def test_compare_psutil_linux_metricsets():
psutil_metricset = cpu_psutil.CPUMetricSet()
linux_metricset = cpu_linux.CPUMetricSet()
# do something that generates some CPU load
for i in compat.irange(10**6):
j = i * i
psutil_data = psutil_metricset.collect()
linux_data = linux_metricset.collect()
assert (abs(psutil_data["samples"]["system.cpu.total.norm.pct"]["value"] -
linux_data["samples"]["system.cpu.total.norm.pct"]["value"]) <
0.02)
assert (abs(
psutil_data["samples"]["system.process.cpu.total.norm.pct"]["value"] -
linux_data["samples"]["system.process.cpu.total.norm.pct"]["value"]) <
0.02)
def test_cpu_mem_from_psutil():
metricset = cpu_psutil.CPUMetricSet()
# do something that generates some CPU load
for i in compat.irange(10**6):
j = i * i
data = metricset.collect()
# we can't really test any specific values here as it depends on the system state.
# Mocking is also not really a viable choice, as we would then lose the "integration testing"
# nature of this test with different versions of psutil
assert 0 < data["samples"]["system.cpu.total.norm.pct"]["value"] < 1
assert 0 < data["samples"]["system.process.cpu.total.norm.pct"]["value"] < 1
assert data["samples"]["system.memory.total"]["value"] > 0
assert data["samples"]["system.memory.actual.free"]["value"] > 0
assert data["samples"]["system.process.memory.rss.bytes"]["value"] > 0
assert data["samples"]["system.process.memory.size"]["value"] > 0
