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1 | 1 | # coding: utf-8 |
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2 | 2 | """Tests for the IPython tab-completion machinery. |
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3 | 3 | """ |
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4 | 4 | #----------------------------------------------------------------------------- |
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5 | 5 | # Module imports |
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6 | 6 | #----------------------------------------------------------------------------- |
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7 | 7 | |
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8 | 8 | # stdlib |
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9 | 9 | import os |
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10 | 10 | import shutil |
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11 | 11 | import sys |
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12 | 12 | import tempfile |
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13 | 13 | import unittest |
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14 | 14 | from datetime import datetime |
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15 | 15 | |
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16 | 16 | # third party |
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17 | 17 | import nose.tools as nt |
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18 | 18 | |
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19 | 19 | # our own packages |
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20 | 20 | from IPython.config.loader import Config |
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21 | 21 | from IPython.utils.tempdir import TemporaryDirectory |
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22 | 22 | from IPython.core.history import HistoryManager, extract_hist_ranges |
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23 | 23 | from IPython.utils import py3compat |
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24 | 24 | |
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25 | 25 | def setUp(): |
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26 | 26 | nt.assert_equal(sys.getdefaultencoding(), "utf-8" if py3compat.PY3 else "ascii") |
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27 | 27 | |
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28 | 28 | def test_history(): |
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29 | 29 | ip = get_ipython() |
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30 | 30 | with TemporaryDirectory() as tmpdir: |
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31 | 31 | hist_manager_ori = ip.history_manager |
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32 | 32 | hist_file = os.path.join(tmpdir, 'history.sqlite') |
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33 | 33 | try: |
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34 | 34 | ip.history_manager = HistoryManager(shell=ip, hist_file=hist_file) |
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35 | 35 | hist = [u'a=1', u'def f():\n test = 1\n return test', u"b='β¬ΓΒΎΓ·Γ'"] |
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36 | 36 | for i, h in enumerate(hist, start=1): |
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37 | 37 | ip.history_manager.store_inputs(i, h) |
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38 | 38 | |
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39 | 39 | ip.history_manager.db_log_output = True |
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40 | 40 | # Doesn't match the input, but we'll just check it's stored. |
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41 | 41 | ip.history_manager.output_hist_reprs[3] = "spam" |
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42 | 42 | ip.history_manager.store_output(3) |
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43 | 43 | |
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44 | 44 | nt.assert_equal(ip.history_manager.input_hist_raw, [''] + hist) |
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45 | 45 | |
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46 | 46 | # Detailed tests for _get_range_session |
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47 | 47 | grs = ip.history_manager._get_range_session |
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48 | 48 | nt.assert_equal(list(grs(start=2,stop=-1)), zip([0], [2], hist[1:-1])) |
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49 | 49 | nt.assert_equal(list(grs(start=-2)), zip([0,0], [2,3], hist[-2:])) |
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50 | 50 | nt.assert_equal(list(grs(output=True)), zip([0,0,0], [1,2,3], zip(hist, [None,None,'spam']))) |
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51 | 51 | |
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52 | 52 | # Check whether specifying a range beyond the end of the current |
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53 | 53 | # session results in an error (gh-804) |
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54 | 54 | ip.magic('%hist 2-500') |
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55 | 55 | |
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56 | 56 | # Check that we can write non-ascii characters to a file |
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57 | 57 | ip.magic("%%hist -f %s" % os.path.join(tmpdir, "test1")) |
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58 | 58 | ip.magic("%%hist -pf %s" % os.path.join(tmpdir, "test2")) |
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59 | 59 | ip.magic("%%hist -nf %s" % os.path.join(tmpdir, "test3")) |
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60 | 60 | ip.magic("%%save %s 1-10" % os.path.join(tmpdir, "test4")) |
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61 | 61 | |
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62 | 62 | # New session |
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63 | 63 | ip.history_manager.reset() |
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64 | 64 | newcmds = ["z=5","class X(object):\n pass", "k='p'"] |
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65 | 65 | for i, cmd in enumerate(newcmds, start=1): |
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66 | 66 | ip.history_manager.store_inputs(i, cmd) |
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67 | 67 | gothist = ip.history_manager.get_range(start=1, stop=4) |
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68 | 68 | nt.assert_equal(list(gothist), zip([0,0,0],[1,2,3], newcmds)) |
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69 | 69 | # Previous session: |
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70 | 70 | gothist = ip.history_manager.get_range(-1, 1, 4) |
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71 | 71 | nt.assert_equal(list(gothist), zip([1,1,1],[1,2,3], hist)) |
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72 | 72 | |
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73 | 73 | # Check get_hist_tail |
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74 | 74 | gothist = ip.history_manager.get_tail(4, output=True, |
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75 | 75 | include_latest=True) |
