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@@ -1,85 +1,88 b'' | |||
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1 | 1 | """Tests for the key interactiveshell module. |
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2 | 2 | |
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3 | 3 | Historically the main classes in interactiveshell have been under-tested. This |
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4 | 4 | module should grow as many single-method tests as possible to trap many of the |
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5 | 5 | recurring bugs we seem to encounter with high-level interaction. |
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6 | 6 | |
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7 | 7 | Authors |
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8 | 8 | ------- |
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9 | 9 | * Fernando Perez |
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10 | 10 | """ |
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11 | 11 | #----------------------------------------------------------------------------- |
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12 | 12 | # Copyright (C) 2011 The IPython Development Team |
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13 | 13 | # |
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14 | 14 | # Distributed under the terms of the BSD License. The full license is in |
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15 | 15 | # the file COPYING, distributed as part of this software. |
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16 | 16 | #----------------------------------------------------------------------------- |
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17 | 17 | |
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18 | 18 | #----------------------------------------------------------------------------- |
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19 | 19 | # Imports |
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20 | 20 | #----------------------------------------------------------------------------- |
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21 | 21 | # stdlib |
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22 | 22 | import unittest |
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23 | from IPython.testing import decorators as dec | |
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23 | 24 | |
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24 | 25 | #----------------------------------------------------------------------------- |
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25 | 26 | # Tests |
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26 | 27 | #----------------------------------------------------------------------------- |
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27 | 28 | |
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28 | 29 | class InteractiveShellTestCase(unittest.TestCase): |
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29 | 30 | def test_naked_string_cells(self): |
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30 | 31 | """Test that cells with only naked strings are fully executed""" |
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31 | 32 | ip = get_ipython() |
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32 | 33 | # First, single-line inputs |
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33 | 34 | ip.run_cell('"a"\n') |
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34 | 35 | self.assertEquals(ip.user_ns['_'], 'a') |
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35 | 36 | # And also multi-line cells |
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36 | 37 | ip.run_cell('"""a\nb"""\n') |
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37 | 38 | self.assertEquals(ip.user_ns['_'], 'a\nb') |
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38 | 39 | |
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39 | 40 | def test_run_empty_cell(self): |
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40 | 41 | """Just make sure we don't get a horrible error with a blank |
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41 | 42 | cell of input. Yes, I did overlook that.""" |
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42 | 43 | ip = get_ipython() |
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43 | 44 | ip.run_cell('') |
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44 | 45 | |
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45 | 46 | def test_run_cell_multiline(self): |
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46 | 47 | """Multi-block, multi-line cells must execute correctly. |
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47 | 48 | """ |
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48 | 49 | ip = get_ipython() |
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49 | 50 | src = '\n'.join(["x=1", |
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50 | 51 | "y=2", |
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51 | 52 | "if 1:", |
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52 | 53 | " x += 1", |
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53 | 54 | " y += 1",]) |
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54 | 55 | ip.run_cell(src) |
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55 | 56 | self.assertEquals(ip.user_ns['x'], 2) |
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56 | 57 | self.assertEquals(ip.user_ns['y'], 3) |
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57 | 58 | |
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59 | @dec.skip_known_failure | |
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58 | 60 | def test_multiline_string_cells(self): |
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59 | 61 | "Code sprinkled with multiline strings should execute (GH-306)" |
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60 | 62 | ip = get_ipython() |
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61 | 63 | ip.run_cell('tmp=0') |
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62 | 64 | self.assertEquals(ip.user_ns['tmp'], 0) |
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63 | 65 | ip.run_cell('tmp=1;"""a\nb"""\n') |
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64 | 66 | self.assertEquals(ip.user_ns['tmp'], 1) |
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65 | 67 | |
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68 | @dec.skip_known_failure | |
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66 | 69 | def test_dont_cache_with_semicolon(self): |
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67 | 70 | "Ending a line with semicolon should not cache the returned object (GH-307)" |
