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1 | 1 | # -*- coding: utf-8 -*- |
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2 | 2 | """Tests for the key interactiveshell module. |
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3 | 3 | |
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4 | 4 | Historically the main classes in interactiveshell have been under-tested. This |
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5 | 5 | module should grow as many single-method tests as possible to trap many of the |
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6 | 6 | recurring bugs we seem to encounter with high-level interaction. |
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7 | 7 | """ |
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8 | 8 | |
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9 | 9 | # Copyright (c) IPython Development Team. |
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10 | 10 | # Distributed under the terms of the Modified BSD License. |
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11 | 11 | |
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12 | 12 | import asyncio |
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13 | 13 | import ast |
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14 | 14 | import os |
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15 | 15 | import signal |
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16 | 16 | import shutil |
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17 | 17 | import sys |
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18 | 18 | import tempfile |
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19 | 19 | import unittest |
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20 | 20 | from unittest import mock |
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21 | 21 | |
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22 | 22 | from os.path import join |
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23 | 23 | |
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24 | 24 | from IPython.core.error import InputRejected |
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25 | 25 | from IPython.core.inputtransformer import InputTransformer |
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26 | 26 | from IPython.core import interactiveshell |
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27 | 27 | from IPython.testing.decorators import ( |
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28 | 28 | skipif, skip_win32, onlyif_unicode_paths, onlyif_cmds_exist, |
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29 | 29 | ) |
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30 | 30 | from IPython.testing import tools as tt |
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31 | 31 | from IPython.utils.process import find_cmd |
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32 | 32 | |
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33 | 33 | #----------------------------------------------------------------------------- |
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34 | 34 | # Globals |
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35 | 35 | #----------------------------------------------------------------------------- |
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36 | 36 | # This is used by every single test, no point repeating it ad nauseam |
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37 | 37 | |
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38 | 38 | #----------------------------------------------------------------------------- |
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39 | 39 | # Tests |
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40 | 40 | #----------------------------------------------------------------------------- |
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41 | 41 | |
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42 | 42 | class DerivedInterrupt(KeyboardInterrupt): |
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43 | 43 | pass |
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44 | 44 | |
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45 | 45 | class InteractiveShellTestCase(unittest.TestCase): |
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46 | 46 | def test_naked_string_cells(self): |
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47 | 47 | """Test that cells with only naked strings are fully executed""" |
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48 | 48 | # First, single-line inputs |
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49 | 49 | ip.run_cell('"a"\n') |
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50 | 50 | self.assertEqual(ip.user_ns['_'], 'a') |
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51 | 51 | # And also multi-line cells |
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52 | 52 | ip.run_cell('"""a\nb"""\n') |
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53 | 53 | self.assertEqual(ip.user_ns['_'], 'a\nb') |
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54 | 54 | |
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55 | 55 | def test_run_empty_cell(self): |
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56 | 56 | """Just make sure we don't get a horrible error with a blank |
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57 | 57 | cell of input. Yes, I did overlook that.""" |
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58 | 58 | old_xc = ip.execution_count |
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59 | 59 | res = ip.run_cell('') |
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60 | 60 | self.assertEqual(ip.execution_count, old_xc) |
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61 | 61 | self.assertEqual(res.execution_count, None) |
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62 | 62 | |
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63 | 63 | def test_run_cell_multiline(self): |
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64 | 64 | """Multi-block, multi-line cells must execute correctly. |
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65 | 65 | """ |
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66 | 66 | src = '\n'.join(["x=1", |
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67 | 67 | "y=2", |
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68 | 68 | "if 1:", |
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69 | 69 | " x += 1", |
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70 | 70 | " y += 1",]) |
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71 | 71 | res = ip.run_cell(src) |
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72 | 72 | self.assertEqual(ip.user_ns['x'], 2) |
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73 | 73 | self.assertEqual(ip.user_ns['y'], 3) |
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74 | 74 | self.assertEqual(res.success, True) |
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75 | 75 | self.assertEqual(res.result, None) |
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76 | 76 | |
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77 | 77 | def test_multiline_string_cells(self): |
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78 | 78 | "Code sprinkled with multiline strings should execute (GH-306)" |
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79 | 79 | ip.run_cell('tmp=0') |
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80 | 80 | self.assertEqual(ip.user_ns['tmp'], 0) |
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81 | 81 | res = ip.run_cell('tmp=1;"""a\nb"""\n') |
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82 | 82 | self.assertEqual(ip.user_ns['tmp'], 1) |
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83 | 83 | self.assertEqual(res.success, True) |
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84 | 84 | self.assertEqual(res.result, "a\nb") |
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85 | 85 | |
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86 | 86 | def test_dont_cache_with_semicolon(self): |
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87 | 87 | "Ending a line with semicolon should not cache the returned object (GH-307)" |
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88 | 88 | oldlen = len(ip.user_ns['Out']) |
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89 | 89 | for cell in ['1;', '1;1;']: |
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90 | 90 | res = ip.run_cell(cell, store_history=True) |
