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github.com_fedora-python_to.../tests/test_integration.py

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import functools
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import os
import pathlib
import re
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import shutil
import subprocess
import sys
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import textwrap
import warnings
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from packaging import version
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import pytest
NATIVE_TOXENV = f"py{sys.version_info[0]}{sys.version_info[1]}"
NATIVE_EXECUTABLE = str(pathlib.Path(sys.executable).resolve())
NATIVE_EXEC_PREFIX = str(pathlib.Path(sys.exec_prefix).resolve())
NATIVE_EXEC_PREFIX_MSG = f"{NATIVE_EXEC_PREFIX} is the exec_prefix"
FIXTURES_DIR = pathlib.Path(__file__).parent / "fixtures"
DOT_TOX = pathlib.Path("./.tox")
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@pytest.fixture(autouse=True)
def projdir(tmp_path, monkeypatch):
pwd = tmp_path / "projdir"
pwd.mkdir()
for fname in "tox.ini", "setup.py":
shutil.copy(FIXTURES_DIR / fname, pwd)
monkeypatch.chdir(pwd)
@pytest.fixture(params=('--print-deps-only', '--print-deps-to-file=-', '--print-deps-to=-'))
def print_deps_stdout_arg(request):
"""Argument for printing deps to stdout"""
return request.param
def tox(*args, quiet=True, **kwargs):
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kwargs.setdefault("encoding", "utf-8")
kwargs.setdefault("stdout", subprocess.PIPE)
kwargs.setdefault("stderr", subprocess.PIPE)
kwargs.setdefault("check", True)
q = ("-q",) if quiet else ()
cp = subprocess.run((sys.executable, "-m", "tox") + q + args, **kwargs)
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print(cp.stdout, file=sys.stdout)
print(cp.stderr, file=sys.stderr)
return cp
@functools.lru_cache(maxsize=8)
def is_available(python):
try:
subprocess.run((python, "--version"))
except FileNotFoundError:
return False
return True
TOX_VERSION = version.parse(tox("--version").stdout.split(" ")[0])
TOX313 = TOX_VERSION < version.parse("3.14")
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needs_py36789 = pytest.mark.skipif(
not all((is_available(f"python3.{x}") for x in range(6, 10))),
reason="This test needs python3.6, 3.7, 3.8 and 3.9 available in $PATH",
)
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def test_native_toxenv_current_env():
result = tox("-e", NATIVE_TOXENV, "--current-env")
assert result.stdout.splitlines()[0] == NATIVE_EXEC_PREFIX_MSG
assert not (DOT_TOX / NATIVE_TOXENV / "lib").is_dir()
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@needs_py36789
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def test_all_toxenv_current_env():
result = tox("--current-env", check=False)
assert NATIVE_EXEC_PREFIX_MSG in result.stdout.splitlines()
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assert result.stdout.count("InterpreterMismatch:") >= 2
assert result.returncode > 0
@pytest.mark.parametrize("python", ["python3.4", "python3.5"])
def test_missing_toxenv_current_env(python):
if is_available(python):
pytest.skip(f"Only works if {python} is not available in $PATH")
env = python.replace("python", "py").replace(".", "")
result = tox("-e", env, "--current-env", check=False)
assert f"InterpreterNotFound: {python}" in result.stdout
assert "Traceback" not in (result.stderr + result.stdout)
assert result.returncode > 0
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@needs_py36789
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def test_all_toxenv_current_env_skip_missing():
result = tox("--current-env", "--skip-missing-interpreters", check=False)
assert "InterpreterMismatch:" in result.stdout
assert "congratulations" in result.stdout
assert result.returncode == 0
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@pytest.mark.parametrize("toxenv", ["py36", "py37", "py38", "py39"])
def test_print_deps(toxenv, print_deps_stdout_arg):
result = tox("-e", toxenv, print_deps_stdout_arg)
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expected = textwrap.dedent(
f"""
six
py
___________________________________ summary ____________________________________
{toxenv}: commands succeeded
congratulations :)
"""
).lstrip()
assert result.stdout == expected
@pytest.mark.parametrize("toxenv", ["py36", "py37", "py38", "py39"])
def test_print_deps_only_deprecated(toxenv):
result = tox(
"-e", toxenv, '--print-deps-only',
env={**os.environ, 'PYTHONWARNINGS': 'always'},
)
waring_text = (
"DeprecationWarning: --print-deps-only is deprecated; "
+ "use `--print-deps-to -`"
)
assert waring_text in result.stderr
def test_allenvs_print_deps(print_deps_stdout_arg):
result = tox(print_deps_stdout_arg)
