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@@ -1,193 +1,225 b'' | |||
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1 | 1 | # -*- coding: utf-8 -*- |
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2 | 2 | """Tests for the TerminalInteractiveShell and related pieces.""" |
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3 | 3 | # Copyright (c) IPython Development Team. |
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4 | 4 | # Distributed under the terms of the Modified BSD License. |
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5 | 5 | |
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6 | 6 | import sys |
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7 | 7 | import unittest |
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8 | 8 | import os |
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9 | 9 | |
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10 | 10 | from IPython.core.inputtransformer import InputTransformer |
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11 | 11 | from IPython.testing import tools as tt |
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12 | 12 | from IPython.utils.capture import capture_output |
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13 | 13 | |
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14 | 14 | from IPython.terminal.ptutils import _elide, _adjust_completion_text_based_on_context |
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15 | import nose.tools as nt | |
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16 | 15 | |
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17 | class TestElide(unittest.TestCase): | |
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18 | 16 | |
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17 | class TestElide(unittest.TestCase): | |
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19 | 18 | def test_elide(self): |
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20 |
_elide( |
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21 |
_elide( |
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22 | nt.assert_equal(_elide('aaaa.bbbb.ccccc.dddddd.eeeee.fffff.gggggg.hhhhhh',''), 'aaaa.bβ¦g.hhhhhh') | |
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23 | ||
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24 | test_string = os.sep.join(['', 10*'a', 10*'b', 10*'c', '']) | |
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25 | expect_stirng = os.sep + 'a' + '\N{HORIZONTAL ELLIPSIS}' + 'b' + os.sep + 10*'c' | |
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26 | nt.assert_equal(_elide(test_string, ''), expect_stirng) | |
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19 | _elide("concatenate((a1, a2, ...), axis", "") # do not raise | |
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20 | _elide("concatenate((a1, a2, ..), . axis", "") # do not raise | |
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21 | self.assertEqual( | |
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22 | _elide("aaaa.bbbb.ccccc.dddddd.eeeee.fffff.gggggg.hhhhhh", ""), | |
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23 | "aaaa.bβ¦g.hhhhhh", | |
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24 | ) | |
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25 | ||
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26 | test_string = os.sep.join(["", 10 * "a", 10 * "b", 10 * "c", ""]) | |
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27 | expect_stirng = ( | |
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28 | os.sep + "a" + "\N{HORIZONTAL ELLIPSIS}" + "b" + os.sep + 10 * "c" | |
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29 | ) | |
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30 | self.assertEqual(_elide(test_string, ""), expect_stirng) | |
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27 | 31 | |
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28 | 32 | def test_elide_typed_normal(self): |
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29 | nt.assert_equal(_elide('the quick brown fox jumped over the lazy dog', 'the quick brown fox', min_elide=10), 'theβ¦fox jumped over the lazy dog') | |
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30 | ||
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33 | self.assertEqual( | |
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34 | _elide( | |
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35 | "the quick brown fox jumped over the lazy dog", | |
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36 | "the quick brown fox", | |
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37 | min_elide=10, | |
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38 | ), | |
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39 | "theβ¦fox jumped over the lazy dog", | |
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40 | ) | |
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31 | 41 | |
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32 | 42 | def test_elide_typed_short_match(self): |
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33 | 43 | """ |
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34 | 44 | if the match is too short we don't elide. |
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35 | 45 | avoid the "the...the" |
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36 | 46 | """ |
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37 | nt.assert_equal(_elide('the quick brown fox jumped over the lazy dog', 'the', min_elide=10), 'the quick brown fox jumped over the lazy dog') | |
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47 | self.assertEqual( | |
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48 | _elide("the quick brown fox jumped over the lazy dog", "the", min_elide=10), | |
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49 | "the quick brown fox jumped over the lazy dog", | |
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50 | ) | |
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38 | 51 | |
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39 | 52 | def test_elide_typed_no_match(self): |
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40 | 53 | """ |
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41 | 54 | if the match is too short we don't elide. |
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42 | 55 | avoid the "the...the" |
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43 | 56 | """ |
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44 | 57 | # here we typed red instead of brown |
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45 | nt.assert_equal(_elide('the quick brown fox jumped over the lazy dog', 'the quick red fox', min_elide=10), 'the quick brown fox jumped over the lazy dog') | |
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58 | self.assertEqual( | |
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59 | _elide( | |
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60 | "the quick brown fox jumped over the lazy dog", | |
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61 | "the quick red fox", | |
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62 | min_elide=10, | |
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63 | ), | |
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64 | "the quick brown fox jumped over the lazy dog", | |
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65 | ) | |
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46 | 66 | |
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47 | class TestContextAwareCompletion(unittest.TestCase): | |
