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@@ -1,422 +1,427 b'' | |||
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1 | 1 | """Test suite for our zeromq-based messaging specification. |
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2 | 2 | """ |
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3 | 3 | #----------------------------------------------------------------------------- |
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4 | 4 | # Copyright (C) 2010-2011 The IPython Development Team |
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5 | 5 | # |
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6 | 6 | # Distributed under the terms of the BSD License. The full license is in |
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7 | 7 | # the file COPYING.txt, distributed as part of this software. |
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8 | 8 | #----------------------------------------------------------------------------- |
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9 | 9 | |
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10 | 10 | import re |
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11 | 11 | import sys |
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12 | 12 | import time |
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13 | 13 | from subprocess import PIPE |
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14 | 14 | from Queue import Empty |
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15 | 15 | |
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16 | 16 | import nose.tools as nt |
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17 | 17 | |
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18 | 18 | from ..blockingkernelmanager import BlockingKernelManager |
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19 | 19 | |
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20 | 20 | |
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21 | 21 | from IPython.testing import decorators as dec |
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22 | 22 | from IPython.utils import io |
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23 | 23 | from IPython.utils.traitlets import ( |
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24 | 24 | HasTraits, TraitError, Bool, Unicode, Dict, Integer, List, Enum, |
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25 | 25 | ) |
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26 | 26 | |
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27 | 27 | #----------------------------------------------------------------------------- |
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28 | 28 | # Global setup and utilities |
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29 | 29 | #----------------------------------------------------------------------------- |
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30 | 30 | |
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31 | 31 | def setup(): |
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32 | 32 | global KM |
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33 | 33 | KM = BlockingKernelManager() |
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34 | 34 | |
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35 | 35 | KM.start_kernel(stdout=PIPE, stderr=PIPE) |
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36 | 36 | KM.start_channels() |
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37 | 37 | |
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38 | 38 | |
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39 | 39 | def teardown(): |
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40 | 40 | KM.stop_channels() |
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41 | 41 | KM.shutdown_kernel() |
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42 | 42 | |
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43 | 43 | |
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44 | 44 | def flush_channels(): |
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45 | 45 | """flush any messages waiting on the queue""" |
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46 | 46 | for channel in (KM.shell_channel, KM.sub_channel): |
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47 | 47 | while True: |
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48 | 48 | try: |
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49 | 49 | msg = channel.get_msg(block=True, timeout=0.1) |
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50 | 50 | except Empty: |
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51 | 51 | break |
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52 | 52 | else: |
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53 | 53 | validate_message(msg) |
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54 | 54 | |
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55 | 55 | |
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56 | 56 | def execute(code='', **kwargs): |
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57 | 57 | """wrapper for doing common steps for validating an execution request""" |
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58 | 58 | shell = KM.shell_channel |
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59 | 59 | sub = KM.sub_channel |
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60 | 60 | |
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61 | 61 | msg_id = shell.execute(code=code, **kwargs) |
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62 | 62 | reply = shell.get_msg(timeout=2) |
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63 | 63 | validate_message(reply, 'execute_reply', msg_id) |
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64 | 64 | busy = sub.get_msg(timeout=2) |
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65 | 65 | validate_message(busy, 'status', msg_id) |
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66 | 66 | nt.assert_equals(busy['content']['execution_state'], 'busy') |
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67 | 67 | |
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68 | 68 | if not kwargs.get('silent'): |
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69 | 69 | pyin = sub.get_msg(timeout=2) |
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70 | 70 | validate_message(pyin, 'pyin', msg_id) |
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71 | 71 | nt.assert_equals(pyin['content']['code'], code) |
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72 | 72 | |
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73 | 73 | return msg_id, reply['content'] |
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74 | 74 | |
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75 | 75 | #----------------------------------------------------------------------------- |
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76 | 76 | # MSG Spec References |
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77 | 77 | #----------------------------------------------------------------------------- |
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78 | 78 | |
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79 | 79 | |
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80 | 80 | class Reference(HasTraits): |
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81 | 81 | |
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82 | 82 | def check(self, d): |
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83 | 83 | """validate a dict against our traits""" |
