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test_http_client.py
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import socket import sys import unittest from supervisor.compat import as_bytes from supervisor.compat import StringIO class ListenerTests(unittest.TestCase): def _getTargetClass(self): from supervisor.http_client import Listener return Listener def _makeOne(self): return self._getTargetClass()() def test_status(self): inst = self._makeOne() self.assertEqual(inst.status(None, None), None) def test_error(self): inst = self._makeOne() try: old_stderr = sys.stderr stderr = StringIO() sys.stderr = stderr self.assertEqual(inst.error('url', 'error'), None) self.assertEqual(stderr.getvalue(), 'url error\n') finally: sys.stderr = old_stderr def test_response_header(self): inst = self._makeOne() self.assertEqual(inst.response_header(None, None, None), None) def test_done(self): inst = self._makeOne() self.assertEqual(inst.done(None), None) def test_feed(self): inst = self._makeOne() try: old_stdout = sys.stdout stdout = StringIO() sys.stdout = stdout inst.feed('url', 'data') self.assertEqual(stdout.getvalue(), 'data') finally: sys.stdout = old_stdout def test_close(self): inst = self._makeOne() self.assertEqual(inst.close(None), None) class HTTPHandlerTests(unittest.TestCase): def _getTargetClass(self): from supervisor.http_client import HTTPHandler return HTTPHandler def _makeOne(self, listener=None, username='', password=None): if listener is None: listener = self._makeListener() socket_map = {} return self._getTargetClass()( listener, username, password, map=socket_map, ) def _makeListener(self): listener = DummyListener() return listener def test_get_url_not_None(self): inst = self._makeOne() inst.url = 'abc' self.assertRaises(AssertionError, inst.get, 'abc') def test_get_bad_scheme(self): inst = self._makeOne() self.assertRaises( NotImplementedError, inst.get, 'nothttp://localhost', '/abc' ) def test_get_implied_port_80(self): inst = self._makeOne() sockets = [] connects = [] inst.create_socket = lambda *arg: sockets.append(arg) inst.connect = lambda tup: connects.append(tup) inst.get('http://localhost', '/abc/def') self.assertEqual(inst.port, 80) self.assertEqual(sockets, [(socket.AF_INET, socket.SOCK_STREAM)]) self.assertEqual(connects, [('localhost', 80)]) def test_get_explicit_port(self): inst = self._makeOne() sockets = [] connects = [] inst.create_socket = lambda *arg: sockets.append(arg) inst.connect = lambda tup: connects.append(tup) inst.get('http://localhost:8080', '/abc/def') self.assertEqual(inst.port, 8080) self.assertEqual(sockets, [(socket.AF_INET, socket.SOCK_STREAM)]) self.assertEqual(connects, [('localhost', 8080)]) def test_get_explicit_unix_domain_socket(self): inst = self._makeOne() sockets = [] connects = [] inst.create_socket = lambda *arg: sockets.append(arg) inst.connect = lambda tup: connects.append(tup) inst.get('unix:///a/b/c', '') self.assertEqual(sockets, [(socket.AF_UNIX, socket.SOCK_STREAM)]) self.assertEqual(connects, ['/a/b/c']) def test_close(self): inst = self._makeOne() dels = [] inst.del_channel = lambda: dels.append(True) inst.socket = DummySocket() inst.close() self.assertEqual(inst.listener.closed, None) self.assertEqual(inst.connected, 0) self.assertEqual(dels, [True]) self.assertTrue(inst.socket.closed) self.assertEqual(inst.url, 'CLOSED') def test_header(self): from supervisor.http_client import CRLF inst = self._makeOne() pushes = [] inst.push = lambda val: pushes.append(val) inst.header('name', 'val') self.assertEqual(pushes, ['name: val', CRLF]) def test_handle_error_already_handled(self): inst = self._makeOne() inst.error_handled = True self.assertEqual(inst.handle_error(), None) def test_handle_error(self): inst = self._makeOne() closed = [] inst.close = lambda: closed.append(True) inst.url = 'foo' self.assertEqual(inst.handle_error(), None) self.assertEqual(inst.listener.error_url, 'foo') self.assertEqual( inst.listener.error_msg, 'Cannot connect, error: None (None)', ) self.assertEqual(closed, [True]) self.assertTrue(inst.error_handled) def test_handle_connect_no_password(self): inst = self._makeOne() pushed = [] inst.push = lambda val: pushed.append(as_bytes(val)) inst.path = '/' inst.host = 'localhost' inst.handle_connect() self.assertTrue(inst.connected) self.assertEqual( pushed, [b'GET / HTTP/1.1', b'\r\n', b'Host: localhost', b'\r\n', b'Accept-Encoding: chunked', b'\r\n', b'Accept: */*', b'\r\n', b'User-agent: Supervisor HTTP Client', b'\r\n', b'\r\n', b'\r\n'] ) def test_handle_connect_with_password(self): inst = self._makeOne() pushed = [] inst.push = lambda val: pushed.append(as_bytes(val)) inst.path = '/' inst.host = 'localhost' inst.password = 'password' inst.username = 'username' inst.handle_connect() self.assertTrue(inst.connected) self.assertEqual( pushed, [b'GET / HTTP/1.1', b'\r\n', b'Host: localhost', b'\r\n', b'Accept-Encoding: chunked', b'\r\n', b'Accept: */*', b'\r\n', b'User-agent: Supervisor HTTP Client', b'\r\n', b'Authorization: Basic dXNlcm5hbWU6cGFzc3dvcmQ=', b'\r\n', b'\r\n', b'\r\n'], ) def test_feed(self): inst = self._makeOne() inst.feed('data') self.assertEqual(inst.listener.fed_data, ['data']) def test_collect_incoming_data_part_is_body(self): inst = self._makeOne() inst.part = inst.body inst.buffer = 'abc' inst.collect_incoming_data('foo') self.assertEqual(inst.listener.fed_data, ['abcfoo']) self.assertEqual(inst.buffer, b'') def test_collect_incoming_data_part_is_not_body(self): inst = self._makeOne() inst.part = None inst.buffer = 'abc' inst.collect_incoming_data('foo') self.assertEqual(inst.listener.fed_data, []) self.assertEqual(inst.buffer, 'abcfoo') def test_found_terminator(self): inst = self._makeOne() parted = [] inst.part = lambda: parted.append(True) inst.buffer = None inst.found_terminator() self.assertEqual(parted, [True]) self.assertEqual(inst.buffer, b'') def test_ignore(self): inst = self._makeOne() inst.buffer = None inst.ignore() self.assertEqual(inst.buffer, b'') def test_status_line_not_startswith_http(self): inst = self._makeOne() inst.buffer = b'NOTHTTP/1.0 200 OK' self.assertRaises(ValueError, inst.status_line) def test_status_line_200(self): inst = self._makeOne() inst.buffer = b'HTTP/1.0 200 OK' version, status, reason = inst.status_line() self.assertEqual(version, b'HTTP/1.0') self.assertEqual(status, 200) self.assertEqual(reason, b'OK') self.assertEqual(inst.part, inst.headers) def test_status_line_not_200(self): inst = self._makeOne() inst.buffer = b'HTTP/1.0 201 OK' closed = [] inst.close = lambda: closed.append(True) version, status, reason = inst.status_line() self.assertEqual(version, b'HTTP/1.0') self.assertEqual(status, 201) self.assertEqual(reason, b'OK') self.assertEqual(inst.part, inst.ignore) self.assertEqual( inst.listener.error_msg, 'Cannot read, status code 201' ) self.assertEqual(closed, [True]) def test_headers_empty_line_nonchunked(self): inst = self._makeOne() inst.buffer = b'' inst.encoding = b'not chunked' inst.length = 3 terms = [] inst.set_terminator = lambda L: terms.append(L) inst.headers() self.assertEqual(inst.part, inst.body) self.assertEqual(terms, [3]) def test_headers_empty_line_chunked(self): inst = self._makeOne() inst.buffer = b'' inst.encoding = b'chunked' inst.headers() self.assertEqual(inst.part, inst.chunked_size) def test_headers_nonempty_line_no_name_no_value(self): inst = self._makeOne() inst.buffer = b':' self.assertEqual(inst.headers(), None) def test_headers_nonempty_line_transfer_encoding(self): inst = self._makeOne() inst.buffer = b'Transfer-Encoding: chunked' responses = [] inst.response_header = lambda n, v: responses.append((n, v)) inst.headers() self.assertEqual(inst.encoding, b'chunked') self.assertEqual(responses, [(b'transfer-encoding', b'chunked')]) def test_headers_nonempty_line_content_length(self): inst = self._makeOne() inst.buffer = b'Content-Length: 3' responses = [] inst.response_header = lambda n, v: responses.append((n, v)) inst.headers() self.assertEqual(inst.length, 3) self.assertEqual(responses, [(b'content-length', b'3')]) def test_headers_nonempty_line_arbitrary(self): inst = self._makeOne() inst.buffer = b'X-Test: abc' responses = [] inst.response_header = lambda n, v: responses.append((n, v)) inst.headers() self.assertEqual(responses, [(b'x-test', b'abc')]) def test_response_header(self): inst = self._makeOne() inst.response_header(b'a', b'b') self.assertEqual(inst.listener.response_header_name, b'a') self.assertEqual(inst.listener.response_header_value, b'b') def test_body(self): inst = self._makeOne() closed = [] inst.close = lambda: closed.append(True) inst.body() self.assertEqual(closed, [True]) self.assertTrue(inst.listener.done) def test_done(self): inst = self._makeOne() inst.done() self.assertTrue(inst.listener.done) def test_chunked_size_empty_line(self): inst = self._makeOne() inst.buffer = b'' inst.length = 1 self.assertEqual(inst.chunked_size(), None) self.assertEqual(inst.length, 1) def test_chunked_size_zero_size(self): inst = self._makeOne() inst.buffer = b'0' inst.length = 1 self.assertEqual(inst.chunked_size(), None) self.assertEqual(inst.length, 1) self.assertEqual(inst.part, inst.trailer) def test_chunked_size_nonzero_size(self): inst = self._makeOne() inst.buffer = b'10' inst.length = 1 terms = [] inst.set_terminator = lambda sz: terms.append(sz) self.assertEqual(inst.chunked_size(), None) self.assertEqual(inst.part, inst.chunked_body) self.assertEqual(inst.length, 17) self.assertEqual(terms, [16]) def test_chunked_body(self): from supervisor.http_client import CRLF inst = self._makeOne() inst.buffer = b'buffer' terms = [] lines = [] inst.set_terminator = lambda v: terms.append(v) inst.feed = lambda v: lines.append(v) inst.chunked_body() self.assertEqual(terms, [CRLF]) self.assertEqual(lines, [b'buffer']) self.assertEqual(inst.part, inst.chunked_size) def test_trailer_line_not_crlf(self): inst = self._makeOne() inst.buffer = b'' self.assertEqual(inst.trailer(), None) def test_trailer_line_crlf(self): from supervisor.http_client import CRLF inst = self._makeOne() inst.buffer = CRLF dones = [] closes = [] inst.done = lambda: dones.append(True) inst.close = lambda: closes.append(True) self.assertEqual(inst.trailer(), None) self.assertEqual(dones, [True]) self.assertEqual(closes, [True]) class DummyListener(object): closed = None error_url = None error_msg = None done = False def __init__(self): self.fed_data = [] def close(self, url): self.closed = url def error(self, url, msg): self.error_url = url self.error_msg = msg def feed(self, url, data): self.fed_data.append(data) def status(self, url, int): self.status_url = url self.status_int = int def response_header(self, url, name, value): self.response_header_name = name self.response_header_value = value def done(self, url): self.done = True class DummySocket(object): closed = False def close(self): self.closed = True