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# Copyright 2017 Alethea Katherine Flowers
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import annotations
import pytest
from nox import registry
@pytest.fixture
def cleanup_registry():
"""Ensure that the session registry is completely empty before and
after each test.
"""
try:
registry._REGISTRY.clear()
yield
finally:
registry._REGISTRY.clear()
def test_session_decorator(cleanup_registry):
# Establish that the use of the session decorator will cause the
# function to be found in the registry.
@registry.session_decorator
def unit_tests(session):
pass
answer = registry.get()
assert "unit_tests" in answer
assert answer["unit_tests"] is unit_tests
assert unit_tests.python is None
def test_session_decorator_single_python(cleanup_registry):
@registry.session_decorator(python="3.6")
def unit_tests(session):
pass
assert unit_tests.python == "3.6"
def test_session_decorator_list_of_pythons(cleanup_registry):
@registry.session_decorator(python=["3.5", "3.6"])
def unit_tests(session):
pass
assert unit_tests.python == ["3.5", "3.6"]
def test_session_decorator_tags(cleanup_registry):
@registry.session_decorator(tags=["tag-1", "tag-2"])
def unit_tests(session):
pass
assert unit_tests.tags == ["tag-1", "tag-2"]
def test_session_decorator_py_alias(cleanup_registry):
@registry.session_decorator(py=["3.5", "3.6"])
def unit_tests(session):
pass
assert unit_tests.python == ["3.5", "3.6"]
def test_session_decorator_py_alias_error(cleanup_registry):
with pytest.raises(ValueError, match="argument"):
@registry.session_decorator(python=["3.5", "3.6"], py="2.7")
def unit_tests(session):
pass
def test_session_decorator_reuse(cleanup_registry):
@registry.session_decorator(reuse_venv=True)
def unit_tests(session):
pass
assert unit_tests.reuse_venv is True
@pytest.mark.parametrize("name", ["unit-tests", "unit tests", "the unit tests"])
def test_session_decorator_name(cleanup_registry, name):
@registry.session_decorator(name=name)
def unit_tests(session):
pass
answer = registry.get()
assert "unit_tests" not in answer
assert name in answer
assert answer[name] is unit_tests
assert unit_tests.python is None
def test_get(cleanup_registry):
# Establish that the get method returns a copy of the registry.
empty = registry.get()
assert empty == registry._REGISTRY
assert empty is not registry._REGISTRY
assert len(empty) == 0
@registry.session_decorator
def unit_tests(session):
pass
@registry.session_decorator
def system_tests(session):
pass
full = registry.get()
assert empty != full
assert len(empty) == 0
assert len(full) == 2
assert full == registry._REGISTRY
assert full is not registry._REGISTRY
assert full["unit_tests"] is unit_tests
assert full["system_tests"] is system_tests
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