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68 | 71 | ip = get_ipython() |
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69 | 72 | oldlen = len(ip.user_ns['Out']) |
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70 | 73 | a = ip.run_cell('1;') |
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71 | 74 | newlen = len(ip.user_ns['Out']) |
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72 | 75 | self.assertEquals(oldlen, newlen) |
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73 | 76 | #also test the default caching behavior |
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74 | 77 | ip.run_cell('1') |
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75 | 78 | newlen = len(ip.user_ns['Out']) |
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76 | 79 | self.assertEquals(oldlen+1, newlen) |
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77 | ||
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80 | ||
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78 | 81 | def test_In_variable(self): |
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79 | 82 | "Verify that In variable grows with user input (GH-284)" |
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80 | 83 | ip = get_ipython() |
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81 | 84 | oldlen = len(ip.user_ns['In']) |
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82 | 85 | ip.run_cell('1;') |
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83 | 86 | newlen = len(ip.user_ns['In']) |
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84 | 87 | self.assertEquals(oldlen+1, newlen) |
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85 | 88 | self.assertEquals(ip.user_ns['In'][-1],'1;') |
@@ -1,205 +1,206 b'' | |||
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1 | 1 | """Tests for code execution (%run and related), which is particularly tricky. |
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2 | 2 | |
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3 | 3 | Because of how %run manages namespaces, and the fact that we are trying here to |
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4 | 4 | verify subtle object deletion and reference counting issues, the %run tests |
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5 | 5 | will be kept in this separate file. This makes it easier to aggregate in one |
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6 | 6 | place the tricks needed to handle it; most other magics are much easier to test |
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7 | 7 | and we do so in a common test_magic file. |
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8 | 8 | """ |
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9 | 9 | from __future__ import absolute_import |
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10 | 10 | |
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11 | 11 | #----------------------------------------------------------------------------- |
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12 | 12 | # Imports |
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13 | 13 | #----------------------------------------------------------------------------- |
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14 | 14 | |
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15 | 15 | import os |
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16 | 16 | import sys |
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17 | 17 | import tempfile |
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18 | 18 | |
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19 | 19 | import nose.tools as nt |
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20 | 20 | |
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21 | 21 | from IPython.testing import decorators as dec |
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22 | 22 | from IPython.testing import tools as tt |
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23 | 23 | |
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24 | 24 | #----------------------------------------------------------------------------- |
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25 | 25 | # Test functions begin |
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26 | 26 | #----------------------------------------------------------------------------- |
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27 | 27 | |
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28 | 28 | def doctest_refbug(): |
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29 | 29 | """Very nasty problem with references held by multiple runs of a script. |
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30 | 30 | See: https://bugs.launchpad.net/ipython/+bug/269966 |
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31 | 31 | |
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32 | 32 | In [1]: _ip.clear_main_mod_cache() |
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33 | 33 | # random |
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34 | 34 | |
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35 | 35 | In [2]: %run refbug |
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36 | 36 | |
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37 | 37 | In [3]: call_f() |
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38 | 38 | lowercased: hello |
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39 | 39 | |
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40 | 40 | In [4]: %run refbug |
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41 | 41 | |
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42 | 42 | In [5]: call_f() |
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43 | 43 | lowercased: hello |
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44 | 44 | lowercased: hello |
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45 | 45 | """ |
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46 | 46 | |
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47 | 47 | |
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48 | 48 | def doctest_run_builtins(): |
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49 | 49 | r"""Check that %run doesn't damage __builtins__. |
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50 | 50 | |
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51 | 51 | In [1]: import tempfile |
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52 | 52 | |
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53 | 53 | In [2]: bid1 = id(__builtins__) |
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54 | 54 | |
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55 | 55 | In [3]: fname = tempfile.mkstemp('.py')[1] |
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56 | 56 | |
