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test_provision.py
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test_provision.py
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from __future__ import absolute_import, unicode_literals
import json
import os
import shutil
import subprocess
import sys
import py
import pytest
from virtualenv.info import IS_PYPY
if sys.version_info[:2] >= (3, 4):
from pathlib import Path
else:
from pathlib2 import Path
from six.moves.urllib.parse import urljoin
from six.moves.urllib.request import pathname2url
from tox.exception import BadRequirement, MissingRequirement
@pytest.fixture(scope="session")
def next_tox_major():
"""a tox version we can guarantee to not be available"""
return "10.0.0"
@pytest.fixture(scope="session", params=["minversion", "min_version"])
def minversion_option(request):
"""both possible names for the minversion config option"""
return request.param
def test_provision_min_version_is_requires(newconfig, minversion_option, next_tox_major):
with pytest.raises(MissingRequirement) as context:
newconfig(
[],
"""\
[tox]
{} = {}
""".format(
minversion_option,
next_tox_major,
),
)
config = context.value.config
deps = [r.name for r in config.envconfigs[config.provision_tox_env].deps]
assert deps == ["tox >= {}".format(next_tox_major)]
assert config.run_provision is True
assert config.toxworkdir
assert config.toxinipath
assert config.provision_tox_env == ".tox"
assert config.ignore_basepython_conflict is False
def test_provision_config_has_minversion_and_requires(
newconfig, minversion_option, next_tox_major
):
with pytest.raises(MissingRequirement) as context:
newconfig(
[],
"""\
[tox]
{} = {}
requires =
setuptools > 2
pip > 3
""".format(
minversion_option,
next_tox_major,
),
)
config = context.value.config
assert config.run_provision is True
assert config.minversion == next_tox_major
assert config.requires == ["setuptools > 2", "pip > 3"]
def test_provision_config_empty_minversion_and_requires(newconfig, next_tox_major):
config = newconfig([], "")
assert config.run_provision is False
assert config.minversion is None
assert config.requires == []
def test_provision_tox_change_name(newconfig):
config = newconfig(
[],
"""\
[tox]
provision_tox_env = magic
""",
)
assert config.provision_tox_env == "magic"
def test_provision_basepython_global_only(newconfig, minversion_option, next_tox_major):
"""we don't want to inherit basepython from global"""
with pytest.raises(MissingRequirement) as context:
newconfig(
[],
"""\
[tox]
{} = {}
[testenv]
basepython = what
""".format(
minversion_option,
next_tox_major,
),
)
config = context.value.config
base_python = config.envconfigs[".tox"].basepython
assert base_python == sys.executable
def test_provision_basepython_local(newconfig, minversion_option, next_tox_major):
"""however adhere to basepython when explicitly set"""
with pytest.raises(MissingRequirement) as context:
newconfig(
[],
"""\
[tox]
{} = {}
[testenv:.tox]
basepython = what
""".format(
minversion_option,
next_tox_major,
),
)
config = context.value.config
base_python = config.envconfigs[".tox"].basepython
assert base_python == "what"
def test_provision_bad_requires(newconfig, capsys, monkeypatch):
with pytest.raises(BadRequirement):
newconfig(
[],
"""\
[tox]
requires = sad >sds d ok
""",
)
out, err = capsys.readouterr()
assert "ERROR: failed to parse InvalidRequirement" in out
assert not err
@pytest.fixture()
def plugin(monkeypatch, tmp_path):
dest = tmp_path / "a"
shutil.copytree(str(py.path.local(__file__).dirpath().join("plugin")), str(dest))
subprocess.check_output([sys.executable, "setup.py", "egg_info"], cwd=str(dest))
monkeypatch.setenv(str("PYTHONPATH"), str(dest))
def test_provision_cli_args_ignore(cmd, initproj, monkeypatch, plugin):
import tox.config
import tox.session
prev_ensure = tox.config.ParseIni.ensure_requires_satisfied
@staticmethod
def ensure_requires_satisfied(config, requires, min_version):
result = prev_ensure(config, requires, min_version)
config.run_provision = True
return result
monkeypatch.setattr(
tox.config.ParseIni,
"ensure_requires_satisfied",
ensure_requires_satisfied,
)
prev_get_venv = tox.session.Session.getvenv
def getvenv(self, name):
venv = prev_get_venv(self, name)
venv.envconfig.envdir = py.path.local(sys.executable).dirpath().dirpath()
venv.setupenv = lambda: True
venv.finishvenv = lambda: True
return venv
monkeypatch.setattr(tox.session.Session, "getvenv", getvenv)
initproj("test-0.1", {"tox.ini": "[tox]"})
result = cmd("-a", "--option", "b")
result.assert_success(is_run_test_env=False)
def test_provision_cli_args_not_ignored_if_provision_false(cmd, initproj):
initproj("test-0.1", {"tox.ini": "[tox]"})
result = cmd("-a", "--option", "b")
result.assert_fail(is_run_test_env=False)
