def test_metric_data_creates_statistic_on_add_value(self):
metric = MetricDataStatistic()
self.assertFalse(metric.statistics)
metric.add_value(10)
self.assertTrue(metric.statistics)
assert_statistics(metric.statistics,
min=10,
max=10,
sum=10,
sample_count=1)
def test_build_map_with_statistics(self):
dimensions1 = { "Dimension1": 20, "Dimension2": 30, "Host": "localhost" }
metric = MetricDataStatistic("test_metric", dimensions=dimensions1)
metric.add_value(10)
metric.add_value(20)
metric.add_value(40)
map = {}
prefix = "metric_prefix"
self.builder._add_values(metric, map, prefix)
self.assertEquals(10, map[prefix + QuerystringBuilder._STAT_MIN])
self.assertEquals(40, map[prefix + QuerystringBuilder._STAT_MAX])
self.assertEquals(70, map[prefix + QuerystringBuilder._STAT_SUM])
self.assertEquals(3, map[prefix + QuerystringBuilder._STAT_SAMPLE])
def test_metric_data_calculates_statistic_on_add_value(self):
metric = MetricDataStatistic()
metric.add_value(10)
metric.add_value(-20)
metric.add_value(30)
assert_statistics(metric.statistics,
min=-20,
max=30,
sum=20,
sample_count=3)
def test_build_querystring_with_statistics(self):
dimensions = { "Dimension1": 20, "Dimension2": 30, "Host": "localhost" }
metric = MetricDataStatistic("test_metric", dimensions=dimensions)
metric.add_value(10)
metric.add_value(-20)
metric.add_value(50)
expected_map = get_canonical_map()
expected_map.update(self.builder._build_metric_map([metric]))
querystring = self.builder.build_querystring([metric], get_canonical_map())
self.assertTrue(QuerystringBuilder._STAT_MAX +"=50" in querystring)
self.assertTrue(QuerystringBuilder._STAT_MIN +"=-20" in querystring)
self.assertTrue(QuerystringBuilder._STAT_SUM +"=40" in querystring)
self.assertTrue(QuerystringBuilder._STAT_SAMPLE +"=3" in querystring)
def test_client_raise_exception_on_service_unavailable_error(self):
metric = MetricDataStatistic("metric_name", namespace="namespace")
metric.add_value(10)
self.server.set_expected_response("Service Unavailable", 503)
self.assert_no_retry_on_error_request("namespace", [metric])
