127 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			127 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			Python
		
	
	
	
| """ basic test session implementation. 
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| 
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| * drives collection of tests 
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| * triggers executions of tests   
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| * produces events used by reporting 
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| """
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| 
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| import py
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| from py.impl.test import outcome
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| 
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| # imports used for genitems()
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| Item = py.test.collect.Item
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| Collector = py.test.collect.Collector
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| 
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| class Session(object): 
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|     """ 
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|         Session drives the collection and running of tests
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|         and generates test events for reporters. 
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|     """ 
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|     def __init__(self, config):
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|         self.config = config
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|         self.pluginmanager = config.pluginmanager # shortcut 
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|         self.pluginmanager.register(self)
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|         self._testsfailed = False
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|         self._nomatch = False
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|         self.shouldstop = False
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| 
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|     def genitems(self, colitems, keywordexpr=None):
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|         """ yield Items from iterating over the given colitems. """
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|         while colitems: 
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|             next = colitems.pop(0)
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|             if isinstance(next, (tuple, list)):
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|                 colitems[:] = list(next) + colitems 
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|                 continue
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|             assert self.pluginmanager is next.config.pluginmanager
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|             if isinstance(next, Item):
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|                 remaining = self.filteritems([next])
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|                 if remaining:
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|                     self.config.hook.pytest_itemstart(item=next)
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|                     yield next 
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|             else:
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|                 assert isinstance(next, Collector)
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|                 self.config.hook.pytest_collectstart(collector=next)
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|                 rep = self.config.hook.pytest_make_collect_report(collector=next)
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|                 if rep.passed:
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|                     for x in self.genitems(rep.result, keywordexpr):
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|                         yield x 
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|                 self.config.hook.pytest_collectreport(report=rep)
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|             if self.shouldstop:
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|                 break
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| 
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|     def filteritems(self, colitems):
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|         """ return items to process (some may be deselected)"""
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|         keywordexpr = self.config.option.keyword 
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|         if not keywordexpr or self._nomatch:
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|             return colitems
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|         if keywordexpr[-1] == ":": 
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|             keywordexpr = keywordexpr[:-1]
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|         remaining = []
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|         deselected = []
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|         for colitem in colitems:
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|             if isinstance(colitem, Item):
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|                 if colitem._skipbykeyword(keywordexpr):
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|                     deselected.append(colitem)
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|                     continue
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|             remaining.append(colitem)
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|         if deselected: 
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|             self.config.hook.pytest_deselected(items=deselected)
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|             if self.config.option.keyword.endswith(":"):
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|                 self._nomatch = True
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|         return remaining 
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| 
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|     def collect(self, colitems): 
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|         keyword = self.config.option.keyword
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|         for x in self.genitems(colitems, keyword):
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|             yield x
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| 
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|     def sessionstarts(self):
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|         """ setup any neccessary resources ahead of the test run. """
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|         self.config.hook.pytest_sessionstart(session=self)
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|         
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|     def pytest_runtest_logreport(self, report):
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|         if report.failed:
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|             self._testsfailed = True
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|             if self.config.option.exitfirst:
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|                 self.shouldstop = True
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|     pytest_collectreport = pytest_runtest_logreport
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| 
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|     def sessionfinishes(self, exitstatus):
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|         """ teardown any resources after a test run. """ 
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|         self.config.hook.pytest_sessionfinish(
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|             session=self, 
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|             exitstatus=exitstatus, 
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|         )
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| 
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|     def getinitialitems(self, colitems):
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|         if colitems is None:
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|             colitems = [self.config.getfsnode(arg) 
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|                             for arg in self.config.args]
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|         return colitems
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| 
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|     def main(self, colitems=None):
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|         """ main loop for running tests. """
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|         colitems = self.getinitialitems(colitems)
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|         self.shouldstop = False 
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|         self.sessionstarts()
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|         exitstatus = outcome.EXIT_OK
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|         captured_excinfo = None
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|         try:
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|             for item in self.collect(colitems): 
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|                 if self.shouldstop: 
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|                     break 
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|                 if not self.config.option.collectonly: 
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|                     item.config.hook.pytest_runtest_protocol(item=item)
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|         except KeyboardInterrupt:
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|             excinfo = py.code.ExceptionInfo()
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|             self.config.hook.pytest_keyboard_interrupt(excinfo=excinfo)
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|             exitstatus = outcome.EXIT_INTERRUPTED
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|         except:
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|             excinfo = py.code.ExceptionInfo()
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|             self.config.pluginmanager.notify_exception(captured_excinfo)
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|             exitstatus = outcome.EXIT_INTERNALERROR
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|         if exitstatus == 0 and self._testsfailed:
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|             exitstatus = outcome.EXIT_TESTSFAILED
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|         self.sessionfinishes(exitstatus=exitstatus)
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|         return exitstatus
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