mirror of
https://github.com/openSUSE/osc.git
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300 lines
10 KiB
Python
300 lines
10 KiB
Python
import io
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import os
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import shutil
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import sys
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import tempfile
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import unittest
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from unittest.mock import patch
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from urllib.request import HTTPHandler, addinfourl, build_opener
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from urllib.parse import urlparse, parse_qs
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from xml.etree import ElementTree as ET
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import urllib3.response
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import osc.conf
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import osc.core
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def urlcompare(url, *args):
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"""compare all components of url except query string - it is converted to
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dict, therefor different ordering does not makes url's different, as well
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as quoting of a query string"""
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components = urlparse(url)
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query_args = parse_qs(components.query)
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components = components._replace(query=None)
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if not args:
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return False
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for url in args:
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components2 = urlparse(url)
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query_args2 = parse_qs(components2.query)
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components2 = components2._replace(query=None)
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if components != components2 or \
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query_args != query_args2:
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return False
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return True
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def xml_equal(actual, exp):
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try:
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actual_xml = ET.fromstring(actual)
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exp_xml = ET.fromstring(exp)
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except ET.ParseError:
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return False
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todo = [(actual_xml, exp_xml)]
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while todo:
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actual_xml, exp_xml = todo.pop(0)
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if actual_xml.tag != exp_xml.tag:
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return False
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if actual_xml.attrib != exp_xml.attrib:
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return False
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if actual_xml.text != exp_xml.text:
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return False
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if actual_xml.tail != exp_xml.tail:
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return False
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if len(actual_xml) != len(exp_xml):
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return False
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todo.extend(list(zip(actual_xml, exp_xml)))
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return True
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class RequestWrongOrder(Exception):
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"""raised if an unexpected request is issued to urllib2"""
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def __init__(self, url, exp_url, method, exp_method):
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super().__init__()
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self.url = url
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self.exp_url = exp_url
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self.method = method
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self.exp_method = exp_method
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def __str__(self):
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return '%s, %s, %s, %s' % (self.url, self.exp_url, self.method, self.exp_method)
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class RequestDataMismatch(Exception):
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"""raised if POSTed or PUTed data doesn't match with the expected data"""
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def __init__(self, url, got, exp):
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self.url = url
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self.got = got
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self.exp = exp
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def __str__(self):
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return '%s, %s, %s' % (self.url, self.got, self.exp)
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EXPECTED_REQUESTS = []
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# HACK: Fix "ValueError: I/O operation on closed file." error in tests on openSUSE Leap 15.2.
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# The problem seems to appear only in the tests, possibly some interaction with MockHTTPConnectionPool.
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# Porting 753fbc03 to urllib3 in openSUSE Leap 15.2 would fix the problem.
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urllib3.response.HTTPResponse.__iter__ = lambda self: iter(self._fp)
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class MockHTTPConnectionPool:
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def __init__(self, host, port=None, **conn_kw):
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pass
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def urlopen(self, method, url, body=None, headers=None, retries=None, **response_kw):
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global EXPECTED_REQUESTS
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request = EXPECTED_REQUESTS.pop(0)
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url = f"http://localhost{url}"
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if not urlcompare(request["url"], url) or request["method"] != method:
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raise RequestWrongOrder(request["url"], url, request["method"], method)
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if method in ("POST", "PUT"):
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if 'exp' not in request and 'expfile' in request:
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with open(request['expfile'], 'rb') as f:
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exp = f.read()
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elif 'exp' in request and 'expfile' not in request:
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exp = request['exp'].encode('utf-8')
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else:
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raise RuntimeError('Specify either `exp` or `expfile`')
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body = body or b""
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if hasattr(body, "read"):
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# if it is a file-like object, read it
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body = body.read()
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if hasattr(body, "encode"):
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# if it can be encoded to bytes, do it
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body = body.encode("utf-8")
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if body != exp:
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# We do not have a notion to explicitly mark xml content. In case
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# of xml, we do not care about the exact xml representation (for
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# now). Hence, if both, data and exp, are xml and are "equal",
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# everything is fine (for now); otherwise, error out
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# (of course, this is problematic if we want to ensure that XML
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# documents are bit identical...)
