def test_export_ps(self):
skip_unless_command_exists('ps2ascii')
context = Context()
document = context.new_document(FileUri(images + 'test0.djvu'))
message = document.get_message()
assert_equal(type(message), DocInfoMessage)
assert_true(document.decoding_done)
assert_false(document.decoding_error)
assert_equal(document.decoding_status, JobOK)
assert_equal(document.type, DOCUMENT_TYPE_BUNDLED)
assert_equal(len(document.pages), 2)
assert_equal(len(document.files), 3)
with tempfile.NamedTemporaryFile() as tmp:
job = document.export_ps(tmp.file)
assert_equal(type(job), SaveJob)
assert_true(job.is_done)
assert_false(job.is_error)
stdout, stderr = run('ps2ascii', tmp.name, LC_ALL='C')
assert_equal(stderr, b'')
stdout = re.sub(br'[\x00\s]+', b' ', stdout)
assert_equal(stdout, b' ')
with tempfile.NamedTemporaryFile() as tmp:
job = document.export_ps(tmp.file, pages=(0, ), text=True)
assert_equal(type(job), SaveJob)
assert_true(job.is_done)
assert_false(job.is_error)
stdout, stderr = run('ps2ascii', tmp.name, LC_ALL='C')
assert_equal(stderr, b'')
stdout = stdout.decode('ASCII')
stdout = re.sub(r'[\x00\s]+', ' ', stdout)
stdout = ' '.join(stdout.split()[:3])
expected = '1 Lorem ipsum'
assert_multi_line_equal(stdout, expected)
def test(self):
context = Context()
document = context.new_document(FileUri(images + 'test1.djvu'))
message = document.get_message()
assert_equal(type(message), DocInfoMessage)
thumbnail = document.pages[0].thumbnail
assert_equal(thumbnail.status, JobOK)
assert_equal(thumbnail.calculate(), JobOK)
message = document.get_message()
assert_equal(type(message), ThumbnailMessage)
assert_equal(message.thumbnail.page.n, 0)
(w, h, r), pixels = thumbnail.render((5, 5),
PixelFormatGrey(),
dry_run=True)
assert_equal((w, h, r), (5, 3, 5))
assert_is(pixels, None)
(w, h, r), pixels = thumbnail.render((5, 5), PixelFormatGrey())
assert_equal((w, h, r), (5, 3, 5))
assert_equal(
pixels[:15],
b'\xFF\xEB\xA7\xF2\xFF\xFF\xBF\x86\xBE\xFF\xFF\xE7\xD6\xE7\xFF')
buffer = array.array('B', b'\0')
with assert_raises_str(ValueError,
'Image buffer is too small (25 > 1)'):
(w, h, r), pixels = thumbnail.render((5, 5),
PixelFormatGrey(),
buffer=buffer)
buffer = array.array('B', b'\0' * 25)
(w, h, r), pixels = thumbnail.render((5, 5),
PixelFormatGrey(),
buffer=buffer)
assert_is(pixels, buffer)
s = array_tobytes(buffer[:15])
assert_equal(
s, b'\xFF\xEB\xA7\xF2\xFF\xFF\xBF\x86\xBE\xFF\xFF\xE7\xD6\xE7\xFF')
def test_nonexistent_ja(self):
skip_unless_c_messages()
skip_unless_translation_exists('ja_JP.UTF-8')
path = '__nonexistent__'
context = Context()
try:
with interim_locale(LC_ALL='ja_JP.UTF-8'):
os.stat(path)
except OSError as ex:
c_message = ex.args[1]
else:
raise OSError(errno.EEXIST, os.strerror(errno.EEXIST), path)
try:
c_message.encode('ASCII')
except UnicodeError:
pass
else:
raise AssertionError(
'ja_JP error message is ASCII-only: {msg!r}'.format(
msg=c_message))
with interim_locale(LC_ALL='ja_JP.UTF-8'):
with assert_raises(JobFailed):
context.new_document(FileUri(path))
message = context.get_message()
assert_equal(type(message), ErrorMessage)
assert_equal(type(message.message), unicode)
assert_equal(
message.message,
u("[1-11711] Failed to open '{path}': {msg}.".format(
path=path, msg=c_message)))
assert_equal(
str(message),
"[1-11711] Failed to open '{path}': {msg}.".format(
path=path, msg=c_message))
assert_equal(unicode(message), message.message)
def test_metadata():
model_metadata = {
'English': 'eggs',
u('Русский'): u('яйца'),
}
meta = '\n'.join(
u('|{k}| {v}').format(k=k, v=v) for k, v in model_metadata.items())
test_script = u('set-meta\n{meta}\n.\n').format(meta=meta)
try:
test_file = create_djvu(test_script)
except UnicodeEncodeError:
raise SkipTest(
'you need to run this test with LC_CTYPE=C or LC_CTYPE=<lang>.UTF-8'
