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@@ -1,301 +1,357 b'' | |||
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1 | 1 | """Tests for various magic functions. |
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2 | 2 | |
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3 | 3 | Needs to be run by nose (to make ipython session available). |
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4 | 4 | """ |
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5 | 5 | from __future__ import absolute_import |
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6 | 6 | |
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7 | 7 | #----------------------------------------------------------------------------- |
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8 | 8 | # Imports |
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9 | 9 | #----------------------------------------------------------------------------- |
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10 | 10 | |
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11 | 11 | import os |
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12 | 12 | import sys |
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13 | 13 | import tempfile |
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14 | 14 | import types |
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15 | 15 | from cStringIO import StringIO |
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16 | 16 | |
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17 | 17 | import nose.tools as nt |
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18 | 18 | |
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19 | 19 | from IPython.utils.path import get_long_path_name |
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20 | 20 | from IPython.testing import decorators as dec |
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21 | 21 | from IPython.testing import tools as tt |
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22 | 22 | |
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23 | 23 | #----------------------------------------------------------------------------- |
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24 | 24 | # Test functions begin |
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25 | 25 | #----------------------------------------------------------------------------- |
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26 | 26 | def test_rehashx(): |
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27 | 27 | # clear up everything |
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28 | 28 | _ip = get_ipython() |
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29 | 29 | _ip.alias_manager.alias_table.clear() |
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30 | 30 | del _ip.db['syscmdlist'] |
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31 | 31 | |
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32 | 32 | _ip.magic('rehashx') |
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33 | 33 | # Practically ALL ipython development systems will have more than 10 aliases |
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34 | 34 | |
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35 | 35 | yield (nt.assert_true, len(_ip.alias_manager.alias_table) > 10) |
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36 | 36 | for key, val in _ip.alias_manager.alias_table.items(): |
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37 | 37 | # we must strip dots from alias names |
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38 | 38 | nt.assert_true('.' not in key) |
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39 | 39 | |
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40 | 40 | # rehashx must fill up syscmdlist |
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41 | 41 | scoms = _ip.db['syscmdlist'] |
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42 | 42 | yield (nt.assert_true, len(scoms) > 10) |
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43 | 43 | |
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44 | 44 | |
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45 | 45 | def test_magic_parse_options(): |
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46 | 46 | """Test that we don't mangle paths when parsing magic options.""" |
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47 | 47 | ip = get_ipython() |
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48 | 48 | path = 'c:\\x' |
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49 | 49 | opts = ip.parse_options('-f %s' % path,'f:')[0] |
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50 | 50 | # argv splitting is os-dependent |
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51 | 51 | if os.name == 'posix': |
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52 | 52 | expected = 'c:x' |
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53 | 53 | else: |
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54 | 54 | expected = path |
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55 | 55 | nt.assert_equals(opts['f'], expected) |
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56 | 56 | |
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57 | 57 | |
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58 | 58 | def doctest_hist_f(): |
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59 | 59 | """Test %hist -f with temporary filename. |
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60 | 60 | |
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61 | 61 | In [9]: import tempfile |
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62 | 62 | |
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63 | 63 | In [10]: tfile = tempfile.mktemp('.py','tmp-ipython-') |
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64 | 64 | |
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65 | 65 | In [11]: %hist -n -f $tfile 3 |
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66 | 66 | |
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67 | 67 | In [13]: import os; os.unlink(tfile) |
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68 | 68 | """ |
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69 | 69 | |
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70 | 70 | |
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71 | 71 | def doctest_hist_r(): |
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72 | 72 | """Test %hist -r |
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73 | 73 | |
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74 | 74 | XXX - This test is not recording the output correctly. For some reason, in |
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75 | 75 | testing mode the raw history isn't getting populated. No idea why. |
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76 | 76 | Disabling the output checking for now, though at least we do run it. |
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77 | 77 | |
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78 | 78 | In [1]: 'hist' in _ip.lsmagic() |
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79 | 79 | Out[1]: True |
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80 | 80 | |
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81 | 81 | In [2]: x=1 |
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82 | 82 | |
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83 | 83 | In [3]: %hist -r 2 |
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84 | 84 | x=1 # random |
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85 | 85 | %hist -r 2 |
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86 | 86 | """ |