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91 | 91 | newlen = len(ip.user_ns['Out']) |
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92 | 92 | self.assertEqual(oldlen, newlen) |
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93 | 93 | self.assertIsNone(res.result) |
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94 | 94 | i = 0 |
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95 | 95 | #also test the default caching behavior |
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96 | 96 | for cell in ['1', '1;1']: |
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97 | 97 | ip.run_cell(cell, store_history=True) |
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98 | 98 | newlen = len(ip.user_ns['Out']) |
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99 | 99 | i += 1 |
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100 | 100 | self.assertEqual(oldlen+i, newlen) |
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101 | 101 | |
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102 | 102 | def test_syntax_error(self): |
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103 | 103 | res = ip.run_cell("raise = 3") |
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104 | 104 | self.assertIsInstance(res.error_before_exec, SyntaxError) |
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105 | 105 | |
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106 | def test_open_standard_input_stream(self): | |
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107 | ip.init_create_namespaces() | |
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108 | res = ip.run_cell("open(0)") | |
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109 | self.assertIsInstance(res.error_in_exec, ValueError) | |
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110 | ||
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111 | def test_open_standard_output_stream(self): | |
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112 | ip.init_create_namespaces() | |
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113 | res = ip.run_cell("open(1)") | |
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114 | self.assertIsInstance(res.error_in_exec, ValueError) | |
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115 | ||
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116 | def test_open_standard_error_stream(self): | |
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117 | ip.init_create_namespaces() | |
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118 | res = ip.run_cell("open(2)") | |
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119 | self.assertIsInstance(res.error_in_exec, ValueError) | |
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120 | ||
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106 | 121 | def test_In_variable(self): |
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107 | 122 | "Verify that In variable grows with user input (GH-284)" |
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108 | 123 | oldlen = len(ip.user_ns['In']) |
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109 | 124 | ip.run_cell('1;', store_history=True) |
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110 | 125 | newlen = len(ip.user_ns['In']) |
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111 | 126 | self.assertEqual(oldlen+1, newlen) |
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112 | 127 | self.assertEqual(ip.user_ns['In'][-1],'1;') |
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113 | 128 | |
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114 | 129 | def test_magic_names_in_string(self): |
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115 | 130 | ip.run_cell('a = """\n%exit\n"""') |
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116 | 131 | self.assertEqual(ip.user_ns['a'], '\n%exit\n') |
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117 | 132 | |
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118 | 133 | def test_trailing_newline(self): |
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119 | 134 | """test that running !(command) does not raise a SyntaxError""" |
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120 | 135 | ip.run_cell('!(true)\n', False) |
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121 | 136 | ip.run_cell('!(true)\n\n\n', False) |
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122 | 137 | |
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123 | 138 | def test_gh_597(self): |
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124 | 139 | """Pretty-printing lists of objects with non-ascii reprs may cause |
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125 | 140 | problems.""" |
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126 | 141 | class Spam(object): |
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127 | 142 | def __repr__(self): |
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128 | 143 | return "\xe9"*50 |
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129 | 144 | import IPython.core.formatters |
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130 | 145 | f = IPython.core.formatters.PlainTextFormatter() |
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131 | 146 | f([Spam(),Spam()]) |
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132 | 147 | |
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133 | 148 | |
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134 | 149 | def test_future_flags(self): |
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135 | 150 | """Check that future flags are used for parsing code (gh-777)""" |
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136 | 151 | ip.run_cell('from __future__ import barry_as_FLUFL') |
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137 | 152 | try: |
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138 | 153 | ip.run_cell('prfunc_return_val = 1 <> 2') |
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139 | 154 | assert 'prfunc_return_val' in ip.user_ns |
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140 | 155 | finally: |
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141 | 156 | # Reset compiler flags so we don't mess up other tests. |
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142 | 157 | ip.compile.reset_compiler_flags() |
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143 | 158 | |
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144 | 159 | def test_can_pickle(self): |
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145 | 160 | "Can we pickle objects defined interactively (GH-29)" |
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146 | 161 | ip = get_ipython() |
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147 | 162 | ip.reset() |
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148 | 163 | ip.run_cell(("class Mylist(list):\n" |
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149 | 164 | " def __init__(self,x=[]):\n" |
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150 | 165 | " list.__init__(self,x)")) |
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151 | 166 | ip.run_cell("w=Mylist([1,2,3])") |
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152 | 167 | |
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153 | 168 | from pickle import dumps |
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154 | 169 | |
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155 | 170 | # We need to swap in our main module - this is only necessary |
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156 | 171 | # inside the test framework, because IPython puts the interactive module |
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157 | 172 | # in place (but the test framework undoes this). |
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158 | 173 | _main = sys.modules['__main__'] |
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159 | 174 | sys.modules['__main__'] = ip.user_module |
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160 | 175 | try: |
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161 | 176 | res = dumps(ip.user_ns["w"]) |
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162 | 177 | finally: |
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163 | 178 | sys.modules['__main__'] = _main |
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164 | 179 | self.assertTrue(isinstance(res, bytes)) |
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165 | 180 | |
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166 | 181 | def test_global_ns(self): |
