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@@ -1,118 +1,119 b'' | |||||
1 | """Tests for input manipulation machinery.""" |
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1 | """Tests for input manipulation machinery.""" | |
2 |
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2 | |||
3 | #----------------------------------------------------------------------------- |
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3 | #----------------------------------------------------------------------------- | |
4 | # Imports |
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4 | # Imports | |
5 | #----------------------------------------------------------------------------- |
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5 | #----------------------------------------------------------------------------- | |
6 | import nose.tools as nt |
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6 | import nose.tools as nt | |
7 |
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7 | |||
8 | from IPython.core.prefilter import AutocallChecker |
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8 | from IPython.core.prefilter import AutocallChecker | |
9 | from IPython.testing.globalipapp import get_ipython |
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9 | from IPython.testing.globalipapp import get_ipython | |
10 |
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10 | |||
11 | #----------------------------------------------------------------------------- |
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11 | #----------------------------------------------------------------------------- | |
12 | # Tests |
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12 | # Tests | |
13 | #----------------------------------------------------------------------------- |
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13 | #----------------------------------------------------------------------------- | |
14 | ip = get_ipython() |
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14 | ip = get_ipython() | |
15 |
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15 | |||
16 | def test_prefilter(): |
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16 | def test_prefilter(): | |
17 | """Test user input conversions""" |
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17 | """Test user input conversions""" | |
18 |
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18 | |||
19 | # pairs of (raw, expected correct) input |
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19 | # pairs of (raw, expected correct) input | |
20 | pairs = [ ('2+2','2+2'), |
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20 | pairs = [ ('2+2','2+2'), | |
21 | ] |
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21 | ] | |
22 |
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22 | |||
23 | for raw, correct in pairs: |
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23 | for raw, correct in pairs: | |
24 | nt.assert_equal(ip.prefilter(raw), correct) |
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24 | nt.assert_equal(ip.prefilter(raw), correct) | |
25 |
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25 | |||
26 | def test_prefilter_shadowed(): |
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26 | def test_prefilter_shadowed(): | |
27 | def dummy_magic(line): pass |
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27 | def dummy_magic(line): pass | |
28 |
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28 | |||
29 | prev_automagic_state = ip.automagic |
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29 | prev_automagic_state = ip.automagic | |
30 | ip.automagic = True |
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30 | ip.automagic = True | |
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31 | ip.autocall = 0 | |||
31 |
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32 | |||
32 | try: |
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33 | try: | |
33 | # These should not be transformed - they are shadowed by other names |
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34 | # These should not be transformed - they are shadowed by other names | |
34 | for name in ['if', 'zip', 'get_ipython']: # keyword, builtin, global |
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35 | for name in ['if', 'zip', 'get_ipython']: # keyword, builtin, global | |
35 | ip.register_magic_function(dummy_magic, magic_name=name) |
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36 | ip.register_magic_function(dummy_magic, magic_name=name) | |
36 | res = ip.prefilter(name+' foo') |
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37 | res = ip.prefilter(name+' foo') | |
37 | nt.assert_equal(res, name+' foo') |
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38 | nt.assert_equal(res, name+' foo') | |
38 | del ip.magics_manager.magics['line'][name] |
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39 | del ip.magics_manager.magics['line'][name] | |
39 |
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40 | |||
40 | # These should be transformed |
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41 | # These should be transformed | |
41 | for name in ['fi', 'piz', 'nohtypi_teg']: |
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42 | for name in ['fi', 'piz', 'nohtypi_teg']: | |
42 | ip.register_magic_function(dummy_magic, magic_name=name) |
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43 | ip.register_magic_function(dummy_magic, magic_name=name) | |
43 | res = ip.prefilter(name+' foo') |
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44 | res = ip.prefilter(name+' foo') | |
44 | nt.assert_not_equal(res, name+' foo') |
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45 | nt.assert_not_equal(res, name+' foo') | |
45 | del ip.magics_manager.magics['line'][name] |
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46 | del ip.magics_manager.magics['line'][name] | |
46 |
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47 | |||
47 | finally: |
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48 | finally: | |
48 | ip.automagic = prev_automagic_state |
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49 | ip.automagic = prev_automagic_state | |
49 |
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50 | |||
50 | def test_autocall_binops(): |
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51 | def test_autocall_binops(): | |
51 | """See https://github.com/ipython/ipython/issues/81""" |
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52 | """See https://github.com/ipython/ipython/issues/81""" | |
52 | ip.magic('autocall 2') |
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53 | ip.magic('autocall 2') | |
53 | f = lambda x: x |
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54 | f = lambda x: x | |
54 | ip.user_ns['f'] = f |
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55 | ip.user_ns['f'] = f | |
55 | try: |
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56 | try: | |
56 | nt.assert_equal(ip.prefilter('f 1'),'f(1)') |
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57 | nt.assert_equal(ip.prefilter('f 1'),'f(1)') | |
57 | for t in ['f +1', 'f -1']: |
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58 | for t in ['f +1', 'f -1']: | |
58 | nt.assert_equal(ip.prefilter(t), t) |
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59 | nt.assert_equal(ip.prefilter(t), t) | |
59 |
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60 | |||
60 | # Run tests again with a more permissive exclude_regexp, which will |
