wehub-resource-sync
f36e2104d8
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76 lines
2.0 KiB
Go
76 lines
2.0 KiB
Go
//go:build cgo && manual
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package pdf
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import (
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"os"
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"path/filepath"
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"sync"
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"testing"
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"ragflow/internal/deepdoc/parser/pdf/pdfium"
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"ragflow/internal/deepdoc/parser/pdf/pdfoxide"
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)
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// TestPdfsyncSharedMutexAcrossBindings hammers both the cgo pdfium binding and
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// the Rust pdf_oxide binding concurrently on the same document. Both bindings
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// link a single PDFium instance (build.sh collapses the duplicate FPDF_*
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// symbols with --allow-multiple-definition), so each binding must serialize
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// through the SAME process-wide pdfsync.Mu. Two independent mutexes would
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// still interleave calls onto the shared PDFium heap and SIGSEGV. The test
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// therefore only passes if it completes without crashing — it directly
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// exercises the shared-mutex invariant described in pdfsync/pdfsync.go.
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func TestPdfsyncSharedMutexAcrossBindings(t *testing.T) {
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pdfPath := filepath.Join("testdata", "pdfs", "01_english_simple.pdf")
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data, err := os.ReadFile(pdfPath)
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if err != nil {
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t.Fatal(err)
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}
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const goroutines = 16
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const iterations = 3
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var wg sync.WaitGroup
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for i := 0; i < goroutines; i++ {
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wg.Add(1)
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go func(id int) {
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defer wg.Done()
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usePdfium := id%2 == 0
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for j := 0; j < iterations; j++ {
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if usePdfium {
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if _, _, err := pdfium.PageSize(data, 0); err != nil {
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t.Errorf("pdfium.PageSize: %v", err)
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return
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}
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img, err := pdfium.RenderPage(data, 0, 72)
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if err != nil {
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t.Errorf("pdfium.RenderPage: %v", err)
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return
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}
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if img.Bounds().Dx() <= 0 {
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t.Error("pdfium.RenderPage returned zero-width image")
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return
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}
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} else {
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doc, err := pdfoxide.OpenBytes(data)
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if err != nil {
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t.Errorf("pdfoxide.OpenBytes: %v", err)
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return
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}
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res, err := doc.RenderPage(0, 72)
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doc.Close()
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if err != nil {
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t.Errorf("pdfoxide.RenderPage: %v", err)
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return
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}
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if res.Width <= 0 {
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t.Error("pdfoxide.RenderPage returned zero-width image")
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return
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}
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}
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}
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}(i)
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}
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wg.Wait()
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}
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