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167 | 182 | "Code in functions must be able to access variables outside them." |
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168 | 183 | ip = get_ipython() |
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169 | 184 | ip.run_cell("a = 10") |
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170 | 185 | ip.run_cell(("def f(x):\n" |
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171 | 186 | " return x + a")) |
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172 | 187 | ip.run_cell("b = f(12)") |
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173 | 188 | self.assertEqual(ip.user_ns["b"], 22) |
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174 | 189 | |
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175 | 190 | def test_bad_custom_tb(self): |
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176 | 191 | """Check that InteractiveShell is protected from bad custom exception handlers""" |
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177 | 192 | ip.set_custom_exc((IOError,), lambda etype,value,tb: 1/0) |
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178 | 193 | self.assertEqual(ip.custom_exceptions, (IOError,)) |
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179 | 194 | with tt.AssertPrints("Custom TB Handler failed", channel='stderr'): |
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180 | 195 | ip.run_cell(u'raise IOError("foo")') |
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181 | 196 | self.assertEqual(ip.custom_exceptions, ()) |
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182 | 197 | |
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183 | 198 | def test_bad_custom_tb_return(self): |
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184 | 199 | """Check that InteractiveShell is protected from bad return types in custom exception handlers""" |
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185 | 200 | ip.set_custom_exc((NameError,),lambda etype,value,tb, tb_offset=None: 1) |
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186 | 201 | self.assertEqual(ip.custom_exceptions, (NameError,)) |
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187 | 202 | with tt.AssertPrints("Custom TB Handler failed", channel='stderr'): |
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188 | 203 | ip.run_cell(u'a=abracadabra') |
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189 | 204 | self.assertEqual(ip.custom_exceptions, ()) |
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190 | 205 | |
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191 | 206 | def test_drop_by_id(self): |
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192 | 207 | myvars = {"a":object(), "b":object(), "c": object()} |
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193 | 208 | ip.push(myvars, interactive=False) |
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194 | 209 | for name in myvars: |
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195 | 210 | assert name in ip.user_ns, name |
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196 | 211 | assert name in ip.user_ns_hidden, name |
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197 | 212 | ip.user_ns['b'] = 12 |
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198 | 213 | ip.drop_by_id(myvars) |
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199 | 214 | for name in ["a", "c"]: |
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200 | 215 | assert name not in ip.user_ns, name |
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201 | 216 | assert name not in ip.user_ns_hidden, name |
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202 | 217 | assert ip.user_ns['b'] == 12 |
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203 | 218 | ip.reset() |
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204 | 219 | |
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205 | 220 | def test_var_expand(self): |
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206 | 221 | ip.user_ns['f'] = u'Ca\xf1o' |
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207 | 222 | self.assertEqual(ip.var_expand(u'echo $f'), u'echo Ca\xf1o') |
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208 | 223 | self.assertEqual(ip.var_expand(u'echo {f}'), u'echo Ca\xf1o') |
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209 | 224 | self.assertEqual(ip.var_expand(u'echo {f[:-1]}'), u'echo Ca\xf1') |
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210 | 225 | self.assertEqual(ip.var_expand(u'echo {1*2}'), u'echo 2') |
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211 | 226 | |
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212 | 227 | self.assertEqual(ip.var_expand(u"grep x | awk '{print $1}'"), u"grep x | awk '{print $1}'") |
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213 | 228 | |
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214 | 229 | ip.user_ns['f'] = b'Ca\xc3\xb1o' |
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215 | 230 | # This should not raise any exception: |
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216 | 231 | ip.var_expand(u'echo $f') |
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217 | 232 | |
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218 | 233 | def test_var_expand_local(self): |
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219 | 234 | """Test local variable expansion in !system and %magic calls""" |
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220 | 235 | # !system |
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221 | 236 | ip.run_cell( |
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222 | 237 | "def test():\n" |
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223 | 238 | ' lvar = "ttt"\n' |
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224 | 239 | " ret = !echo {lvar}\n" |
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225 | 240 | " return ret[0]\n" |
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226 | 241 | ) |
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227 | 242 | res = ip.user_ns["test"]() |
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228 | 243 | self.assertIn("ttt", res) |
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229 | 244 | |
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230 | 245 | # %magic |
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231 | 246 | ip.run_cell( |
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232 | 247 | "def makemacro():\n" |
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233 | 248 | ' macroname = "macro_var_expand_locals"\n' |
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234 | 249 | " %macro {macroname} codestr\n" |
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235 | 250 | ) |
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236 | 251 | ip.user_ns["codestr"] = "str(12)" |
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237 | 252 | ip.run_cell("makemacro()") |
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238 | 253 | self.assertIn("macro_var_expand_locals", ip.user_ns) |
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239 | 254 | |
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240 | 255 | def test_var_expand_self(self): |
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241 | 256 | """Test variable expansion with the name 'self', which was failing. |
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242 | 257 | |
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243 | 258 | See https://github.com/ipython/ipython/issues/1878#issuecomment-7698218 |
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244 | 259 | """ |
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245 | 260 | ip.run_cell( |
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246 | 261 | "class cTest:\n" |
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247 | 262 | ' classvar="see me"\n' |
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248 | 263 | " def test(self):\n" |
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249 | 264 | " res = !echo Variable: {self.classvar}\n" |
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250 | 265 | " return res[0]\n" |
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251 | 266 | ) |
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252 | 267 | self.assertIn("see me", ip.user_ns["cTest"]().test()) |
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253 | 268 | |
