9607750b5e
`hex.EncodeToString` has better performance than `fmt.Sprintf("%x",
[]byte)`, we should use it as much as possible.
I'm not an extreme fan of performance, so I think there are some
exceptions:
- `fmt.Sprintf("%x", func(...)[N]byte())`
- We can't slice the function return value directly, and it's not worth
adding lines.
```diff
func A()[20]byte { ... }
- a := fmt.Sprintf("%x", A())
- a := hex.EncodeToString(A()[:]) // invalid
+ tmp := A()
+ a := hex.EncodeToString(tmp[:])
```
- `fmt.Sprintf("%X", []byte)`
- `strings.ToUpper(hex.EncodeToString(bytes))` has even worse
performance.
53 lines
1.5 KiB
Go
53 lines
1.5 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package packages
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import (
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"encoding/hex"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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const (
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expectedMD5 = "e3bef03c5f3b7f6b3ab3e3053ed71e9c"
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expectedSHA1 = "060b3b99f88e96085b4a68e095bc9e3d1d91e1bc"
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expectedSHA256 = "6ccce4863b70f258d691f59609d31b4502e1ba5199942d3bc5d35d17a4ce771d"
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expectedSHA512 = "7f70e439ba8c52025c1f06cdf6ae443c4b8ed2e90059cdb9bbbf8adf80846f185a24acca9245b128b226d61753b0d7ed46580a69c8999eeff3bc13a4d0bd816c"
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)
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func TestMultiHasherSums(t *testing.T) {
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t.Run("Sums", func(t *testing.T) {
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h := NewMultiHasher()
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h.Write([]byte("gitea"))
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hashMD5, hashSHA1, hashSHA256, hashSHA512 := h.Sums()
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assert.Equal(t, expectedMD5, hex.EncodeToString(hashMD5))
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assert.Equal(t, expectedSHA1, hex.EncodeToString(hashSHA1))
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assert.Equal(t, expectedSHA256, hex.EncodeToString(hashSHA256))
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assert.Equal(t, expectedSHA512, hex.EncodeToString(hashSHA512))
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})
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t.Run("State", func(t *testing.T) {
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h := NewMultiHasher()
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h.Write([]byte("git"))
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state, err := h.MarshalBinary()
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assert.NoError(t, err)
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h2 := NewMultiHasher()
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err = h2.UnmarshalBinary(state)
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assert.NoError(t, err)
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h2.Write([]byte("ea"))
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hashMD5, hashSHA1, hashSHA256, hashSHA512 := h2.Sums()
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assert.Equal(t, expectedMD5, hex.EncodeToString(hashMD5))
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assert.Equal(t, expectedSHA1, hex.EncodeToString(hashSHA1))
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assert.Equal(t, expectedSHA256, hex.EncodeToString(hashSHA256))
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assert.Equal(t, expectedSHA512, hex.EncodeToString(hashSHA512))
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})
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}
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