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from __future__ import print_function
from __future__ import unicode_literals
import os
import textwrap
import time
from fnmatch import fnmatch
import py
import pytest
import six
import tox
from .config import parseconfig
from .result import ResultLog
from .session import main
from .venv import VirtualEnv
def pytest_configure():
if 'TOXENV' in os.environ:
del os.environ['TOXENV']
if 'HUDSON_URL' in os.environ:
del os.environ['HUDSON_URL']
def pytest_addoption(parser):
parser.addoption("--no-network", action="store_true",
dest="no_network",
help="don't run tests requiring network")
def pytest_report_header():
return "tox comes from: {}".format(repr(tox.__file__))
@pytest.fixture
def newconfig(request, tmpdir):
def newconfig(args, source=None, plugins=()):
if source is None:
source = args
args = []
s = textwrap.dedent(source)
p = tmpdir.join("tox.ini")
p.write(s)
old = tmpdir.chdir()
try:
return parseconfig(args, plugins=plugins)
finally:
old.chdir()
return newconfig
@pytest.fixture
def cmd(request, capfd, monkeypatch):
if request.config.option.no_network:
pytest.skip("--no-network was specified, test cannot run")
request.addfinalizer(py.path.local().chdir)
def run(*argv):
key = str(b'PYTHONPATH')
python_paths = (i for i in (str(os.getcwd()), os.getenv(key)) if i)
monkeypatch.setenv(key, os.pathsep.join(python_paths))
with RunResult(capfd, argv) as result:
try:
main([str(x) for x in argv])
assert False # this should always exist with SystemExit
except SystemExit as exception:
result.ret = exception.code
except OSError as e:
result.ret = e.errno
return result
yield run
class RunResult:
def __init__(self, capfd, args):
self._capfd = capfd
self.args = args
self.ret = None
self.duration = None
self.out = None
self.err = None
def __enter__(self):
self._start = time.time()
# noinspection PyProtectedMember
self._capfd._start()
return self
def __exit__(self, exc_type, exc_val, exc_tb):
self.duration = time.time() - self._start
self.out, self.err = self._capfd.readouterr()
@property
def outlines(self):
return self.out.splitlines()
def __repr__(self):
return 'RunResult(ret={}, args={}, out=\n{}\n, err=\n{})'.format(
self.ret, ' '.join(str(i) for i in self.args), self.out, self.err)
class ReportExpectMock:
def __init__(self, session):
self._calls = []
self._index = -1
self.session = session
def clear(self):
self._calls[:] = []
def __getattr__(self, name):
if name[0] == "_":
raise AttributeError(name)
elif name == 'verbosity':
# FIXME: special case for property on Reporter class, may it be generalized?
return 0
def generic_report(*args, **kwargs):
self._calls.append((name,) + args)
print("%s" % (self._calls[-1],))
return generic_report
def getnext(self, cat):
__tracebackhide__ = True
newindex = self._index + 1
while newindex < len(self._calls):
call = self._calls[newindex]
lcat = call[0]
if fnmatch(lcat, cat):
self._index = newindex
return call
newindex += 1
raise LookupError(
"looking for %r, no reports found at >=%d in %r" %
(cat, self._index + 1, self._calls))
def expect(self, cat, messagepattern="*", invert=False):
__tracebackhide__ = True
if not messagepattern.startswith("*"):
messagepattern = "*" + messagepattern
while self._index < len(self._calls):
try:
call = self.getnext(cat)
except LookupError:
break
for lmsg in call[1:]:
lmsg = str(lmsg).replace("\n", " ")
if fnmatch(lmsg, messagepattern):
if invert:
raise AssertionError("found %s(%r), didn't expect it" %
(cat, messagepattern))
return
if not invert:
raise AssertionError(
"looking for %s(%r), no reports found at >=%d in %r" %
(cat, messagepattern, self._index + 1, self._calls))
def not_expect(self, cat, messagepattern="*"):
return self.expect(cat, messagepattern, invert=True)
class pcallMock:
def __init__(self, args, cwd, env, stdout, stderr, shell):
self.arg0 = args[0]
self.args = args[1:]
self.cwd = cwd
self.env = env
self.stdout = stdout
self.stderr = stderr
self.shell = shell
def communicate(self):
return "", ""
def wait(self):
pass
@pytest.fixture
def mocksession(request):
from tox.session import Session
class MockSession(Session):
def __init__(self):
self._clearmocks()
self.config = request.getfixturevalue("newconfig")([], "")
self.resultlog = ResultLog()