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76 | 76 | expected = [(1, 3, (hist[-1], "spam")), |
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77 | 77 | (2, 1, (newcmds[0], None)), |
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78 | 78 | (2, 2, (newcmds[1], None)), |
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79 | 79 | (2, 3, (newcmds[2], None)),] |
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80 | 80 | nt.assert_equal(list(gothist), expected) |
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81 | 81 | |
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82 | 82 | gothist = ip.history_manager.get_tail(2) |
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83 | 83 | expected = [(2, 1, newcmds[0]), |
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84 | 84 | (2, 2, newcmds[1])] |
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85 | 85 | nt.assert_equal(list(gothist), expected) |
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86 | 86 | |
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87 | 87 | # Check get_hist_search |
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88 | 88 | gothist = ip.history_manager.search("*test*") |
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89 | 89 | nt.assert_equal(list(gothist), [(1,2,hist[1])] ) |
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90 | 90 | gothist = ip.history_manager.search("b*", output=True) |
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91 | 91 | nt.assert_equal(list(gothist), [(1,3,(hist[2],"spam"))] ) |
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92 | 92 | |
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93 | 93 | # Cross testing: check that magic %save can get previous session. |
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94 | 94 | testfilename = os.path.realpath(os.path.join(tmpdir, "test.py")) |
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95 |
ip.magic |
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95 | ip.magic("save " + testfilename + " ~1/1-3") | |
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96 | 96 | with py3compat.open(testfilename) as testfile: |
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97 | 97 | nt.assert_equal(testfile.read(), |
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98 | 98 | u"# coding: utf-8\n" + u"\n".join(hist)) |
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99 | 99 | |
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100 | 100 | # Duplicate line numbers - check that it doesn't crash, and |
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101 | 101 | # gets a new session |
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102 | 102 | ip.history_manager.store_inputs(1, "rogue") |
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103 | 103 | ip.history_manager.writeout_cache() |
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104 | 104 | nt.assert_equal(ip.history_manager.session_number, 3) |
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105 | 105 | finally: |
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106 | 106 | # Restore history manager |
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107 | 107 | ip.history_manager = hist_manager_ori |
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108 | 108 | |
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109 | 109 | |
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110 | 110 | def test_extract_hist_ranges(): |
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111 | 111 | instr = "1 2/3 ~4/5-6 ~4/7-~4/9 ~9/2-~7/5" |
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112 | 112 | expected = [(0, 1, 2), # 0 == current session |
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113 | 113 | (2, 3, 4), |
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114 | 114 | (-4, 5, 7), |
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115 | 115 | (-4, 7, 10), |
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116 | 116 | (-9, 2, None), # None == to end |
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117 | 117 | (-8, 1, None), |
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118 | 118 | (-7, 1, 6)] |
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119 | 119 | actual = list(extract_hist_ranges(instr)) |
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120 | 120 | nt.assert_equal(actual, expected) |
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121 | 121 | |
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122 | 122 | def test_magic_rerun(): |
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123 | 123 | """Simple test for %rerun (no args -> rerun last line)""" |
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124 | 124 | ip = get_ipython() |
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125 | 125 | ip.run_cell("a = 10", store_history=True) |
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126 | 126 | ip.run_cell("a += 1", store_history=True) |
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127 | 127 | nt.assert_equal(ip.user_ns["a"], 11) |
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128 | 128 | ip.run_cell("%rerun", store_history=True) |
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129 | 129 | nt.assert_equal(ip.user_ns["a"], 12) |
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130 | 130 | |
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131 | 131 | def test_timestamp_type(): |
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132 | 132 | ip = get_ipython() |
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133 | 133 | info = ip.history_manager.get_session_info() |
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134 | 134 | nt.assert_true(isinstance(info[1], datetime)) |
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135 | 135 | |
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136 | 136 | def test_hist_file_config(): |
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137 | 137 | cfg = Config() |
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138 | 138 | tfile = tempfile.NamedTemporaryFile(delete=False) |
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139 | 139 | cfg.HistoryManager.hist_file = tfile.name |
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140 | 140 | try: |
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141 | 141 | hm = HistoryManager(shell=get_ipython(), config=cfg) |
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142 | 142 | nt.assert_equals(hm.hist_file, cfg.HistoryManager.hist_file) |
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143 | 143 | finally: |
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144 | 144 | try: |
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145 | 145 | os.remove(tfile.name) |
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146 | 146 | except OSError: |
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147 | 147 | # same catch as in testing.tools.TempFileMixin |
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148 | 148 | # On Windows, even though we close the file, we still can't |
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149 | 149 | # delete it. I have no clue why |
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150 | 150 | pass |
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151 | 151 |
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