public void MeasureFunctionCorrectlyMeasuresValues()
{
TimespanMetricType metric = new TimespanMetricType(
category: "telemetry",
disabled: false,
lifetime: Lifetime.Application,
name: "timespan_metric",
sendInPings: new string[] { "store1" },
timeUnit: TimeUnit.Millisecond
);
public void TestGetValueThrows()
{
TimespanMetricType metric = new TimespanMetricType(
category: "telemetry",
disabled: false,
lifetime: Lifetime.Application,
name: "timespan_metric",
sendInPings: new string[] { "store1" },
timeUnit: TimeUnit.Millisecond
);
Assert.Throws <NullReferenceException>(() => metric.TestGetValue());
}
public void TestSetRawNanos()
{
ulong timespanNanos = 6 * 1000000000L;
TimespanMetricType metric = new TimespanMetricType(
category: "telemetry",
disabled: false,
lifetime: Lifetime.Ping,
name: "explicit_timespan",
sendInPings: new string[] { "store1" },
timeUnit: TimeUnit.Second
);
metric.SetRawNanos(timespanNanos);
Assert.Equal <ulong>(6, metric.TestGetValue());
}
public void APISavesToSecondaryPings()
{
TimespanMetricType metric = new TimespanMetricType(
category: "telemetry",
disabled: false,
lifetime: Lifetime.Application,
name: "timespan_metric",
sendInPings: new string[] { "store1", "store2" },
timeUnit: TimeUnit.Millisecond
);
metric.Start();
metric.Stop();
// Check that data was properly recorded in the second ping.
Assert.True(metric.TestHasValue("store2"));
Assert.True(metric.TestGetValue("store2") >= 0);
}
public void APIMustCorrectlyCancel()
{
TimespanMetricType metric = new TimespanMetricType(
category: "telemetry",
disabled: false,
lifetime: Lifetime.Application,
name: "timespan_metric",
sendInPings: new string[] { "store1" },
timeUnit: TimeUnit.Millisecond
);
// Record a timespan.
metric.Start();
metric.Cancel();
metric.Stop();
// Check that data was not recorded.
Assert.False(metric.TestHasValue(), "The API should not record an error if the metric is cancelled");
Assert.Equal(1, metric.TestGetNumRecordedErrors(ErrorType.InvalidState));
}
public void SetRawNanosDoesNotOverwriteValue()
{
ulong timespanNanos = 6 * 1000000000L;
TimespanMetricType metric = new TimespanMetricType(
category: "telemetry",
disabled: false,
lifetime: Lifetime.Ping,
name: "explicit_timespan_1",
sendInPings: new string[] { "store1" },
timeUnit: TimeUnit.Second
);
metric.Start();
metric.Stop();
ulong value = metric.TestGetValue();
metric.SetRawNanos(timespanNanos);
Assert.Equal <ulong>(value, metric.TestGetValue());
}
public void DisabledTimespansMustNotRecordData()
{
TimespanMetricType metric = new TimespanMetricType(
category: "telemetry",
disabled: true,
lifetime: Lifetime.Application,
name: "timespan_metric",
sendInPings: new string[] { "store1" },
timeUnit: TimeUnit.Millisecond
);
// Record a timespan.
metric.Start();
metric.Stop();
// Let's also call cancel() to make sure it's a no-op.
metric.Cancel();
// Check that data was not recorded.
Assert.False(metric.TestHasValue(), "The API should not record a counter if metric is disabled");
}
public void SetRawNanosDoesNothingWhenTimerIsRunning()
{
ulong timespanNanos = 1000000000L;
TimespanMetricType metric = new TimespanMetricType(
category: "telemetry",
disabled: false,
lifetime: Lifetime.Ping,
name: "explicit_timespan",
sendInPings: new string[] { "store1" },
timeUnit: TimeUnit.Second
);
metric.Start();
metric.SetRawNanos(timespanNanos);
metric.Stop();
// If setRawNanos worked, (which it's not supposed to in this case), it would
// have recorded 1000000000 ns == 1s. Make sure it's not that.
Assert.NotEqual <ulong>(1, metric.TestGetValue());
}
public void ValueUnchangedIfStoppedTwice()
{
TimespanMetricType metric = new TimespanMetricType(
category: "telemetry",
disabled: false,
lifetime: Lifetime.Application,
name: "timespan_metric",
sendInPings: new string[] { "store1" },
timeUnit: TimeUnit.Millisecond
);
// Record a timespan.
metric.Start();
metric.Stop();
Assert.True(metric.TestHasValue());
ulong value = metric.TestGetValue();
metric.Stop();
Assert.Equal(value, metric.TestGetValue());
}
public void RecordsAnErrorIfStartedTwice()
{
TimespanMetricType metric = new TimespanMetricType(
category: "telemetry",
disabled: false,
lifetime: Lifetime.Application,
name: "timespan_metric",
sendInPings: new string[] { "store1", "store2" },
timeUnit: TimeUnit.Millisecond
);
// Record a timespan.
metric.Start();
metric.Start();
metric.Stop();
// Check that data was properly recorded in the second ping.
Assert.True(metric.TestHasValue("store2"));
Assert.True(metric.TestGetValue("store2") >= 0);
Assert.Equal(1, metric.TestGetNumRecordedErrors(ErrorType.InvalidState));
}
