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How to use _do_query method in autotest

Best Python code snippet using autotest_python

test_caching.py

Source:test_caching.py

...28        self.da = DA.DA('da','title','conn_id','arg1 arg2','some sql')29        # set the da's caching parameters30        self.da.cache_time_ = 1031        self.da.max_cache_ = 232    def _do_query(self,query,t):33        try:34            self.DA.time = DummyTime(t)35            result = self.da._cached_result(DummyDB(),query,1,'conn_id')36        finally:37            self.DA.time = time38        self.assertEqual(result,'result for '+query)39    def _check_mapping(self,expected,actual):40        missing = []41        extra = []42        different = []43        for key,value in expected.items():44            try:45                ai = actual[key]46            except KeyError:47                missing.append(key)48            else:49                if ai!=value:50                    different.append('%r: %r != %r' % (key,value,ai))51        for key in actual.keys():52            try:53                expected[key]54            except KeyError:55                extra.append(key)56        result = []57        if different:58            different.sort()59            result.append("Mismatching, key: (expected != actual):")60            for r in different:61                result.append(r)62        if missing:63            missing.sort()64            result.append("The following keys were missing from actual:")65            for r in missing:66                result.append(repr(r))67        if extra:68            extra.sort()69            result.append("The following extra keys were found in actual:")70            for r in extra:71                result.append(repr(r))72        return result73        74    def _check_cache(self,cache,tcache):75        if self.echo:76            print "cache:"77            pprint(self.da._v_cache[0])78            print "tcache:"79            pprint(self.da._v_cache[1])80            print81        result = []82        r = self._check_mapping(cache,self.da._v_cache[0])83        if r:84            result.append("cache didn't match expected:")85            result.extend(r)86        r = self._check_mapping(tcache,self.da._v_cache[1])87        if r:88            result.append("tcache didn't match expected:")89            result.extend(r)90        if result:91            self.fail('\n\n'+'\n'.join(result))92        93    def test_bad_aquisition(self):94        # checks that something called _v_cache isn't acquired from anywhere95        from ExtensionClass import Base96        class Dummy(Base):97            _v_cache = 'muhahaha'98        obj = Dummy()99        self.da = self.da.__of__(obj)100        del self.da._v_cache101        self._do_query('query',1)102        103    def test_same_query_different_seconds(self):104        # this tests a sequence of requests for the same105        # query, but where the item returned is always in the cache106        self._check_cache({},{})107        for t in range(1,6):108            self._do_query('query',t)109            self._check_cache(110                {('query',1,'conn_id'): (1,'result for query')},111                {1: ('query',1,'conn_id')}112                )113    def test_same_query_same_second(self):114        # this tests a sequence set of requests for the same115        # query, but where the item returned is always in the cache116        # and where the queries all occur in the same second117        self._check_cache({},{})118        for t in range(11,16,1):119            t = float(t)/10120            self._do_query('query',t)121            self._check_cache(122                {('query',1,'conn_id'): (1.1,'result for query')},123                {1.1: ('query',1,'conn_id')}124                )125    def test_different_queries_different_second(self):126        # This tests different queries being fired into the cache127        # in sufficient volume to excercise the purging code128        self._check_cache({},{})129        # one130        self._do_query('query1',1.1)131        self._check_cache(132            {('query1',1,'conn_id'): (1.1,'result for query1')},133            {1.1: ('query1',1,'conn_id')}134            )135        # two136        self._do_query( 'query2',3.2)137        self._check_cache(138            {('query1',1,'conn_id'): (1.1,'result for query1'),139             ('query2',1,'conn_id'): (3.2,'result for query2'),},140            {1.1: ('query1',1,'conn_id'),141             3.2: ('query2',1,'conn_id'),}142            )143        # three - now we drop our first cache entry144        self._do_query('query3',4.3)145        self._check_cache(146            {('query2',1,'conn_id'): (3.2,'result for query2'),147             ('query3',1,'conn_id'): (4.3,'result for query3'),},148            {3.2: ('query2',1,'conn_id'),149             4.3: ('query3',1,'conn_id'),}150            )151        # four - now we drop our second cache entry152        self._do_query('query4',8.4)153        self._check_cache(154            {('query3',1,'conn_id'): (4.3,'result for query3'),155             ('query4',1,'conn_id'): (8.4,'result for query4'),},156            {4.3: ('query3',1,'conn_id'),157             8.4: ('query4',1,'conn_id'),}158            )159        160    def test_different_queries_same_second(self):161        # This tests different queries being fired into the cache162        # in the same second in sufficient quantities to exercise163        # the purging code164        self._check_cache({},{})165        # one166        self._do_query('query1',1.0)167        self._check_cache(168            {('query1',1,'conn_id'): (1.0,'result for query1')},169            {1.0: ('query1',1,'conn_id')}170            )171        # two172        self._do_query( 'query2',1.1)173        self._check_cache(174            {('query1',1,'conn_id'): (1.0,'result for query1'),175             ('query2',1,'conn_id'): (1.1,'result for query2'),},176            {1.0: ('query1',1,'conn_id'),177             1.1: ('query2',1,'conn_id'),}178            )179        # three - now we drop our first cache entry180        self._do_query('query3',1.2)181        self._check_cache(182            {('query2',1,'conn_id'): (1.1,'result for query2'),183             ('query3',1,'conn_id'): (1.2,'result for query3'),},184            {1.1: ('query2',1,'conn_id'),185             1.2: ('query3',1,'conn_id'),}186            )187        # four - now we drop another cache entry188        self._do_query('query4',1.3)189        self._check_cache(190            {('query3',1,'conn_id'): (1.2,'result for query3'),191             ('query4',1,'conn_id'): (1.3,'result for query4'),},192            {1.2: ('query3',1,'conn_id'),193             1.3: ('query4',1,'conn_id'),}194            )195    def test_time_tcache_expires(self):196        # This tests that once the cache purging code is triggered,197        # it will actively hoover out all expired cache entries198        199        # the first query gets cached200        self._do_query('query1',1)201        self._check_cache(202            {('query1',1,'conn_id'): (1,'result for query1')},203            {1: ('query1',1,'conn_id')}204            )205        # the 2nd gets cached, the cache is still smaller than max_cache206        self._do_query('query2',2)207        self._check_cache(208            {('query1',1,'conn_id'): (1,'result for query1'),209             ('query2',1,'conn_id'): (2,'result for query2')},210            {1: ('query1',1,'conn_id'),211             2:('query2',1,'conn_id')}212            )213        # the 3rd trips the max_cache trigger, so both our old queries get214        # dumped because they are past their expiration time215        self._do_query('query',23)216        self._check_cache(217            {('query',1,'conn_id'): (23,'result for query')},218            {23:('query',1,'conn_id')}219            )220    221    def test_time_refreshed_cache(self):222        # This tests that when a cached query is expired when it comes223        # to check for a cached entry for that query, the stale entry is224        # removed and replaced with a fresh entry.225        226        # the first query gets cached227        self._do_query('query1',1)228        self._check_cache(229            {('query1',1,'conn_id'): (1,'result for query1')},230            {1: ('query1',1,'conn_id')}231            )232        # do the same query much later, so new one gets cached233        self._do_query('query1',12)234        self._check_cache(235            {('query1',1,'conn_id'): (12,'result for query1')},236            {12: ('query1',1,'conn_id')}237            )238class DummyDA:239    def __call__(self):240        conn = DummyDB()241        conn.result = ((),())242        return conn243    sql_quote__ = "I don't know what this is."244class Hook:245    conn_num = 1246    247    def __call__(self):...

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