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57 | 57 | In [3]: f = open(fname,'w') |
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58 | 58 | |
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59 | 59 | In [4]: f.write('pass\n') |
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60 | 60 | |
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61 | 61 | In [5]: f.flush() |
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62 | 62 | |
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63 | 63 | In [6]: t1 = type(__builtins__) |
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64 | 64 | |
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65 | 65 | In [7]: %run $fname |
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66 | 66 | |
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67 | 67 | In [7]: f.close() |
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68 | 68 | |
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69 | 69 | In [8]: bid2 = id(__builtins__) |
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70 | 70 | |
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71 | 71 | In [9]: t2 = type(__builtins__) |
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72 | 72 | |
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73 | 73 | In [10]: t1 == t2 |
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74 | 74 | Out[10]: True |
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75 | 75 | |
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76 | 76 | In [10]: bid1 == bid2 |
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77 | 77 | Out[10]: True |
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78 | 78 | |
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79 | 79 | In [12]: try: |
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80 | 80 | ....: os.unlink(fname) |
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81 | 81 | ....: except: |
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82 | 82 | ....: pass |
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83 | 83 | ....: |
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84 | 84 | """ |
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85 | 85 | |
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86 | 86 | def doctest_reset_del(): |
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87 | 87 | """Test that resetting doesn't cause errors in __del__ methods. |
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88 | 88 | |
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89 | 89 | In [2]: class A(object): |
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90 | 90 | ...: def __del__(self): |
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91 | 91 | ...: print str("Hi") |
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92 | 92 | ...: |
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93 | 93 | |
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94 | 94 | In [3]: a = A() |
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95 | 95 | |
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96 | 96 | In [4]: get_ipython().reset() |
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97 | 97 | Hi |
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98 | 98 | |
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99 | 99 | In [5]: 1+1 |
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100 | 100 | Out[5]: 2 |
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101 | 101 | """ |
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102 | 102 | |
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103 | 103 | # For some tests, it will be handy to organize them in a class with a common |
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104 | 104 | # setup that makes a temp file |
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105 | 105 | |
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106 | 106 | class TestMagicRunPass(tt.TempFileMixin): |
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107 | 107 | |
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108 | 108 | def setup(self): |
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109 | 109 | """Make a valid python temp file.""" |
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110 | 110 | self.mktmp('pass\n') |
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111 | 111 | |
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112 | 112 | def run_tmpfile(self): |
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113 | 113 | _ip = get_ipython() |
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114 | 114 | # This fails on Windows if self.tmpfile.name has spaces or "~" in it. |
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115 | 115 | # See below and ticket https://bugs.launchpad.net/bugs/366353 |
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116 | 116 | _ip.magic('run %s' % self.fname) |
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117 | 117 | |
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118 | 118 | def test_builtins_id(self): |
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119 | 119 | """Check that %run doesn't damage __builtins__ """ |
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120 | 120 | _ip = get_ipython() |
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121 | 121 | # Test that the id of __builtins__ is not modified by %run |
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122 | 122 | bid1 = id(_ip.user_ns['__builtins__']) |
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123 | 123 | self.run_tmpfile() |
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124 | 124 | bid2 = id(_ip.user_ns['__builtins__']) |
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125 | 125 | tt.assert_equals(bid1, bid2) |
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126 | 126 | |
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127 | 127 | def test_builtins_type(self): |
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128 | 128 | """Check that the type of __builtins__ doesn't change with %run. |
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129 | 129 | |
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130 | 130 | However, the above could pass if __builtins__ was already modified to |
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131 | 131 | be a dict (it should be a module) by a previous use of %run. So we |
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132 | 132 | also check explicitly that it really is a module: |
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133 | 133 | """ |
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134 | 134 | _ip = get_ipython() |
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135 | 135 | self.run_tmpfile() |
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136 | 136 | tt.assert_equals(type(_ip.user_ns['__builtins__']),type(sys)) |