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254 | 269 | def test_bad_var_expand(self): |
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255 | 270 | """var_expand on invalid formats shouldn't raise""" |
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256 | 271 | # SyntaxError |
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257 | 272 | self.assertEqual(ip.var_expand(u"{'a':5}"), u"{'a':5}") |
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258 | 273 | # NameError |
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259 | 274 | self.assertEqual(ip.var_expand(u"{asdf}"), u"{asdf}") |
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260 | 275 | # ZeroDivisionError |
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261 | 276 | self.assertEqual(ip.var_expand(u"{1/0}"), u"{1/0}") |
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262 | 277 | |
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263 | 278 | def test_silent_postexec(self): |
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264 | 279 | """run_cell(silent=True) doesn't invoke pre/post_run_cell callbacks""" |
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265 | 280 | pre_explicit = mock.Mock() |
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266 | 281 | pre_always = mock.Mock() |
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267 | 282 | post_explicit = mock.Mock() |
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268 | 283 | post_always = mock.Mock() |
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269 | 284 | all_mocks = [pre_explicit, pre_always, post_explicit, post_always] |
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270 | 285 | |
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271 | 286 | ip.events.register('pre_run_cell', pre_explicit) |
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272 | 287 | ip.events.register('pre_execute', pre_always) |
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273 | 288 | ip.events.register('post_run_cell', post_explicit) |
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274 | 289 | ip.events.register('post_execute', post_always) |
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275 | 290 | |
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276 | 291 | try: |
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277 | 292 | ip.run_cell("1", silent=True) |
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278 | 293 | assert pre_always.called |
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279 | 294 | assert not pre_explicit.called |
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280 | 295 | assert post_always.called |
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281 | 296 | assert not post_explicit.called |
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282 | 297 | # double-check that non-silent exec did what we expected |
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283 | 298 | # silent to avoid |
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284 | 299 | ip.run_cell("1") |
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285 | 300 | assert pre_explicit.called |
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286 | 301 | assert post_explicit.called |
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287 | 302 | info, = pre_explicit.call_args[0] |
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288 | 303 | result, = post_explicit.call_args[0] |
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289 | 304 | self.assertEqual(info, result.info) |
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290 | 305 | # check that post hooks are always called |
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291 | 306 | [m.reset_mock() for m in all_mocks] |
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292 | 307 | ip.run_cell("syntax error") |
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293 | 308 | assert pre_always.called |
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294 | 309 | assert pre_explicit.called |
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295 | 310 | assert post_always.called |
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296 | 311 | assert post_explicit.called |
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297 | 312 | info, = pre_explicit.call_args[0] |
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298 | 313 | result, = post_explicit.call_args[0] |
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299 | 314 | self.assertEqual(info, result.info) |
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300 | 315 | finally: |
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301 | 316 | # remove post-exec |
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302 | 317 | ip.events.unregister('pre_run_cell', pre_explicit) |
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303 | 318 | ip.events.unregister('pre_execute', pre_always) |
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304 | 319 | ip.events.unregister('post_run_cell', post_explicit) |
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305 | 320 | ip.events.unregister('post_execute', post_always) |
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306 | 321 | |
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307 | 322 | def test_silent_noadvance(self): |
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308 | 323 | """run_cell(silent=True) doesn't advance execution_count""" |
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309 | 324 | ec = ip.execution_count |
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310 | 325 | # silent should force store_history=False |
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311 | 326 | ip.run_cell("1", store_history=True, silent=True) |
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312 | 327 | |
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313 | 328 | self.assertEqual(ec, ip.execution_count) |
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314 | 329 | # double-check that non-silent exec did what we expected |
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315 | 330 | # silent to avoid |
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316 | 331 | ip.run_cell("1", store_history=True) |
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317 | 332 | self.assertEqual(ec+1, ip.execution_count) |
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318 | 333 | |
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319 | 334 | def test_silent_nodisplayhook(self): |
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320 | 335 | """run_cell(silent=True) doesn't trigger displayhook""" |
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321 | 336 | d = dict(called=False) |
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322 | 337 | |
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323 | 338 | trap = ip.display_trap |
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324 | 339 | save_hook = trap.hook |
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325 | 340 | |
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326 | 341 | def failing_hook(*args, **kwargs): |
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327 | 342 | d['called'] = True |
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328 | 343 | |
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329 | 344 | try: |
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330 | 345 | trap.hook = failing_hook |
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331 | 346 | res = ip.run_cell("1", silent=True) |
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332 | 347 | self.assertFalse(d['called']) |
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333 | 348 | self.assertIsNone(res.result) |
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334 | 349 | # double-check that non-silent exec did what we expected |
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335 | 350 | # silent to avoid |
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336 | 351 | ip.run_cell("1") |
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337 | 352 | self.assertTrue(d['called']) |
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338 | 353 | finally: |
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339 | 354 | trap.hook = save_hook |
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340 | 355 | |
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341 | 356 | def test_ofind_line_magic(self): |
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342 | 357 | from IPython.core.magic import register_line_magic |
