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import os
import time
import multiprocessing
import six
if six.PY3: # pragma: no cover
from dbm import whichdb
else:
from whichdb import whichdb
import py
import pytest
from doit.dependency import Dependency
from doit.task import Task
def get_abspath(relativePath):
""" return abs file path relative to this file"""
return os.path.join(os.path.dirname(__file__), relativePath)
# fixture to create a sample file to be used as file_dep
@pytest.fixture
def dependency1(request):
path = get_abspath("data/dependency1")
if os.path.exists(path): os.remove(path)
ff = open(path, "w")
ff.write("whatever" + str(time.asctime()))
ff.close()
def remove_dependency():
if os.path.exists(path):
os.remove(path)
request.addfinalizer(remove_dependency)
return path
# fixture to create a sample file to be used as file_dep
@pytest.fixture
def target1(request):
path = get_abspath("data/target1")
if os.path.exists(path): # pragma: no cover
os.remove(path)
def remove_path():
if os.path.exists(path):
os.remove(path)
request.addfinalizer(remove_path)
return path
# fixture for "doit.db". create/remove for every test
def remove_db(filename):
"""remove db file from anydbm"""
# dbm on some systems add '.db' on others add ('.dir', '.pag')
extensions = ['', #dbhash #gdbm
'.bak', #dumbdb
'.dat', #dumbdb
'.dir', #dumbdb #dbm2
'.db', #dbm1
'.pag', #dbm2
]
for ext in extensions:
if os.path.exists(filename + ext):
os.remove(filename + ext)
# dbm backends use different file extentions
db_ext = {'dbhash': [''],
'gdbm': [''],
'dbm': ['.db', '.dir'],
'dumbdbm': ['.dat'],
# for python3
'dbm.ndbm': ['.db'],
}
@pytest.fixture
def depfile(request):
if hasattr(request, 'param'):
dep_class = request.param
else:
dep_class = Dependency
# copied from tempdir plugin
name = request._pyfuncitem.name
name = py.std.re.sub("[\W]", "_", name)
my_tmpdir = request.config._tmpdirhandler.mktemp(name, numbered=True)
dep_file = dep_class(os.path.join(my_tmpdir.strpath, "testdb"))
dep_file.whichdb = whichdb(dep_file.name)
dep_file.name_ext = db_ext.get(dep_file.whichdb, [''])
def remove_depfile():
if not dep_file._closed:
dep_file.close()
remove_db(dep_file.name)
request.addfinalizer(remove_depfile)
return dep_file
@pytest.fixture
def depfile_name(request):
# copied from tempdir plugin
name = request._pyfuncitem.name
name = py.std.re.sub("[\W]", "_", name)
my_tmpdir = request.config._tmpdirhandler.mktemp(name, numbered=True)
depfile_name = (os.path.join(my_tmpdir.strpath, "testdb"))
def remove_depfile():
remove_db(depfile_name)
request.addfinalizer(remove_depfile)
return depfile_name
@pytest.fixture
def restore_cwd(request):
"""restore cwd to its initial value after test finishes."""
previous = os.getcwd()
def restore_cwd():
os.chdir(previous)
request.addfinalizer(restore_cwd)
# create a list of sample tasks
def tasks_sample():
tasks_sample = [
# 0
Task("t1", [""], doc="t1 doc string"),
# 1
Task("t2", [""], file_dep=['tests/data/dependency1'],
doc="t2 doc string"),
# 2
Task("g1", None, doc="g1 doc string", has_subtask=True),
# 3
Task("g1.a", [""], doc="g1.a doc string", is_subtask=True),
# 4
Task("g1.b", [""], doc="g1.b doc string", is_subtask=True),
# 5
Task("t3", [""], doc="t3 doc string", task_dep=["t1"])
]
tasks_sample[2].task_dep = ['g1.a', 'g1.b']
return tasks_sample
# mokey patch multiprocessing to enable code coverage
# NOTE: doesnt work with pytest-xdist (actually execnet)
def coverage_multiprocessing_process(): # pragma: no cover
try:
import coverage as _coverage
_coverage
except:
return
from coverage.collector import Collector
from coverage.control import coverage
# detect if coverage was running in forked process
if Collector._collectors:
original = multiprocessing.Process._bootstrap
class Process_WithCoverage(multiprocessing.Process):
def _bootstrap(self):
cov = coverage(data_suffix=True)
cov.start()
try:
return original(self)
finally:
cov.stop()
cov.save()
return Process_WithCoverage
ProcessCoverage = coverage_multiprocessing_process()
if ProcessCoverage:
multiprocessing.Process = ProcessCoverage
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