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@@ -1,185 +1,186 b'' | |||||
1 | """Tests for code execution (%run and related), which is particularly tricky. |
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1 | """Tests for code execution (%run and related), which is particularly tricky. | |
2 |
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2 | |||
3 | Because of how %run manages namespaces, and the fact that we are trying here to |
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3 | Because of how %run manages namespaces, and the fact that we are trying here to | |
4 | verify subtle object deletion and reference counting issues, the %run tests |
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4 | verify subtle object deletion and reference counting issues, the %run tests | |
5 | will be kept in this separate file. This makes it easier to aggregate in one |
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5 | will be kept in this separate file. This makes it easier to aggregate in one | |
6 | place the tricks needed to handle it; most other magics are much easier to test |
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6 | place the tricks needed to handle it; most other magics are much easier to test | |
7 | and we do so in a common test_magic file. |
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7 | and we do so in a common test_magic file. | |
8 | """ |
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8 | """ | |
9 | from __future__ import absolute_import |
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9 | from __future__ import absolute_import | |
10 |
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10 | |||
11 | #----------------------------------------------------------------------------- |
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11 | #----------------------------------------------------------------------------- | |
12 | # Imports |
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12 | # Imports | |
13 | #----------------------------------------------------------------------------- |
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13 | #----------------------------------------------------------------------------- | |
14 |
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14 | |||
15 | import os |
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15 | import os | |
16 | import sys |
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16 | import sys | |
17 | import tempfile |
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17 | import tempfile | |
18 |
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18 | |||
19 | import nose.tools as nt |
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19 | import nose.tools as nt | |
20 |
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20 | |||
21 | from IPython.testing import decorators as dec |
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21 | from IPython.testing import decorators as dec | |
22 | from IPython.testing import tools as tt |
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22 | from IPython.testing import tools as tt | |
23 |
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23 | |||
24 | #----------------------------------------------------------------------------- |
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24 | #----------------------------------------------------------------------------- | |
25 | # Test functions begin |
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25 | # Test functions begin | |
26 | #----------------------------------------------------------------------------- |
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26 | #----------------------------------------------------------------------------- | |
27 |
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27 | |||
28 | def doctest_refbug(): |
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28 | def doctest_refbug(): | |
29 | """Very nasty problem with references held by multiple runs of a script. |
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29 | """Very nasty problem with references held by multiple runs of a script. | |
30 | See: https://bugs.launchpad.net/ipython/+bug/269966 |
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30 | See: https://bugs.launchpad.net/ipython/+bug/269966 | |
31 |
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31 | |||
32 | In [1]: _ip.clear_main_mod_cache() |
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32 | In [1]: _ip.clear_main_mod_cache() | |
33 | # random |
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33 | # random | |
34 |
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34 | |||
35 | In [2]: %run refbug |
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35 | In [2]: %run refbug | |
36 |
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36 | |||
37 | In [3]: call_f() |
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37 | In [3]: call_f() | |
38 | lowercased: hello |
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38 | lowercased: hello | |
39 |
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39 | |||
40 | In [4]: %run refbug |
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40 | In [4]: %run refbug | |
41 |
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41 | |||
42 | In [5]: call_f() |
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42 | In [5]: call_f() | |
43 | lowercased: hello |
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43 | lowercased: hello | |
44 | lowercased: hello |
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44 | lowercased: hello | |
45 | """ |
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45 | """ | |
46 |
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46 | |||
47 |
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47 | |||
48 | def doctest_run_builtins(): |
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48 | def doctest_run_builtins(): | |
49 | r"""Check that %run doesn't damage __builtins__. |
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49 | r"""Check that %run doesn't damage __builtins__. | |
50 |
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50 | |||
51 | In [1]: import tempfile |
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51 | In [1]: import tempfile | |
52 |
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52 | |||
53 | In [2]: bid1 = id(__builtins__) |
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53 | In [2]: bid1 = id(__builtins__) | |
54 |
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54 | |||
55 | In [3]: fname = tempfile.mkstemp('.py')[1] |
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55 | In [3]: fname = tempfile.mkstemp('.py')[1] | |
56 |
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56 | |||
57 | In [3]: f = open(fname,'w') |
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57 | In [3]: f = open(fname,'w') | |
58 |
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58 | |||
59 | In [4]: f.write('pass\n') |
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59 | In [4]: f.write('pass\n') | |
60 |
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60 | |||
61 | In [5]: f.flush() |
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61 | In [5]: f.flush() | |
62 |
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62 | |||