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84 | 84 | for key in self.trait_names(): |
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85 | 85 | yield nt.assert_true(key in d, "Missing key: %r, should be found in %s" % (key, d)) |
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86 | 86 | # FIXME: always allow None, probably not a good idea |
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87 | 87 | if d[key] is None: |
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88 | 88 | continue |
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89 | 89 | try: |
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90 | 90 | setattr(self, key, d[key]) |
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91 | 91 | except TraitError as e: |
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92 | 92 | yield nt.assert_true(False, str(e)) |
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93 | 93 | |
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94 | 94 | |
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95 | 95 | class RMessage(Reference): |
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96 | 96 | msg_id = Unicode() |
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97 | 97 | msg_type = Unicode() |
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98 | 98 | header = Dict() |
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99 | 99 | parent_header = Dict() |
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100 | 100 | content = Dict() |
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101 | 101 | |
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102 | 102 | class RHeader(Reference): |
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103 | 103 | msg_id = Unicode() |
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104 | 104 | msg_type = Unicode() |
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105 | 105 | session = Unicode() |
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106 | 106 | username = Unicode() |
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107 | 107 | |
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108 | 108 | class RContent(Reference): |
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109 | 109 | status = Enum((u'ok', u'error')) |
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110 | 110 | |
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111 | 111 | |
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112 | 112 | class ExecuteReply(Reference): |
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113 | 113 | execution_count = Integer() |
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114 | 114 | status = Enum((u'ok', u'error')) |
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115 | 115 | |
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116 | 116 | def check(self, d): |
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117 | 117 | for tst in Reference.check(self, d): |
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118 | 118 | yield tst |
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119 | 119 | if d['status'] == 'ok': |
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120 | 120 | for tst in ExecuteReplyOkay().check(d): |
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121 | 121 | yield tst |
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122 | 122 | elif d['status'] == 'error': |
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123 | 123 | for tst in ExecuteReplyError().check(d): |
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124 | 124 | yield tst |
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125 | 125 | |
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126 | 126 | |
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127 | 127 | class ExecuteReplyOkay(Reference): |
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128 | 128 | payload = List(Dict) |
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129 | 129 | user_variables = Dict() |
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130 | 130 | user_expressions = Dict() |
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131 | 131 | |
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132 | 132 | |
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133 | 133 | class ExecuteReplyError(Reference): |
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134 | 134 | ename = Unicode() |
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135 | 135 | evalue = Unicode() |
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136 | 136 | traceback = List(Unicode) |
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137 | 137 | |
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138 | 138 | |
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139 | 139 | class OInfoReply(Reference): |
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140 | 140 | name = Unicode() |
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141 | 141 | found = Bool() |
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142 | 142 | ismagic = Bool() |
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143 | 143 | isalias = Bool() |
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144 | 144 | namespace = Enum((u'builtin', u'magics', u'alias', u'Interactive')) |
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145 | 145 | type_name = Unicode() |
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146 | 146 | string_form = Unicode() |
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147 | 147 | base_class = Unicode() |
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148 | 148 | length = Integer() |
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149 | 149 | file = Unicode() |
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150 | 150 | definition = Unicode() |
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151 | 151 | argspec = Dict() |
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152 | 152 | init_definition = Unicode() |
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153 | 153 | docstring = Unicode() |
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154 | 154 | init_docstring = Unicode() |
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155 | 155 | class_docstring = Unicode() |
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156 | 156 | call_def = Unicode() |
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157 | 157 | call_docstring = Unicode() |
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158 | 158 | source = Unicode() |
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159 | 159 | |
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160 | 160 | def check(self, d): |
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161 | 161 | for tst in Reference.check(self, d): |
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162 | 162 | yield tst |
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163 | 163 | if d['argspec'] is not None: |
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164 | 164 | for tst in ArgSpec().check(d['argspec']): |
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165 | 165 | yield tst |
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166 | 166 | |
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167 | 167 | |
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168 | 168 | class ArgSpec(Reference): |
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169 | 169 | args = List(Unicode) |
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170 | 170 | varargs = Unicode() |
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171 | 171 | varkw = Unicode() |
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172 | 172 | defaults = List() |
