test_tornado_template.py 文件源码

def test_template_renderer_exception(self):
        # it should trace the Template exceptions generation even outside web handlers
        t = template.Template('{% module ModuleThatDoesNotExist() %}')
        with assert_raises(NameError):
            t.generate()

        traces = self.tracer.writer.pop_traces()
        eq_(1, len(traces))
        eq_(1, len(traces[0]))

        template_span = traces[0][0]
        eq_('tornado-web', template_span.service)
        eq_('tornado.template', template_span.name)
        eq_('template', template_span.span_type)
        eq_('render_string', template_span.resource)
        eq_('render_string', template_span.get_tag('tornado.template_name'))
        eq_(1, template_span.error)
        ok_('is not defined' in template_span.get_tag('error.msg'))
        ok_('NameError' in template_span.get_tag('error.stack'))