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@@ -1,408 +1,408 b'' | |||
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1 | 1 | # encoding: utf-8 |
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2 | 2 | """Tests for IPython.core.ultratb |
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3 | 3 | """ |
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4 | 4 | import io |
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5 | 5 | import logging |
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6 | 6 | import re |
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7 | 7 | import sys |
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8 | 8 | import os.path |
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9 | 9 | from textwrap import dedent |
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10 | 10 | import traceback |
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11 | 11 | import unittest |
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12 | 12 | |
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13 | 13 | from IPython.core.ultratb import ColorTB, VerboseTB |
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14 | 14 | |
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15 | 15 | |
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16 | 16 | from IPython.testing import tools as tt |
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17 | 17 | from IPython.testing.decorators import onlyif_unicode_paths |
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18 | 18 | from IPython.utils.syspathcontext import prepended_to_syspath |
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19 | 19 | from IPython.utils.tempdir import TemporaryDirectory |
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20 | 20 | |
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21 | 21 | file_1 = """1 |
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22 | 22 | 2 |
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23 | 23 | 3 |
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24 | 24 | def f(): |
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25 | 25 | 1/0 |
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26 | 26 | """ |
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27 | 27 | |
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28 | 28 | file_2 = """def f(): |
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29 | 29 | 1/0 |
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30 | 30 | """ |
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31 | 31 | |
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32 | 32 | |
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33 | 33 | def recursionlimit(frames): |
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34 | 34 | """ |
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35 | 35 | decorator to set the recursion limit temporarily |
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36 | 36 | """ |
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37 | 37 | |
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38 | 38 | def inner(test_function): |
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39 | 39 | def wrapper(*args, **kwargs): |
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40 | 40 | rl = sys.getrecursionlimit() |
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41 | 41 | sys.setrecursionlimit(frames) |
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42 | 42 | try: |
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43 | 43 | return test_function(*args, **kwargs) |
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44 | 44 | finally: |
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45 | 45 | sys.setrecursionlimit(rl) |
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46 | 46 | |
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47 | 47 | return wrapper |
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48 | 48 | |
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49 | 49 | return inner |
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50 | 50 | |
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51 | 51 | |
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52 | 52 | class ChangedPyFileTest(unittest.TestCase): |
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53 | 53 | def test_changing_py_file(self): |
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54 | 54 | """Traceback produced if the line where the error occurred is missing? |
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55 | 55 | |
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56 | 56 | https://github.com/ipython/ipython/issues/1456 |
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57 | 57 | """ |
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58 | 58 | with TemporaryDirectory() as td: |
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59 | 59 | fname = os.path.join(td, "foo.py") |
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60 | 60 | with open(fname, "w") as f: |
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61 | 61 | f.write(file_1) |
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62 | 62 | |
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63 | 63 | with prepended_to_syspath(td): |
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64 | 64 | ip.run_cell("import foo") |
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65 | 65 | |
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66 | 66 | with tt.AssertPrints("ZeroDivisionError"): |
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67 | 67 | ip.run_cell("foo.f()") |
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68 | 68 | |
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69 | 69 | # Make the file shorter, so the line of the error is missing. |
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70 | 70 | with open(fname, "w") as f: |
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71 | 71 | f.write(file_2) |
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72 | 72 | |
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73 | 73 | # For some reason, this was failing on the *second* call after |
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74 | 74 | # changing the file, so we call f() twice. |
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75 | 75 | with tt.AssertNotPrints("Internal Python error", channel='stderr'): |
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76 | 76 | with tt.AssertPrints("ZeroDivisionError"): |
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77 | 77 | ip.run_cell("foo.f()") |
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78 | 78 | with tt.AssertPrints("ZeroDivisionError"): |
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79 | 79 | ip.run_cell("foo.f()") |
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80 | 80 | |
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81 | 81 | iso_8859_5_file = u'''# coding: iso-8859-5 |
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82 | 82 | |
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83 | 83 | def fail(): |
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84 | 84 | """Π΄Π±ΠΠ""" |
