github.com/docker/docker@v299999999.0.0-20200612211812-aaf470eca7b5+incompatible/pkg/system/meminfo_unix_test.go (about)

     1  // +build linux freebsd
     2  
     3  package system // import "github.com/docker/docker/pkg/system"
     4  
     5  import (
     6  	"strings"
     7  	"testing"
     8  
     9  	units "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  	MemAvailable:  3 kB
    18  	SwapTotal:     4 kB
    19  	SwapFree:      5 kB
    20  	Malformed1:
    21  	Malformed2:    1
    22  	Malformed3:    2 MB
    23  	Malformed4:    X kB
    24  	`
    25  	meminfo, err := parseMemInfo(strings.NewReader(input))
    26  	if err != nil {
    27  		t.Fatal(err)
    28  	}
    29  	if meminfo.MemTotal != 1*units.KiB {
    30  		t.Fatalf("Unexpected MemTotal: %d", meminfo.MemTotal)
    31  	}
    32  	if meminfo.MemFree != 3*units.KiB {
    33  		t.Fatalf("Unexpected MemFree: %d", meminfo.MemFree)
    34  	}
    35  	if meminfo.SwapTotal != 4*units.KiB {
    36  		t.Fatalf("Unexpected SwapTotal: %d", meminfo.SwapTotal)
    37  	}
    38  	if meminfo.SwapFree != 5*units.KiB {
    39  		t.Fatalf("Unexpected SwapFree: %d", meminfo.SwapFree)
    40  	}
    41  }