Source

pypy / rpython / conftest.py

The branch 'distutils-cppldflags' does not exist.
from os.path import *
import py, pytest
from rpython.tool import leakfinder

pytest_plugins = 'rpython.tool.pytest.expecttest'

cdir = realpath(join(dirname(__file__), 'translator', 'c'))
cache_dir = realpath(join(dirname(__file__), '_cache'))
option = None

def braindead_deindent(self):
    """monkeypatch that wont end up doing stupid in the python tokenizer"""
    text = '\n'.join(self.lines)
    short = py.std.textwrap.dedent(text)
    newsource = py.code.Source()
    newsource.lines[:] = short.splitlines()
    return newsource

py.code.Source.deindent = braindead_deindent

def pytest_report_header():
    return "pytest-%s from %s" %(pytest.__version__, pytest.__file__)

def pytest_configure(config):
    global option
    option = config.option

def _set_platform(opt, opt_str, value, parser):
    from rpython.config.translationoption import PLATFORMS
    from rpython.translator.platform import set_platform
    if value not in PLATFORMS:
        raise ValueError("%s not in %s" % (value, PLATFORMS))
    set_platform(value, None)

def pytest_addoption(parser):
    group = parser.getgroup("rpython options")
    group.addoption('--view', action="store_true", dest="view", default=False,
           help="view translation tests' flow graphs with Pygame")
    group.addoption('-P', '--platform', action="callback", type="string",
           default="host", callback=_set_platform,
           help="set up tests to use specified platform as compile/run target")
    group = parser.getgroup("JIT options")
    group.addoption('--viewloops', action="store_true",
           default=False, dest="viewloops",
           help="show only the compiled loops")


def pytest_pycollect_makeitem(__multicall__,collector, name, obj):
    res = __multicall__.execute()
    # work around pytest issue 251
    import inspect
    if res is None and inspect.isclass(obj) and \
            collector.classnamefilter(name):
        return py.test.collect.Class(name, parent=collector)
    return res


def pytest_addhooks(pluginmanager):
    pluginmanager.register(LeakFinder())

class LeakFinder:
    """Track memory allocations during test execution.
    
    So far, only used by the function lltype.malloc(flavor='raw').
    """
    def pytest_runtest_setup(self, __multicall__, item):
        __multicall__.execute()
        if not isinstance(item, py.test.collect.Function):
            return
        if not getattr(item.obj, 'dont_track_allocations', False):
            leakfinder.start_tracking_allocations()

    def pytest_runtest_call(self, __multicall__, item):
        __multicall__.execute()
        if not isinstance(item, py.test.collect.Function):
            return
        item._success = True

    def pytest_runtest_teardown(self, __multicall__, item):
        __multicall__.execute()
        if not isinstance(item, py.test.collect.Function):
            return
        if (not getattr(item.obj, 'dont_track_allocations', False)
            and leakfinder.TRACK_ALLOCATIONS):
            item._pypytest_leaks = leakfinder.stop_tracking_allocations(False)
        else:            # stop_tracking_allocations() already called
            item._pypytest_leaks = None

        # check for leaks, but only if the test passed so far
        if getattr(item, '_success', False) and item._pypytest_leaks:
            raise leakfinder.MallocMismatch(item._pypytest_leaks)
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