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85 | 85 | 1/0 # Π΄Π±ΠΠ |
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86 | 86 | ''' |
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87 | 87 | |
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88 | 88 | class NonAsciiTest(unittest.TestCase): |
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89 | 89 | @onlyif_unicode_paths |
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90 | 90 | def test_nonascii_path(self): |
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91 | 91 | # Non-ascii directory name as well. |
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92 | 92 | with TemporaryDirectory(suffix=u'Γ©') as td: |
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93 | 93 | fname = os.path.join(td, u"fooΓ©.py") |
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94 | 94 | with open(fname, "w") as f: |
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95 | 95 | f.write(file_1) |
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96 | 96 | |
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97 | 97 | with prepended_to_syspath(td): |
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98 | 98 | ip.run_cell("import foo") |
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99 | 99 | |
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100 | 100 | with tt.AssertPrints("ZeroDivisionError"): |
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101 | 101 | ip.run_cell("foo.f()") |
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102 | 102 | |
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103 | 103 | def test_iso8859_5(self): |
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104 | 104 | with TemporaryDirectory() as td: |
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105 | 105 | fname = os.path.join(td, 'dfghjkl.py') |
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106 | 106 | |
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107 | 107 | with io.open(fname, 'w', encoding='iso-8859-5') as f: |
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108 | 108 | f.write(iso_8859_5_file) |
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109 | 109 | |
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110 | 110 | with prepended_to_syspath(td): |
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111 | 111 | ip.run_cell("from dfghjkl import fail") |
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112 | 112 | |
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113 | 113 | with tt.AssertPrints("ZeroDivisionError"): |
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114 | 114 | with tt.AssertPrints(u'Π΄Π±ΠΠ', suppress=False): |
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115 | 115 | ip.run_cell('fail()') |
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116 | 116 | |
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117 | 117 | def test_nonascii_msg(self): |
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118 | 118 | cell = u"raise Exception('Γ©')" |
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119 | 119 | expected = u"Exception('Γ©')" |
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120 | 120 | ip.run_cell("%xmode plain") |
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121 | 121 | with tt.AssertPrints(expected): |
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122 | 122 | ip.run_cell(cell) |
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123 | 123 | |
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124 | 124 | ip.run_cell("%xmode verbose") |
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125 | 125 | with tt.AssertPrints(expected): |
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126 | 126 | ip.run_cell(cell) |
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127 | 127 | |
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128 | 128 | ip.run_cell("%xmode context") |
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129 | 129 | with tt.AssertPrints(expected): |
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130 | 130 | ip.run_cell(cell) |
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131 | 131 | |
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132 | 132 | ip.run_cell("%xmode minimal") |
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133 | 133 | with tt.AssertPrints(u"Exception: Γ©"): |
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134 | 134 | ip.run_cell(cell) |
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135 | 135 | |
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136 | 136 | # Put this back into Context mode for later tests. |
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137 | 137 | ip.run_cell("%xmode context") |
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138 | 138 | |
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139 | 139 | class NestedGenExprTestCase(unittest.TestCase): |
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140 | 140 | """ |
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141 | 141 | Regression test for the following issues: |
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142 | 142 | https://github.com/ipython/ipython/issues/8293 |
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143 | 143 | https://github.com/ipython/ipython/issues/8205 |
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144 | 144 | """ |
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145 | 145 | def test_nested_genexpr(self): |
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146 | 146 | code = dedent( |
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147 | 147 | """\ |
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148 | 148 | class SpecificException(Exception): |
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149 | 149 | pass |
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150 | 150 | |
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151 | 151 | def foo(x): |
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152 | 152 | raise SpecificException("Success!") |
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153 | 153 | |
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154 | 154 | sum(sum(foo(x) for _ in [0]) for x in [0]) |
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155 | 155 | """ |
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156 | 156 | ) |
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157 | 157 | with tt.AssertPrints('SpecificException: Success!', suppress=False): |
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158 | 158 | ip.run_cell(code) |
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159 | 159 | |
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160 | 160 | |
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161 | 161 | indentationerror_file = """if True: |
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162 | 162 | zoon() |
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163 | 163 | """ |
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164 | 164 | |
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165 | 165 | class IndentationErrorTest(unittest.TestCase): |
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166 | 166 | def test_indentationerror_shows_line(self): |
