def test_check_memory(params, meminfo, expected):
copy_info = meminfo.copy()
result = list(check_mem_used(params, meminfo))
assert result == expected
assert copy_info == meminfo
def test_check_memory(params, meminfo, expected):
copy_info = meminfo.copy()
with value_store.context(CheckPluginName("mem_used_unittest"), None):
result = list(check_mem_used(params, meminfo))
assert result == expected
assert copy_info == meminfo
def test_check_discovery_total_zero():
"""
Some containers do not provide memory info.
Make sure they are discovered, and a proper error message is displayed
"""
section = {"MemTotal": 0}
assert list(discover_mem_used(section)) == [Service()]
result, = check_mem_used({}, section)
assert isinstance(result, Result)
assert result.state == State.UNKNOWN
assert result.summary.startswith("Reported total memory is 0 B")
def test_check_memory_fails(params, meminfo, fail_with_exception):
with pytest.raises(fail_with_exception):
list(check_mem_used(params, meminfo))