| """ !Changing this line will break Test_findfile.test_found! |
| Non-gui unit tests for grep.GrepDialog methods. |
| dummy_command calls grep_it calls findfiles. |
| An exception raised in one method will fail callers. |
| Otherwise, tests are mostly independent. |
| *** Currently only test grep_it. |
| """ |
| import unittest |
| from test.support import captured_stdout |
| from idlelib.idle_test.mock_tk import Var |
| from idlelib.grep import GrepDialog |
| import re |
| |
| class Dummy_searchengine: |
| '''GrepDialog.__init__ calls parent SearchDiabolBase which attaches the |
| passed in SearchEngine instance as attribute 'engine'. Only a few of the |
| many possible self.engine.x attributes are needed here. |
| ''' |
| def getpat(self): |
| return self._pat |
| |
| searchengine = Dummy_searchengine() |
| |
| class Dummy_grep: |
| # Methods tested |
| #default_command = GrepDialog.default_command |
| grep_it = GrepDialog.grep_it |
| findfiles = GrepDialog.findfiles |
| # Other stuff needed |
| recvar = Var(False) |
| engine = searchengine |
| def close(self): # gui method |
| pass |
| |
| grep = Dummy_grep() |
| |
| class FindfilesTest(unittest.TestCase): |
| # findfiles is really a function, not a method, could be iterator |
| # test that filename return filename |
| # test that idlelib has many .py files |
| # test that recursive flag adds idle_test .py files |
| pass |
| |
| class Grep_itTest(unittest.TestCase): |
| # Test captured reports with 0 and some hits. |
| # Should test file names, but Windows reports have mixed / and \ separators |
| # from incomplete replacement, so 'later'. |
| |
| def report(self, pat): |
| grep.engine._pat = pat |
| with captured_stdout() as s: |
| grep.grep_it(re.compile(pat), __file__) |
| lines = s.getvalue().split('\n') |
| lines.pop() # remove bogus '' after last \n |
| return lines |
| |
| def test_unfound(self): |
| pat = 'xyz*'*7 |
| lines = self.report(pat) |
| self.assertEqual(len(lines), 2) |
| self.assertIn(pat, lines[0]) |
| self.assertEqual(lines[1], 'No hits.') |
| |
| def test_found(self): |
| |
| pat = '""" !Changing this line will break Test_findfile.test_found!' |
| lines = self.report(pat) |
| self.assertEqual(len(lines), 5) |
| self.assertIn(pat, lines[0]) |
| self.assertIn('py: 1:', lines[1]) # line number 1 |
| self.assertIn('2', lines[3]) # hits found 2 |
| self.assertTrue(lines[4].startswith('(Hint:')) |
| |
| class Default_commandTest(unittest.TestCase): |
| # To write this, move outwin import to top of GrepDialog |
| # so it can be replaced by captured_stdout in class setup/teardown. |
| pass |
| |
| if __name__ == '__main__': |
| unittest.main(verbosity=2, exit=False) |