self._actions = []
def getenv(self, name):
return VirtualEnv(self.config.envconfigs[name], session=self)
def _clearmocks(self):
self._pcalls = []
self._spec2pkg = {}
self.report = ReportExpectMock(self)
def make_emptydir(self, path):
pass
def popen(self, args, cwd, shell=None,
universal_newlines=False,
stdout=None, stderr=None, env=None):
pm = pcallMock(args, cwd, env, stdout, stderr, shell)
self._pcalls.append(pm)
return pm
return MockSession()
@pytest.fixture
def newmocksession(request):
mocksession = request.getfixturevalue("mocksession")
newconfig = request.getfixturevalue("newconfig")
def newmocksession(args, source, plugins=()):
mocksession.config = newconfig(args, source, plugins=plugins)
return mocksession
return newmocksession
def getdecoded(out):
try:
return out.decode("utf-8")
except UnicodeDecodeError:
return "INTERNAL not-utf8-decodeable, truncated string:\n%s" % (
py.io.saferepr(out),)
@pytest.fixture
def initproj(request, tmpdir):
"""Create a factory function for creating example projects
Constructed folder/file hierarchy examples:
with `src_root` other than `.`:
tmpdir/
name/ # base
src_root/ # src_root
name/ # package_dir
__init__.py
name.egg-info/ # created later on package build
setup.py
with `src_root` given as `.`:
tmpdir/
name/ # base, src_root
name/ # package_dir
__init__.py
name.egg-info/ # created later on package build
setup.py
"""
def initproj(nameversion, filedefs=None, src_root="."):
if filedefs is None:
filedefs = {}
if not src_root:
src_root = '.'
if isinstance(nameversion, six.string_types):
parts = nameversion.split(str("-"))
if len(parts) == 1:
parts.append("0.1")
name, version = parts
else:
name, version = nameversion
base = tmpdir.join(name)
src_root_path = _path_join(base, src_root)
assert base == src_root_path or src_root_path.relto(base), (
'`src_root` must be the constructed project folder or its direct '
'or indirect subfolder')
base.ensure(dir=1)
create_files(base, filedefs)
if not _filedefs_contains(base, filedefs, 'setup.py'):
create_files(base, {'setup.py': '''
from setuptools import setup, find_packages
setup(
name='%(name)s',
description='%(name)s project',
version='%(version)s',
license='MIT',
platforms=['unix', 'win32'],
packages=find_packages('%(src_root)s'),
package_dir={'':'%(src_root)s'},
)
''' % locals()})
if not _filedefs_contains(base, filedefs, src_root_path.join(name)):
create_files(src_root_path, {
name: {'__init__.py': '__version__ = %r' % version}
})
manifestlines = ["include %s" % p.relto(base)
for p in base.visit(lambda x: x.check(file=1))]
create_files(base, {"MANIFEST.in": "\n".join(manifestlines)})
print("created project in %s" % (base,))
base.chdir()
return base
return initproj
def _path_parts(path):
path = path and str(path) # py.path.local support
parts = []
while path:
folder, name = os.path.split(path)
if folder == path: # root folder
folder, name = name, folder
if name:
parts.append(name)
path = folder
parts.reverse()
return parts
def _path_join(base, *args):
# workaround for a py.path.local bug on Windows (`path.join('/x', abs=1)`
# should be py.path.local('X:\\x') where `X` is the current drive, when in
# fact it comes out as py.path.local('\\x'))
return py.path.local(base.join(*args, abs=1))
def _filedefs_contains(base, filedefs, path):
"""
whether `filedefs` defines a file/folder with the given `path`
`path`, if relative, will be interpreted relative to the `base` folder, and
whether relative or not, must refer to either the `base` folder or one of
its direct or indirect children. The base folder itself is considered
created if the filedefs structure is not empty.
"""
unknown = object()
base = py.path.local(base)
path = _path_join(base, path)
path_rel_parts = _path_parts(path.relto(base))
for part in path_rel_parts:
if not isinstance(filedefs, dict):
return False
filedefs = filedefs.get(part, unknown)
if filedefs is unknown:
return False
return path_rel_parts or path == base and filedefs
def create_files(base, filedefs):
for key, value in filedefs.items():
if isinstance(value, dict):
create_files(base.ensure(key, dir=1), value)
elif isinstance(value, six.string_types):
s = textwrap.dedent(value)
base.join(key).write(s)
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