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87 | 87 | |
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88 | 88 | def doctest_hist_op(): |
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89 | 89 | """Test %hist -op |
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90 | 90 | |
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91 | 91 | In [1]: class b: |
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92 | 92 | ...: pass |
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93 | 93 | ...: |
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94 | 94 | |
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95 | 95 | In [2]: class s(b): |
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96 | 96 | ...: def __str__(self): |
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97 | 97 | ...: return 's' |
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98 | 98 | ...: |
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99 | 99 | |
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100 | 100 | In [3]: |
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101 | 101 | |
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102 | 102 | In [4]: class r(b): |
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103 | 103 | ...: def __repr__(self): |
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104 | 104 | ...: return 'r' |
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105 | 105 | ...: |
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106 | 106 | |
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107 | 107 | In [5]: class sr(s,r): pass |
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108 | 108 | ...: |
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109 | 109 | |
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110 | 110 | In [6]: |
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111 | 111 | |
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112 | 112 | In [7]: bb=b() |
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113 | 113 | |
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114 | 114 | In [8]: ss=s() |
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115 | 115 | |
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116 | 116 | In [9]: rr=r() |
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117 | 117 | |
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118 | 118 | In [10]: ssrr=sr() |
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119 | 119 | |
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120 | 120 | In [11]: bb |
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121 | 121 | Out[11]: <...b instance at ...> |
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122 | 122 | |
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123 | 123 | In [12]: ss |
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124 | 124 | Out[12]: <...s instance at ...> |
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125 | 125 | |
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126 | 126 | In [13]: |
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127 | 127 | |
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128 | 128 | In [14]: %hist -op |
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129 | 129 | >>> class b: |
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130 | 130 | ... pass |
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131 | 131 | ... |
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132 | 132 | >>> class s(b): |
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133 | 133 | ... def __str__(self): |
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134 | 134 | ... return 's' |
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135 | 135 | ... |
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136 | 136 | >>> |
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137 | 137 | >>> class r(b): |
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138 | 138 | ... def __repr__(self): |
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139 | 139 | ... return 'r' |
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140 | 140 | ... |
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141 | 141 | >>> class sr(s,r): pass |
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142 | 142 | >>> |
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143 | 143 | >>> bb=b() |
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144 | 144 | >>> ss=s() |
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145 | 145 | >>> rr=r() |
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146 | 146 | >>> ssrr=sr() |
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147 | 147 | >>> bb |
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148 | 148 | <...b instance at ...> |
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149 | 149 | >>> ss |
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150 | 150 | <...s instance at ...> |
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151 | 151 | >>> |
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152 | 152 | """ |
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153 | 153 | |
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154 | 154 | def test_shist(): |
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155 | 155 | # Simple tests of ShadowHist class - test generator. |
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156 | 156 | import os, shutil, tempfile |
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157 | 157 | |
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158 | 158 | from IPython.utils import pickleshare |
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159 | 159 | from IPython.core.history import ShadowHist |
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160 | 160 | |
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161 | 161 | tfile = tempfile.mktemp('','tmp-ipython-') |
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162 | 162 | |
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163 | 163 | db = pickleshare.PickleShareDB(tfile) |
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164 | 164 | s = ShadowHist(db) |
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165 | 165 | s.add('hello') |
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166 | 166 | s.add('world') |
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167 | 167 | s.add('hello') |
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168 | 168 | s.add('hello') |
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169 | 169 | s.add('karhu') |
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170 | 170 | |
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171 | 171 | yield nt.assert_equals,s.all(),[(1, 'hello'), (2, 'world'), (3, 'karhu')] |
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172 | 172 | |
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173 | 173 | yield nt.assert_equal,s.get(2),'world' |
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174 | 174 | |
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175 | 175 | shutil.rmtree(tfile) |
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176 | 176 | |
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177 | 177 | |
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178 | 178 | # XXX failing for now, until we get clearcmd out of quarantine. But we should |
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179 | 179 | # fix this and revert the skip to happen only if numpy is not around. |
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180 | 180 | #@dec.skipif_not_numpy |
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181 | 181 | @dec.skipknownfailure |