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343 | 358 | |
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344 | 359 | @register_line_magic |
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345 | 360 | def lmagic(line): |
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346 | 361 | "A line magic" |
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347 | 362 | |
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348 | 363 | # Get info on line magic |
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349 | 364 | lfind = ip._ofind("lmagic") |
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350 | 365 | info = dict( |
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351 | 366 | found=True, |
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352 | 367 | isalias=False, |
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353 | 368 | ismagic=True, |
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354 | 369 | namespace="IPython internal", |
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355 | 370 | obj=lmagic, |
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356 | 371 | parent=None, |
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357 | 372 | ) |
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358 | 373 | self.assertEqual(lfind, info) |
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359 | 374 | |
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360 | 375 | def test_ofind_cell_magic(self): |
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361 | 376 | from IPython.core.magic import register_cell_magic |
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362 | 377 | |
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363 | 378 | @register_cell_magic |
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364 | 379 | def cmagic(line, cell): |
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365 | 380 | "A cell magic" |
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366 | 381 | |
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367 | 382 | # Get info on cell magic |
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368 | 383 | find = ip._ofind("cmagic") |
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369 | 384 | info = dict( |
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370 | 385 | found=True, |
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371 | 386 | isalias=False, |
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372 | 387 | ismagic=True, |
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373 | 388 | namespace="IPython internal", |
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374 | 389 | obj=cmagic, |
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375 | 390 | parent=None, |
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376 | 391 | ) |
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377 | 392 | self.assertEqual(find, info) |
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378 | 393 | |
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379 | 394 | def test_ofind_property_with_error(self): |
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380 | 395 | class A(object): |
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381 | 396 | @property |
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382 | 397 | def foo(self): |
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383 | 398 | raise NotImplementedError() # pragma: no cover |
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384 | 399 | |
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385 | 400 | a = A() |
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386 | 401 | |
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387 | 402 | found = ip._ofind('a.foo', [('locals', locals())]) |
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388 | 403 | info = dict(found=True, isalias=False, ismagic=False, |
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389 | 404 | namespace='locals', obj=A.foo, parent=a) |
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390 | 405 | self.assertEqual(found, info) |
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391 | 406 | |
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392 | 407 | def test_ofind_multiple_attribute_lookups(self): |
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393 | 408 | class A(object): |
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394 | 409 | @property |
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395 | 410 | def foo(self): |
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396 | 411 | raise NotImplementedError() # pragma: no cover |
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397 | 412 | |
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398 | 413 | a = A() |
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399 | 414 | a.a = A() |
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400 | 415 | a.a.a = A() |
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401 | 416 | |
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402 | 417 | found = ip._ofind('a.a.a.foo', [('locals', locals())]) |
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403 | 418 | info = dict(found=True, isalias=False, ismagic=False, |
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404 | 419 | namespace='locals', obj=A.foo, parent=a.a.a) |
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405 | 420 | self.assertEqual(found, info) |
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406 | 421 | |
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407 | 422 | def test_ofind_slotted_attributes(self): |
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408 | 423 | class A(object): |
|
409 | 424 | __slots__ = ['foo'] |
|
410 | 425 | def __init__(self): |
|
411 | 426 | self.foo = 'bar' |
|
412 | 427 | |
|
413 | 428 | a = A() |
|
414 | 429 | found = ip._ofind('a.foo', [('locals', locals())]) |
|
415 | 430 | info = dict(found=True, isalias=False, ismagic=False, |
|
416 | 431 | namespace='locals', obj=a.foo, parent=a) |
|
417 | 432 | self.assertEqual(found, info) |
|
418 | 433 | |
|
419 | 434 | found = ip._ofind('a.bar', [('locals', locals())]) |
|
420 | 435 | info = dict(found=False, isalias=False, ismagic=False, |
|
421 | 436 | namespace=None, obj=None, parent=a) |
|
422 | 437 | self.assertEqual(found, info) |
|
423 | 438 | |
|
424 | 439 | def test_ofind_prefers_property_to_instance_level_attribute(self): |
|
425 | 440 | class A(object): |
|
426 | 441 | @property |
|
427 | 442 | def foo(self): |
|
428 | 443 | return 'bar' |
|
429 | 444 | a = A() |
|
430 | 445 | a.__dict__["foo"] = "baz" |
|
431 | 446 | self.assertEqual(a.foo, "bar") |
|
432 | 447 | found = ip._ofind("a.foo", [("locals", locals())]) |
|
433 | 448 | self.assertIs(found["obj"], A.foo) |
|
434 | 449 | |
|
435 | 450 | def test_custom_syntaxerror_exception(self): |
|
436 | 451 | called = [] |
|
437 | 452 | def my_handler(shell, etype, value, tb, tb_offset=None): |
|
438 | 453 | called.append(etype) |
|
439 | 454 | shell.showtraceback((etype, value, tb), tb_offset=tb_offset) |
|
440 | 455 | |
|
441 | 456 | ip.set_custom_exc((SyntaxError,), my_handler) |
|
442 | 457 | try: |
|
443 | 458 | ip.run_cell("1f") |
|
444 | 459 | # Check that this was called, and only once. |
|
445 | 460 | self.assertEqual(called, [SyntaxError]) |
|
446 | 461 | finally: |
|
447 | 462 | # Reset the custom exception hook |
|
448 | 463 | ip.set_custom_exc((), None) |
|
449 | 464 | |
|
450 | 465 | def test_custom_exception(self): |
|
451 | 466 | called = [] |
|
452 | 467 | def my_handler(shell, etype, value, tb, tb_offset=None): |
|
453 | 468 | called.append(etype) |
|
454 | 469 | shell.showtraceback((etype, value, tb), tb_offset=tb_offset) |
|
455 | 470 | |
|
456 | 471 | ip.set_custom_exc((ValueError,), my_handler) |
|
457 | 472 | try: |
|
458 | 473 | res = ip.run_cell("raise ValueError('test')") |
|
459 | 474 | # Check that this was called, and only once. |
|
460 | 475 | self.assertEqual(called, [ValueError]) |
|
461 | 476 | # Check that the error is on the result object |
|
462 | 477 | self.assertIsInstance(res.error_in_exec, ValueError) |
|
463 | 478 | finally: |
|
464 | 479 | # Reset the custom exception hook |
|
465 | 480 | ip.set_custom_exc((), None) |
|
466 | 481 | |
|
467 | 482 | @mock.patch("builtins.print") |
|
468 | 483 | def test_showtraceback_with_surrogates(self, mocked_print): |
|
469 | 484 | values = [] |
|
470 | 485 | |
|
471 | 486 | def mock_print_func(value, sep=" ", end="\n", file=sys.stdout, flush=False): |
|
472 | 487 | values.append(value) |
|
473 | 488 | if value == chr(0xD8FF): |
|
