def test_correct_span_names(self):
cursor = self.cursor
tracer = self.tracer
cursor.rowcount = 0
pin = Pin('pin_name', tracer=tracer)
traced_cursor = TracedCursor(cursor, pin)
traced_cursor.execute('arg_1', kwarg1='kwarg1')
self.assert_structure(dict(name='sql.query'))
self.reset()
traced_cursor.executemany('arg_1', kwarg1='kwarg1')
self.assert_structure(dict(name='sql.query'))
self.reset()
traced_cursor.callproc('arg_1', 'arg2')
self.assert_structure(dict(name='sql.query'))
self.reset()
traced_cursor.fetchone('arg_1', kwarg1='kwarg1')
self.assert_has_no_spans()
traced_cursor.fetchmany('arg_1', kwarg1='kwarg1')
self.assert_has_no_spans()
traced_cursor.fetchall('arg_1', kwarg1='kwarg1')
self.assert_has_no_spans()
def test_when_pin_disabled_then_no_tracing(self):
cursor = self.cursor
tracer = self.tracer
cursor.rowcount = 0
cursor.execute.return_value = '__result__'
cursor.executemany.return_value = '__result__'
tracer.enabled = False
pin = Pin('pin_name', tracer=tracer)
traced_cursor = TracedCursor(cursor, pin)
assert '__result__' == traced_cursor.execute('arg_1', kwarg1='kwarg1')
assert len(tracer.writer.pop()) == 0
assert '__result__' == traced_cursor.executemany('arg_1', kwarg1='kwarg1')
assert len(tracer.writer.pop()) == 0
cursor.callproc.return_value = 'callproc'
assert 'callproc' == traced_cursor.callproc('arg_1', 'arg_2')
assert len(tracer.writer.pop()) == 0
cursor.fetchone.return_value = 'fetchone'
assert 'fetchone' == traced_cursor.fetchone('arg_1', 'arg_2')
assert len(tracer.writer.pop()) == 0
cursor.fetchmany.return_value = 'fetchmany'
assert 'fetchmany' == traced_cursor.fetchmany('arg_1', 'arg_2')
assert len(tracer.writer.pop()) == 0
cursor.fetchall.return_value = 'fetchall'
assert 'fetchall' == traced_cursor.fetchall('arg_1', 'arg_2')
assert len(tracer.writer.pop()) == 0
def test_execute_wrapped_is_called_and_returned(self):
cursor = self.cursor
cursor.rowcount = 0
cursor.execute.return_value = '__result__'
pin = Pin('pin_name', tracer=self.tracer)
traced_cursor = TracedCursor(cursor, pin)
# DEV: We always pass through the result
assert '__result__' == traced_cursor.execute('__query__', 'arg_1', kwarg1='kwarg1')
cursor.execute.assert_called_once_with('__query__', 'arg_1', kwarg1='kwarg1')
def test_cursor_analytics_default(self):
cursor = self.cursor
cursor.rowcount = 0
cursor.execute.return_value = '__result__'
pin = Pin('pin_name', tracer=self.tracer)
traced_cursor = TracedCursor(cursor, pin)
# DEV: We always pass through the result
assert '__result__' == traced_cursor.execute('__query__', 'arg_1', kwarg1='kwarg1')
span = self.tracer.writer.pop()[0]
self.assertIsNone(span.get_metric(ANALYTICS_SAMPLE_RATE_KEY))
def test_cursor_analytics_without_rate(self):
with self.override_config(
'dbapi2',
dict(analytics_enabled=True)
):
cursor = self.cursor
cursor.rowcount = 0
cursor.execute.return_value = '__result__'
pin = Pin('pin_name', tracer=self.tracer)
traced_cursor = TracedCursor(cursor, pin)
# DEV: We always pass through the result
assert '__result__' == traced_cursor.execute('__query__', 'arg_1', kwarg1='kwarg1')
span = self.tracer.writer.pop()[0]
self.assertEqual(span.get_metric(ANALYTICS_SAMPLE_RATE_KEY), 1.0)