111 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			111 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Python
		
	
	
	
import pytest
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import sys
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pytest_plugins = "pytester",
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import os, py
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pid = os.getpid()
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def pytest_addoption(parser):
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    parser.addoption('--lsof',
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           action="store_true", dest="lsof", default=False,
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           help=("run FD checks if lsof is available"))
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def pytest_configure(config):
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    config.addinivalue_line("markers",
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        "multi(arg=[value1,value2, ...]): call the test function "
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        "multiple times with arg=value1, then with arg=value2, ... "
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    )
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    if config.getvalue("lsof"):
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        try:
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            out = py.process.cmdexec("lsof -p %d" % pid)
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        except py.process.cmdexec.Error:
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            pass
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        else:
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            config._numfiles = len(getopenfiles(out))
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#def pytest_report_header():
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#    return "pid: %s" % os.getpid()
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def getopenfiles(out):
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    def isopen(line):
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        return ("REG" in line or "CHR" in line) and (
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            "deleted" not in line and 'mem' not in line and "txt" not in line)
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    return [x for x in out.split("\n") if isopen(x)]
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def check_open_files(config):
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    out2 = py.process.cmdexec("lsof -p %d" % pid)
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    lines2 = getopenfiles(out2)
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    if len(lines2) > config._numfiles + 1:
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        error = []
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        error.append("***** %s FD leackage detected" %
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    (len(lines2)-config._numfiles))
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        error.extend(lines2)
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        error.append(error[0])
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        # update numfile so that the overall test run continuess
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        config._numfiles = len(lines2)
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        raise AssertionError("\n".join(error))
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@pytest.mark.tryfirst # XXX rather do item.addfinalizer
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def pytest_runtest_setup(item):
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    item._oldir = py.path.local()
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def pytest_runtest_teardown(item, __multicall__):
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    item._oldir.chdir()
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    if hasattr(item.config, '_numfiles'):
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        x = __multicall__.execute()
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        check_open_files(item.config)
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        return x
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def pytest_generate_tests(metafunc):
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    multi = getattr(metafunc.function, 'multi', None)
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    if multi is not None:
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        assert len(multi.kwargs) == 1
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        for name, l in multi.kwargs.items():
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            for val in l:
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                metafunc.addcall(funcargs={name: val})
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    elif 'anypython' in metafunc.fixturenames:
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        for name in ('python2.4', 'python2.5', 'python2.6',
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                     'python2.7', 'python3.1', 'pypy', 'jython'):
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            metafunc.addcall(id=name, param=name)
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# XXX copied from execnet's conftest.py - needs to be merged
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winpymap = {
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    'python2.7': r'C:\Python27\python.exe',
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    'python2.6': r'C:\Python26\python.exe',
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    'python2.5': r'C:\Python25\python.exe',
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    'python2.4': r'C:\Python24\python.exe',
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    'python3.1': r'C:\Python31\python.exe',
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}
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def getexecutable(name, cache={}):
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    try:
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        return cache[name]
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    except KeyError:
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        executable = py.path.local.sysfind(name)
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        if executable:
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            if name == "jython":
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                import subprocess
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                popen = subprocess.Popen([str(executable), "--version"],
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                    universal_newlines=True, stderr=subprocess.PIPE)
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                out, err = popen.communicate()
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                if not err or "2.5" not in err:
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                    executable = None
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                if "2.5.2" in err:
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                    executable = None # http://bugs.jython.org/issue1790
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        cache[name] = executable
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        return executable
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def pytest_funcarg__anypython(request):
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    name = request.param
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    executable = getexecutable(name)
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    if executable is None:
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        if sys.platform == "win32":
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            executable = winpymap.get(name, None)
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            if executable:
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                executable = py.path.local(executable)
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                if executable.check():
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                    return executable
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        pytest.skip("no suitable %s found" % (name,))
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    return executable
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