73 lines
1.6 KiB
Go
73 lines
1.6 KiB
Go
package mem
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestVirtual_memory(t *testing.T) {
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v, err := VirtualMemory()
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if err != nil {
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t.Errorf("error %v", err)
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}
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empty := &VirtualMemoryStat{}
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if v == empty {
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t.Errorf("error %v", v)
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}
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assert.True(t, v.Total > 0)
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assert.True(t, v.Available > 0)
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assert.True(t, v.Used > 0)
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assert.Equal(t, v.Total, v.Available+v.Used,
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"Total should be computable from available + used: %v", v)
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assert.True(t, v.Free > 0)
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assert.True(t, v.Available > v.Free,
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"Free should be a subset of Available: %v", v)
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assert.InDelta(t, v.UsedPercent,
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100*float64(v.Used)/float64(v.Total), 0.1,
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"UsedPercent should be how many percent of Total is Used: %v", v)
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}
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func TestSwap_memory(t *testing.T) {
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v, err := SwapMemory()
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if err != nil {
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t.Errorf("error %v", err)
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}
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empty := &SwapMemoryStat{}
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if v == empty {
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t.Errorf("error %v", v)
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}
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}
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func TestVirtualMemoryStat_String(t *testing.T) {
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v := VirtualMemoryStat{
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Total: 10,
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Available: 20,
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Used: 30,
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UsedPercent: 30.1,
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Free: 40,
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}
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e := `{"total":10,"available":20,"used":30,"usedPercent":30.1,"free":40,"active":0,"inactive":0,"wired":0,"buffers":0,"cached":0,"writeback":0,"dirty":0,"writebacktmp":0}`
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if e != fmt.Sprintf("%v", v) {
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t.Errorf("VirtualMemoryStat string is invalid: %v", v)
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}
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}
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func TestSwapMemoryStat_String(t *testing.T) {
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v := SwapMemoryStat{
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Total: 10,
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Used: 30,
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Free: 40,
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UsedPercent: 30.1,
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}
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e := `{"total":10,"used":30,"free":40,"usedPercent":30.1,"sin":0,"sout":0}`
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if e != fmt.Sprintf("%v", v) {
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t.Errorf("SwapMemoryStat string is invalid: %v", v)
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}
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}
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