test: GetMemInfo test added using dependency injection

Author: RawanMostafa08

pkg/cpuInfo_test.go

@@ -175,21 +175,21 @@ core id		: 5
 cpu cores	: 6
 `
 
-type spyLoader struct{}
+type spyCpuLoader struct{}
 
-func (l *spyLoader) Load() (string, error) {
+func (l *spyCpuLoader) Load() (string, error) {
 	return cpuinfo, nil
 }
 func TestGetCpuInfo(t *testing.T) {
-	var _ Loader = (*spyLoader)(nil)
-	got, _ := getCpuInfo(&spyLoader{})
+	var _ Loader = (*spyCpuLoader)(nil)
+	got, _ := getCpuInfo(&spyCpuLoader{})
 	expected := CpuInfo{
 		NumCores:  12,
 		VendorId:  "GenuineIntel",
 		ModelName: "Intel(R) Core(TM) i7-10750H CPU @ 2.60GHz",
 		CacheSize: "12288 KB",
 		CpuMHZ:    1233.7074,
 	}
-	assert.Equal(t, expected, got, "The two words should be the same.")
+	assert.Equal(t, expected, got)
 
 }

pkg/memInfo_test.go

@@ -0,0 +1,34 @@
+package psutils
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+var memInfo string = `MemTotal:       16239040 kB
+MemFree:         1313720 kB
+MemAvailable:    8580468 kB
+Buffers:          292824 kB
+Cached:          7358304 kB
+SwapCached:        24172 kB
+Active:          6177748 kB
+Inactive:        6296272 kB
+`
+
+type spyMemLoader struct{}
+
+func (l *spyMemLoader) Load() (string, error) {
+	return memInfo, nil
+}
+func TestGetMemInfo(t *testing.T) {
+	var _ Loader = (*spyMemLoader)(nil)
+	got, _ := getMemInfo(&spyMemLoader{})
+	expected := MemInfo{
+		TotalMemoryKB:     16239040,
+		UsedMemoryKB:      14925320,
+		AvailableMemoryKB: 8580468,
+	}
+	assert.Equal(t, expected, got)
+
+}