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48 | 67 | |
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68 | class TestContextAwareCompletion(unittest.TestCase): | |
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49 | 69 | def test_adjust_completion_text_based_on_context(self): |
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50 | 70 | # Adjusted case |
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51 | nt.assert_equal(_adjust_completion_text_based_on_context('arg1=', 'func1(a=)', 7), 'arg1') | |
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71 | self.assertEqual( | |
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72 | _adjust_completion_text_based_on_context("arg1=", "func1(a=)", 7), "arg1" | |
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73 | ) | |
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52 | 74 | |
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53 | 75 | # Untouched cases |
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54 | nt.assert_equal(_adjust_completion_text_based_on_context('arg1=', 'func1(a)', 7), 'arg1=') | |
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55 |
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56 | nt.assert_equal(_adjust_completion_text_based_on_context('%magic', 'func1(a=)', 7), '%magic') | |
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57 | nt.assert_equal(_adjust_completion_text_based_on_context('func2', 'func1(a=)', 7), 'func2') | |
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76 | self.assertEqual( | |
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77 | _adjust_completion_text_based_on_context("arg1=", "func1(a)", 7), "arg1=" | |
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78 | ) | |
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79 | self.assertEqual( | |
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80 | _adjust_completion_text_based_on_context("arg1=", "func1(a", 7), "arg1=" | |
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81 | ) | |
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82 | self.assertEqual( | |
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83 | _adjust_completion_text_based_on_context("%magic", "func1(a=)", 7), "%magic" | |
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84 | ) | |
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85 | self.assertEqual( | |
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86 | _adjust_completion_text_based_on_context("func2", "func1(a=)", 7), "func2" | |
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87 | ) | |
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88 | ||
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58 | 89 | |
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59 | 90 | # Decorator for interaction loop tests ----------------------------------------- |
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60 | 91 | |
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92 | ||
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61 | 93 | class mock_input_helper(object): |
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62 | 94 | """Machinery for tests of the main interact loop. |
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63 | 95 | |
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64 | 96 | Used by the mock_input decorator. |
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65 | 97 | """ |
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66 | 98 | def __init__(self, testgen): |
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67 | 99 | self.testgen = testgen |
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68 | 100 | self.exception = None |
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69 | 101 | self.ip = get_ipython() |
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70 | 102 | |
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71 | 103 | def __enter__(self): |
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72 | 104 | self.orig_prompt_for_code = self.ip.prompt_for_code |
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73 | 105 | self.ip.prompt_for_code = self.fake_input |
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74 | 106 | return self |
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75 | 107 | |
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76 | 108 | def __exit__(self, etype, value, tb): |
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77 | 109 | self.ip.prompt_for_code = self.orig_prompt_for_code |
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78 | 110 | |
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79 | 111 | def fake_input(self): |
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80 | 112 | try: |
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81 | 113 | return next(self.testgen) |
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82 | 114 | except StopIteration: |
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83 | 115 | self.ip.keep_running = False |
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84 | 116 | return u'' |
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85 | 117 | except: |
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86 | 118 | self.exception = sys.exc_info() |
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87 | 119 | self.ip.keep_running = False |
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88 | 120 | return u'' |
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89 | 121 | |
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90 | 122 | def mock_input(testfunc): |
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91 | 123 | """Decorator for tests of the main interact loop. |
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92 | 124 | |
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93 | 125 | Write the test as a generator, yield-ing the input strings, which IPython |
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94 | 126 | will see as if they were typed in at the prompt. |
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95 | 127 | """ |
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96 | 128 | def test_method(self): |
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97 | 129 | testgen = testfunc(self) |
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98 | 130 | with mock_input_helper(testgen) as mih: |
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99 | 131 | mih.ip.interact() |
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100 | 132 | |
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101 | 133 | if mih.exception is not None: |
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102 | 134 | # Re-raise captured exception |
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103 | 135 | etype, value, tb = mih.exception |
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104 | 136 | import traceback |
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105 | 137 | traceback.print_tb(tb, file=sys.stdout) |
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106 | 138 | del tb # Avoid reference loop |
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107 | 139 | raise value |
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108 | 140 | |
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109 | 141 | return test_method |
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110 | 142 | |
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111 | 143 | # Test classes ----------------------------------------------------------------- |