474 | 489 | raise UnicodeEncodeError("utf-8", chr(0xD8FF), 0, 1, "") |
|
475 | 490 | |
|
476 | 491 | # mock builtins.print |
|
477 | 492 | mocked_print.side_effect = mock_print_func |
|
478 | 493 | |
|
479 | 494 | # ip._showtraceback() is replaced in globalipapp.py. |
|
480 | 495 | # Call original method to test. |
|
481 | 496 | interactiveshell.InteractiveShell._showtraceback(ip, None, None, chr(0xD8FF)) |
|
482 | 497 | |
|
483 | 498 | self.assertEqual(mocked_print.call_count, 2) |
|
484 | 499 | self.assertEqual(values, [chr(0xD8FF), "\\ud8ff"]) |
|
485 | 500 | |
|
486 | 501 | def test_mktempfile(self): |
|
487 | 502 | filename = ip.mktempfile() |
|
488 | 503 | # Check that we can open the file again on Windows |
|
489 | 504 | with open(filename, "w", encoding="utf-8") as f: |
|
490 | 505 | f.write("abc") |
|
491 | 506 | |
|
492 | 507 | filename = ip.mktempfile(data="blah") |
|
493 | 508 | with open(filename, "r", encoding="utf-8") as f: |
|
494 | 509 | self.assertEqual(f.read(), "blah") |
|
495 | 510 | |
|
496 | 511 | def test_new_main_mod(self): |
|
497 | 512 | # Smoketest to check that this accepts a unicode module name |
|
498 | 513 | name = u'jiefmw' |
|
499 | 514 | mod = ip.new_main_mod(u'%s.py' % name, name) |
|
500 | 515 | self.assertEqual(mod.__name__, name) |
|
501 | 516 | |
|
502 | 517 | def test_get_exception_only(self): |
|
503 | 518 | try: |
|
504 | 519 | raise KeyboardInterrupt |
|
505 | 520 | except KeyboardInterrupt: |
|
506 | 521 | msg = ip.get_exception_only() |
|
507 | 522 | self.assertEqual(msg, 'KeyboardInterrupt\n') |
|
508 | 523 | |
|
509 | 524 | try: |
|
510 | 525 | raise DerivedInterrupt("foo") |
|
511 | 526 | except KeyboardInterrupt: |
|
512 | 527 | msg = ip.get_exception_only() |
|
513 | 528 | self.assertEqual(msg, 'IPython.core.tests.test_interactiveshell.DerivedInterrupt: foo\n') |
|
514 | 529 | |
|
515 | 530 | def test_inspect_text(self): |
|
516 | 531 | ip.run_cell('a = 5') |
|
517 | 532 | text = ip.object_inspect_text('a') |
|
518 | 533 | self.assertIsInstance(text, str) |
|
519 | 534 | |
|
520 | 535 | def test_last_execution_result(self): |
|
521 | 536 | """ Check that last execution result gets set correctly (GH-10702) """ |
|
522 | 537 | result = ip.run_cell('a = 5; a') |
|
523 | 538 | self.assertTrue(ip.last_execution_succeeded) |
|
524 | 539 | self.assertEqual(ip.last_execution_result.result, 5) |
|
525 | 540 | |
|
526 | 541 | result = ip.run_cell('a = x_invalid_id_x') |
|
527 | 542 | self.assertFalse(ip.last_execution_succeeded) |
|
528 | 543 | self.assertFalse(ip.last_execution_result.success) |
|
529 | 544 | self.assertIsInstance(ip.last_execution_result.error_in_exec, NameError) |
|
530 | 545 | |
|
531 | 546 | def test_reset_aliasing(self): |
|
532 | 547 | """ Check that standard posix aliases work after %reset. """ |
|
533 | 548 | if os.name != 'posix': |
|
534 | 549 | return |
|
535 | 550 | |
|
536 | 551 | ip.reset() |
|
537 | 552 | for cmd in ('clear', 'more', 'less', 'man'): |
|
538 | 553 | res = ip.run_cell('%' + cmd) |
|
539 | 554 | self.assertEqual(res.success, True) |
|
540 | 555 | |
|
541 | 556 | |
|
542 | 557 | class TestSafeExecfileNonAsciiPath(unittest.TestCase): |
|
543 | 558 | |
|
544 | 559 | @onlyif_unicode_paths |
|
545 | 560 | def setUp(self): |
|
546 | 561 | self.BASETESTDIR = tempfile.mkdtemp() |
|
547 | 562 | self.TESTDIR = join(self.BASETESTDIR, u"åäö") |
|
548 | 563 | os.mkdir(self.TESTDIR) |
|
549 | 564 | with open( |
|
550 | 565 | join(self.TESTDIR, "åäötestscript.py"), "w", encoding="utf-8" |
|
551 | 566 | ) as sfile: |
|
552 | 567 | sfile.write("pass\n") |
|
553 | 568 | self.oldpath = os.getcwd() |
|
554 | 569 | os.chdir(self.TESTDIR) |
|
555 | 570 | self.fname = u"åäötestscript.py" |
|
556 | 571 | |
|
557 | 572 | def tearDown(self): |
|
558 | 573 | os.chdir(self.oldpath) |
|
559 | 574 | shutil.rmtree(self.BASETESTDIR) |
|
560 | 575 | |
|
561 | 576 | @onlyif_unicode_paths |
|
562 | 577 | def test_1(self): |
|
563 | 578 | """Test safe_execfile with non-ascii path |
|
564 | 579 | """ |
|
565 | 580 | ip.safe_execfile(self.fname, {}, raise_exceptions=True) |
|
566 | 581 | |
|
567 | 582 | class ExitCodeChecks(tt.TempFileMixin): |
|
568 | 583 | |
|
569 | 584 | def setUp(self): |
|
570 | 585 | self.system = ip.system_raw |
|
571 | 586 | |
|
572 | 587 | def test_exit_code_ok(self): |
|
573 | 588 | self.system('exit 0') |
|
574 | 589 | self.assertEqual(ip.user_ns['_exit_code'], 0) |
|
575 | 590 | |
|
576 | 591 | def test_exit_code_error(self): |
|
577 | 592 | self.system('exit 1') |
|
578 | 593 | self.assertEqual(ip.user_ns['_exit_code'], 1) |
|
579 | 594 | |
|
580 | 595 | @skipif(not hasattr(signal, 'SIGALRM')) |
|
581 | 596 | def test_exit_code_signal(self): |
|
582 | 597 | self.mktmp("import signal, time\n" |
|
583 | 598 | "signal.setitimer(signal.ITIMER_REAL, 0.1)\n" |
|
584 | 599 | "time.sleep(1)\n") |
|
585 | 600 | self.system("%s %s" % (sys.executable, self.fname)) |
|
586 | 601 | self.assertEqual(ip.user_ns['_exit_code'], -signal.SIGALRM) |
|
587 | 602 | |
|
588 | 603 | @onlyif_cmds_exist("csh") |
|
589 | 604 | def test_exit_code_signal_csh(self): # pragma: no cover |
|
590 | 605 | SHELL = os.environ.get("SHELL", None) |
|
591 | 606 | os.environ["SHELL"] = find_cmd("csh") |
|
592 | 607 | try: |
|
593 | 608 | self.test_exit_code_signal() |
|
594 | 609 | finally: |
|
595 | 610 | if SHELL is not None: |
|
596 | 611 | os.environ['SHELL'] = SHELL |
|
597 | 612 | else: |
|
598 | 613 | del os.environ['SHELL'] |
|
599 | 614 | |
|
600 | 615 | |
|
601 | 616 | class TestSystemRaw(ExitCodeChecks): |
|
602 | 617 | |
|
603 | 618 | def setUp(self): |
|
604 | 619 | super().setUp() |
|
605 | 620 | self.system = ip.system_raw |
|
606 | 621 | |
|
607 | 622 | @onlyif_unicode_paths |
|
608 | 623 | def test_1(self): |
|
609 | 624 | """Test system_raw with non-ascii cmd |
|
610 | 625 | """ |
|
611 | 626 | cmd = u'''python -c "'åäö'" ''' |
|
612 | 627 | ip.system_raw(cmd) |
|
613 | 628 | |
|
614 | 629 | @mock.patch('subprocess.call', side_effect=KeyboardInterrupt) |
|
615 | 630 | @mock.patch('os.system', side_effect=KeyboardInterrupt) |
|
616 | 631 | def test_control_c(self, *mocks): |
|
617 | 632 | try: |
|
618 | 633 | self.system("sleep 1 # wont happen") |
|
619 | 634 | except KeyboardInterrupt: # pragma: no cove |
|
620 | 635 | self.fail( |
|
621 | 636 | "system call should intercept " |
|
622 | 637 | "keyboard interrupt from subprocess.call" |
|
623 | 638 | ) |
|
624 | 639 | self.assertEqual(ip.user_ns["_exit_code"], -signal.SIGINT) |
|
625 | 640 | |
|
626 | 641 | def test_magic_warnings(self): |
|
627 | 642 | for magic_cmd in ("pip", "conda", "cd"): |
|
628 | 643 | with self.assertWarnsRegex(Warning, "You executed the system command"): |
|
629 | 644 | ip.system_raw(magic_cmd) |
|
630 | 645 | |
|
631 | 646 | # TODO: Exit codes are currently ignored on Windows. |
|
632 | 647 | class TestSystemPipedExitCode(ExitCodeChecks): |
|
633 | 648 | |
|
634 | 649 | def setUp(self): |
|
635 | 650 | super().setUp() |
|
636 | 651 | self.system = ip.system_piped |
|
637 | 652 | |
|
638 | 653 | @skip_win32 |
|
639 | 654 | def test_exit_code_ok(self): |
|
640 | 655 | ExitCodeChecks.test_exit_code_ok(self) |
|
641 | 656 | |
|
642 | 657 | @skip_win32 |
|
643 | 658 | def test_exit_code_error(self): |
|
644 | 659 | ExitCodeChecks.test_exit_code_error(self) |
|
645 | 660 | |
|
646 | 661 | @skip_win32 |
|
647 | 662 | def test_exit_code_signal(self): |
|
648 | 663 | ExitCodeChecks.test_exit_code_signal(self) |
|
649 | 664 | |
|
650 | 665 | class TestModules(tt.TempFileMixin): |
|
651 | 666 | def test_extraneous_loads(self): |
|
652 | 667 | """Test we're not loading modules on startup that we shouldn't. |
|
653 | 668 | """ |
|
654 | 669 | self.mktmp("import sys\n" |
|
655 | 670 | "print('numpy' in sys.modules)\n" |
|
656 | 671 | "print('ipyparallel' in sys.modules)\n" |
|
657 | 672 | "print('ipykernel' in sys.modules)\n" |
|
658 | 673 | ) |
|
659 | 674 | out = "False\nFalse\nFalse\n" |
|
660 | 675 | tt.ipexec_validate(self.fname, out) |
|
661 | 676 | |
|
662 | 677 | class Negator(ast.NodeTransformer): |
|
663 | 678 | """Negates all number literals in an AST.""" |
|
664 | 679 | |
|
665 | 680 | # for python 3.7 and earlier |
|
666 | 681 | def visit_Num(self, node): |
|
667 | 682 | node.n = -node.n |
|
668 | 683 | return node |
|
669 | 684 | |
|
670 | 685 | # for python 3.8+ |
|
671 | 686 | def visit_Constant(self, node): |
|
672 | 687 | if isinstance(node.value, int): |
|
673 | 688 | return self.visit_Num(node) |
|
674 | 689 | return node |
|
675 | 690 | |
|
676 | 691 | class TestAstTransform(unittest.TestCase): |
|
677 | 692 | def setUp(self): |
|
678 | 693 | self.negator = Negator() |
