mirror of
https://github.com/unidoc/unipdf.git
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74 lines
1.6 KiB
Go
74 lines
1.6 KiB
Go
/*
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* This file is subject to the terms and conditions defined in
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* file 'LICENSE.md', which is part of this source code package.
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*/
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package model
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"os"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestGetOutlines(t *testing.T) {
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// Open reader.
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f, err := os.Open(`./testdata/pages3.pdf`)
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require.NoError(t, err)
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reader, err := NewPdfReader(f)
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require.NoError(t, err)
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defer f.Close()
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pageNum, err := reader.GetNumPages()
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require.NoError(t, err)
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// Add reader pages to writer.
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writer := NewPdfWriter()
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for i := 1; i < pageNum; i++ {
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page, err := reader.GetPage(i)
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require.NoError(t, err)
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writer.AddPage(page)
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}
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// Generate outline.
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srcOutline := NewOutline()
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for i := 0; i < 3; i++ {
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item := NewOutlineItem(fmt.Sprintf("Outline %d", i+1),
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NewOutlineDest(int64(i), float64(i), float64(i)))
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srcOutline.Add(item)
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for j := 0; j < i; j++ {
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childItem := NewOutlineItem(fmt.Sprintf("%s.%d", item.Title, j+1),
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NewOutlineDest(int64(i), float64(i*j), float64(i*j)))
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item.Add(childItem)
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item = childItem
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}
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}
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writer.AddOutlineTree(srcOutline.ToOutlineTree())
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// Write file to buffer.
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var buf bytes.Buffer
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err = writer.Write(&buf)
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require.NoError(t, err)
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// Read file from buffer.
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reader, err = NewPdfReader(bytes.NewReader(buf.Bytes()))
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require.NoError(t, err)
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// Compare generated outline with the one read from the buffer.
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dstOutline, err := reader.GetOutlines()
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require.NoError(t, err)
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srcJson, err := json.Marshal(srcOutline)
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require.NoError(t, err)
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dstJson, err := json.Marshal(dstOutline)
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require.NoError(t, err)
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require.Equal(t, srcJson, dstJson)
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}
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