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137 | 137 | |
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138 | 138 | def test_prompts(self): |
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139 | 139 | """Test that prompts correctly generate after %run""" |
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140 | 140 | self.run_tmpfile() |
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141 | 141 | _ip = get_ipython() |
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142 | 142 | p2 = str(_ip.displayhook.prompt2).strip() |
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143 | 143 | nt.assert_equals(p2[:3], '...') |
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144 | 144 | |
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145 | 145 | |
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146 | 146 | class TestMagicRunSimple(tt.TempFileMixin): |
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147 | 147 | |
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148 | 148 | def test_simpledef(self): |
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149 | 149 | """Test that simple class definitions work.""" |
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150 | 150 | src = ("class foo: pass\n" |
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151 | 151 | "def f(): return foo()") |
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152 | 152 | self.mktmp(src) |
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153 | 153 | _ip.magic('run %s' % self.fname) |
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154 | 154 | _ip.runlines('t = isinstance(f(), foo)') |
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155 | 155 | nt.assert_true(_ip.user_ns['t']) |
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156 | 156 | |
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157 | 157 | # We have to skip these in win32 because getoutputerr() crashes, |
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158 | 158 | # due to the fact that subprocess does not support close_fds when |
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159 | 159 | # redirecting stdout/err. So unless someone who knows more tells us how to |
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160 | 160 | # implement getoutputerr() in win32, we're stuck avoiding these. |
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161 | 161 | @dec.skip_win32 |
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162 | 162 | def test_obj_del(self): |
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163 | 163 | """Test that object's __del__ methods are called on exit.""" |
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164 | 164 | |
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165 | 165 | # This test is known to fail on win32. |
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166 | 166 | # See ticket https://bugs.launchpad.net/bugs/366334 |
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167 | 167 | src = ("class A(object):\n" |
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168 | 168 | " def __del__(self):\n" |
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169 | 169 | " print 'object A deleted'\n" |
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170 | 170 | "a = A()\n") |
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171 | 171 | self.mktmp(src) |
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172 | 172 | tt.ipexec_validate(self.fname, 'object A deleted') |
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173 | 173 | |
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174 | @dec.skip_known_failure | |
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174 | 175 | def test_aggressive_namespace_cleanup(self): |
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175 | 176 | """Test that namespace cleanup is not too aggressive GH-238 |
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176 | ||
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177 |
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177 | ||
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178 | Returning from another run magic deletes the namespace""" | |
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178 | 179 | # see ticket https://github.com/ipython/ipython/issues/238 |
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179 | 180 | class secondtmp(tt.TempFileMixin): pass |
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180 | 181 | empty = secondtmp() |
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181 | 182 | empty.mktmp('') |
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182 | 183 | src = ("ip = get_ipython()\n" |
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183 | 184 | "for i in range(5):\n" |
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184 | 185 | " try:\n" |
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185 | 186 | " ip.magic('run %s')\n" |
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186 | 187 | " except NameError, e:\n" |
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187 | 188 | " print i;break\n" % empty.fname) |
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188 | 189 | self.mktmp(src) |
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189 | 190 | _ip.magic('run %s' % self.fname) |
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190 | 191 | _ip.runlines('ip == get_ipython()') |
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191 | 192 | tt.assert_equals(_ip.user_ns['i'], 5) |
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192 | 193 | |
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193 | 194 | @dec.skip_win32 |
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194 | 195 | def test_tclass(self): |
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195 | 196 | mydir = os.path.dirname(__file__) |
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196 | 197 | tc = os.path.join(mydir, 'tclass') |
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197 | 198 | src = ("%%run '%s' C-first\n" |
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198 | 199 | "%%run '%s' C-second\n") % (tc, tc) |
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199 | 200 | self.mktmp(src, '.ipy') |
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200 | 201 | out = """\ |
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201 | 202 | ARGV 1-: [u'C-first'] |
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202 | 203 | ARGV 1-: [u'C-second'] |
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203 | 204 | tclass.py: deleting object: C-first |
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204 | 205 | """ |
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205 | 206 | tt.ipexec_validate(self.fname, out) |
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