test: add tests for issue #42

test/issues.test.js

@@ -1,4 +1,5 @@
 const path = require('path')
+const pdf = require('pdfjs')
 const fs = require('fs-extra')
 
 const PDFMerger = require('../index')
@@ -25,6 +26,27 @@ describe('issues', () => {
     await merger.save(path.join(TMP_DIR, 'Testfile_BA.pdf'))
   })
 
+  test.skip('merge compressed pdfs (#42)', async () => {
+    // can pdfjs handle this file?
+    const doc = new pdf.Document()
+    const src = await fs.readFile(path.join(FIXTURES_DIR, 'issue-42.pdf'))
+    const ext = new pdf.ExternalDocument(src)
+    doc.addPagesOf(ext)
+    const fileBuffer = await doc.asBuffer()
+    await fs.writeFile(path.join(TMP_DIR, 'Testfile_issue-42_1.pdf'), fileBuffer)
+
+    // ok let's try to use pdf-merger-js
+    const merger = new PDFMerger()
+    merger.add(path.join(FIXTURES_DIR, 'issue-42.pdf'))
+
+    // first let's make sure we can save the file
+    await merger.save(path.join(TMP_DIR, 'Testfile_issue-42_2.pdf'))
+
+    // can we also save the file as a buffer?
+    const buffer = await merger.saveAsBuffer()
+    await fs.writeFile(path.join(TMP_DIR, 'Testfile_issue-42_3.pdf'), buffer)
+  })
+
   afterAll(async () => {
     await fs.remove(TMP_DIR)
   })