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167 | 167 | # See issue gh-2398 |
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168 | 168 | with tt.AssertPrints("IndentationError"): |
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169 | 169 | with tt.AssertPrints("zoon()", suppress=False): |
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170 | 170 | ip.run_cell(indentationerror_file) |
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171 | 171 | |
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172 | 172 | with TemporaryDirectory() as td: |
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173 | 173 | fname = os.path.join(td, "foo.py") |
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174 | 174 | with open(fname, "w") as f: |
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175 | 175 | f.write(indentationerror_file) |
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176 | 176 | |
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177 | 177 | with tt.AssertPrints("IndentationError"): |
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178 | 178 | with tt.AssertPrints("zoon()", suppress=False): |
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179 | 179 | ip.magic('run %s' % fname) |
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180 | 180 | |
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181 | 181 | se_file_1 = """1 |
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182 | 182 | 2 |
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183 | 183 | 7/ |
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184 | 184 | """ |
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185 | 185 | |
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186 | 186 | se_file_2 = """7/ |
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187 | 187 | """ |
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188 | 188 | |
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189 | 189 | class SyntaxErrorTest(unittest.TestCase): |
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190 | 190 | def test_syntaxerror_without_lineno(self): |
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191 | 191 | with tt.AssertNotPrints("TypeError"): |
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192 | 192 | with tt.AssertPrints("line unknown"): |
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193 | 193 | ip.run_cell("raise SyntaxError()") |
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194 | 194 | |
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195 | 195 | def test_syntaxerror_no_stacktrace_at_compile_time(self): |
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196 | 196 | syntax_error_at_compile_time = """ |
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197 | 197 | def foo(): |
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198 | 198 | .. |
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199 | 199 | """ |
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200 | 200 | with tt.AssertPrints("SyntaxError"): |
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201 | 201 | ip.run_cell(syntax_error_at_compile_time) |
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202 | 202 | |
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203 | 203 | with tt.AssertNotPrints("foo()"): |
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204 | 204 | ip.run_cell(syntax_error_at_compile_time) |
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205 | 205 | |
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206 | 206 | def test_syntaxerror_stacktrace_when_running_compiled_code(self): |
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207 | 207 | syntax_error_at_runtime = """ |
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208 | 208 | def foo(): |
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209 | 209 | eval("..") |
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210 | 210 | |
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211 | 211 | def bar(): |
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212 | 212 | foo() |
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213 | 213 | |
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214 | 214 | bar() |
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215 | 215 | """ |
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216 | 216 | with tt.AssertPrints("SyntaxError"): |
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217 | 217 | ip.run_cell(syntax_error_at_runtime) |
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218 | 218 | # Assert syntax error during runtime generate stacktrace |
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219 | 219 | with tt.AssertPrints(["foo()", "bar()"]): |
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220 | 220 | ip.run_cell(syntax_error_at_runtime) |
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221 | 221 | del ip.user_ns['bar'] |
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222 | 222 | del ip.user_ns['foo'] |
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223 | 223 | |
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224 | 224 | def test_changing_py_file(self): |
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225 | 225 | with TemporaryDirectory() as td: |
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226 | 226 | fname = os.path.join(td, "foo.py") |
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227 | 227 | with open(fname, 'w') as f: |
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228 | 228 | f.write(se_file_1) |
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229 | 229 | |
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230 | 230 | with tt.AssertPrints(["7/", "SyntaxError"]): |
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231 | 231 | ip.magic("run " + fname) |
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232 | 232 | |
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233 | 233 | # Modify the file |
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234 | 234 | with open(fname, 'w') as f: |
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235 | 235 | f.write(se_file_2) |
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236 | 236 | |
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237 | 237 | # The SyntaxError should point to the correct line |
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238 | 238 | with tt.AssertPrints(["7/", "SyntaxError"]): |
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239 | 239 | ip.magic("run " + fname) |
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240 | 240 | |
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241 | 241 | def test_non_syntaxerror(self): |
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242 | 242 | # SyntaxTB may be called with an error other than a SyntaxError |
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243 | 243 | # See e.g. gh-4361 |
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244 | 244 | try: |
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245 | 245 | raise ValueError('QWERTY') |
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246 | 246 | except ValueError: |
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247 | 247 | with tt.AssertPrints('QWERTY'): |