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182 | 182 | def test_numpy_clear_array_undec(): |
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183 | 183 | from IPython.extensions import clearcmd |
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184 | 184 | |
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185 | 185 | _ip.ex('import numpy as np') |
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186 | 186 | _ip.ex('a = np.empty(2)') |
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187 | 187 | yield (nt.assert_true, 'a' in _ip.user_ns) |
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188 | 188 | _ip.magic('clear array') |
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189 | 189 | yield (nt.assert_false, 'a' in _ip.user_ns) |
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190 | 190 | |
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191 | 191 | |
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192 | 192 | # Multiple tests for clipboard pasting |
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193 | 193 | @dec.parametric |
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194 | 194 | def test_paste(): |
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195 | 195 | _ip = get_ipython() |
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196 | 196 | def paste(txt, flags='-q'): |
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197 | 197 | """Paste input text, by default in quiet mode""" |
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198 | 198 | hooks.clipboard_get = lambda : txt |
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199 | 199 | _ip.magic('paste '+flags) |
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200 | 200 | |
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201 | 201 | # Inject fake clipboard hook but save original so we can restore it later |
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202 | 202 | hooks = _ip.hooks |
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203 | 203 | user_ns = _ip.user_ns |
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204 | 204 | original_clip = hooks.clipboard_get |
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205 | 205 | |
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206 | 206 | try: |
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207 | 207 | # This try/except with an emtpy except clause is here only because |
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208 | 208 | # try/yield/finally is invalid syntax in Python 2.4. This will be |
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209 | 209 | # removed when we drop 2.4-compatibility, and the emtpy except below |
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210 | 210 | # will be changed to a finally. |
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211 | 211 | |
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212 | 212 | # Run tests with fake clipboard function |
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213 | 213 | user_ns.pop('x', None) |
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214 | 214 | paste('x=1') |
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215 | 215 | yield nt.assert_equal(user_ns['x'], 1) |
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216 | 216 | |
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217 | 217 | user_ns.pop('x', None) |
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218 | 218 | paste('>>> x=2') |
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219 | 219 | yield nt.assert_equal(user_ns['x'], 2) |
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220 | 220 | |
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221 | 221 | paste(""" |
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222 | 222 | >>> x = [1,2,3] |
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223 | 223 | >>> y = [] |
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224 | 224 | >>> for i in x: |
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225 | 225 | ... y.append(i**2) |
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226 | 226 | ... |
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227 | 227 | """) |
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228 | 228 | yield nt.assert_equal(user_ns['x'], [1,2,3]) |
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229 | 229 | yield nt.assert_equal(user_ns['y'], [1,4,9]) |
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230 | 230 | |
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231 | 231 | # Now, test that paste -r works |
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232 | 232 | user_ns.pop('x', None) |
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233 | 233 | yield nt.assert_false('x' in user_ns) |
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234 | 234 | _ip.magic('paste -r') |
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235 | 235 | yield nt.assert_equal(user_ns['x'], [1,2,3]) |
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236 | 236 | |
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237 | 237 | # Also test paste echoing, by temporarily faking the writer |
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238 | 238 | w = StringIO() |
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239 | 239 | writer = _ip.write |
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240 | 240 | _ip.write = w.write |
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241 | 241 | code = """ |
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242 | 242 | a = 100 |
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243 | 243 | b = 200""" |
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244 | 244 | try: |
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245 | 245 | paste(code,'') |
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246 | 246 | out = w.getvalue() |
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247 | 247 | finally: |
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248 | 248 | _ip.write = writer |
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249 | 249 | yield nt.assert_equal(user_ns['a'], 100) |
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250 | 250 | yield nt.assert_equal(user_ns['b'], 200) |
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251 | 251 | yield nt.assert_equal(out, code+"\n## -- End pasted text --\n") |
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252 | 252 | |
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253 | 253 | finally: |
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254 | 254 | # This should be in a finally clause, instead of the bare except above. |
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255 | 255 | # Restore original hook |
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256 | 256 | hooks.clipboard_get = original_clip |
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257 | 257 | |
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258 | 258 | |
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259 | 259 | def test_time(): |
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260 | 260 | _ip.magic('time None') |
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261 | 261 | |
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262 | 262 | |
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263 | 263 | def doctest_time(): |
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264 | 264 | """ |
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265 | 265 | In [10]: %time None |
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266 | 266 | CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s |
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267 | 267 | Wall time: 0.00 s |
