Document need for pdfinfo to be pickleable

2018-05-24 22:24:13 -07:00
parent 68d8642988
commit 0a04a60f69
1 changed files with 9 additions and 0 deletions
@@ -146,3 +146,12 @@ def test_oversized_page(resources):
    pdf = pdfinfo.PdfInfo(resources / 'poster.pdf')
    image = pdf[0].images[0]
    assert image.width * image.xres > 200, "this is supposed to be oversized"
+
+
+def test_pickle(resources):
+    # For multiprocessing we must be able to pickle our information - if
+    # this fails then we are probably storing some unpickleabe pikepdf or
+    # other external data around
+    filename = resources / 'formxobject.pdf'
+    pdf = pdfinfo.PdfInfo(filename)
+    pickle.dumps(pdf)