def test_middleware_exception(self):
"""Ensure exceptions raised in middleware are properly handled.
Uncaught exceptions should result in error tagged spans.
"""
from .app.middleware import ExceptionMiddleware
wsgiapp = ExceptionMiddleware(self._wsgiapp)
app = PylonsTraceMiddleware(wsgiapp, self.tracer, service="web")
app = fixture.TestApp(app)
with pytest.raises(Exception):
app.get(url_for(controller="root", action="index"))
spans = self.pop_spans()
assert spans, spans
assert len(spans) == 1
span = spans[0]
assert_is_measured(span)
assert span.service == "web"
assert span.resource == "None.None"
assert span.error == 1
assert span.get_tag(http.URL) == "http://localhost:80/"
assert_span_http_status_code(span, 500)
assert span.get_tag(errors.ERROR_MSG) == "Middleware exception"
assert span.get_tag(errors.ERROR_TYPE) == "exceptions.Exception"
assert span.get_tag(errors.ERROR_STACK)
def test_mw_exc_success(self):
"""Ensure exceptions can be properly handled by other middleware.
No error should be reported in the span.
"""
from .app.middleware import ExceptionMiddleware
from .app.middleware import ExceptionToSuccessMiddleware
wsgiapp = ExceptionMiddleware(self._wsgiapp)
wsgiapp = ExceptionToSuccessMiddleware(wsgiapp)
app = PylonsTraceMiddleware(wsgiapp, self.tracer, service="web")
app = fixture.TestApp(app)
app.get(url_for(controller="root", action="index"))
spans = self.pop_spans()
assert spans, spans
assert len(spans) == 1
span = spans[0]
assert_is_measured(span)
assert span.service == "web"
assert span.resource == "None.None"
assert span.error == 0
assert span.get_tag(http.URL) == "http://localhost:80/"
assert_span_http_status_code(span, 200)
assert span.get_tag(errors.ERROR_MSG) is None
assert span.get_tag(errors.ERROR_TYPE) is None
assert span.get_tag(errors.ERROR_STACK) is None
def test_controller_exception(self):
"""Ensure exceptions thrown in controllers can be handled.
No error tags should be set in the span.
"""
from .app.middleware import ExceptionToSuccessMiddleware
wsgiapp = ExceptionToSuccessMiddleware(self._wsgiapp)
app = PylonsTraceMiddleware(wsgiapp, self.tracer, service="web")
app = fixture.TestApp(app)
app.get(url_for(controller="root", action="raise_exception"))
spans = self.pop_spans()
assert spans, spans
assert len(spans) == 1
span = spans[0]
assert_is_measured(span)
assert span.service == "web"
assert span.resource == "root.raise_exception"
assert span.error == 0
assert span.get_tag(http.URL) == "http://localhost:80/raise_exception"
assert_span_http_status_code(span, 200)
assert http.QUERY_STRING not in span.meta
assert span.get_tag(errors.ERROR_MSG) is None
assert span.get_tag(errors.ERROR_TYPE) is None
assert span.get_tag(errors.ERROR_STACK) is None
assert span.span_type == "web"
def test_set_tag_measured_change_value():
s = Span(tracer=None, name="test.span")
s.set_tag(SPAN_MEASURED_KEY, True)
assert_is_measured(s)
s.set_tag(SPAN_MEASURED_KEY, False)
assert_is_not_measured(s)
s.set_tag(SPAN_MEASURED_KEY)
assert_is_measured(s)
def test_success_200(self, query_string=""):
if query_string:
fqs = "?" + query_string
else:
fqs = ""
res = self.app.get(url_for(controller="root", action="index") + fqs)
assert res.status == 200
spans = self.pop_spans()
assert spans, spans
assert len(spans) == 1
span = spans[0]
assert_is_measured(span)
assert span.service == "web"
assert span.resource == "root.index"
assert_span_http_status_code(span, 200)
if config.pylons.trace_query_string:
assert span.meta.get(http.QUERY_STRING) == query_string
else:
assert http.QUERY_STRING not in span.meta
assert span.error == 0
def test_exc_success(self):
from .app.middleware import ExceptionToSuccessMiddleware
wsgiapp = ExceptionToSuccessMiddleware(self._wsgiapp)
app = PylonsTraceMiddleware(wsgiapp, self.tracer, service="web")
app = fixture.TestApp(app)
app.get(url_for(controller="root", action="raise_exception"))
spans = self.pop_spans()
assert spans, spans
assert len(spans) == 1
span = spans[0]
assert_is_measured(span)
assert span.service == "web"
assert span.resource == "root.raise_exception"
assert span.error == 0
assert span.get_tag(http.URL) == "http://localhost:80/raise_exception"
assert_span_http_status_code(span, 200)
assert span.get_tag(errors.ERROR_MSG) is None
assert span.get_tag(errors.ERROR_TYPE) is None
assert span.get_tag(errors.ERROR_STACK) is None
def test_set_tag_measured_no_value():
s = Span(tracer=None, name="test.span")
s.set_tag(SPAN_MEASURED_KEY)
assert_is_measured(s)