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268 | 268 | """ |
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269 | 269 | |
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270 | 270 | |
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271 | 271 | def test_doctest_mode(): |
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272 | 272 | "Toggle doctest_mode twice, it should be a no-op and run without error" |
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273 | 273 | _ip.magic('doctest_mode') |
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274 | 274 | _ip.magic('doctest_mode') |
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275 | 275 | |
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276 | 276 | |
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277 | 277 | def test_parse_options(): |
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278 | 278 | """Tests for basic options parsing in magics.""" |
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279 | 279 | # These are only the most minimal of tests, more should be added later. At |
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280 | 280 | # the very least we check that basic text/unicode calls work OK. |
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281 | 281 | nt.assert_equal(_ip.parse_options('foo', '')[1], 'foo') |
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282 | 282 | nt.assert_equal(_ip.parse_options(u'foo', '')[1], u'foo') |
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283 | 283 | |
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284 | 284 | |
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285 | 285 | def test_dirops(): |
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286 | 286 | """Test various directory handling operations.""" |
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287 | 287 | curpath = lambda :os.path.splitdrive(os.getcwd())[1].replace('\\','/') |
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288 | 288 | |
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289 | 289 | startdir = os.getcwd() |
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290 | 290 | ipdir = _ip.ipython_dir |
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291 | 291 | try: |
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292 | 292 | _ip.magic('cd "%s"' % ipdir) |
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293 | 293 | nt.assert_equal(curpath(), ipdir) |
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294 | 294 | _ip.magic('cd -') |
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295 | 295 | nt.assert_equal(curpath(), startdir) |
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296 | 296 | _ip.magic('pushd "%s"' % ipdir) |
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297 | 297 | nt.assert_equal(curpath(), ipdir) |
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298 | 298 | _ip.magic('popd') |
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299 | 299 | nt.assert_equal(curpath(), startdir) |
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300 | 300 | finally: |
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301 | 301 | os.chdir(startdir) |
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302 | ||
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303 | ||
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304 | def check_cpaste(code, should_fail=False): | |
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305 | """Execute code via 'cpaste' and ensure it was executed, unless | |
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306 | should_fail is set. | |
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307 | """ | |
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308 | _ip.user_ns['code_ran'] = False | |
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309 | ||
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310 | src = StringIO() | |
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311 | src.write('\n') | |
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312 | src.write(code) | |
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313 | src.write('\n--\n') | |
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314 | src.seek(0) | |
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315 | ||
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316 | stdin_save = sys.stdin | |
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317 | sys.stdin = src | |
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318 | ||
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319 | try: | |
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320 | _ip.magic('cpaste') | |
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321 | except: | |
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322 | if not should_fail: | |
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323 | raise AssertionError("Failure not expected : '%s'" % | |
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324 | code) | |
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325 | else: | |
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326 | assert _ip.user_ns['code_ran'] | |
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327 | if should_fail: | |
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328 | raise AssertionError("Failure expected : '%s'" % code) | |
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329 | finally: | |
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330 | sys.stdin = stdin_save | |
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331 | ||
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332 | ||
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333 | def test_cpaste(): | |
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334 | """Test cpaste magic""" | |
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335 | ||
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336 | def run(): | |
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337 | """Marker function: sets a flag when executed. | |
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338 | """ | |
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339 | _ip.user_ns['code_ran'] = True | |
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340 | return 'run' # return string so '+ run()' doesn't result in success | |
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341 | ||
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342 | tests = {'pass': ["> > > run()", | |
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343 | ">>> > run()", | |
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344 | "+++ run()", | |
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345 | "++ run()", | |
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346 | " >>> run()"], | |
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347 | ||
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348 | 'fail': ["+ + run()", | |
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349 | " ++ run()"]} | |
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350 | ||
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351 | _ip.user_ns['run'] = run | |
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352 | ||
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353 | for code in tests['pass']: | |
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354 | check_cpaste(code) | |
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355 | ||
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356 | for code in tests['fail']: | |
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357 | check_cpaste(code, should_fail=True) |
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