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https://codeberg.org/forgejo/forgejo.git
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2c8bcc163e
- Use `Fprintf` to convert to hex and do padding. Simplifies the code. - Use `Read()` and `io.ReadFull` instead of `ReadByte()`. Should improve performance and allows for cleaner code. - s/pktLineTypeUnknow/pktLineTypeUnknown. - Disallow empty Pkt line per the specification. - Disallow too large Pkt line per the specification. - Add unit tests.
85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package cmd
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import (
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"bufio"
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"bytes"
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"context"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestPktLine(t *testing.T) {
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ctx := context.Background()
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t.Run("Read", func(t *testing.T) {
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s := strings.NewReader("0000")
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r := bufio.NewReader(s)
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result, err := readPktLine(ctx, r, pktLineTypeFlush)
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assert.NoError(t, err)
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assert.Equal(t, pktLineTypeFlush, result.Type)
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s = strings.NewReader("0006a\n")
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r = bufio.NewReader(s)
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result, err = readPktLine(ctx, r, pktLineTypeData)
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assert.NoError(t, err)
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assert.Equal(t, pktLineTypeData, result.Type)
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assert.Equal(t, []byte("a\n"), result.Data)
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s = strings.NewReader("0004")
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r = bufio.NewReader(s)
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result, err = readPktLine(ctx, r, pktLineTypeData)
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assert.Error(t, err)
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assert.Nil(t, result)
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data := strings.Repeat("x", 65516)
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r = bufio.NewReader(strings.NewReader("fff0" + data))
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result, err = readPktLine(ctx, r, pktLineTypeData)
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assert.NoError(t, err)
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assert.Equal(t, pktLineTypeData, result.Type)
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assert.Equal(t, []byte(data), result.Data)
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r = bufio.NewReader(strings.NewReader("fff1a"))
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result, err = readPktLine(ctx, r, pktLineTypeData)
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assert.Error(t, err)
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assert.Nil(t, result)
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})
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t.Run("Write", func(t *testing.T) {
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w := bytes.NewBuffer([]byte{})
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err := writeFlushPktLine(ctx, w)
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assert.NoError(t, err)
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assert.Equal(t, []byte("0000"), w.Bytes())
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w.Reset()
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err = writeDataPktLine(ctx, w, []byte("a\nb"))
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assert.NoError(t, err)
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assert.Equal(t, []byte("0007a\nb"), w.Bytes())
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w.Reset()
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data := bytes.Repeat([]byte{0x05}, 288)
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err = writeDataPktLine(ctx, w, data)
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assert.NoError(t, err)
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assert.Equal(t, append([]byte("0124"), data...), w.Bytes())
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w.Reset()
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err = writeDataPktLine(ctx, w, nil)
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assert.Error(t, err)
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assert.Empty(t, w.Bytes())
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w.Reset()
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data = bytes.Repeat([]byte{0x64}, 65516)
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err = writeDataPktLine(ctx, w, data)
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assert.NoError(t, err)
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assert.Equal(t, append([]byte("fff0"), data...), w.Bytes())
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w.Reset()
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err = writeDataPktLine(ctx, w, bytes.Repeat([]byte{0x64}, 65516+1))
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assert.Error(t, err)
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assert.Empty(t, w.Bytes())
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})
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}
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