parametrize_json_path = pytest.mark.parametrize("json_path", [None, "missing.json"])
@parametrize_json_path
def test_provision_does_not_fail_with_no_provision_no_reason(cmd, initproj, json_path):
p = initproj("test-0.1", {"tox.ini": "[tox]"})
result = cmd("--no-provision", *([json_path] if json_path else []))
result.assert_success(is_run_test_env=True)
assert not (p / "missing.json").exists()
@parametrize_json_path
def test_provision_fails_with_no_provision_next_tox(
cmd, initproj, minversion_option, next_tox_major, json_path
):
p = initproj(
"test-0.1",
{
"tox.ini": """\
[tox]
{} = {}
""".format(
minversion_option,
next_tox_major,
)
},
)
result = cmd("--no-provision", *([json_path] if json_path else []))
result.assert_fail(is_run_test_env=False)
if json_path:
missing = json.loads((p / json_path).read_text("utf-8"))
assert missing["minversion"] == next_tox_major
@parametrize_json_path
def test_provision_fails_with_no_provision_missing_requires(cmd, initproj, json_path):
p = initproj(
"test-0.1",
{
"tox.ini": """\
[tox]
requires =
virtualenv > 99999999
"""
},
)
result = cmd("--no-provision", *([json_path] if json_path else []))
result.assert_fail(is_run_test_env=False)
if json_path:
missing = json.loads((p / json_path).read_text("utf-8"))
assert missing["requires"] == ["virtualenv > 99999999"]
@parametrize_json_path
def test_provision_does_not_fail_with_satisfied_requires(
cmd, initproj, minversion_option, json_path
):
p = initproj(
"test-0.1",
{
"tox.ini": """\
[tox]
{} = 0
requires =
setuptools > 2
pip > 3
""".format(
minversion_option
)
},
)
result = cmd("--no-provision", *([json_path] if json_path else []))
result.assert_success(is_run_test_env=True)
assert not (p / "missing.json").exists()
@parametrize_json_path
def test_provision_fails_with_no_provision_combined(
cmd, initproj, minversion_option, next_tox_major, json_path
):
p = initproj(
"test-0.1",
{
"tox.ini": """\
[tox]
{} = {}
requires =
setuptools > 2
pip > 3
""".format(
minversion_option,
next_tox_major,
)
},
)
result = cmd("--no-provision", *([json_path] if json_path else []))
result.assert_fail(is_run_test_env=False)
if json_path:
missing = json.loads((p / json_path).read_text("utf-8"))
assert missing["minversion"] == next_tox_major
assert missing["requires"] == ["setuptools > 2", "pip > 3"]
@pytest.fixture(scope="session")
def wheel(tmp_path_factory):
"""create a wheel for a project"""
state = {"at": 0}
def _wheel(path):
state["at"] += 1
dest_path = tmp_path_factory.mktemp("wheel-{}-".format(state["at"]))
env = os.environ.copy()
try:
subprocess.check_output(
[
sys.executable,
"-m",
"pip",
"wheel",
"-w",
str(dest_path),
"--no-deps",
str(path),
],
universal_newlines=True,
stderr=subprocess.STDOUT,
env=env,
)
except subprocess.CalledProcessError as exception:
assert not exception.returncode, exception.output
wheels = list(dest_path.glob("*.whl"))
assert len(wheels) == 1
wheel = wheels[0]
return wheel
return _wheel
THIS_PROJECT_ROOT = Path(__file__).resolve().parents[3]
@pytest.fixture(scope="session")
def tox_wheel(wheel):
return wheel(THIS_PROJECT_ROOT)
@pytest.fixture(scope="session")
def magic_non_canonical_wheel(wheel, tmp_path_factory):
magic_proj = tmp_path_factory.mktemp("magic")
(magic_proj / "setup.py").write_text(
"from setuptools import setup\nsetup(name='com.magic.this-is-fun')",
)
return wheel(magic_proj)
@pytest.mark.skipif(IS_PYPY and sys.version_info[0] > 2, reason="fails on pypy3")
def test_provision_non_canonical_dep(
cmd,
initproj,
monkeypatch,
tox_wheel,
magic_non_canonical_wheel,
):
initproj(
"w-0.1",
{
"tox.ini": """\
[tox]
envlist = py
requires =
com.magic.this-is-fun
tox == {}
[testenv:.tox]
passenv = *
""".format(
tox_wheel.name.split("-")[1],
),
},
)
find_links = " ".join(
space_path2url(d) for d in (tox_wheel.parent, magic_non_canonical_wheel.parent)
)
monkeypatch.setenv(str("PIP_FIND_LINKS"), str(find_links))
result = cmd("-a", "-v", "-v")
result.assert_success(is_run_test_env=False)
def test_provision_requirement_with_environment_marker(cmd, initproj):
initproj(
"proj",
{
"tox.ini": """\
[tox]
requires =
package-that-does-not-exist;python_version=="1.0"
""",
},
)
result = cmd("-e", "py", "-vv")
result.assert_success(is_run_test_env=False)
def space_path2url(path):
at_path = str(path)
if " " not in at_path:
return at_path
return urljoin("file:", pathname2url(os.path.abspath(at_path)))
def test_provision_does_not_occur_in_devenv(newconfig, minversion_option, next_tox_major):
"""Adding --devenv should not change the directory where provisioning occurs"""
with pytest.raises(MissingRequirement) as context:
newconfig(
["--devenv", "my_devenv"],
"""\
[tox]
{} = {}
""".format(
minversion_option,
next_tox_major,
),
)
config = context.value.config
assert config.run_provision is True
assert config.envconfigs[".tox"].envdir.basename != "my_devenv"