63 | In [6]: t1 = type(__builtins__) |
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63 | In [6]: t1 = type(__builtins__) | |
64 |
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64 | |||
65 | In [7]: %run $fname |
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65 | In [7]: %run $fname | |
66 |
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66 | |||
67 | In [7]: f.close() |
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67 | In [7]: f.close() | |
68 |
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68 | |||
69 | In [8]: bid2 = id(__builtins__) |
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69 | In [8]: bid2 = id(__builtins__) | |
70 |
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70 | |||
71 | In [9]: t2 = type(__builtins__) |
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71 | In [9]: t2 = type(__builtins__) | |
72 |
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72 | |||
73 | In [10]: t1 == t2 |
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73 | In [10]: t1 == t2 | |
74 | Out[10]: True |
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74 | Out[10]: True | |
75 |
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75 | |||
76 | In [10]: bid1 == bid2 |
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76 | In [10]: bid1 == bid2 | |
77 | Out[10]: True |
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77 | Out[10]: True | |
78 |
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78 | |||
79 | In [12]: try: |
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79 | In [12]: try: | |
80 | ....: os.unlink(fname) |
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80 | ....: os.unlink(fname) | |
81 | ....: except: |
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81 | ....: except: | |
82 | ....: pass |
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82 | ....: pass | |
83 | ....: |
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83 | ....: | |
84 | """ |
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84 | """ | |
85 |
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85 | |||
86 | def doctest_reset_del(): |
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86 | def doctest_reset_del(): | |
87 | """Test that resetting doesn't cause errors in __del__ methods. |
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87 | """Test that resetting doesn't cause errors in __del__ methods. | |
88 |
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88 | |||
89 | In [2]: class A(object): |
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89 | In [2]: class A(object): | |
90 | ...: def __del__(self): |
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90 | ...: def __del__(self): | |
91 | ...: str("Hi") |
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91 | ...: print str("Hi") | |
92 | ...: |
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92 | ...: | |
93 |
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93 | |||
94 | In [3]: a = A() |
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94 | In [3]: a = A() | |
95 |
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95 | |||
96 | In [4]: get_ipython().reset() |
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96 | In [4]: get_ipython().reset() | |
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97 | Hi | |||
97 |
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98 | |||
98 | In [5]: 1+1 |
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99 | In [5]: 1+1 | |
99 | Out[5]: 2 |
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100 | Out[5]: 2 | |
100 | """ |
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101 | """ | |
101 |
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102 | |||
102 | # For some tests, it will be handy to organize them in a class with a common |
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103 | # For some tests, it will be handy to organize them in a class with a common | |
103 | # setup that makes a temp file |
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104 | # setup that makes a temp file | |
104 |
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105 | |||
105 | class TestMagicRunPass(tt.TempFileMixin): |
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106 | class TestMagicRunPass(tt.TempFileMixin): | |
106 |
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107 | |||
107 | def setup(self): |
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108 | def setup(self): | |
108 | """Make a valid python temp file.""" |
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109 | """Make a valid python temp file.""" | |
109 | self.mktmp('pass\n') |
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110 | self.mktmp('pass\n') | |
110 |
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111 | |||
111 | def run_tmpfile(self): |
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112 | def run_tmpfile(self): | |
112 | _ip = get_ipython() |
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113 | _ip = get_ipython() | |
113 | # This fails on Windows if self.tmpfile.name has spaces or "~" in it. |
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114 | # This fails on Windows if self.tmpfile.name has spaces or "~" in it. | |
114 | # See below and ticket https://bugs.launchpad.net/bugs/366353 |
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115 | # See below and ticket https://bugs.launchpad.net/bugs/366353 | |
115 | _ip.magic('run %s' % self.fname) |
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116 | _ip.magic('run %s' % self.fname) | |
116 |
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117 | |||
117 | def test_builtins_id(self): |
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118 | def test_builtins_id(self): | |
118 | """Check that %run doesn't damage __builtins__ """ |
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119 | """Check that %run doesn't damage __builtins__ """ | |
119 | _ip = get_ipython() |
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120 | _ip = get_ipython() | |
120 | # Test that the id of __builtins__ is not modified by %run |
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121 | # Test that the id of __builtins__ is not modified by %run | |
121 | bid1 = id(_ip.user_ns['__builtins__']) |
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122 | bid1 = id(_ip.user_ns['__builtins__']) | |
122 | self.run_tmpfile() |
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123 | self.run_tmpfile() | |
123 | bid2 = id(_ip.user_ns['__builtins__']) |
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124 | bid2 = id(_ip.user_ns['__builtins__']) | |
124 | tt.assert_equals(bid1, bid2) |
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125 | tt.assert_equals(bid1, bid2) | |
125 |
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126 | |||
126 | def test_builtins_type(self): |
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127 | def test_builtins_type(self): | |
127 | """Check that the type of __builtins__ doesn't change with %run. |
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128 | """Check that the type of __builtins__ doesn't change with %run. | |
128 |
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129 | |||
129 | However, the above could pass if __builtins__ was already modified to |