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248 | 248 | ip.showsyntaxerror() |
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249 | 249 | |
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250 | 250 | |
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251 | 251 | class MemoryErrorTest(unittest.TestCase): |
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252 | 252 | def test_memoryerror(self): |
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253 | 253 | memoryerror_code = "(" * 200 + ")" * 200 |
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254 | 254 | with tt.AssertPrints("MemoryError"): |
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255 | 255 | ip.run_cell(memoryerror_code) |
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256 | 256 | |
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257 | 257 | |
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258 | 258 | class Python3ChainedExceptionsTest(unittest.TestCase): |
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259 | 259 | DIRECT_CAUSE_ERROR_CODE = """ |
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260 | 260 | try: |
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261 | 261 | x = 1 + 2 |
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262 | 262 | print(not_defined_here) |
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263 | 263 | except Exception as e: |
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264 | 264 | x += 55 |
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265 | 265 | x - 1 |
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266 | 266 | y = {} |
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267 | 267 | raise KeyError('uh') from e |
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268 | 268 | """ |
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269 | 269 | |
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270 | 270 | EXCEPTION_DURING_HANDLING_CODE = """ |
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271 | 271 | try: |
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272 | 272 | x = 1 + 2 |
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273 | 273 | print(not_defined_here) |
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274 | 274 | except Exception as e: |
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275 | 275 | x += 55 |
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276 | 276 | x - 1 |
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277 | 277 | y = {} |
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278 | 278 | raise KeyError('uh') |
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279 | 279 | """ |
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280 | 280 | |
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281 | 281 | SUPPRESS_CHAINING_CODE = """ |
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282 | 282 | try: |
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283 | 283 | 1/0 |
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284 | 284 | except Exception: |
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285 | 285 | raise ValueError("Yikes") from None |
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286 | 286 | """ |
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287 | 287 | |
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288 | 288 | def test_direct_cause_error(self): |
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289 | 289 | with tt.AssertPrints(["KeyError", "NameError", "direct cause"]): |
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290 | 290 | ip.run_cell(self.DIRECT_CAUSE_ERROR_CODE) |
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291 | 291 | |
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292 | 292 | def test_exception_during_handling_error(self): |
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293 | 293 | with tt.AssertPrints(["KeyError", "NameError", "During handling"]): |
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294 | 294 | ip.run_cell(self.EXCEPTION_DURING_HANDLING_CODE) |
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295 | 295 | |
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296 | 296 | def test_suppress_exception_chaining(self): |
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297 | 297 | with tt.AssertNotPrints("ZeroDivisionError"), \ |
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298 | 298 | tt.AssertPrints("ValueError", suppress=False): |
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299 | 299 | ip.run_cell(self.SUPPRESS_CHAINING_CODE) |
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300 | 300 | |
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301 | 301 | def test_plain_direct_cause_error(self): |
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302 | 302 | with tt.AssertPrints(["KeyError", "NameError", "direct cause"]): |
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303 | 303 | ip.run_cell("%xmode Plain") |
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304 | 304 | ip.run_cell(self.DIRECT_CAUSE_ERROR_CODE) |
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305 | 305 | ip.run_cell("%xmode Verbose") |
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306 | 306 | |
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307 | 307 | def test_plain_exception_during_handling_error(self): |
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308 | 308 | with tt.AssertPrints(["KeyError", "NameError", "During handling"]): |
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309 | 309 | ip.run_cell("%xmode Plain") |
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310 | 310 | ip.run_cell(self.EXCEPTION_DURING_HANDLING_CODE) |
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311 | 311 | ip.run_cell("%xmode Verbose") |
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312 | 312 | |
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313 | 313 | def test_plain_suppress_exception_chaining(self): |
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314 | 314 | with tt.AssertNotPrints("ZeroDivisionError"), \ |
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315 | 315 | tt.AssertPrints("ValueError", suppress=False): |
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316 | 316 | ip.run_cell("%xmode Plain") |
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317 | 317 | ip.run_cell(self.SUPPRESS_CHAINING_CODE) |
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318 | 318 | ip.run_cell("%xmode Verbose") |
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319 | 319 | |
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320 | 320 | |
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321 | 321 | class RecursionTest(unittest.TestCase): |
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322 | 322 | DEFINITIONS = """ |
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323 | 323 | def non_recurs(): |
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324 | 324 | 1/0 |
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325 | 325 | |
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326 | 326 | def r1(): |
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327 | 327 | r1() |
