package system import ( "testing" "github.com/influxdata/telegraf/testutil" "github.com/shirou/gopsutil/mem" "github.com/stretchr/testify/require" ) func TestMemStats(t *testing.T) { var mps MockPS var err error defer mps.AssertExpectations(t) var acc testutil.Accumulator vms := &mem.VirtualMemoryStat{ Total: 12400, Available: 7600, Used: 5000, Free: 1235, Active: 8134, Inactive: 1124, Slab: 1234, Wired: 134, // Buffers: 771, // Cached: 4312, // Shared: 2142, } mps.On("VMStat").Return(vms, nil) err = (&MemStats{&mps}).Gather(&acc) require.NoError(t, err) memfields := map[string]interface{}{ "total": uint64(12400), "available": uint64(7600), "used": uint64(5000), "available_percent": float64(7600) / float64(12400) * 100, "used_percent": float64(5000) / float64(12400) * 100, "free": uint64(1235), "cached": uint64(0), "buffered": uint64(0), "active": uint64(8134), "inactive": uint64(1124), "wired": uint64(134), "slab": uint64(1234), } acc.AssertContainsTaggedFields(t, "mem", memfields, make(map[string]string)) acc.Metrics = nil }