Function test_3081

tests/test_general.py:912–967

Check Document.close() closes file handles, even if a Page instance exists.

()

        assert wt == 'invalid marked content and clip nesting'

def test_3081():
    '''
    Check Document.close() closes file handles, even if a Page instance exists.
    '''
    path1 = os.path.abspath(f'{__file__}/../../tests/resources/1.pdf')
    path2 = os.path.abspath(f'{__file__}/../../tests/test_3081-2.pdf')
    
    import shutil
    import sys
    import traceback
    shutil.copy2(path1, path2)
    
    # Find next two available fds.
    next_fd_1 = os.open(path2, os.O_RDONLY)
    next_fd_2 = os.open(path2, os.O_RDONLY)
    os.close(next_fd_1)
    os.close(next_fd_2)

    def next_fd():
        fd = os.open(path2, os.O_RDONLY)
        os.close(fd)
        return fd
    
    fd1 = next_fd()
    document = pymupdf.open(path2)
    page = document[0]
    fd2 = next_fd()
    document.close()
    assert document.this is None
    assert page.this is None
    try:
        document.page_count()
    except Exception as e:
        print(f'Received expected exception: {e}')
        #traceback.print_exc(file=sys.stdout)
        assert str(e) == 'document closed'
    else:
        assert 0, 'Did not receive expected exception.'
    fd3 = next_fd()
    try:
        page.bound()
    except Exception as e:
        print(f'Received expected exception: {e}')
        #traceback.print_exc(file=sys.stdout)
        assert str(e) == 'page is None'
    else:
        assert 0, 'Did not receive expected exception.'
    page = None
    fd4 = next_fd()
    print(f'{next_fd_1=} {next_fd_2=}')
    print(f'{fd1=} {fd2=} {fd3=} {fd4=}')
    print(f'{document=}')
    assert fd1 == next_fd_1
    assert fd2 == next_fd_2 # Checks document only uses one fd.
    assert fd3 == next_fd_1 # Checks no leaked fds after document close.
    assert fd4 == next_fd_1 # Checks no leaked fds after failed page access.

def test_xml():