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173 | 173 | |
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174 | 174 | |
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175 | 175 | class Status(Reference): |
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176 | 176 | execution_state = Enum((u'busy', u'idle')) |
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177 | 177 | |
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178 | 178 | |
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179 | 179 | class CompleteReply(Reference): |
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180 | 180 | matches = List(Unicode) |
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181 | 181 | |
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182 | 182 | |
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183 | 183 | # IOPub messages |
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184 | 184 | |
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185 | 185 | class PyIn(Reference): |
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186 | 186 | code = Unicode() |
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187 | 187 | execution_count = Integer() |
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188 | 188 | |
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189 | 189 | |
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190 | 190 | PyErr = ExecuteReplyError |
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191 | 191 | |
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192 | 192 | |
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193 | 193 | class Stream(Reference): |
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194 | 194 | name = Enum((u'stdout', u'stderr')) |
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195 | 195 | data = Unicode() |
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196 | 196 | |
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197 | 197 | |
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198 | 198 | mime_pat = re.compile(r'\w+/\w+') |
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199 | 199 | |
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200 | 200 | class DisplayData(Reference): |
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201 | 201 | source = Unicode() |
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202 | 202 | metadata = Dict() |
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203 | 203 | data = Dict() |
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204 | 204 | def _data_changed(self, name, old, new): |
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205 | 205 | for k,v in new.iteritems(): |
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206 | 206 | nt.assert_true(mime_pat.match(k)) |
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207 | 207 | nt.assert_true(isinstance(v, basestring), "expected string data, got %r" % v) |
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208 | 208 | |
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209 | 209 | |
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210 | 210 | references = { |
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211 | 211 | 'execute_reply' : ExecuteReply(), |
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212 | 212 | 'object_info_reply' : OInfoReply(), |
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213 | 213 | 'status' : Status(), |
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214 | 214 | 'complete_reply' : CompleteReply(), |
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215 | 215 | 'pyin' : PyIn(), |
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216 | 216 | 'pyerr' : PyErr(), |
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217 | 217 | 'stream' : Stream(), |
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218 | 218 | 'display_data' : DisplayData(), |
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219 | 219 | } |
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220 | 220 | |
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221 | 221 | |
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222 | 222 | def validate_message(msg, msg_type=None, parent=None): |
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223 | 223 | """validate a message""" |
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224 | 224 | RMessage().check(msg) |
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225 | 225 | if msg_type: |
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226 | 226 | yield nt.assert_equals(msg['msg_type'], msg_type) |
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227 | 227 | if parent: |
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228 | 228 | yield nt.assert_equal(msg['parent_header']['msg_id'], parent) |
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229 | 229 | content = msg['content'] |
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230 | 230 | ref = references[msg['msg_type']] |
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231 | 231 | for tst in ref.check(content): |
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232 | 232 | yield tst |
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233 | 233 | |
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234 | 234 | |
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235 | 235 | #----------------------------------------------------------------------------- |
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236 | 236 | # Tests |
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237 | 237 | #----------------------------------------------------------------------------- |
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238 | 238 | |
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239 | 239 | # Shell channel |
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240 | 240 | |
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241 | 241 | @dec.parametric |
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242 | 242 | def test_execute(): |
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243 | 243 | flush_channels() |
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244 | 244 | |
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245 | 245 | shell = KM.shell_channel |
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246 | 246 | msg_id = shell.execute(code='x=1') |
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247 | 247 | reply = shell.get_msg(timeout=2) |
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248 | 248 | for tst in validate_message(reply, 'execute_reply', msg_id): |
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249 | 249 | yield tst |
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250 | 250 | |
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251 | 251 | |
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252 | 252 | @dec.parametric |
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253 | 253 | def test_execute_silent(): |
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254 | 254 | flush_channels() |
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255 | 255 | msg_id, reply = execute(code='x=1', silent=True) |
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256 | 256 | |
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257 | 257 | # flush status=idle |
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258 | 258 | status = KM.sub_channel.get_msg(timeout=2) |
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259 | 259 | for tst in validate_message(status, 'status', msg_id): |