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130 | However, the above could pass if __builtins__ was already modified to | |
130 | be a dict (it should be a module) by a previous use of %run. So we |
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131 | be a dict (it should be a module) by a previous use of %run. So we | |
131 | also check explicitly that it really is a module: |
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132 | also check explicitly that it really is a module: | |
132 | """ |
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133 | """ | |
133 | _ip = get_ipython() |
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134 | _ip = get_ipython() | |
134 | self.run_tmpfile() |
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135 | self.run_tmpfile() | |
135 | tt.assert_equals(type(_ip.user_ns['__builtins__']),type(sys)) |
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136 | tt.assert_equals(type(_ip.user_ns['__builtins__']),type(sys)) | |
136 |
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137 | |||
137 | def test_prompts(self): |
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138 | def test_prompts(self): | |
138 | """Test that prompts correctly generate after %run""" |
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139 | """Test that prompts correctly generate after %run""" | |
139 | self.run_tmpfile() |
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140 | self.run_tmpfile() | |
140 | _ip = get_ipython() |
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141 | _ip = get_ipython() | |
141 | p2 = str(_ip.displayhook.prompt2).strip() |
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142 | p2 = str(_ip.displayhook.prompt2).strip() | |
142 | nt.assert_equals(p2[:3], '...') |
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143 | nt.assert_equals(p2[:3], '...') | |
143 |
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144 | |||
144 |
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145 | |||
145 | class TestMagicRunSimple(tt.TempFileMixin): |
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146 | class TestMagicRunSimple(tt.TempFileMixin): | |
146 |
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147 | |||
147 | def test_simpledef(self): |
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148 | def test_simpledef(self): | |
148 | """Test that simple class definitions work.""" |
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149 | """Test that simple class definitions work.""" | |
149 | src = ("class foo: pass\n" |
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150 | src = ("class foo: pass\n" | |
150 | "def f(): return foo()") |
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151 | "def f(): return foo()") | |
151 | self.mktmp(src) |
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152 | self.mktmp(src) | |
152 | _ip.magic('run %s' % self.fname) |
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153 | _ip.magic('run %s' % self.fname) | |
153 | _ip.runlines('t = isinstance(f(), foo)') |
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154 | _ip.runlines('t = isinstance(f(), foo)') | |
154 | nt.assert_true(_ip.user_ns['t']) |
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155 | nt.assert_true(_ip.user_ns['t']) | |
155 |
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156 | |||
156 | # We have to skip these in win32 because getoutputerr() crashes, |
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157 | # We have to skip these in win32 because getoutputerr() crashes, | |
157 | # due to the fact that subprocess does not support close_fds when |
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158 | # due to the fact that subprocess does not support close_fds when | |
158 | # redirecting stdout/err. So unless someone who knows more tells us how to |
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159 | # redirecting stdout/err. So unless someone who knows more tells us how to | |
159 | # implement getoutputerr() in win32, we're stuck avoiding these. |
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160 | # implement getoutputerr() in win32, we're stuck avoiding these. | |
160 | @dec.skip_win32 |
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161 | @dec.skip_win32 | |
161 | def test_obj_del(self): |
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162 | def test_obj_del(self): | |
162 | """Test that object's __del__ methods are called on exit.""" |
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163 | """Test that object's __del__ methods are called on exit.""" | |
163 |
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164 | |||
164 | # This test is known to fail on win32. |
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165 | # This test is known to fail on win32. | |
165 | # See ticket https://bugs.launchpad.net/bugs/366334 |
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166 | # See ticket https://bugs.launchpad.net/bugs/366334 | |
166 | src = ("class A(object):\n" |
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167 | src = ("class A(object):\n" | |
167 | " def __del__(self):\n" |
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168 | " def __del__(self):\n" | |
168 | " print 'object A deleted'\n" |
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169 | " print 'object A deleted'\n" | |
169 | "a = A()\n") |
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170 | "a = A()\n") | |
170 | self.mktmp(src) |
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171 | self.mktmp(src) | |
171 | tt.ipexec_validate(self.fname, 'object A deleted') |
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172 | tt.ipexec_validate(self.fname, 'object A deleted') | |
172 |
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173 | |||
173 | @dec.skip_win32 |
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174 | @dec.skip_win32 | |
174 | def test_tclass(self): |
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175 | def test_tclass(self): | |
175 | mydir = os.path.dirname(__file__) |
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176 | mydir = os.path.dirname(__file__) | |
176 | tc = os.path.join(mydir, 'tclass') |
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177 | tc = os.path.join(mydir, 'tclass') | |
177 | src = ("%%run '%s' C-first\n" |
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178 | src = ("%%run '%s' C-first\n" | |
178 | "%%run '%s' C-second\n") % (tc, tc) |
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179 | "%%run '%s' C-second\n") % (tc, tc) | |
179 | self.mktmp(src, '.ipy') |
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180 | self.mktmp(src, '.ipy') | |
180 | out = """\ |
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181 | out = """\ | |
181 | ARGV 1-: ['C-first'] |
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182 | ARGV 1-: ['C-first'] | |
182 | ARGV 1-: ['C-second'] |
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183 | ARGV 1-: ['C-second'] | |
183 | tclass.py: deleting object: C-first |
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184 | tclass.py: deleting object: C-first | |
184 | """ |
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185 | """ | |
185 | tt.ipexec_validate(self.fname, out) |
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186 | tt.ipexec_validate(self.fname, out) |
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