|
679 | 694 | ip.ast_transformers.append(self.negator) |
|
680 | 695 | |
|
681 | 696 | def tearDown(self): |
|
682 | 697 | ip.ast_transformers.remove(self.negator) |
|
683 | 698 | |
|
684 | 699 | def test_non_int_const(self): |
|
685 | 700 | with tt.AssertPrints("hello"): |
|
686 | 701 | ip.run_cell('print("hello")') |
|
687 | 702 | |
|
688 | 703 | def test_run_cell(self): |
|
689 | 704 | with tt.AssertPrints("-34"): |
|
690 | 705 | ip.run_cell("print(12 + 22)") |
|
691 | 706 | |
|
692 | 707 | # A named reference to a number shouldn't be transformed. |
|
693 | 708 | ip.user_ns["n"] = 55 |
|
694 | 709 | with tt.AssertNotPrints("-55"): |
|
695 | 710 | ip.run_cell("print(n)") |
|
696 | 711 | |
|
697 | 712 | def test_timeit(self): |
|
698 | 713 | called = set() |
|
699 | 714 | def f(x): |
|
700 | 715 | called.add(x) |
|
701 | 716 | ip.push({'f':f}) |
|
702 | 717 | |
|
703 | 718 | with tt.AssertPrints("std. dev. of"): |
|
704 | 719 | ip.run_line_magic("timeit", "-n1 f(1)") |
|
705 | 720 | self.assertEqual(called, {-1}) |
|
706 | 721 | called.clear() |
|
707 | 722 | |
|
708 | 723 | with tt.AssertPrints("std. dev. of"): |
|
709 | 724 | ip.run_cell_magic("timeit", "-n1 f(2)", "f(3)") |
|
710 | 725 | self.assertEqual(called, {-2, -3}) |
|
711 | 726 | |
|
712 | 727 | def test_time(self): |
|
713 | 728 | called = [] |
|
714 | 729 | def f(x): |
|
715 | 730 | called.append(x) |
|
716 | 731 | ip.push({'f':f}) |
|
717 | 732 | |
|
718 | 733 | # Test with an expression |
|
719 | 734 | with tt.AssertPrints("Wall time: "): |
|
720 | 735 | ip.run_line_magic("time", "f(5+9)") |
|
721 | 736 | self.assertEqual(called, [-14]) |
|
722 | 737 | called[:] = [] |
|
723 | 738 | |
|
724 | 739 | # Test with a statement (different code path) |
|
725 | 740 | with tt.AssertPrints("Wall time: "): |
|
726 | 741 | ip.run_line_magic("time", "a = f(-3 + -2)") |
|
727 | 742 | self.assertEqual(called, [5]) |
|
728 | 743 | |
|
729 | 744 | def test_macro(self): |
|
730 | 745 | ip.push({'a':10}) |
|
731 | 746 | # The AST transformation makes this do a+=-1 |
|
732 | 747 | ip.define_macro("amacro", "a+=1\nprint(a)") |
|
733 | 748 | |
|
734 | 749 | with tt.AssertPrints("9"): |
|
735 | 750 | ip.run_cell("amacro") |
|
736 | 751 | with tt.AssertPrints("8"): |
|
737 | 752 | ip.run_cell("amacro") |
|
738 | 753 | |
|
739 | 754 | class TestMiscTransform(unittest.TestCase): |
|
740 | 755 | |
|
741 | 756 | |
|
742 | 757 | def test_transform_only_once(self): |
|
743 | 758 | cleanup = 0 |
|
744 | 759 | line_t = 0 |
|
745 | 760 | def count_cleanup(lines): |
|
746 | 761 | nonlocal cleanup |
|
747 | 762 | cleanup += 1 |
|
748 | 763 | return lines |
|
749 | 764 | |
|
750 | 765 | def count_line_t(lines): |
|
751 | 766 | nonlocal line_t |
|
752 | 767 | line_t += 1 |
|
753 | 768 | return lines |
|
754 | 769 | |
|
755 | 770 | ip.input_transformer_manager.cleanup_transforms.append(count_cleanup) |
|
756 | 771 | ip.input_transformer_manager.line_transforms.append(count_line_t) |
|
757 | 772 | |
|
758 | 773 | ip.run_cell('1') |
|
759 | 774 | |
|
760 | 775 | assert cleanup == 1 |
|
761 | 776 | assert line_t == 1 |
|
762 | 777 | |
|
763 | 778 | class IntegerWrapper(ast.NodeTransformer): |
|
764 | 779 | """Wraps all integers in a call to Integer()""" |
|
765 | 780 | |
|
766 | 781 | # for Python 3.7 and earlier |
|
767 | 782 | |
|
768 | 783 | # for Python 3.7 and earlier |
|
769 | 784 | def visit_Num(self, node): |
|
770 | 785 | if isinstance(node.n, int): |
|
771 | 786 | return ast.Call(func=ast.Name(id='Integer', ctx=ast.Load()), |
|
772 | 787 | args=[node], keywords=[]) |
|
773 | 788 | return node |
|
774 | 789 | |
|
775 | 790 | # For Python 3.8+ |
|
776 | 791 | def visit_Constant(self, node): |
|
777 | 792 | if isinstance(node.value, int): |
|
778 | 793 | return self.visit_Num(node) |
|
779 | 794 | return node |
|
780 | 795 | |
|
781 | 796 | |
|
782 | 797 | class TestAstTransform2(unittest.TestCase): |
|
783 | 798 | def setUp(self): |
|
784 | 799 | self.intwrapper = IntegerWrapper() |
|
785 | 800 | ip.ast_transformers.append(self.intwrapper) |
|
786 | 801 | |
|
787 | 802 | self.calls = [] |
|
788 | 803 | def Integer(*args): |
|
789 | 804 | self.calls.append(args) |
|
790 | 805 | return args |
|
791 | 806 | ip.push({"Integer": Integer}) |
|
792 | 807 | |
|
793 | 808 | def tearDown(self): |
|
794 | 809 | ip.ast_transformers.remove(self.intwrapper) |
|
795 | 810 | del ip.user_ns['Integer'] |
|
796 | 811 | |
|
797 | 812 | def test_run_cell(self): |
|
798 | 813 | ip.run_cell("n = 2") |
|
799 | 814 | self.assertEqual(self.calls, [(2,)]) |
|
800 | 815 | |
|
801 | 816 | # This shouldn't throw an error |
|
802 | 817 | ip.run_cell("o = 2.0") |
|
803 | 818 | self.assertEqual(ip.user_ns['o'], 2.0) |
|
804 | 819 | |
|
805 | 820 | def test_run_cell_non_int(self): |
|
806 | 821 | ip.run_cell("n = 'a'") |
|
807 | 822 | assert self.calls == [] |
|
808 | 823 | |
|
809 | 824 | def test_timeit(self): |
|
810 | 825 | called = set() |
|
811 | 826 | def f(x): |
|
812 | 827 | called.add(x) |
|
813 | 828 | ip.push({'f':f}) |
|
814 | 829 | |
|
815 | 830 | with tt.AssertPrints("std. dev. of"): |
|
816 | 831 | ip.run_line_magic("timeit", "-n1 f(1)") |
|
817 | 832 | self.assertEqual(called, {(1,)}) |
|
818 | 833 | called.clear() |
|
819 | 834 | |
|
820 | 835 | with tt.AssertPrints("std. dev. of"): |
|
821 | 836 | ip.run_cell_magic("timeit", "-n1 f(2)", "f(3)") |
|
822 | 837 | self.assertEqual(called, {(2,), (3,)}) |
|
823 | 838 | |
|
824 | 839 | class ErrorTransformer(ast.NodeTransformer): |
|
825 | 840 | """Throws an error when it sees a number.""" |
|
826 | 841 | |
|
827 | 842 | def visit_Constant(self, node): |
|
828 | 843 | if isinstance(node.value, int): |
|
829 | 844 | raise ValueError("test") |
|
830 | 845 | return node |
|
831 | 846 | |
|
832 | 847 | |
|
833 | 848 | class TestAstTransformError(unittest.TestCase): |
|
834 | 849 | def test_unregistering(self): |
|
835 | 850 | err_transformer = ErrorTransformer() |
|
836 | 851 | ip.ast_transformers.append(err_transformer) |
|
837 | 852 | |
|
838 | 853 | with self.assertWarnsRegex(UserWarning, "It will be unregistered"): |
|
839 | 854 | ip.run_cell("1 + 2") |
|
840 | 855 | |
|
841 | 856 | # This should have been removed. |
|
842 | 857 | self.assertNotIn(err_transformer, ip.ast_transformers) |
|
843 | 858 | |
|
844 | 859 | |
|
845 | 860 | class StringRejector(ast.NodeTransformer): |
|
846 | 861 | """Throws an InputRejected when it sees a string literal. |
|
847 | 862 | |
|
848 | 863 | Used to verify that NodeTransformers can signal that a piece of code should |
|
849 | 864 | not be executed by throwing an InputRejected. |
|
850 | 865 | """ |
|
851 | 866 | |
|
852 | 867 | # 3.8 only |
|
853 | 868 | def visit_Constant(self, node): |
|
854 | 869 | if isinstance(node.value, str): |
|
855 | 870 | raise InputRejected("test") |
|
856 | 871 | return node |
|
857 | 872 | |
|
858 | 873 | |
|
859 | 874 | class TestAstTransformInputRejection(unittest.TestCase): |
|
860 | 875 | |
|
861 | 876 | def setUp(self): |
|
862 | 877 | self.transformer = StringRejector() |
|
863 | 878 | ip.ast_transformers.append(self.transformer) |
|
864 | 879 | |
|
865 | 880 | def tearDown(self): |
|
866 | 881 | ip.ast_transformers.remove(self.transformer) |
|
867 | 882 | |
|
868 | 883 | def test_input_rejection(self): |
|
869 | 884 | """Check that NodeTransformers can reject input.""" |
|
870 | 885 | |
|
871 | 886 | expect_exception_tb = tt.AssertPrints("InputRejected: test") |
|
872 | 887 | expect_no_cell_output = tt.AssertNotPrints("'unsafe'", suppress=False) |
|
873 | 888 | |
|
874 | 889 | # Run the same check twice to verify that the transformer is not |
|
875 | 890 | # disabled after raising. |
|
876 | 891 | with expect_exception_tb, expect_no_cell_output: |
|
877 | 892 | ip.run_cell("'unsafe'") |
|
878 | 893 | |
|
879 | 894 | with expect_exception_tb, expect_no_cell_output: |
|
880 | 895 | res = ip.run_cell("'unsafe'") |
|
881 | 896 | |
|
882 | 897 | self.assertIsInstance(res.error_before_exec, InputRejected) |
|
883 | 898 | |
|
884 | 899 | def test__IPYTHON__(): |
|
885 | 900 | # This shouldn't raise a NameError, that's all |
|
886 | 901 | __IPYTHON__ |
|
887 | 902 | |
|
888 | 903 | |
|
889 | 904 | class DummyRepr(object): |
|
890 | 905 | def __repr__(self): |
|
891 | 906 | return "DummyRepr" |
|
892 | 907 | |
|
893 | 908 | def _repr_html_(self): |
|
894 | 909 | return "<b>dummy</b>" |
|
895 | 910 | |
|
896 | 911 | def _repr_javascript_(self): |
|
897 | 912 | return "console.log('hi');", {'key': 'value'} |
|
898 | 913 | |
|
899 | 914 | |
|
900 | 915 | def test_user_variables(): |
|
901 | 916 | # enable all formatters |
|
