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"""Helpers for testing."""
import io
import os
import pytest
DIR_PATH = os.path.dirname(__file__)
FILES_DIR = os.path.join(DIR_PATH, 'files')
@pytest.fixture()
def filepath():
"""Returns full file path for test files."""
def make_filepath(filename):
# https://stackoverflow.com/questions/18011902/py-test-pass-a-parameter-to-a-fixture-function
# Alternate solution is to use parametrization `indirect=True`
# https://stackoverflow.com/questions/18011902/py-test-pass-a-parameter-to-a-fixture-function/33879151#33879151
# Syntax is noisy and requires specific variable names
return os.path.join(FILES_DIR, filename)
return make_filepath
@pytest.fixture()
def load_file(filepath):
"""Opens filename with encoding and return its contents."""
def make_load_file(filename, encoding='utf-8'):
# https://stackoverflow.com/questions/18011902/py-test-pass-a-parameter-to-a-fixture-function
# Alternate solution is to use parametrization `indirect=True`
# https://stackoverflow.com/questions/18011902/py-test-pass-a-parameter-to-a-fixture-function/33879151#33879151
# Syntax is noisy and requires specific variable names
# And seems to be limited to only 1 argument.
with open(filepath(filename), encoding=encoding) as f:
return f.read().strip()
return make_load_file
@pytest.fixture()
def get_stream(filepath):
def make_stream(filename, encoding='utf-8'):
return open(filepath(filename), encoding=encoding)
return make_stream
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