def setUp(self):
self.c = Check(logger)
self.c.gauge("test-metric")
self.c.counter("test-counter")
class TestCore(unittest.TestCase):
"Tests to validate the core check logic"
def setUp(self):
self.c = Check(logger)
self.c.gauge("test-metric")
self.c.counter("test-counter")
def test_gauge(self):
self.assertEqual(self.c.is_gauge("test-metric"), True)
self.assertEqual(self.c.is_counter("test-metric"), False)
self.c.save_sample("test-metric", 1.0)
# call twice in a row, should be invariant
self.assertEqual(self.c.get_sample("test-metric"), 1.0)
self.assertEqual(self.c.get_sample("test-metric"), 1.0)
self.assertEqual(self.c.get_sample_with_timestamp("test-metric")[1], 1.0)
# new value, old one should be gone
self.c.save_sample("test-metric", 2.0)
self.assertEqual(self.c.get_sample("test-metric"), 2.0)
self.assertEqual(len(self.c._sample_store["test-metric"]), 1)
# with explicit timestamp
self.c.save_sample("test-metric", 3.0, 1298066183.607717)
self.assertEqual(self.c.get_sample_with_timestamp(
"test-metric"), (1298066183.607717, 3.0, None, None))
# get_samples()
self.assertEqual(self.c.get_samples(), {"test-metric": 3.0})
def testEdgeCases(self):
self.assertRaises(UnknownValue, self.c.get_sample, "unknown-metric")
# same value
self.c.save_sample("test-counter", 1.0, 1.0)
self.c.save_sample("test-counter", 1.0, 1.0)
self.assertRaises(Infinity, self.c.get_sample, "test-counter")
def test_counter(self):
self.c.save_sample("test-counter", 1.0, 1.0)
self.assertRaises(UnknownValue, self.c.get_sample, "test-counter", expire=False)
self.c.save_sample("test-counter", 2.0, 2.0)
self.assertEqual(self.c.get_sample("test-counter", expire=False), 1.0)
self.assertEqual(self.c.get_sample_with_timestamp(
"test-counter", expire=False), (2.0, 1.0, None, None))
self.assertEqual(self.c.get_samples(expire=False), {"test-counter": 1.0})
self.c.save_sample("test-counter", -2.0, 3.0)
self.assertRaises(UnknownValue, self.c.get_sample_with_timestamp, "test-counter")
def test_dimensions(self):
# Test metric dimensions
now = int(time.time())
# dimensions metrics
self.c.save_sample(
"test-counter", 1.0, 1.0, dimensions={"dim1": "value1", "dim2": "value2"})
self.c.save_sample(
"test-counter", 2.0, 2.0, dimensions={"dim1": "value1", "dim2": "value2"})
# Only 1 point recording for this combination of dimensions, won't be sent
self.c.save_sample(
"test-counter", 3.0, 3.0, dimensions={"dim1": "value1", "dim3": "value3"})
self.c.save_sample("test-metric", 3.0, now, dimensions={"dim3": "value3", "dim4": "value4"})
# Arg checks
self.assertRaises(
CheckException, self.c.save_sample, "test-metric", 4.0, now + 5, dimensions="abc")
# This is a different combination of dimensions
self.c.save_sample("test-metric", 3.0, now, dimensions={"dim5": "value5", "dim3": "value3"})
results = sorted(self.c.get_metrics())
self.assertEqual(results,
[("test-counter", 2.0, 1.0, {"dimensions": {"dim1": "value1", "dim2": "value2"}}),
("test-metric", now, 3.0,
{"dimensions": {"dim3": "value3", "dim4": "value4"}}),
("test-metric", now, 3.0,
{"dimensions": {"dim3": "value3", "dim5": "value5"}})
])
# dimensions metrics are not available through get_samples anymore
self.assertEqual(self.c.get_samples(), {})
def test_samples(self):
self.assertEqual(self.c.get_samples(), {})
self.c.save_sample("test-metric", 1.0, 0.0) # value, ts
self.c.save_sample("test-counter", 1.0, 1.0) # value, ts
self.c.save_sample("test-counter", 4.0, 2.0) # value, ts
assert "test-metric" in self.c.get_samples_with_timestamps(
expire=False), self.c.get_samples_with_timestamps(expire=False)
self.assertEqual(self.c.get_samples_with_timestamps(
expire=False)["test-metric"], (0.0, 1.0, None, None))
assert "test-counter" in self.c.get_samples_with_timestamps(
expire=False), self.c.get_samples_with_timestamps(expire=False)
self.assertEqual(self.c.get_samples_with_timestamps(
expire=False)["test-counter"], (2.0, 3.0, None, None))
def test_name(self):
self.assertEqual(self.c.normalize("metric"), "metric")
self.assertEqual(self.c.normalize("metric", "prefix"), "prefix.metric")
self.assertEqual(self.c.normalize("__metric__", "prefix"), "prefix.metric")
self.assertEqual(
self.c.normalize("abc.metric(a+b+c{}/5)", "prefix"), "prefix.abc.metric_a_b_c_5")
self.assertEqual(
self.c.normalize(
"VBE.default(127.0.0.1,,8080).happy",
"varnish"),
"varnish.VBE.default_127.0.0.1_8080.happy")