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328 | 328 | |
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329 | 329 | def r3a(): |
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330 | 330 | r3b() |
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331 | 331 | |
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332 | 332 | def r3b(): |
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333 | 333 | r3c() |
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334 | 334 | |
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335 | 335 | def r3c(): |
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336 | 336 | r3a() |
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337 | 337 | |
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338 | 338 | def r3o1(): |
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339 | 339 | r3a() |
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340 | 340 | |
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341 | 341 | def r3o2(): |
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342 | 342 | r3o1() |
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343 | 343 | """ |
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344 | 344 | def setUp(self): |
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345 | 345 | ip.run_cell(self.DEFINITIONS) |
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346 | 346 | |
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347 | 347 | def test_no_recursion(self): |
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348 | 348 | with tt.AssertNotPrints("skipping similar frames"): |
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349 | 349 | ip.run_cell("non_recurs()") |
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350 | 350 | |
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351 |
@recursionlimit( |
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351 | @recursionlimit(200) | |
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352 | 352 | def test_recursion_one_frame(self): |
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353 | 353 | with tt.AssertPrints(re.compile( |
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354 | r"\[\.\.\. skipping similar frames: r1 at line 5 \(\d{2} times\)\]") | |
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354 | r"\[\.\.\. skipping similar frames: r1 at line 5 \(\d{2,3} times\)\]") | |
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355 | 355 | ): |
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356 | 356 | ip.run_cell("r1()") |
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357 | 357 | |
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358 |
@recursionlimit( |
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358 | @recursionlimit(200) | |
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359 | 359 | def test_recursion_three_frames(self): |
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360 | 360 | with tt.AssertPrints("[... skipping similar frames: "), \ |
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361 | 361 | tt.AssertPrints(re.compile(r"r3a at line 8 \(\d{2} times\)"), suppress=False), \ |
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362 | 362 | tt.AssertPrints(re.compile(r"r3b at line 11 \(\d{2} times\)"), suppress=False), \ |
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363 | 363 | tt.AssertPrints(re.compile(r"r3c at line 14 \(\d{2} times\)"), suppress=False): |
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364 | 364 | ip.run_cell("r3o2()") |
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365 | 365 | |
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366 | 366 | |
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367 | 367 | #---------------------------------------------------------------------------- |
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368 | 368 | |
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369 | 369 | # module testing (minimal) |
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370 | 370 | def test_handlers(): |
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371 | 371 | def spam(c, d_e): |
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372 | 372 | (d, e) = d_e |
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373 | 373 | x = c + d |
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374 | 374 | y = c * d |
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375 | 375 | foo(x, y) |
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376 | 376 | |
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377 | 377 | def foo(a, b, bar=1): |
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378 | 378 | eggs(a, b + bar) |
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379 | 379 | |
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380 | 380 | def eggs(f, g, z=globals()): |
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381 | 381 | h = f + g |
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382 | 382 | i = f - g |
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383 | 383 | return h / i |
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384 | 384 | |
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385 | 385 | buff = io.StringIO() |
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386 | 386 | |
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387 | 387 | buff.write('') |
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388 | 388 | buff.write('*** Before ***') |
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389 | 389 | try: |
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390 | 390 | buff.write(spam(1, (2, 3))) |
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391 | 391 | except: |
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392 | 392 | traceback.print_exc(file=buff) |
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393 | 393 | |
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394 | 394 | handler = ColorTB(ostream=buff) |
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395 | 395 | buff.write('*** ColorTB ***') |
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396 | 396 | try: |
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397 | 397 | buff.write(spam(1, (2, 3))) |
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398 | 398 | except: |
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399 | 399 | handler(*sys.exc_info()) |
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400 | 400 | buff.write('') |
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401 | 401 | |
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402 | 402 | handler = VerboseTB(ostream=buff) |
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403 | 403 | buff.write('*** VerboseTB ***') |
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404 | 404 | try: |
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405 | 405 | buff.write(spam(1, (2, 3))) |
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406 | 406 | except: |
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407 | 407 | handler(*sys.exc_info()) |
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408 | 408 | buff.write('') |
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