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483ce28422
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66 lines
2.1 KiB
Go
66 lines
2.1 KiB
Go
package thumbnail
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import (
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"context"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"time"
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)
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func fakePdftoppm(t *testing.T, script string) string {
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t.Helper()
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path := filepath.Join(t.TempDir(), "pdftoppm")
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if err := os.WriteFile(path, []byte("#!/bin/sh\n"+script+"\n"), 0o700); err != nil {
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t.Fatal(err)
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}
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return path
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}
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// QA-15 F-13: ein haengender pdftoppm-Lauf wird nach dem Zeitlimit beendet.
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func TestRenderPDFFirstPage_KillsHangingProcessAfterTimeout(t *testing.T) {
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g := &Generator{PdftoppmPath: fakePdftoppm(t, "sleep 60"), RenderTimeout: 300 * time.Millisecond}
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start := time.Now()
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_, err := g.renderPDFFirstPage(context.Background(), []byte("%PDF-1.4"))
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if err == nil || !strings.Contains(err.Error(), "zeitlimit") {
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t.Fatalf("err = %v, erwartet zeitlimit-fehler", err)
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}
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if elapsed := time.Since(start); elapsed > 10*time.Second {
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t.Fatalf("lauf dauerte %s, das zeitlimit greift nicht", elapsed)
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}
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}
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func TestRenderPDFFirstPage_ParentCancellationStopsProcess(t *testing.T) {
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g := &Generator{PdftoppmPath: fakePdftoppm(t, "sleep 60"), RenderTimeout: time.Minute}
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ctx, cancel := context.WithTimeout(context.Background(), 300*time.Millisecond)
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defer cancel()
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start := time.Now()
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if _, err := g.renderPDFFirstPage(ctx, []byte("%PDF-1.4")); err == nil {
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t.Fatal("kein fehler bei abgebrochenem kontext")
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}
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if elapsed := time.Since(start); elapsed > 10*time.Second {
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t.Fatalf("lauf dauerte %s nach abbruch", elapsed)
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}
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}
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func TestRenderPDFFirstPage_LongToolOutputIsTruncatedInError(t *testing.T) {
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g := &Generator{PdftoppmPath: fakePdftoppm(t, "yes x | head -c 100000; exit 1")}
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_, err := g.renderPDFFirstPage(context.Background(), []byte("%PDF-1.4"))
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if err == nil {
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t.Fatal("kein fehler")
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}
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if len(err.Error()) > 1000 {
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t.Fatalf("fehlermeldung nicht gekuerzt: %d bytes", len(err.Error()))
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}
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}
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func TestRenderTimeoutDefault(t *testing.T) {
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if got := (&Generator{}).renderTimeout(); got != defaultRenderTimeout {
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t.Fatalf("standard = %s", got)
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}
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if got := (&Generator{RenderTimeout: 5 * time.Second}).renderTimeout(); got != 5*time.Second {
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t.Fatalf("konfiguriert = %s", got)
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}
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}
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