public void WhenManagingMultipleProcesses()
{
const long oneProcessPrivateMemory = 1024;
TimeSpan expectedTotalKernelTime = TimeSpan.FromSeconds(2);
TimeSpan expectedTotalUserTime = TimeSpan.FromSeconds(2);
var expectedCpuStats = new CpuStatistics
{
TotalKernelTime = expectedTotalKernelTime,
TotalUserTime = expectedTotalUserTime,
};
var firstProcess = Substitute.For <IProcess>();
firstProcess.Id.Returns(1);
firstProcess.PrivateMemoryBytes.Returns(oneProcessPrivateMemory);
var secondProcess = Substitute.For <IProcess>();
secondProcess.Id.Returns(2);
secondProcess.PrivateMemoryBytes.Returns(oneProcessPrivateMemory);
JobObject.GetCpuStatistics().Returns(expectedCpuStats);
JobObject.GetProcessIds().Returns(new int[] { 1, 2 });
ProcessHelper.GetProcesses(null).ReturnsForAnyArgs(new[] { firstProcess, secondProcess });
var metrics = Container.GetMetrics();
Assert.Equal(expectedTotalKernelTime + expectedTotalUserTime, metrics.CpuStat.TotalProcessorTime);
Assert.Equal((ulong)firstProcess.PrivateMemoryBytes + (ulong)secondProcess.PrivateMemoryBytes, metrics.MemoryStat.PrivateBytes);
}
public void WhenProcessHasExited()
{
var firstProcess = Substitute.For <IProcess>();
firstProcess.Id.Returns(1);
firstProcess.PrivateMemoryBytes.Throws(new InvalidOperationException());
JobObject.GetProcessIds().Returns(new int[] { 1 });
ProcessHelper.GetProcesses(null).ReturnsForAnyArgs(new[] { firstProcess });
var metrics = Container.GetMetrics();
Assert.Equal(0ul, metrics.MemoryStat.PrivateBytes);
}
public void WhenManagingNoProcess()
{
JobObject.GetCpuStatistics().Returns(new CpuStatistics
{
TotalKernelTime = TimeSpan.Zero,
TotalUserTime = TimeSpan.Zero,
});
JobObject.GetProcessIds().Returns(new int[0]);
var metrics = Container.GetMetrics();
Assert.Equal(TimeSpan.Zero, metrics.CpuStat.TotalProcessorTime);
Assert.Equal(0ul, metrics.MemoryStat.PrivateBytes);
}