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expected = textwrap.dedent(
"""
six
py
six
py
six
py
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six
py
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___________________________________ summary ____________________________________
py36: commands succeeded
py37: commands succeeded
py38: commands succeeded
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py39: commands succeeded
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congratulations :)
"""
).lstrip()
assert result.stdout == expected
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@pytest.mark.parametrize("toxenv", ["py36", "py37", "py38", "py39"])
def test_print_deps_to_file(toxenv, tmp_path):
depspath = tmp_path / "deps"
result = tox("-e", toxenv, "--print-deps-to", str(depspath))
assert depspath.read_text().splitlines() == ["six", "py"]
expected = textwrap.dedent(
f"""
___________________________________ summary ____________________________________
{toxenv}: commands succeeded
congratulations :)
"""
).lstrip()
assert result.stdout == expected
def test_allenvs_print_deps_to_file(tmp_path):
depspath = tmp_path / "deps"
result = tox("--print-deps-to", str(depspath))
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assert depspath.read_text().splitlines() == ["six", "py"] * 4
expected = textwrap.dedent(
"""
___________________________________ summary ____________________________________
py36: commands succeeded
py37: commands succeeded
py38: commands succeeded
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py39: commands succeeded
congratulations :)
"""
).lstrip()
assert result.stdout == expected
def test_allenvs_print_deps_to_existing_file(tmp_path):
depspath = tmp_path / "deps"
depspath.write_text("nada")
result = tox("--print-deps-to", str(depspath))
lines = depspath.read_text().splitlines()
assert "nada" not in lines
assert "six" in lines
assert "py" in lines
def test_print_deps_only_print_deps_to_file_are_mutually_exclusive():
result = tox(
"-e",
NATIVE_TOXENV,
"--print-deps-only",
"--print-deps-to",
"foobar",
check=False,
)
assert result.returncode > 0
assert "cannot be used together" in result.stderr
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@needs_py36789
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def test_regular_run():
result = tox()
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lines = sorted(result.stdout.splitlines()[:4])
assert "/.tox/py36 is the exec_prefix" in lines[0]
assert "/.tox/py37 is the exec_prefix" in lines[1]
assert "/.tox/py38 is the exec_prefix" in lines[2]
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assert "/.tox/py39 is the exec_prefix" in lines[3]
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assert "congratulations" in result.stdout
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for y in 6, 7, 8, 9:
if TOX313 and y > 8:
# there is a bug in tox < 3.14,
# it creates venv with /usr/bin/python3 if the version is unknown
# See https://src.fedoraproject.org/rpms/python-tox/pull-request/15
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continue
for pkg in "py", "six", "test":
sitelib = DOT_TOX / f"py3{y}/lib/python3.{y}/site-packages"
assert sitelib.is_dir()
assert len(list(sitelib.glob(f"{pkg}-*.dist-info"))) == 1
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def test_regular_run_native_toxenv():
result = tox("-e", NATIVE_TOXENV)
lines = sorted(result.stdout.splitlines()[:1])
assert f"/.tox/{NATIVE_TOXENV} is the exec_prefix" in lines[0]
assert "congratulations" in result.stdout
for pkg in "py", "six", "test":
sitelib = (
DOT_TOX / f"{NATIVE_TOXENV}/lib/python3.{NATIVE_TOXENV[-1]}/site-packages"
)
assert sitelib.is_dir()
assert len(list(sitelib.glob(f"{pkg}-*.dist-info"))) == 1
def test_regular_after_current_is_supported():
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result = tox("-e", NATIVE_TOXENV, "--current-env")
assert result.stdout.splitlines()[0] == NATIVE_EXEC_PREFIX_MSG
result = tox("-e", NATIVE_TOXENV)
assert f"/.tox/{NATIVE_TOXENV} is the exec_prefix" in result.stdout
assert "--recreate" not in result.stderr
def test_regular_after_killed_current_is_not_supported(print_deps_stdout_arg):
# fake broken tox run
shutil.rmtree(DOT_TOX, ignore_errors=True)
(DOT_TOX / NATIVE_TOXENV / "bin").mkdir(parents=True)
(DOT_TOX / NATIVE_TOXENV / "bin" / "python").symlink_to(NATIVE_EXECUTABLE)
result = tox("-e", NATIVE_TOXENV, check=False)
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assert result.returncode > 0
assert "--recreate" in result.stderr
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def test_regular_after_first_print_deps_is_supported(print_deps_stdout_arg):
result = tox("-e", NATIVE_TOXENV, print_deps_stdout_arg)
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assert result.stdout.splitlines()[0] == "six"
