+        ('disable_ready', 'disable-ready'),
+        ('enable_stats', 'enable-stats'),
+        ('enable_tls', 'enable-tls'),
+        ('persistent', 'persistent'),
+    ],
+)
+def test_config_single_bool(name: str, cfg_tag: str):
+    """
+    Test configuration file of single boolean option.
+    """
+    verify_config({cfg_tag: True}, {name: True})
+    verify_config({cfg_tag: False}, {name: False})
+
+
+def test_config_full():
+    """
+    Test all configuration file options.
+    """
+    cfg_data = {
+        'config': 'config.yml',
+        'port': 8999,
+        'password': 'PASSWD',
+        'motd': 'MESSAGE',
+        'salt': 'SALT',
+        'random-salt': False,
+        'isolate-rooms': True,
+        'disable-chat': False,
+        'disable-ready': True,
+        'enable-stats': False,
+        'enable-tls': True,
+        'persistent': False,
+        'max-username': 120,
+        'max-chat-message': 240,
+        'listen-ipv4': '127.0.0.1',
+        'listen-ipv6': '::1',
+    }
+    excepted_opts = {
+        'config': 'config.yml',
+        'port': 8999,
+        'password': 'PASSWD',
+        'motd': 'MESSAGE',
+        'salt': 'SALT',
+        'random_salt': False,
+        'isolate_rooms': True,
+        'disable_chat': False,
+        'disable_ready': True,
+        'enable_stats': False,
+        'enable_tls': True,
+        'persistent': False,
+        'max_username': 120,
+        'max_chat_message': 240,
+        'listen_ipv4': '127.0.0.1',
+        'listen_ipv6': '::1',
+    }
+    verify_config(cfg_data, excepted_opts)

uv.lock

@@ -409,6 +409,7 @@ dev = [
     { name = "pyright" },
     { name = "pytest" },
     { name = "ruff" },
+    { name = "toml" },
 ]
 
 [package.metadata]
@@ -422,6 +423,16 @@ dev = [
     { name = "pyright", specifier = ">=1.1.400" },
     { name = "pytest", specifier = ">=8.3.5" },
     { name = "ruff", specifier = ">=0.11.10" },
+    { name = "toml", specifier = ">=0.10.2" },
+]
+
+[[package]]
+name = "toml"
+version = "0.10.2"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/be/ba/1f744cdc819428fc6b5084ec34d9b30660f6f9daaf70eead706e3203ec3c/toml-0.10.2.tar.gz", hash = "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f", size = 22253, upload-time = "2020-11-01T01:40:22.204Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/44/6f/7120676b6d73228c96e17f1f794d8ab046fc910d781c8d151120c3f1569e/toml-0.10.2-py2.py3-none-any.whl", hash = "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b", size = 16588, upload-time = "2020-11-01T01:40:20.672Z" },
 ]
 
 [[package]]