JezK
Edit File: test_grep.py
""" !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, coverage 51%. """ from idlelib.grep import GrepDialog import unittest from test.support import captured_stdout from idlelib.idle_test.mock_tk import Var 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)