test(utils): unit test for SizeToStorageUnits

internal/utils/storage_test.go

@@ -0,0 +1,29 @@
+package utils_test
+
+import (
+	"testing"
+
+	"github.com/luisnquin/nao/v3/internal/utils"
+)
+
+func TestSizeToStorageUnits(t *testing.T) {
+	tests := []struct {
+		input    int64
+		expected string
+	}{
+		{1500000, "1.43MB"},
+		{2000000000, "1.86GB"},
+		{5000, "4.88KB"},
+		{0, "0.00KB"},
+		{999, "0.98KB"},
+		{100000000000, "93.13GB"},
+		{-100, "-0.10KB"},
+	}
+
+	for _, test := range tests {
+		result := utils.SizeToStorageUnits(test.input)
+		if result != test.expected {
+			t.Errorf("For input %d, expected %s, but got %s", test.input, test.expected, result)
+		}
+	}
+}