util(disk): unit test

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

Author: crazy-max

util/disk/disk_test.go

@@ -0,0 +1,15 @@
+package disk
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestGetDiskStat(t *testing.T) {
+	diskStat, err := GetDiskStat("/")
+	require.NoError(t, err)
+	require.Greater(t, diskStat.Total, int64(0))
+	require.GreaterOrEqual(t, diskStat.Free, int64(0))
+	require.GreaterOrEqual(t, diskStat.Available, int64(0))
+}