274 lines
7.3 KiB
Python
274 lines
7.3 KiB
Python
from contextlib import contextmanager
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from os import environ
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from pathlib import Path
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from tempfile import TemporaryDirectory
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from textwrap import dedent
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import pytest
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from sanic import Sanic
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from sanic.config import DEFAULT_CONFIG, Config
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from sanic.exceptions import PyFileError
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@contextmanager
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def temp_path():
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"""a simple cross platform replacement for NamedTemporaryFile"""
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with TemporaryDirectory() as td:
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yield Path(td, "file")
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class ConfigTest:
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not_for_config = "should not be used"
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CONFIG_VALUE = "should be used"
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def test_load_from_object(app):
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app.config.from_object(ConfigTest)
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assert "CONFIG_VALUE" in app.config
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assert app.config.CONFIG_VALUE == "should be used"
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assert "not_for_config" not in app.config
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def test_load_from_object_string(app):
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app.config.from_object("test_config.ConfigTest")
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assert "CONFIG_VALUE" in app.config
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assert app.config.CONFIG_VALUE == "should be used"
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assert "not_for_config" not in app.config
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def test_load_from_object_string_exception(app):
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with pytest.raises(ImportError):
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app.config.from_object("test_config.Config.test")
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def test_auto_load_env():
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environ["SANIC_TEST_ANSWER"] = "42"
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app = Sanic(name=__name__)
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assert app.config.TEST_ANSWER == 42
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del environ["SANIC_TEST_ANSWER"]
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def test_auto_load_bool_env():
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environ["SANIC_TEST_ANSWER"] = "True"
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app = Sanic(name=__name__)
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assert app.config.TEST_ANSWER == True
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del environ["SANIC_TEST_ANSWER"]
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def test_dont_load_env():
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environ["SANIC_TEST_ANSWER"] = "42"
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app = Sanic(name=__name__, load_env=False)
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assert getattr(app.config, "TEST_ANSWER", None) is None
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del environ["SANIC_TEST_ANSWER"]
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def test_load_env_prefix():
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environ["MYAPP_TEST_ANSWER"] = "42"
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app = Sanic(name=__name__, load_env="MYAPP_")
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assert app.config.TEST_ANSWER == 42
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del environ["MYAPP_TEST_ANSWER"]
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def test_load_env_prefix_float_values():
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environ["MYAPP_TEST_ROI"] = "2.3"
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app = Sanic(name=__name__, load_env="MYAPP_")
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assert app.config.TEST_ROI == 2.3
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del environ["MYAPP_TEST_ROI"]
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def test_load_env_prefix_string_value():
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environ["MYAPP_TEST_TOKEN"] = "somerandomtesttoken"
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app = Sanic(name=__name__, load_env="MYAPP_")
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assert app.config.TEST_TOKEN == "somerandomtesttoken"
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del environ["MYAPP_TEST_TOKEN"]
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def test_load_from_file(app):
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config = dedent(
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"""
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VALUE = 'some value'
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condition = 1 == 1
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if condition:
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CONDITIONAL = 'should be set'
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"""
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)
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with temp_path() as config_path:
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config_path.write_text(config)
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app.config.from_pyfile(str(config_path))
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assert "VALUE" in app.config
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assert app.config.VALUE == "some value"
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assert "CONDITIONAL" in app.config
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assert app.config.CONDITIONAL == "should be set"
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assert "condition" not in app.config
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def test_load_from_missing_file(app):
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with pytest.raises(IOError):
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app.config.from_pyfile("non-existent file")
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def test_load_from_envvar(app):
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config = "VALUE = 'some value'"
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with temp_path() as config_path:
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config_path.write_text(config)
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environ["APP_CONFIG"] = str(config_path)
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app.config.from_envvar("APP_CONFIG")
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assert "VALUE" in app.config
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assert app.config.VALUE == "some value"
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def test_load_from_missing_envvar(app):
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with pytest.raises(RuntimeError) as e:
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app.config.from_envvar("non-existent variable")
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assert str(e.value) == (
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"The environment variable 'non-existent "
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"variable' is not set and thus configuration "
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"could not be loaded."
