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from __future__ import annotations
import json
import pytest
from dynaconf import LazySettings
from dynaconf.loaders.json_loader import DynaconfEncoder
from dynaconf.loaders.json_loader import load
from dynaconf.strategies.filtering import PrefixFilter
settings = LazySettings(environments=True, ENV_FOR_DYNACONF="PRODUCTION")
JSON = """
{
"a": "a,b",
"default": {
"password": "@int 99999",
"host": "server.com",
"port": "@int 8080",
"alist": ["item1", "item2", 23],
"service": {
"url": "service.com",
"port": 80,
"auth": {
"password": "qwerty",
"test": 1234
}
}
},
"development": {
"password": "@int 88888",
"host": "devserver.com"
},
"production": {
"password": "@int 11111",
"host": "prodserver.com"
},
"global": {
"global_value": "global"
}
}
"""
# the @float is not needed in JSON but kept to ensure it works
JSON2 = """
{
"global": {
"secret": "@float 42",
"password": 123456,
"host": "otherjson.com"
}
}
"""
JSONS = [JSON, JSON2]
def test_load_from_json():
"""Assert loads from JSON string"""
load(settings, filename=JSON)
assert settings.HOST == "prodserver.com"
assert settings.PORT == 8080
assert settings.ALIST == ["item1", "item2", 23]
assert settings.SERVICE["url"] == "service.com"
assert settings.SERVICE.url == "service.com"
assert settings.SERVICE.port == 80
assert settings.SERVICE.auth.password == "qwerty"
assert settings.SERVICE.auth.test == 1234
load(settings, filename=JSON, env="DEVELOPMENT")
assert settings.HOST == "devserver.com"
load(settings, filename=JSON)
assert settings.HOST == "prodserver.com"
def test_load_from_multiple_json():
"""Assert loads from JSON string"""
load(settings, filename=JSONS)
assert settings.HOST == "otherjson.com"
assert settings.PASSWORD == 123456
assert settings.SECRET == 42.0
assert settings.PORT == 8080
assert settings.SERVICE["url"] == "service.com"
assert settings.SERVICE.url == "service.com"
assert settings.SERVICE.port == 80
assert settings.SERVICE.auth.password == "qwerty"
assert settings.SERVICE.auth.test == 1234
load(settings, filename=JSONS, env="DEVELOPMENT")
assert settings.PORT == 8080
assert settings.HOST == "otherjson.com"
load(settings, filename=JSONS)
assert settings.HOST == "otherjson.com"
assert settings.PASSWORD == 123456
load(settings, filename=JSON, env="DEVELOPMENT")
assert settings.PORT == 8080
assert settings.HOST == "devserver.com"
load(settings, filename=JSON)
assert settings.HOST == "prodserver.com"
assert settings.PASSWORD == 11111
def test_no_filename_is_none():
"""Assert if passed no filename return is None"""
assert load(settings) is None
def test_key_error_on_invalid_env():
"""Assert error raised if env is not found in JSON"""
with pytest.raises(KeyError):
load(settings, filename=JSON, env="FOOBAR", silent=False)
def test_no_key_error_on_invalid_env():
"""Assert error raised if env is not found in JSON"""
load(settings, filename=JSON, env="FOOBAR", silent=True)
def test_load_single_key():
"""Test loading a single key"""
_JSON = """
{
"foo": {
"bar": "blaz",
"zaz": "naz"
}
}
"""
load(settings, filename=_JSON, env="FOO", key="bar")
assert settings.BAR == "blaz"
assert settings.exists("BAR") is True
assert settings.exists("ZAZ") is False
def test_empty_value():
load(settings, filename="")
def test_multiple_filenames():
load(settings, filename="a.json,b.json,c.json,d.json")
def test_cleaner():
load(settings, filename=JSON)
assert settings.HOST == "prodserver.com"
assert settings.PORT == 8080
assert settings.ALIST == ["item1", "item2", 23]
assert settings.SERVICE["url"] == "service.com"
assert settings.SERVICE.url == "service.com"
assert settings.SERVICE.port == 80
assert settings.SERVICE.auth.password == "qwerty"
assert settings.SERVICE.auth.test == 1234
load(settings, filename=JSON, env="DEVELOPMENT")
assert settings.HOST == "devserver.com"
load(settings, filename=JSON)
assert settings.HOST == "prodserver.com"
settings.clean()
with pytest.raises(AttributeError):
assert settings.HOST == "prodserver.com"
def test_using_env(tmpdir):
load(settings, filename=JSON)
assert settings.HOST == "prodserver.com"
tmpfile = tmpdir.mkdir("sub").join("test_using_env.json")
tmpfile.write(JSON)
with settings.using_env("DEVELOPMENT", filename=str(tmpfile)):
assert settings.HOST == "devserver.com"
assert settings.HOST == "prodserver.com"
def test_load_dunder():
"""Test loading with dunder settings"""
_JSON = """
{
"foo": {
"colors__yellow__code": "#FFCC00",
"COLORS__yellow__name": "Yellow"
}
}
"""
load(settings, filename=_JSON, env="FOO")
assert settings.COLORS.yellow.code == "#FFCC00"
assert settings.COLORS.yellow.name == "Yellow"
def test_dynaconf_encoder():
class Dummy:
def _dynaconf_encode(self):
return "Dummy"
class DummyNotSerializable:
_dynaconf_encode = 42
data = {"dummy": Dummy()}
data_error = {"dummy": DummyNotSerializable()}
assert json.dumps(data, cls=DynaconfEncoder) == '{"dummy": "Dummy"}'
with pytest.raises(TypeError):
json.dumps(data_error, cls=DynaconfEncoder)
def test_envless():
settings = LazySettings()
_json = """
{
"colors__yellow__code": "#FFCC00",
"COLORS__yellow__name": "Yellow"
}
"""
load(settings, filename=_json)
assert settings.COLORS.yellow.code == "#FFCC00"
assert settings.COLORS.yellow.name == "Yellow"
def test_prefix():
settings = LazySettings(filter_strategy=PrefixFilter("prefix"))
_json = """
{
"prefix_colors__yellow__code": "#FFCC00",
"COLORS__yellow__name": "Yellow"
}
"""
load(settings, filename=_json)
assert settings.COLORS.yellow.code == "#FFCC00"
with pytest.raises(AttributeError):
settings.COLORS.yellow.name
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