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260 | 260 | yield tst |
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261 | 261 | nt.assert_equals(status['content']['execution_state'], 'idle') |
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262 | 262 | |
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263 | 263 | yield nt.assert_raises(Empty, KM.sub_channel.get_msg, timeout=0.1) |
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264 | 264 | count = reply['execution_count'] |
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265 | 265 | |
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266 | 266 | msg_id, reply = execute(code='x=2', silent=True) |
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267 | 267 | |
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268 | 268 | # flush status=idle |
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269 | 269 | status = KM.sub_channel.get_msg(timeout=2) |
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270 | 270 | for tst in validate_message(status, 'status', msg_id): |
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271 | 271 | yield tst |
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272 | 272 | yield nt.assert_equals(status['content']['execution_state'], 'idle') |
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273 | 273 | |
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274 | 274 | yield nt.assert_raises(Empty, KM.sub_channel.get_msg, timeout=0.1) |
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275 | 275 | count_2 = reply['execution_count'] |
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276 | 276 | yield nt.assert_equals(count_2, count) |
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277 | 277 | |
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278 | 278 | |
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279 | 279 | @dec.parametric |
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280 | 280 | def test_execute_error(): |
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281 | 281 | flush_channels() |
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282 | 282 | |
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283 | 283 | msg_id, reply = execute(code='1/0') |
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284 | 284 | yield nt.assert_equals(reply['status'], 'error') |
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285 | 285 | yield nt.assert_equals(reply['ename'], 'ZeroDivisionError') |
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286 | 286 | |
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287 | 287 | pyerr = KM.sub_channel.get_msg(timeout=2) |
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288 | 288 | for tst in validate_message(pyerr, 'pyerr', msg_id): |
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289 | 289 | yield tst |
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290 | 290 | |
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291 | 291 | |
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292 | 292 | def test_execute_inc(): |
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293 | 293 | """execute request should increment execution_count""" |
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294 | 294 | flush_channels() |
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295 | 295 | |
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296 | 296 | msg_id, reply = execute(code='x=1') |
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297 | 297 | count = reply['execution_count'] |
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298 | 298 | |
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299 | 299 | flush_channels() |
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300 | 300 | |
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301 | 301 | msg_id, reply = execute(code='x=2') |
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302 | 302 | count_2 = reply['execution_count'] |
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303 | 303 | nt.assert_equals(count_2, count+1) |
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304 | 304 | |
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305 | 305 | |
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306 | 306 | def test_user_variables(): |
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307 | 307 | flush_channels() |
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308 | 308 | |
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309 | 309 | msg_id, reply = execute(code='x=1', user_variables=['x']) |
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310 | 310 | user_variables = reply['user_variables'] |
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311 | 311 | nt.assert_equals(user_variables, {u'x' : u'1'}) |
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312 | 312 | |
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313 | 313 | |
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314 | 314 | def test_user_expressions(): |
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315 | 315 | flush_channels() |
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316 | 316 | |
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317 | 317 | msg_id, reply = execute(code='x=1', user_expressions=dict(foo='x+1')) |
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318 | 318 | user_expressions = reply['user_expressions'] |
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319 | 319 | nt.assert_equals(user_expressions, {u'foo' : u'2'}) |
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320 | 320 | |
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321 | 321 | |
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322 | 322 | @dec.parametric |
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323 | 323 | def test_oinfo(): |
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324 | 324 | flush_channels() |
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325 | 325 | |
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326 | 326 | shell = KM.shell_channel |
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327 | 327 | |
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328 | 328 | msg_id = shell.object_info('a') |
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329 | 329 | reply = shell.get_msg(timeout=2) |
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330 | 330 | for tst in validate_message(reply, 'object_info_reply', msg_id): |
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331 | 331 | yield tst |
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332 | 332 | |
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333 | 333 | |
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334 | 334 | @dec.parametric |
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335 | 335 | def test_oinfo_found(): |
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336 | 336 | flush_channels() |
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337 | 337 | |
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338 | 338 | shell = KM.shell_channel |
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339 | 339 | |
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340 | 340 | msg_id, reply = execute(code='a=5') |
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341 | 341 | |
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342 | 342 | msg_id = shell.object_info('a') |
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343 | 343 | reply = shell.get_msg(timeout=2) |
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344 | 344 | for tst in validate_message(reply, 'object_info_reply', msg_id): |