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if not xml_equal(body, exp):
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raise RequestDataMismatch(url, repr(body), repr(exp))
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if 'exception' in request:
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raise request["exception"]
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if 'text' not in request and 'file' in request:
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with open(request['file'], 'rb') as f:
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data = f.read()
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elif 'text' in request and 'file' not in request:
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data = request['text'].encode('utf-8')
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else:
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raise RuntimeError('Specify either `text` or `file`')
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response = urllib3.response.HTTPResponse(body=data, status=request.get("code", 200))
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response._fp = io.BytesIO(data)
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return response
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def urldecorator(method, url, **kwargs):
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def decorate(test_method):
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def wrapped_test_method(self):
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# put all args into a single dictionary
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kwargs["method"] = method
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kwargs["url"] = url
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# prepend fixtures dir to `file`
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if "file" in kwargs:
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kwargs["file"] = os.path.join(self._get_fixtures_dir(), kwargs["file"])
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# prepend fixtures dir to `expfile`
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if "expfile" in kwargs:
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kwargs["expfile"] = os.path.join(self._get_fixtures_dir(), kwargs["expfile"])
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EXPECTED_REQUESTS.append(kwargs)
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test_method(self)
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# mock connection pool, but only just once
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if not hasattr(test_method, "_MockHTTPConnectionPool"):
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wrapped_test_method = patch('urllib3.HTTPConnectionPool', MockHTTPConnectionPool)(wrapped_test_method)
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wrapped_test_method._MockHTTPConnectionPool = True
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wrapped_test_method.__name__ = test_method.__name__
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return wrapped_test_method
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return decorate
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def GET(path, **kwargs):
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return urldecorator('GET', path, **kwargs)
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def PUT(path, **kwargs):
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return urldecorator('PUT', path, **kwargs)
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def POST(path, **kwargs):
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return urldecorator('POST', path, **kwargs)
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def DELETE(path, **kwargs):
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return urldecorator('DELETE', path, **kwargs)
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class OscTestCase(unittest.TestCase):
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def setUp(self, copytree=True):
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global EXPECTED_REQUESTS
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EXPECTED_REQUESTS = []
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os.chdir(os.path.dirname(__file__))
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oscrc = os.path.join(self._get_fixtures_dir(), 'oscrc')
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osc.conf.get_config(override_conffile=oscrc, override_no_keyring=True)
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os.environ['OSC_CONFIG'] = oscrc
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self.tmpdir = tempfile.mkdtemp(prefix='osc_test')
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if copytree:
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shutil.copytree(os.path.join(self._get_fixtures_dir(), 'osctest'), os.path.join(self.tmpdir, 'osctest'))
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self.stdout = sys.stdout
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sys.stdout = io.StringIO()
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def tearDown(self):
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sys.stdout = self.stdout
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try:
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shutil.rmtree(self.tmpdir)
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except:
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pass
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self.assertTrue(len(EXPECTED_REQUESTS) == 0)
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def _get_fixtures_dir(self):
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raise NotImplementedError('subclasses should implement this method')
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def _get_fixture(self, filename):
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path = os.path.join(self._get_fixtures_dir(), filename)
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with open(path) as f:
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return f.read()
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def _change_to_pkg(self, name):
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os.chdir(os.path.join(self.tmpdir, 'osctest', name))
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def _check_list(self, fname, exp):
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fname = os.path.join('.osc', fname)
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self.assertFileContentEqual(fname, exp)
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def _check_addlist(self, exp):
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self._check_list('_to_be_added', exp)
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def _check_deletelist(self, exp):
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self._check_list('_to_be_deleted', exp)
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def _check_conflictlist(self, exp):
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self._check_list('_in_conflict', exp)
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def _check_status(self, p, fname, exp):
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self.assertEqual(p.status(fname), exp)
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def _check_digests(self, fname, *skipfiles):
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fname = os.path.join(self._get_fixtures_dir(), fname)
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with open(os.path.join('.osc', '_files')) as f:
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files_act = f.read()
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with open(fname) as f:
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files_exp = f.read()
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self.assertXMLEqual(files_act, files_exp)
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root = ET.fromstring(files_act)
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for i in root.findall('entry'):
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if i.get('name') in skipfiles:
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continue
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self.assertTrue(os.path.exists(os.path.join('.osc', i.get('name'))))
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self.assertEqual(osc.core.dgst(os.path.join('.osc', i.get('name'))), i.get('md5'))
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def assertFilesEqual(self, first, second):
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self.assertTrue(os.path.exists(first))
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self.assertTrue(os.path.exists(second))
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with open(first) as f1, open(second) as f2:
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self.assertEqual(f1.read(), f2.read())
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def assertFileContentEqual(self, file_path, expected_content):
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self.assertTrue(os.path.exists(file_path))
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with open(file_path) as f:
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self.assertEqual(f.read(), expected_content)
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def assertFileContentNotEqual(self, file_path, expected_content):
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self.assertTrue(os.path.exists(file_path))
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with open(file_path) as f:
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self.assertNotEqual(f.read(), expected_content)
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def assertXMLEqual(self, act, exp):
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if xml_equal(act, exp):
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return
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# ok, xmls are different, hence, assertEqual is expected to fail
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# (we just use it in order to get a "nice" error message)
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self.assertEqual(act, exp)
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# not reached (unless assertEqual is overridden in an incompatible way)
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raise RuntimeError('assertEqual assumptions violated')
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def assertEqualMultiline(self, got, exp):
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if (got + exp).find('\n') == -1:
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self.assertEqual(got, exp)
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else:
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start_delim = "\n" + (" 8< ".join(["-----"] * 8)) + "\n"
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end_delim = "\n" + (" >8 ".join(["-----"] * 8)) + "\n\n"
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self.assertEqual(got, exp,
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"got:" + start_delim + got + end_delim +
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"expected:" + start_delim + exp + end_delim)
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