← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/tests/__init__.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2007-07-02 07:06:39 UTC
  • mfrom: (2553.2.14 integration)
  • Revision ID: pqm@pqm.ubuntu.com-20070702070639-um9oyfoc2i6g8umv
(robertc) Reduce duplication in interface based testing by extracting a new class TestScenarioApplier.

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/tests/__init__.py
2384
2384
    suite = TestUtil.TestSuite()
2385
2385
    loader = TestUtil.TestLoader()
2386
2386
    suite.addTest(loader.loadTestsFromModuleNames(testmod_names))
2387
 
    from bzrlib.transport import TransportTestProviderAdapter
 
2387
    from bzrlib.tests.test_transport_implementations import TransportTestProviderAdapter
2388
2388
    adapter = TransportTestProviderAdapter()
2389
2389
    adapt_modules(test_transport_implementations, adapter, loader, suite)
2390
2390
    for package in packages_to_test():
2489
2489
        if getattr(self, 'feature_name', None):
2490
2490
            return self.feature_name()
2491
2491
        return self.__class__.__name__
 
2492
 
 
2493
 
 
2494
class TestScenarioApplier(object):
 
2495
    """A tool to apply scenarios to tests."""
 
2496
 
 
2497
    def adapt(self, test):
 
2498
        """Return a TestSuite containing a copy of test for each scenario."""
 
2499
        result = unittest.TestSuite()
 
2500
        for scenario in self.scenarios:
 
2501
            result.addTest(self.adapt_test_to_scenario(test, scenario))
 
2502
        return result
 
2503
 
 
2504
    def adapt_test_to_scenario(self, test, scenario):
 
2505
        """Copy test and apply scenario to it.
 
2506
 
 
2507
        :param test: A test to adapt.
 
2508
        :param scenario: A tuple describing the scenarion.
 
2509
            The first element of the tuple is the new test id.
 
2510
            The second element is a dict containing attributes to set on the
 
2511
            test.
 
2512
        :return: The adapted test.
 
2513
        """
 
2514
        from copy import deepcopy
 
2515
        new_test = deepcopy(test)
 
2516
        for name, value in scenario[1].items():
 
2517
            setattr(new_test, name, value)
 
2518
        new_id = "%s(%s)" % (new_test.id(), scenario[0])
 
2519
        new_test.id = lambda: new_id
 
2520
        return new_test