from io import BytesIO import tempfile import os import time import shutil from contextlib import contextmanager import six import sys from netlib import utils, tcp, http def treader(bytes): """ Construct a tcp.Read object from bytes. """ fp = BytesIO(bytes) return tcp.Reader(fp) @contextmanager def tmpdir(*args, **kwargs): orig_workdir = os.getcwd() temp_workdir = tempfile.mkdtemp(*args, **kwargs) os.chdir(temp_workdir) yield temp_workdir os.chdir(orig_workdir) shutil.rmtree(temp_workdir) def _check_exception(expected, actual, exc_tb): if isinstance(expected, six.string_types): if expected.lower() not in str(actual).lower(): six.reraise(AssertionError, AssertionError( "Expected %s, but caught %s" % ( repr(expected), repr(actual) ) ), exc_tb) else: if not isinstance(actual, expected): six.reraise(AssertionError, AssertionError( "Expected %s, but caught %s %s" % ( expected.__name__, actual.__class__.__name__, repr(actual) ) ), exc_tb) def raises(expected_exception, obj=None, *args, **kwargs): """ Assert that a callable raises a specified exception. :exc An exception class or a string. If a class, assert that an exception of this type is raised. If a string, assert that the string occurs in the string representation of the exception, based on a case-insenstivie match. :obj A callable object. :args Arguments to be passsed to the callable. :kwargs Arguments to be passed to the callable. """ if obj is None: return RaisesContext(expected_exception) else: try: ret = obj(*args, **kwargs) except Exception as actual: _check_exception(expected_exception, actual, sys.exc_info()[2]) else: raise AssertionError("No exception raised. Return value: {}".format(ret)) class RaisesContext(object): def __init__(self, expected_exception): self.expected_exception = expected_exception def __enter__(self): return def __exit__(self, exc_type, exc_val, exc_tb): if not exc_type: raise AssertionError("No exception raised.") else: _check_exception(self.expected_exception, exc_val, exc_tb) return True test_data = utils.Data(__name__) # FIXME: Temporary workaround during repo merge. test_data.dirname = os.path.join(test_data.dirname, "..", "test", "netlib") def treq(**kwargs): """ Returns: netlib.http.Request """ default = dict( first_line_format="relative", method=b"GET", scheme=b"http", host=b"address", port=22, path=b"/path", http_version=b"HTTP/1.1", headers=http.Headers(((b"header", b"qvalue"), (b"content-length", b"7"))), content=b"content" ) default.update(kwargs) return http.Request(**default) def tresp(**kwargs): """ Returns: netlib.http.Response """ default = dict( http_version=b"HTTP/1.1", status_code=200, reason=b"OK", headers=http.Headers(((b"header-response", b"svalue"), (b"content-length", b"7"))), content=b"message", timestamp_start=time.time(), timestamp_end=time.time(), ) default.update(kwargs) return http.Response(**default) f='#n15'>15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131