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import io
import pathlib
import typing
import pytest
from maison import config_parser
from maison import errors
from maison import typedefs
class FakePyprojectParser:
def parse_config(self, file: typing.BinaryIO) -> typedefs.ConfigValues:
return {"config": "pyproject"}
class FakeTomlParser:
def parse_config(self, file: typing.BinaryIO) -> typedefs.ConfigValues:
return {"config": "toml"}
class TestParsesConfig:
def setup_method(self):
self.parser = config_parser.ConfigParser()
def test_uses_parser_by_file_path_and_stem(self):
self.parser.register_parser(
suffix=".toml", parser=FakePyprojectParser(), stem="pyproject"
)
values = self.parser.parse_config(
file_path=pathlib.Path("path/to/pyproject.toml"),
file=io.BytesIO(b"file"),
)
assert values == {"config": "pyproject"}
def test_falls_back_to_suffix(self):
self.parser.register_parser(
suffix=".toml", parser=FakePyprojectParser(), stem="pyproject"
)
self.parser.register_parser(suffix=".toml", parser=FakeTomlParser())
values = self.parser.parse_config(
pathlib.Path("path/to/.acme.toml"),
file=io.BytesIO(b"file"),
)
assert values == {"config": "toml"}
def test_raises_error_if_no_parser_available(self):
with pytest.raises(errors.UnsupportedConfigError):
_ = self.parser.parse_config(
pathlib.Path("path/to/.acme.toml"),
file=io.BytesIO(b"file"),
)
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