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Tests: Manipulate INI config with ConfigParser

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This commit is contained in:
Petr Viktorin 2020-11-04 15:23:37 +01:00 committed by Miro Hrončok
parent 10da929f4b
commit f663c1b4d5
2 changed files with 24 additions and 7 deletions
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1
tests/fixtures/tox.ini vendored
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@ -10,4 +10,3 @@ extras =
full full
commands = commands =
python -c 'import os, sys; print(os.path.realpath(sys.exec_prefix), "is the exec_prefix")' python -c 'import os, sys; print(os.path.realpath(sys.exec_prefix), "is the exec_prefix")'
# note: some tests assume [testenv] is the last section

30
tests/test_integration.py
View File

@ -7,6 +7,8 @@ import subprocess
import sys import sys
import textwrap import textwrap
import warnings import warnings
import configparser
import contextlib
from packaging import version from packaging import version
@ -51,6 +53,24 @@ def print_extras_stdout_arg(request):
return request.param return request.param
@contextlib.contextmanager
def modify_config(tox_ini_path):
"""Context manager that allows modifying the given Tox config file
A statement like::
with prepare_config(projdir) as config:
will make `config` a ConfigParser instance that is saved at the end
of the `with` block.
"""
config = configparser.ConfigParser()
config.read(tox_ini_path)
yield config
with open(tox_ini_path, 'w') as tox_ini_file:
config.write(tox_ini_file)
def tox(*args, quiet=True, **kwargs): def tox(*args, quiet=True, **kwargs):
kwargs.setdefault("encoding", "utf-8") kwargs.setdefault("encoding", "utf-8")
kwargs.setdefault("stdout", subprocess.PIPE) kwargs.setdefault("stdout", subprocess.PIPE)
@ -552,9 +572,8 @@ def test_noquiet_installed_packages(flag):
@pytest.mark.parametrize("flag", ["--print-deps-to=-", "--print-extras-to=-", "--current-env"]) @pytest.mark.parametrize("flag", ["--print-deps-to=-", "--print-extras-to=-", "--current-env"])
@pytest.mark.parametrize("usedevelop", [True, False]) @pytest.mark.parametrize("usedevelop", [True, False])
def test_self_is_not_installed(projdir, flag, usedevelop): def test_self_is_not_installed(projdir, flag, usedevelop):
tox_ini = projdir / "tox.ini" with modify_config(projdir / 'tox.ini') as config:
with open(tox_ini, 'a') as tox_ini_file: config['testenv']['usedevelop'] = str(usedevelop)
print(f"usedevelop={usedevelop}", file=tox_ini_file)
result = tox("-e", NATIVE_TOXENV, flag, quiet=False) result = tox("-e", NATIVE_TOXENV, flag, quiet=False)
assert 'test==0.0.0' not in result.stdout assert 'test==0.0.0' not in result.stdout
assert 'test @ file://' not in result.stdout assert 'test @ file://' not in result.stdout
@ -562,9 +581,8 @@ def test_self_is_not_installed(projdir, flag, usedevelop):
@pytest.mark.parametrize("usedevelop", [True, False]) @pytest.mark.parametrize("usedevelop", [True, False])
def test_self_is_installed_with_regular_tox(projdir, usedevelop): def test_self_is_installed_with_regular_tox(projdir, usedevelop):
tox_ini = projdir / "tox.ini" with modify_config(projdir / 'tox.ini') as config:
with open(tox_ini, 'a') as tox_ini_file: config['testenv']['usedevelop'] = str(usedevelop)
print(f"usedevelop={usedevelop}", file=tox_ini_file)
result = tox("-e", NATIVE_TOXENV, quiet=False) result = tox("-e", NATIVE_TOXENV, quiet=False)
assert ('test==0.0.0' in result.stdout or assert ('test==0.0.0' in result.stdout or
'test @ file://' in result.stdout) 'test @ file://' in result.stdout)