result = tox("-e", NATIVE_TOXENV)
lines = sorted(result.stdout.splitlines()[:1])
assert "--recreate" not in result.stderr
assert f"/.tox/{NATIVE_TOXENV} is the exec_prefix" in lines[0]
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# check that "test" was not installed to current environment
shutil.rmtree("./test.egg-info")
pip_freeze = subprocess.run(
(sys.executable, "-m", "pip", "freeze"),
encoding="utf-8",
stdout=subprocess.PIPE,
).stdout.splitlines()
# XXX when this fails, recreate your current environment
assert "test==0.0.0" not in pip_freeze
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def test_regular_recreate_after_current():
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result = tox("-e", NATIVE_TOXENV, "--current-env")
assert result.stdout.splitlines()[0] == NATIVE_EXEC_PREFIX_MSG
result = tox("-re", NATIVE_TOXENV)
assert f"/.tox/{NATIVE_TOXENV} is the exec_prefix" in result.stdout
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assert "not supported" not in result.stderr
assert "--recreate" not in result.stderr
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def test_current_after_regular_is_not_supported():
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result = tox("-e", NATIVE_TOXENV)
assert f"/.tox/{NATIVE_TOXENV} is the exec_prefix" in result.stdout
result = tox("-e", NATIVE_TOXENV, "--current-env", check=False)
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assert result.returncode > 0
assert "not supported" in result.stderr
def test_current_recreate_after_regular():
result = tox("-e", NATIVE_TOXENV)
assert f"/.tox/{NATIVE_TOXENV} is the exec_prefix" in result.stdout
result = tox("-re", NATIVE_TOXENV, "--current-env")
assert result.stdout.splitlines()[0] == NATIVE_EXEC_PREFIX_MSG
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def test_current_after_print_deps(print_deps_stdout_arg):
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# this is quite fast, so we can do it several times
for _ in range(3):
result = tox("-e", NATIVE_TOXENV, print_deps_stdout_arg)
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assert "bin/python" not in result.stdout
assert "six" in result.stdout
result = tox("-re", NATIVE_TOXENV, "--current-env")
assert result.stdout.splitlines()[0] == NATIVE_EXEC_PREFIX_MSG
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def test_regular_recreate_after_print_deps(print_deps_stdout_arg):
result = tox("-e", NATIVE_TOXENV, print_deps_stdout_arg)
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assert "bin/python" not in result.stdout
assert "six" in result.stdout
result = tox("-re", NATIVE_TOXENV)
assert result.stdout.splitlines()[0] != NATIVE_EXEC_PREFIX_MSG
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sitelib = DOT_TOX / f"{NATIVE_TOXENV}/lib/python3.{NATIVE_TOXENV[-1]}/site-packages"
assert sitelib.is_dir()
assert len(list(sitelib.glob("test-*.dist-info"))) == 1
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result = tox("-e", NATIVE_TOXENV, print_deps_stdout_arg)
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assert "bin/python" not in result.stdout
assert "six" in result.stdout
def test_print_deps_without_python_command(tmp_path, print_deps_stdout_arg):
bin = tmp_path / "bin"
bin.mkdir()
tox_link = bin / "tox"
tox_path = shutil.which("tox")
tox_link.symlink_to(tox_path)
env = {**os.environ, "PATH": str(bin)}
result = tox("-e", NATIVE_TOXENV, print_deps_stdout_arg, env=env)
expected = textwrap.dedent(
f"""
six
py
___________________________________ summary ____________________________________
{NATIVE_TOXENV}: commands succeeded
congratulations :)
"""
).lstrip()
assert result.stdout == expected
@pytest.mark.parametrize("flag", [None, "--print-deps-only", "--current-env"])
def test_noquiet_installed_packages(flag):
flags = (flag,) if flag else ()
result = tox("-e", NATIVE_TOXENV, *flags, quiet=False, check=False)
assert f"\n{NATIVE_TOXENV} installed: " in result.stdout
for line in result.stdout.splitlines():
if line.startswith(f"{NATIVE_TOXENV} installed: "):
packages = line.rpartition(" installed: ")[-1].split(",")
break
# default tox produces output sorted by package names
assert packages == sorted(
packages, key=lambda p: p.partition("==")[0].partition(" @ ")[0]
)
# without a flag, the output must match tox defaults
if not flag:
assert len(packages) == 3
assert packages[0].startswith("py==")
assert packages[1].startswith("six==")
assert packages[2].startswith(("test==", "test @ ")) # old and new pip
# with our flags, uses the current environment by default, hence has tox, pytest
else:
assert f"tox=={TOX_VERSION}" in packages
assert len([p for p in packages if p.startswith("pytest==")]) == 1
assert all(re.match(r"\S+==\S+", p) for p in packages)