1 | """ !Changing this line will break Test_findfile.test_found! |
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2 | Non-gui unit tests for idlelib.GrepDialog methods. |
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3 | dummy_command calls grep_it calls findfiles. |
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4 | An exception raised in one method will fail callers. |
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5 | Otherwise, tests are mostly independent. |
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6 | *** Currently only test grep_it. |
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7 | """ |
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8 | import unittest |
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9 | from test.test_support import captured_stdout, findfile |
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10 | from idlelib.idle_test.mock_tk import Var |
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11 | from idlelib.GrepDialog import GrepDialog |
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12 | import re |
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13 | |
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14 | __file__ = findfile('idlelib/idle_test') + '/test_grep.py' |
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15 | |
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16 | class Dummy_searchengine: |
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17 | '''GrepDialog.__init__ calls parent SearchDiabolBase which attaches the |
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18 | passed in SearchEngine instance as attribute 'engine'. Only a few of the |
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19 | many possible self.engine.x attributes are needed here. |
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20 | ''' |
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21 | def getpat(self): |
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22 | return self._pat |
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23 | |
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24 | searchengine = Dummy_searchengine() |
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25 | |
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26 | class Dummy_grep: |
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27 | # Methods tested |
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28 | #default_command = GrepDialog.default_command |
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29 | grep_it = GrepDialog.grep_it.im_func |
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30 | findfiles = GrepDialog.findfiles.im_func |
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31 | # Other stuff needed |
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32 | recvar = Var(False) |
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33 | engine = searchengine |
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34 | def close(self): # gui method |
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35 | pass |
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36 | |
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37 | grep = Dummy_grep() |
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38 | |
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39 | class FindfilesTest(unittest.TestCase): |
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40 | # findfiles is really a function, not a method, could be iterator |
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41 | # test that filename return filename |
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42 | # test that idlelib has many .py files |
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43 | # test that recursive flag adds idle_test .py files |
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44 | pass |
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45 | |
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46 | class Grep_itTest(unittest.TestCase): |
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47 | # Test captured reports with 0 and some hits. |
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48 | # Should test file names, but Windows reports have mixed / and \ separators |
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49 | # from incomplete replacement, so 'later'. |
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50 | |
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51 | def report(self, pat): |
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52 | grep.engine._pat = pat |
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53 | with captured_stdout() as s: |
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54 | grep.grep_it(re.compile(pat), __file__) |
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55 | lines = s.getvalue().split('\n') |
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56 | lines.pop() # remove bogus '' after last \n |
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57 | return lines |
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58 | |
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59 | def test_unfound(self): |
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60 | pat = 'xyz*'*7 |
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61 | lines = self.report(pat) |
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62 | self.assertEqual(len(lines), 2) |
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63 | self.assertIn(pat, lines[0]) |
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64 | self.assertEqual(lines[1], 'No hits.') |
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65 | |
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66 | def test_found(self): |
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67 | |
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68 | pat = '""" !Changing this line will break Test_findfile.test_found!' |
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69 | lines = self.report(pat) |
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70 | self.assertEqual(len(lines), 5) |
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71 | self.assertIn(pat, lines[0]) |
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72 | self.assertIn('py: 1:', lines[1]) # line number 1 |
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73 | self.assertIn('2', lines[3]) # hits found 2 |
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74 | self.assertTrue(lines[4].startswith('(Hint:')) |
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75 | |
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76 | class Default_commandTest(unittest.TestCase): |
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77 | # To write this, mode OutputWindow import to top of GrepDialog |
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78 | # so it can be replaced by captured_stdout in class setup/teardown. |
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79 | pass |
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80 | |
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81 | if __name__ == '__main__': |
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82 | unittest.main(verbosity=2, exit=False) |
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