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"""
1. Read metadata and compare with stored expected result.
2. Erase metadata and assert object has indeed been deleted.
"""
import json
import os
import fitz
scriptdir = os.path.abspath(os.path.dirname(__file__))
filename = os.path.join(scriptdir, "resources", "001003ED.pdf")
metafile = os.path.join(scriptdir, "resources", "metadata.txt")
doc = fitz.open(filename)
def test_metadata():
assert json.dumps(doc.metadata) == open(metafile).read()
def test_erase_meta():
doc.set_metadata({})
# Check PDF trailer and assert that there is no more /Info object
# or is set to "null".
statement1 = doc.xref_get_key(-1, "Info")[1] == "null"
statement2 = "Info" not in doc.xref_get_keys(-1)
assert statement2 or statement1
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