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61 | # Run tests again with a more permissive exclude_regexp, which will | |
61 | # allow transformation of binary operations ('f -1' -> 'f(-1)'). |
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62 | # allow transformation of binary operations ('f -1' -> 'f(-1)'). | |
62 | pm = ip.prefilter_manager |
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63 | pm = ip.prefilter_manager | |
63 | ac = AutocallChecker(shell=pm.shell, prefilter_manager=pm, |
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64 | ac = AutocallChecker(shell=pm.shell, prefilter_manager=pm, | |
64 | config=pm.config) |
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65 | config=pm.config) | |
65 | try: |
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66 | try: | |
66 | ac.priority = 1 |
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67 | ac.priority = 1 | |
67 | ac.exclude_regexp = r'^[,&^\|\*/]|^is |^not |^in |^and |^or ' |
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68 | ac.exclude_regexp = r'^[,&^\|\*/]|^is |^not |^in |^and |^or ' | |
68 | pm.sort_checkers() |
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69 | pm.sort_checkers() | |
69 |
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70 | |||
70 | nt.assert_equal(ip.prefilter('f -1'), 'f(-1)') |
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71 | nt.assert_equal(ip.prefilter('f -1'), 'f(-1)') | |
71 | nt.assert_equal(ip.prefilter('f +1'), 'f(+1)') |
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72 | nt.assert_equal(ip.prefilter('f +1'), 'f(+1)') | |
72 | finally: |
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73 | finally: | |
73 | pm.unregister_checker(ac) |
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74 | pm.unregister_checker(ac) | |
74 | finally: |
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75 | finally: | |
75 | ip.magic('autocall 0') |
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76 | ip.magic('autocall 0') | |
76 | del ip.user_ns['f'] |
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77 | del ip.user_ns['f'] | |
77 |
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78 | |||
78 |
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79 | |||
79 | def test_issue_114(): |
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80 | def test_issue_114(): | |
80 | """Check that multiline string literals don't expand as magic |
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81 | """Check that multiline string literals don't expand as magic | |
81 | see http://github.com/ipython/ipython/issues/114""" |
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82 | see http://github.com/ipython/ipython/issues/114""" | |
82 |
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83 | |||
83 | template = '"""\n%s\n"""' |
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84 | template = '"""\n%s\n"""' | |
84 | # Store the current value of multi_line_specials and turn it off before |
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85 | # Store the current value of multi_line_specials and turn it off before | |
85 | # running test, since it could be true (case in which the test doesn't make |
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86 | # running test, since it could be true (case in which the test doesn't make | |
86 | # sense, as multiline string literals *will* expand as magic in that case). |
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87 | # sense, as multiline string literals *will* expand as magic in that case). | |
87 | msp = ip.prefilter_manager.multi_line_specials |
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88 | msp = ip.prefilter_manager.multi_line_specials | |
88 | ip.prefilter_manager.multi_line_specials = False |
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89 | ip.prefilter_manager.multi_line_specials = False | |
89 | try: |
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90 | try: | |
90 | for mgk in ip.magics_manager.lsmagic()['line']: |
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91 | for mgk in ip.magics_manager.lsmagic()['line']: | |
91 | raw = template % mgk |
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92 | raw = template % mgk | |
92 | nt.assert_equal(ip.prefilter(raw), raw) |
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93 | nt.assert_equal(ip.prefilter(raw), raw) | |
93 | finally: |
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94 | finally: | |
94 | ip.prefilter_manager.multi_line_specials = msp |
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95 | ip.prefilter_manager.multi_line_specials = msp | |
95 |
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96 | |||
96 |
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97 | |||
97 | def test_prefilter_attribute_errors(): |
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98 | def test_prefilter_attribute_errors(): | |
98 | """Capture exceptions thrown by user objects on attribute access. |
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99 | """Capture exceptions thrown by user objects on attribute access. | |
99 |
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100 | |||
100 | See http://github.com/ipython/ipython/issues/988.""" |
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101 | See http://github.com/ipython/ipython/issues/988.""" | |
101 |
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102 | |||
102 | class X(object): |
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103 | class X(object): | |
103 | def __getattr__(self, k): |
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104 | def __getattr__(self, k): | |
104 | raise ValueError('broken object') |
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105 | raise ValueError('broken object') | |
105 | def __call__(self, x): |
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106 | def __call__(self, x): | |
106 | return x |
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107 | return x | |
107 |
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108 | |||
108 | # Create a callable broken object |
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109 | # Create a callable broken object | |
109 | ip.user_ns['x'] = X() |
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110 | ip.user_ns['x'] = X() | |
110 | ip.magic('autocall 2') |
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111 | ip.magic('autocall 2') | |
111 | try: |
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112 | try: | |
112 | # Even if x throws an attribute error when looking at its rewrite |
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113 | # Even if x throws an attribute error when looking at its rewrite | |
113 | # attribute, we should not crash. So the test here is simply making |
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114 | # attribute, we should not crash. So the test here is simply making | |
114 | # the prefilter call and not having an exception. |
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115 | # the prefilter call and not having an exception. | |
115 | ip.prefilter('x 1') |
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116 | ip.prefilter('x 1') | |
116 | finally: |
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117 | finally: | |
117 | del ip.user_ns['x'] |
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118 | del ip.user_ns['x'] | |
118 | ip.magic('autocall 0') |
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119 | ip.magic('autocall 0') |
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