github.com/jingleWang/moby@v1.13.1/pkg/system/meminfo_unix_test.go (about)

     1  // +build linux freebsd
     2  
     3  package system
     4  
     5  import (
     6  	"strings"
     7  	"testing"
     8  
     9  	"github.com/docker/go-units"
    10  )
    11  
    12  // TestMemInfo tests parseMemInfo with a static meminfo string
    13  func TestMemInfo(t *testing.T) {
    14  	const input = `
    15  	MemTotal:      1 kB
    16  	MemFree:       2 kB
    17  	SwapTotal:     3 kB
    18  	SwapFree:      4 kB
    19  	Malformed1:
    20  	Malformed2:    1
    21  	Malformed3:    2 MB
    22  	Malformed4:    X kB
    23  	`
    24  	meminfo, err := parseMemInfo(strings.NewReader(input))
    25  	if err != nil {
    26  		t.Fatal(err)
    27  	}
    28  	if meminfo.MemTotal != 1*units.KiB {
    29  		t.Fatalf("Unexpected MemTotal: %d", meminfo.MemTotal)
    30  	}
    31  	if meminfo.MemFree != 2*units.KiB {
    32  		t.Fatalf("Unexpected MemFree: %d", meminfo.MemFree)
    33  	}
    34  	if meminfo.SwapTotal != 3*units.KiB {
    35  		t.Fatalf("Unexpected SwapTotal: %d", meminfo.SwapTotal)
    36  	}
    37  	if meminfo.SwapFree != 4*units.KiB {
    38  		t.Fatalf("Unexpected SwapFree: %d", meminfo.SwapFree)
    39  	}
    40  }