class TestCore(unittest.TestCase):
"Tests to validate the core check logic"
def setUp(self):
self.c = Check(logger)
self.c.gauge("test-metric")
self.c.counter("test-counter")
def test_gauge(self):
self.assertEqual(self.c.is_gauge("test-metric"), True)
self.assertEqual(self.c.is_counter("test-metric"), False)
self.c.save_sample("test-metric", 1.0)
# call twice in a row, should be invariant
self.assertEqual(self.c.get_sample("test-metric"), 1.0)
self.assertEqual(self.c.get_sample("test-metric"), 1.0)
self.assertEqual(
self.c.get_sample_with_timestamp("test-metric")[1], 1.0)
# new value, old one should be gone
self.c.save_sample("test-metric", 2.0)
self.assertEqual(self.c.get_sample("test-metric"), 2.0)
self.assertEqual(len(self.c._sample_store["test-metric"]), 1)
# with explicit timestamp
self.c.save_sample("test-metric", 3.0, 1298066183.607717)
self.assertEqual(self.c.get_sample_with_timestamp("test-metric"),
(1298066183.607717, 3.0, None, None))
# get_samples()
self.assertEqual(self.c.get_samples(), {"test-metric": 3.0})
def testEdgeCases(self):
self.assertRaises(UnknownValue, self.c.get_sample, "unknown-metric")
# same value
self.c.save_sample("test-counter", 1.0, 1.0)
self.c.save_sample("test-counter", 1.0, 1.0)
self.assertRaises(Infinity, self.c.get_sample, "test-counter")
def test_counter(self):
self.c.save_sample("test-counter", 1.0, 1.0)
self.assertRaises(UnknownValue,
self.c.get_sample,
"test-counter",
expire=False)
self.c.save_sample("test-counter", 2.0, 2.0)
self.assertEqual(self.c.get_sample("test-counter", expire=False), 1.0)
self.assertEqual(
self.c.get_sample_with_timestamp("test-counter", expire=False),
(2.0, 1.0, None, None))
self.assertEqual(self.c.get_samples(expire=False),
{"test-counter": 1.0})
self.c.save_sample("test-counter", -2.0, 3.0)
self.assertRaises(UnknownValue, self.c.get_sample_with_timestamp,
"test-counter")
def test_dimensions(self):
# Test metric dimensions
now = int(time.time())
# dimensions metrics
self.c.save_sample("test-counter",
1.0,
1.0,
dimensions={
"dim1": "value1",
"dim2": "value2"
})
self.c.save_sample("test-counter",
2.0,
2.0,
dimensions={
"dim1": "value1",
"dim2": "value2"
})
# Only 1 point recording for this combination of dimensions, won't be sent
self.c.save_sample("test-counter",
3.0,
3.0,
dimensions={
"dim1": "value1",
"dim3": "value3"
})
self.c.save_sample("test-metric",
3.0,
now,
dimensions={
"dim3": "value3",
"dim4": "value4"
})
# Arg checks
self.assertRaises(CheckException,
self.c.save_sample,
"test-metric",
4.0,
now + 5,
dimensions="abc")
# This is a different combination of dimensions
self.c.save_sample("test-metric",
3.0,
now,
dimensions={
"dim5": "value5",
"dim3": "value3"
})
results = sorted(self.c.get_metrics())
self.assertEqual(results, [("test-counter", 2.0, 1.0, {
"dimensions": {
"dim1": "value1",
"dim2": "value2"
}
}),
("test-metric", now, 3.0, {
"dimensions": {
"dim3": "value3",
"dim4": "value4"
}
}),
("test-metric", now, 3.0, {
"dimensions": {
"dim3": "value3",
"dim5": "value5"
}
})])
# dimensions metrics are not available through get_samples anymore
self.assertEqual(self.c.get_samples(), {})
def test_samples(self):
self.assertEqual(self.c.get_samples(), {})
self.c.save_sample("test-metric", 1.0, 0.0) # value, ts
self.c.save_sample("test-counter", 1.0, 1.0) # value, ts
self.c.save_sample("test-counter", 4.0, 2.0) # value, ts
assert "test-metric" in self.c.get_samples_with_timestamps(
expire=False), self.c.get_samples_with_timestamps(expire=False)
self.assertEqual(
self.c.get_samples_with_timestamps(expire=False)["test-metric"],
(0.0, 1.0, None, None))
assert "test-counter" in self.c.get_samples_with_timestamps(
expire=False), self.c.get_samples_with_timestamps(expire=False)
self.assertEqual(
self.c.get_samples_with_timestamps(expire=False)["test-counter"],
(2.0, 3.0, None, None))
def test_name(self):
self.assertEqual(self.c.normalize("metric"), "metric")
self.assertEqual(self.c.normalize("metric", "prefix"), "prefix.metric")
self.assertEqual(self.c.normalize("__metric__", "prefix"),
"prefix.metric")
self.assertEqual(self.c.normalize("abc.metric(a+b+c{}/5)", "prefix"),
"prefix.abc.metric_a_b_c_5")
self.assertEqual(
self.c.normalize("VBE.default(127.0.0.1,,8080).happy", "varnish"),
"varnish.VBE.default_127.0.0.1_8080.happy")
def setUp(self):
self.c = Check(logger)
self.c.gauge("test-metric")
self.c.counter("test-counter")