902 | 917 | ip.display_formatter.active_types = ip.display_formatter.format_types |
|
903 | 918 | |
|
904 | 919 | ip.user_ns['dummy'] = d = DummyRepr() |
|
905 | 920 | keys = {'dummy', 'doesnotexist'} |
|
906 | 921 | r = ip.user_expressions({ key:key for key in keys}) |
|
907 | 922 | |
|
908 | 923 | assert keys == set(r.keys()) |
|
909 | 924 | dummy = r["dummy"] |
|
910 | 925 | assert {"status", "data", "metadata"} == set(dummy.keys()) |
|
911 | 926 | assert dummy["status"] == "ok" |
|
912 | 927 | data = dummy["data"] |
|
913 | 928 | metadata = dummy["metadata"] |
|
914 | 929 | assert data.get("text/html") == d._repr_html_() |
|
915 | 930 | js, jsmd = d._repr_javascript_() |
|
916 | 931 | assert data.get("application/javascript") == js |
|
917 | 932 | assert metadata.get("application/javascript") == jsmd |
|
918 | 933 | |
|
919 | 934 | dne = r["doesnotexist"] |
|
920 | 935 | assert dne["status"] == "error" |
|
921 | 936 | assert dne["ename"] == "NameError" |
|
922 | 937 | |
|
923 | 938 | # back to text only |
|
924 | 939 | ip.display_formatter.active_types = ['text/plain'] |
|
925 | 940 | |
|
926 | 941 | def test_user_expression(): |
|
927 | 942 | # enable all formatters |
|
928 | 943 | ip.display_formatter.active_types = ip.display_formatter.format_types |
|
929 | 944 | query = { |
|
930 | 945 | 'a' : '1 + 2', |
|
931 | 946 | 'b' : '1/0', |
|
932 | 947 | } |
|
933 | 948 | r = ip.user_expressions(query) |
|
934 | 949 | import pprint |
|
935 | 950 | pprint.pprint(r) |
|
936 | 951 | assert set(r.keys()) == set(query.keys()) |
|
937 | 952 | a = r["a"] |
|
938 | 953 | assert {"status", "data", "metadata"} == set(a.keys()) |
|
939 | 954 | assert a["status"] == "ok" |
|
940 | 955 | data = a["data"] |
|
941 | 956 | metadata = a["metadata"] |
|
942 | 957 | assert data.get("text/plain") == "3" |
|
943 | 958 | |
|
944 | 959 | b = r["b"] |
|
945 | 960 | assert b["status"] == "error" |
|
946 | 961 | assert b["ename"] == "ZeroDivisionError" |
|
947 | 962 | |
|
948 | 963 | # back to text only |
|
949 | 964 | ip.display_formatter.active_types = ['text/plain'] |
|
950 | 965 | |
|
951 | 966 | |
|
952 | 967 | class TestSyntaxErrorTransformer(unittest.TestCase): |
|
953 | 968 | """Check that SyntaxError raised by an input transformer is handled by run_cell()""" |
|
954 | 969 | |
|
955 | 970 | @staticmethod |
|
956 | 971 | def transformer(lines): |
|
957 | 972 | for line in lines: |
|
958 | 973 | pos = line.find('syntaxerror') |
|
959 | 974 | if pos >= 0: |
|
960 | 975 | e = SyntaxError('input contains "syntaxerror"') |
|
961 | 976 | e.text = line |
|
962 | 977 | e.offset = pos + 1 |
|
963 | 978 | raise e |
|
964 | 979 | return lines |
|
965 | 980 | |
|
966 | 981 | def setUp(self): |
|
967 | 982 | ip.input_transformers_post.append(self.transformer) |
|
968 | 983 | |
|
969 | 984 | def tearDown(self): |
|
970 | 985 | ip.input_transformers_post.remove(self.transformer) |
|
971 | 986 | |
|
972 | 987 | def test_syntaxerror_input_transformer(self): |
|
973 | 988 | with tt.AssertPrints('1234'): |
|
974 | 989 | ip.run_cell('1234') |
|
975 | 990 | with tt.AssertPrints('SyntaxError: invalid syntax'): |
|
976 | 991 | ip.run_cell('1 2 3') # plain python syntax error |
|
977 | 992 | with tt.AssertPrints('SyntaxError: input contains "syntaxerror"'): |
|
978 | 993 | ip.run_cell('2345 # syntaxerror') # input transformer syntax error |
|
979 | 994 | with tt.AssertPrints('3456'): |
|
980 | 995 | ip.run_cell('3456') |
|
981 | 996 | |
|
982 | 997 | |
|
983 | 998 | class TestWarningSuppression(unittest.TestCase): |
|
984 | 999 | def test_warning_suppression(self): |
|
985 | 1000 | ip.run_cell("import warnings") |
|
986 | 1001 | try: |
|
987 | 1002 | with self.assertWarnsRegex(UserWarning, "asdf"): |
|
988 | 1003 | ip.run_cell("warnings.warn('asdf')") |
|
989 | 1004 | # Here's the real test -- if we run that again, we should get the |
|
990 | 1005 | # warning again. Traditionally, each warning was only issued once per |
|
991 | 1006 | # IPython session (approximately), even if the user typed in new and |
|
992 | 1007 | # different code that should have also triggered the warning, leading |
|
993 | 1008 | # to much confusion. |
|
994 | 1009 | with self.assertWarnsRegex(UserWarning, "asdf"): |
|
995 | 1010 | ip.run_cell("warnings.warn('asdf')") |
|
996 | 1011 | finally: |
|
997 | 1012 | ip.run_cell("del warnings") |
|
998 | 1013 | |
|
999 | 1014 | |
|
1000 | 1015 | def test_deprecation_warning(self): |
|
1001 | 1016 | ip.run_cell(""" |
|
1002 | 1017 | import warnings |
|
1003 | 1018 | def wrn(): |
|
1004 | 1019 | warnings.warn( |
|
1005 | 1020 | "I AM A WARNING", |
|
1006 | 1021 | DeprecationWarning |
|
1007 | 1022 | ) |
|
1008 | 1023 | """) |
|
1009 | 1024 | try: |
|
1010 | 1025 | with self.assertWarnsRegex(DeprecationWarning, "I AM A WARNING"): |
|
1011 | 1026 | ip.run_cell("wrn()") |
|
1012 | 1027 | finally: |
|
1013 | 1028 | ip.run_cell("del warnings") |
|
1014 | 1029 | ip.run_cell("del wrn") |
|
1015 | 1030 | |
|
1016 | 1031 | |
|
1017 | 1032 | class TestImportNoDeprecate(tt.TempFileMixin): |
|
1018 | 1033 | |
|
1019 | 1034 | def setUp(self): |
|
1020 | 1035 | """Make a valid python temp file.""" |
|
1021 | 1036 | self.mktmp(""" |
|
1022 | 1037 | import warnings |
|
1023 | 1038 | def wrn(): |
|
1024 | 1039 | warnings.warn( |
|
1025 | 1040 | "I AM A WARNING", |
|
1026 | 1041 | DeprecationWarning |
|
1027 | 1042 | ) |
|
1028 | 1043 | """) |
|
1029 | 1044 | super().setUp() |
|
1030 | 1045 | |
|
1031 | 1046 | def test_no_dep(self): |
|
1032 | 1047 | """ |
|
1033 | 1048 | No deprecation warning should be raised from imported functions |
|
1034 | 1049 | """ |
|
1035 | 1050 | ip.run_cell("from {} import wrn".format(self.fname)) |
|
1036 | 1051 | |
|
1037 | 1052 | with tt.AssertNotPrints("I AM A WARNING"): |
|
1038 | 1053 | ip.run_cell("wrn()") |
|
1039 | 1054 | ip.run_cell("del wrn") |
|
1040 | 1055 | |
|
1041 | 1056 | |
|
1042 | 1057 | def test_custom_exc_count(): |
|
1043 | 1058 | hook = mock.Mock(return_value=None) |
|
1044 | 1059 | ip.set_custom_exc((SyntaxError,), hook) |
|
1045 | 1060 | before = ip.execution_count |
|
1046 | 1061 | ip.run_cell("def foo()", store_history=True) |
|
1047 | 1062 | # restore default excepthook |
|
1048 | 1063 | ip.set_custom_exc((), None) |
|
1049 | 1064 | assert hook.call_count == 1 |
|
1050 | 1065 | assert ip.execution_count == before + 1 |
|
1051 | 1066 | |
|
1052 | 1067 | |
|
1053 | 1068 | def test_run_cell_async(): |
|
1054 | 1069 | ip.run_cell("import asyncio") |
|
1055 | 1070 | coro = ip.run_cell_async("await asyncio.sleep(0.01)\n5") |
|
1056 | 1071 | assert asyncio.iscoroutine(coro) |
|
1057 | 1072 | loop = asyncio.new_event_loop() |
|
1058 | 1073 | result = loop.run_until_complete(coro) |
|
1059 | 1074 | assert isinstance(result, interactiveshell.ExecutionResult) |
|
1060 | 1075 | assert result.result == 5 |
|
1061 | 1076 | |
|
1062 | 1077 | |
|
1063 | 1078 | def test_run_cell_await(): |
|
1064 | 1079 | ip.run_cell("import asyncio") |
|
1065 | 1080 | result = ip.run_cell("await asyncio.sleep(0.01); 10") |
|
1066 | 1081 | assert ip.user_ns["_"] == 10 |
|
1067 | 1082 | |
|
1068 | 1083 | |
|
1069 | 1084 | def test_run_cell_asyncio_run(): |
|
1070 | 1085 | ip.run_cell("import asyncio") |
|
1071 | 1086 | result = ip.run_cell("await asyncio.sleep(0.01); 1") |
|
1072 | 1087 | assert ip.user_ns["_"] == 1 |
|
1073 | 1088 | result = ip.run_cell("asyncio.run(asyncio.sleep(0.01)); 2") |
|
1074 | 1089 | assert ip.user_ns["_"] == 2 |
|
1075 | 1090 | result = ip.run_cell("await asyncio.sleep(0.01); 3") |
|
1076 | 1091 | assert ip.user_ns["_"] == 3 |
|
1077 | 1092 | |
|
1078 | 1093 | |
|
1079 | 1094 | def test_should_run_async(): |
|
1080 | 1095 | assert not ip.should_run_async("a = 5") |
|
1081 | 1096 | assert ip.should_run_async("await x") |
|
1082 | 1097 | assert ip.should_run_async("import asyncio; await asyncio.sleep(1)") |
|
1083 | 1098 | |
|
1084 | 1099 | |
|
1085 | 1100 | def test_set_custom_completer(): |
|
1086 | 1101 | num_completers = len(ip.Completer.matchers) |
|
1087 | 1102 | |
|
1088 | 1103 | def foo(*args, **kwargs): |
|
1089 | 1104 | return "I'm a completer!" |
|
1090 | 1105 | |
|
1091 | 1106 | ip.set_custom_completer(foo, 0) |
|
1092 | 1107 | |
|
1093 | 1108 | # check that we've really added a new completer |
|
1094 | 1109 | assert len(ip.Completer.matchers) == num_completers + 1 |
|
1095 | 1110 | |
|
1096 | 1111 | # check that the first completer is the function we defined |
|
1097 | 1112 | assert ip.Completer.matchers[0]() == "I'm a completer!" |
|
1098 | 1113 | |
|
1099 | 1114 | # clean up |
|
1100 | 1115 | ip.Completer.custom_matchers.pop() |
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