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112 | 144 | |
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113 | 145 | class InteractiveShellTestCase(unittest.TestCase): |
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114 | 146 | def rl_hist_entries(self, rl, n): |
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115 | 147 | """Get last n readline history entries as a list""" |
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116 | 148 | return [rl.get_history_item(rl.get_current_history_length() - x) |
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117 | 149 | for x in range(n - 1, -1, -1)] |
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118 | 150 | |
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119 | 151 | @mock_input |
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120 | 152 | def test_inputtransformer_syntaxerror(self): |
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121 | 153 | ip = get_ipython() |
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122 | 154 | ip.input_transformers_post.append(syntax_error_transformer) |
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123 | 155 | |
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124 | 156 | try: |
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125 | 157 | #raise Exception |
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126 | 158 | with tt.AssertPrints('4', suppress=False): |
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127 | 159 | yield u'print(2*2)' |
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128 | 160 | |
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129 | 161 | with tt.AssertPrints('SyntaxError: input contains', suppress=False): |
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130 | 162 | yield u'print(2345) # syntaxerror' |
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131 | 163 | |
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132 | 164 | with tt.AssertPrints('16', suppress=False): |
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133 | 165 | yield u'print(4*4)' |
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134 | 166 | |
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135 | 167 | finally: |
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136 | 168 | ip.input_transformers_post.remove(syntax_error_transformer) |
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137 | 169 | |
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138 | 170 | def test_plain_text_only(self): |
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139 | 171 | ip = get_ipython() |
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140 | 172 | formatter = ip.display_formatter |
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141 | 173 | assert formatter.active_types == ['text/plain'] |
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142 | 174 | assert not formatter.ipython_display_formatter.enabled |
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143 | 175 | |
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144 | 176 | class Test(object): |
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145 | 177 | def __repr__(self): |
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146 | 178 | return "<Test %i>" % id(self) |
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147 | 179 | |
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148 | 180 | def _repr_html_(self): |
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149 | 181 | return '<html>' |
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150 | 182 | |
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151 | 183 | # verify that HTML repr isn't computed |
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152 | 184 | obj = Test() |
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153 | 185 | data, _ = formatter.format(obj) |
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154 | 186 | self.assertEqual(data, {'text/plain': repr(obj)}) |
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155 | 187 | |
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156 | 188 | class Test2(Test): |
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157 | 189 | def _ipython_display_(self): |
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158 | 190 | from IPython.display import display |
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159 | 191 | display('<custom>') |
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160 | 192 | |
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161 | 193 | # verify that _ipython_display_ shortcut isn't called |
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162 | 194 | obj = Test2() |
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163 | 195 | with capture_output() as captured: |
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164 | 196 | data, _ = formatter.format(obj) |
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165 | 197 | |
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166 | 198 | self.assertEqual(data, {'text/plain': repr(obj)}) |
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167 | 199 | assert captured.stdout == '' |
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168 | 200 | |
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169 | 201 | def syntax_error_transformer(lines): |
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170 | 202 | """Transformer that throws SyntaxError if 'syntaxerror' is in the code.""" |
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171 | 203 | for line in lines: |
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172 | 204 | pos = line.find('syntaxerror') |
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173 | 205 | if pos >= 0: |
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174 | 206 | e = SyntaxError('input contains "syntaxerror"') |
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175 | 207 | e.text = line |
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176 | 208 | e.offset = pos + 1 |
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177 | 209 | raise e |
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178 | 210 | return lines |
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179 | 211 | |
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180 | 212 | |
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181 | 213 | class TerminalMagicsTestCase(unittest.TestCase): |
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182 | 214 | def test_paste_magics_blankline(self): |
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183 | 215 | """Test that code with a blank line doesn't get split (gh-3246).""" |
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184 | 216 | ip = get_ipython() |
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185 | 217 | s = ('def pasted_func(a):\n' |
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186 | 218 | ' b = a+1\n' |
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187 | 219 | '\n' |
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188 | 220 | ' return b') |
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189 | 221 | |
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190 | 222 | tm = ip.magics_manager.registry['TerminalMagics'] |
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191 | 223 | tm.store_or_execute(s, name=None) |
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192 | 224 | |
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193 | 225 | self.assertEqual(ip.user_ns['pasted_func'](54), 55) |
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