// Copyright 2022 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT

package packages

import (
	"encoding/hex"
	"testing"

	"github.com/stretchr/testify/assert"
)

const (
	expectedMD5    = "e3bef03c5f3b7f6b3ab3e3053ed71e9c"
	expectedSHA1   = "060b3b99f88e96085b4a68e095bc9e3d1d91e1bc"
	expectedSHA256 = "6ccce4863b70f258d691f59609d31b4502e1ba5199942d3bc5d35d17a4ce771d"
	expectedSHA512 = "7f70e439ba8c52025c1f06cdf6ae443c4b8ed2e90059cdb9bbbf8adf80846f185a24acca9245b128b226d61753b0d7ed46580a69c8999eeff3bc13a4d0bd816c"
)

func TestMultiHasherSums(t *testing.T) {
	for _, content := range []string{"gitea", "git"} {
		t.Run(content, func(t *testing.T) {
			h := NewMultiHasher()
			h.Write([]byte(content))

			if content == "git" {
				state, err := h.MarshalBinary()
				assert.NoError(t, err)

				h = NewMultiHasher()
				err = h.UnmarshalBinary(state)
				assert.NoError(t, err)

				h.Write([]byte("ea"))
			}

			hashMD5, hashSHA1, hashSHA256, hashSHA512 := h.Sums()

			assert.Equal(t, expectedMD5, hex.EncodeToString(hashMD5))
			assert.Equal(t, expectedSHA1, hex.EncodeToString(hashSHA1))
			assert.Equal(t, expectedSHA256, hex.EncodeToString(hashSHA256))
			assert.Equal(t, expectedSHA512, hex.EncodeToString(hashSHA512))
		})
	}
}