public void APISavesToStorage()
{
MemoryDistributionMetricType metric = new MemoryDistributionMetricType(
disabled: false,
category: "telemetry",
lifetime: Lifetime.Ping,
name: "memory_distribution",
sendInPings: new string[] { "store1" },
memoryUnit: MemoryUnit.Kilobyte
);
// Accumulate a few values
for (ulong i = 1; i <= 3; i++)
{
metric.Accumulate(i);
}
long kb = 1024;
// Check that data was properly recorded.
Assert.True(metric.TestHasValue());
DistributionData snapshot = metric.TestGetValue();
// Check the sum
Assert.Equal <long>(1L * kb + 2L * kb + 3L * kb, snapshot.Sum);
// Check that the 1L fell into the first value bucket
Assert.Equal(1L, snapshot.Values[1023]);
// Check that the 2L fell into the second value bucket
Assert.Equal(1L, snapshot.Values[2047]);
// Check that the 3L fell into the third value bucket
Assert.Equal(1L, snapshot.Values[3024]);
}
public void TestGetValueThrows()
{
MemoryDistributionMetricType metric = new MemoryDistributionMetricType(
disabled: false,
category: "telemetry",
lifetime: Lifetime.Ping,
name: "memory_distribution",
sendInPings: new string[] { "store1" },
memoryUnit: MemoryUnit.Gigabyte
);
Assert.Throws <NullReferenceException>(() => metric.TestGetValue());
}
public void DisabledMemoryDistributionsMustNotRecordData()
{
MemoryDistributionMetricType metric = new MemoryDistributionMetricType(
disabled: true,
category: "telemetry",
lifetime: Lifetime.Ping,
name: "memory_distribution",
sendInPings: new string[] { "store1" },
memoryUnit: MemoryUnit.Gigabyte
);
metric.Accumulate(1L);
// Check that nothing was recorded.
Assert.False(metric.TestHasValue(), "MemoryDistributions without a lifetime should not record data.");
}
public void APISavesToSecondaryPings()
{
MemoryDistributionMetricType metric = new MemoryDistributionMetricType(
disabled: false,
category: "telemetry",
lifetime: Lifetime.Ping,
name: "memory_distribution",
sendInPings: new string[] { "store1", "store2", "store3" },
memoryUnit: MemoryUnit.Kilobyte
);
// Accumulate a few values
for (ulong i = 1; i <= 3; i++)
{
metric.Accumulate(i);
}
// Check that data was properly recorded in the second ping.
Assert.True(metric.TestHasValue("store2"));
var snapshot = metric.TestGetValue("store2");
// Check the sum
Assert.Equal(6144L, snapshot.Sum);
// Check that the 1L fell into the first bucket
Assert.Equal(1L, snapshot.Values[1023]);
// Check that the 2L fell into the second bucket
Assert.Equal(1L, snapshot.Values[2047]);
// Check that the 3L fell into the third bucket
Assert.Equal(1L, snapshot.Values[3024]);
// Check that data was properly recorded in the third ping.
Assert.True(metric.TestHasValue("store3"));
var snapshot2 = metric.TestGetValue("store3");
// Check the sum
Assert.Equal(6144L, snapshot2.Sum);
// Check that the 1L fell into the first bucket
Assert.Equal(1L, snapshot2.Values[1023]);
// Check that the 2L fell into the second bucket
Assert.Equal(1L, snapshot2.Values[2047]);
// Check that the 3L fell into the third bucket
Assert.Equal(1L, snapshot2.Values[3024]);
}
public void ValuesAreTruncatedTo1TB()
{
MemoryDistributionMetricType metric = new MemoryDistributionMetricType(
disabled: false,
category: "telemetry",
lifetime: Lifetime.Ping,
name: "memory_distribution",
sendInPings: new string[] { "store1" },
memoryUnit: MemoryUnit.Gigabyte
);
metric.Accumulate(2048L);
// Check that data was properly recorded.
Assert.True(metric.TestHasValue());
var snapshot = metric.TestGetValue();
// Check the sum
Assert.Equal(1L << 40, snapshot.Sum);
// Check that the 1L fell into 1TB bucket
Assert.Equal(1L, snapshot.Values[(1L << 40) - 1]);
// Check that an error was recorded
Assert.Equal(1, metric.TestGetNumRecordedErrors(ErrorType.InvalidValue));
}
