def test_setting_a_string_as_none():
string_metric = metrics.StringMetricType(
disabled=False,
category="telemetry",
lifetime=Lifetime.APPLICATION,
name="string_metric",
send_in_pings=["store1", "store2"],
)
string_metric.set(None)
assert not string_metric.test_has_value()
def test_disabled_strings_must_not_record_data():
string_metric = metrics.StringMetricType(
disabled=True,
category="telemetry",
lifetime=Lifetime.APPLICATION,
name="string_metric",
send_in_pings=["store1"],
)
string_metric.set("value")
assert not string_metric.test_has_value()
def _subprocess():
# If this runs on a thread, it won't complete before the process is
# shutdown
string_metric = metrics.StringMetricType(
disabled=False,
category="telemetry",
lifetime=Lifetime.APPLICATION,
name="string_metric",
send_in_pings=["store1"],
)
string_metric.set("foo")
def test_setting_a_long_string_records_an_error():
string_metric = metrics.StringMetricType(
disabled=False,
category="telemetry",
lifetime=Lifetime.APPLICATION,
name="string_metric",
send_in_pings=["store1", "store2"],
)
string_metric.set("0123456789" * 11)
assert 1 == string_metric.test_get_num_recorded_errors(
testing.ErrorType.INVALID_OVERFLOW)
def test_single_threaded_in_multiprocessing_subprocess():
import multiprocessing
p = multiprocessing.Process(target=_subprocess)
p.start()
p.join()
# This must match the definition in _subprocess() above.
string_metric = metrics.StringMetricType(
disabled=False,
category="telemetry",
lifetime=Lifetime.APPLICATION,
name="string_metric",
send_in_pings=["store1"],
)
assert string_metric.test_get_value() == "999"
def test_the_api_saves_to_its_storage_engine():
string_metric = metrics.StringMetricType(
disabled=False,
category="telemetry",
lifetime=Lifetime.APPLICATION,
name="string_metric",
send_in_pings=["store1"],
)
string_metric.set("value")
assert string_metric.test_has_value()
assert "value" == string_metric.test_get_value()
string_metric.set("overriddenValue")
assert string_metric.test_has_value()
assert "overriddenValue" == string_metric.test_get_value()
