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# dependency injection ('scenarios') by tests.
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# Copyright (c) 2009, Robert Collins <robertc@robertcollins.net>
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# Copyright (c) 2010 Martin Pool <mbp@sourcefrog.net>
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# Copyright (c) 2010, 2011 Martin Pool <mbp@sourcefrog.net>
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# Licensed under either the Apache License, Version 2.0 or the BSD 3-clause
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# license at the users choice. A copy of both licenses are available in the
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scenario_parameters.update(parameter)
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result.append((scenario_name, scenario_parameters))
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def per_module_scenarios(attribute_name, modules):
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"""Generate scenarios for available implementation modules.
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This is typically used when there is a subsystem implemented, for
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example, in both Python and C, and we want to apply the same tests to
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both, but the C module may sometimes not be available.
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Note: if the module can't be loaded, it's silently omitted from
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:param attribute_name: A name to be set in the scenario parameter
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dictionary (and thence onto the test instance) pointing to the
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implementation module for this scenario.
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:param modules: An iterable of (short_name, module_name), where
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the short name is something like 'python' to put in the
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scenario name, and the long name is a fully-qualified Python module
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for short_name, module_name in modules:
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mod = __import__(module_name, {}, {}, [''])
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# TODO: optionally pass this back through a callback, so it can be
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{attribute_name: mod}))
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lib/testscenarios/scenarios.py
