test_trace.py 文件源码

def test_exec_counts(self):
        self.tracer = Trace(count=1, trace=0, countfuncs=0, countcallers=0)
        code = r'''traced_func_loop(2, 5)'''
        code = compile(code, __file__, 'exec')
        self.tracer.runctx(code, globals(), vars())

        firstlineno = get_firstlineno(traced_func_loop)
        expected = {
            (self.my_py_filename, firstlineno + 1): 1,
            (self.my_py_filename, firstlineno + 2): 6,
            (self.my_py_filename, firstlineno + 3): 5,
            (self.my_py_filename, firstlineno + 4): 1,
        }

        # When used through 'run', some other spurious counts are produced, like
        # the settrace of threading, which we ignore, just making sure that the
        # counts fo traced_func_loop were right.
        #
        for k in expected.keys():
            self.assertEqual(self.tracer.results().counts[k], expected[k])