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)
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def test_load_config_from_file_invalid_syntax(app):
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config = "VALUE = some value"
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with temp_path() as config_path:
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config_path.write_text(config)
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with pytest.raises(PyFileError):
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app.config.from_pyfile(config_path)
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def test_overwrite_exisiting_config(app):
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app.config.DEFAULT = 1
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class Config:
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DEFAULT = 2
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app.config.from_object(Config)
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assert app.config.DEFAULT == 2
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def test_overwrite_exisiting_config_ignore_lowercase(app):
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app.config.default = 1
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class Config:
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default = 2
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app.config.from_object(Config)
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assert app.config.default == 1
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def test_missing_config(app):
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with pytest.raises(
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AttributeError, match="Config has no 'NON_EXISTENT'"
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) as e:
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_ = app.config.NON_EXISTENT
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def test_config_defaults():
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"""
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load DEFAULT_CONFIG
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"""
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conf = Config()
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for key, value in DEFAULT_CONFIG.items():
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assert getattr(conf, key) == value
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def test_config_custom_defaults():
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"""
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we should have all the variables from defaults rewriting them with custom defaults passed in
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Config
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"""
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custom_defaults = {
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"REQUEST_MAX_SIZE": 1,
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"KEEP_ALIVE": False,
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"ACCESS_LOG": False,
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}
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conf = Config(defaults=custom_defaults)
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for key, value in DEFAULT_CONFIG.items():
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if key in custom_defaults.keys():
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value = custom_defaults[key]
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assert getattr(conf, key) == value
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def test_config_custom_defaults_with_env():
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"""
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test that environment variables has higher priority than DEFAULT_CONFIG and passed defaults dict
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"""
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custom_defaults = {
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"REQUEST_MAX_SIZE123": 1,
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"KEEP_ALIVE123": False,
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"ACCESS_LOG123": False,
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}
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environ_defaults = {
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"SANIC_REQUEST_MAX_SIZE123": "2",
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"SANIC_KEEP_ALIVE123": "True",
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"SANIC_ACCESS_LOG123": "False",
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}
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for key, value in environ_defaults.items():
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environ[key] = value
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conf = Config(defaults=custom_defaults)
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for key, value in DEFAULT_CONFIG.items():
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if "SANIC_" + key in environ_defaults.keys():
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value = environ_defaults["SANIC_" + key]
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try:
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value = int(value)
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except ValueError:
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if value in ["True", "False"]:
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value = value == "True"
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assert getattr(conf, key) == value
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for key, value in environ_defaults.items():
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del environ[key]
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def test_config_access_log_passing_in_run(app):
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assert app.config.ACCESS_LOG == True
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@app.listener("after_server_start")
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async def _request(sanic, loop):
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app.stop()
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app.run(port=1340, access_log=False)
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assert app.config.ACCESS_LOG == False
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app.run(port=1340, access_log=True)
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assert app.config.ACCESS_LOG == True
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@pytest.mark.asyncio
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async def test_config_access_log_passing_in_create_server(app):
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assert app.config.ACCESS_LOG == True
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@app.listener("after_server_start")
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async def _request(sanic, loop):
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app.stop()
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await app.create_server(
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port=1341, access_log=False, return_asyncio_server=True
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)
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assert app.config.ACCESS_LOG == False
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await app.create_server(
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port=1342, access_log=True, return_asyncio_server=True
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)
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assert app.config.ACCESS_LOG == True
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def test_config_rewrite_keep_alive():
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config = Config()
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assert config.KEEP_ALIVE == DEFAULT_CONFIG["KEEP_ALIVE"]
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config = Config(keep_alive=True)
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assert config.KEEP_ALIVE == True
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config = Config(keep_alive=False)
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assert config.KEEP_ALIVE == False
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# use defaults
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config = Config(defaults={"KEEP_ALIVE": False})
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assert config.KEEP_ALIVE == False
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config = Config(defaults={"KEEP_ALIVE": True})
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assert config.KEEP_ALIVE == True
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