refactor: drop two unmaintained dependencies, rename the byte size helpers (#39083)

modules/util/bytesize_test.go

@@ -0,0 +1,27 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package util
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestFormatByteSize(t *testing.T) {
+	var size int64 = 512
+	assert.Equal(t, "512 B", FormatByteSize(size))
+	size *= 1024
+	assert.Equal(t, "512 KiB", FormatByteSize(size))
+	size *= 1024
+	assert.Equal(t, "512 MiB", FormatByteSize(size))
+	size *= 1024
+	assert.Equal(t, "512 GiB", FormatByteSize(size))
+	size *= 1024
+	assert.Equal(t, "512 TiB", FormatByteSize(size))
+	size *= 1024
+	assert.Equal(t, "512 PiB", FormatByteSize(size))
+	size *= 4
+	assert.Equal(t, "2.0 EiB", FormatByteSize(size))
+}