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  • 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.

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bzrlib/branch.py
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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from copy import deepcopy
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from unittest import TestSuite
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from warnings import warn
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import bzrlib
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        return BasicTags(self)
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class BranchTestProviderAdapter(object):
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    """A tool to generate a suite testing multiple branch formats at once.
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    This is done by copying the test once for each transport and injecting
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    the transport_server, transport_readonly_server, and branch_format
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    classes into each copy. Each copy is also given a new id() to make it
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    easy to identify.
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    """
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    def __init__(self, transport_server, transport_readonly_server, formats,
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        vfs_transport_factory=None):
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        self._transport_server = transport_server
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        self._transport_readonly_server = transport_readonly_server
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        self._formats = formats
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    def adapt(self, test):
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        result = TestSuite()
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        for branch_format, bzrdir_format in self._formats:
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            new_test = deepcopy(test)
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            new_test.transport_server = self._transport_server
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            new_test.transport_readonly_server = self._transport_readonly_server
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            new_test.bzrdir_format = bzrdir_format
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            new_test.branch_format = branch_format
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            def make_new_test_id():
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                # the format can be either a class or an instance
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                name = getattr(branch_format, '__name__',
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                        branch_format.__class__.__name__)
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                new_id = "%s(%s)" % (new_test.id(), name)
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                return lambda: new_id
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            new_test.id = make_new_test_id()
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            result.addTest(new_test)
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        return result
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######################################################################
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# results of operations
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