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345 | 345 | yield tst |
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346 | 346 | content = reply['content'] |
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347 | 347 | yield nt.assert_true(content['found']) |
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348 | argspec = content['argspec'] | |
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349 | yield nt.assert_true(argspec is None, "didn't expect argspec dict, got %r" % argspec) | |
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348 | 350 | |
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349 | 351 | |
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350 | 352 | @dec.parametric |
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351 | 353 | def test_oinfo_detail(): |
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352 | 354 | flush_channels() |
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353 | 355 | |
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354 | 356 | shell = KM.shell_channel |
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355 | 357 | |
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356 | 358 | msg_id, reply = execute(code='ip=get_ipython()') |
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357 | 359 | |
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358 | 360 | msg_id = shell.object_info('ip.object_inspect', detail_level=2) |
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359 | 361 | reply = shell.get_msg(timeout=2) |
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360 | 362 | for tst in validate_message(reply, 'object_info_reply', msg_id): |
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361 | 363 | yield tst |
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362 | 364 | content = reply['content'] |
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363 | 365 | yield nt.assert_true(content['found']) |
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366 | argspec = content['argspec'] | |
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367 | yield nt.assert_true(isinstance(argspec, dict), "expected non-empty argspec dict, got %r" % argspec) | |
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368 | yield nt.assert_equals(argspec['defaults'], [0]) | |
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364 | 369 | |
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365 | 370 | |
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366 | 371 | @dec.parametric |
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367 | 372 | def test_oinfo_not_found(): |
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368 | 373 | flush_channels() |
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369 | 374 | |
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370 | 375 | shell = KM.shell_channel |
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371 | 376 | |
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372 | 377 | msg_id = shell.object_info('dne') |
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373 | 378 | reply = shell.get_msg(timeout=2) |
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374 | 379 | for tst in validate_message(reply, 'object_info_reply', msg_id): |
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375 | 380 | yield tst |
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376 | 381 | content = reply['content'] |
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377 | 382 | yield nt.assert_false(content['found']) |
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378 | 383 | |
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379 | 384 | |
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380 | 385 | @dec.parametric |
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381 | 386 | def test_complete(): |
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382 | 387 | flush_channels() |
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383 | 388 | |
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384 | 389 | shell = KM.shell_channel |
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385 | 390 | |
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386 | 391 | msg_id, reply = execute(code="alpha = albert = 5") |
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387 | 392 | |
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388 | 393 | msg_id = shell.complete('al', 'al', 2) |
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389 | 394 | reply = shell.get_msg(timeout=2) |
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390 | 395 | for tst in validate_message(reply, 'complete_reply', msg_id): |
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391 | 396 | yield tst |
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392 | 397 | matches = reply['content']['matches'] |
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393 | 398 | for name in ('alpha', 'albert'): |
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394 | 399 | yield nt.assert_true(name in matches, "Missing match: %r" % name) |
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395 | 400 | |
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396 | 401 | |
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397 | 402 | @dec.parametric |
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398 | 403 | def test_stream(): |
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399 | 404 | flush_channels() |
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400 | 405 | |
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401 | 406 | msg_id, reply = execute("print('hi')") |
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402 | 407 | |
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403 | 408 | stdout = KM.sub_channel.get_msg(timeout=2) |
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404 | 409 | for tst in validate_message(stdout, 'stream', msg_id): |
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405 | 410 | yield tst |
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406 | 411 | content = stdout['content'] |
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407 | 412 | yield nt.assert_equals(content['name'], u'stdout') |
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408 | 413 | yield nt.assert_equals(content['data'], u'hi\n') |
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409 | 414 | |
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410 | 415 | |
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411 | 416 | @dec.parametric |
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412 | 417 | def test_display_data(): |
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413 | 418 | flush_channels() |
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414 | 419 | |
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415 | 420 | msg_id, reply = execute("from IPython.core.display import display; display(1)") |
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416 | 421 | |
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417 | 422 | display = KM.sub_channel.get_msg(timeout=2) |
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418 | 423 | for tst in validate_message(display, 'display_data', parent=msg_id): |
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419 | 424 | yield tst |
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420 | 425 | data = display['content']['data'] |
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421 | 426 | yield nt.assert_equals(data['text/plain'], u'1') |
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422 | 427 |
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