)
try:
context = Context()
document = context.new_document(FileUri(test_file.name))
message = document.get_message()
assert_equal(type(message), DocInfoMessage)
annotations = document.annotations
assert_equal(type(annotations), DocumentAnnotations)
annotations.wait()
metadata = annotations.metadata
assert_equal(type(metadata), Metadata)
assert_equal(len(metadata), len(model_metadata))
assert_equal(sorted(metadata), sorted(model_metadata))
if not py3k:
assert_equal(sorted(metadata.iterkeys()),
sorted(model_metadata.iterkeys()))
assert_equal(sorted(metadata.keys()), sorted(model_metadata.keys()))
if not py3k:
assert_equal(sorted(metadata.itervalues()),
sorted(model_metadata.itervalues()))
assert_equal(sorted(metadata.values()),
sorted(model_metadata.values()))
if not py3k:
assert_equal(sorted(metadata.iteritems()),
sorted(model_metadata.iteritems()))
assert_equal(sorted(metadata.items()), sorted(model_metadata.items()))
for k in metadata:
assert_equal(type(k), unicode)
assert_equal(type(metadata[k]), unicode)
for k in None, 42, '+'.join(model_metadata):
with assert_raises(KeyError) as ecm:
metadata[k]
assert_equal(ecm.exception.args, (k, ))
finally:
test_file.close()
def test_nonexistent(self):
path = '__nonexistent__'
try:
os.stat(path)
except OSError as ex:
c_message = ex.args[1]
else:
raise OSError(errno.EEXIST, os.strerror(errno.EEXIST), path)
c_message.encode('ASCII')
skip_unless_c_messages()
context = Context()
with assert_raises(JobFailed):
context.new_document(FileUri(path))
message = context.get_message()
assert_equal(type(message), ErrorMessage)
assert_equal(type(message.message), unicode)
assert_equal(
message.message,
"[1-11711] Failed to open '{path}': {msg}.".format(path=path,
msg=c_message))
assert_equal(str(message), message.message)
assert_equal(unicode(message), message.message)
def test(self):
context = Context()
document = context.new_document(FileUri(images + 'test0.djvu'))
assert_equal(type(document), Document)
message = document.get_message()
assert_equal(type(message), DocInfoMessage)
anno = DocumentAnnotations(document, shared=False)
assert_equal(type(anno), DocumentAnnotations)
anno.wait()
x = anno.sexpr
assert_equal(x, Expression([]))
anno = document.annotations
assert_equal(type(anno), DocumentAnnotations)
anno.wait()
assert_is(anno.background_color, None)
assert_is(anno.horizontal_align, None)
assert_is(anno.vertical_align, None)
assert_is(anno.mode, None)
assert_is(anno.zoom, None)
expected_metadata = [
Symbol('metadata'),
[Symbol('ModDate'), '2015-08-17 19:54:57+02:00'],
[Symbol('CreationDate'), '2015-08-17 19:54:57+02:00'],
[Symbol('Producer'), 'pdfTeX-1.40.16'],
[Symbol('Creator'), 'LaTeX with hyperref package'],
[Symbol('Author'), 'Jakub Wilk']
]
expected_xmp = [
Symbol('xmp'),
'<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">'
'<rdf:Description rdf:about="">'
'<xmpMM:History xmlns:xmpMM="http://ns.adobe.com/xap/1.0/mm/"><rdf:Seq><rdf:li xmlns:stEvt="http://ns.adobe.com/xap/1.0/sType/ResourceEvent#" stEvt:action="converted" stEvt:parameters="from application/pdf to image/vnd.djvu" stEvt:softwareAgent="pdf2djvu 0.8.1 (DjVuLibre 3.5.27, Poppler 0.26.5, GraphicsMagick++ 1.3.21, GNOME XSLT 1.1.28, GNOME XML 2.9.2, PStreams 0.8.0)" stEvt:when="2015-08-17T17:54:58+00:00"/></rdf:Seq></xmpMM:History>'
'<dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">Jakub Wilk</dc:creator>'
'<dc:format xmlns:dc="http://purl.org/dc/elements/1.1/">image/vnd.djvu</dc:format>'
'<pdf:Producer xmlns:pdf="http://ns.adobe.com/pdf/1.3/">pdfTeX-1.40.16</pdf:Producer>'
'<xmp:CreatorTool xmlns:xmp="http://ns.adobe.com/xap/1.0/">LaTeX with hyperref package</xmp:CreatorTool>'
'<xmp:CreateDate xmlns:xmp="http://ns.adobe.com/xap/1.0/">2015-08-17T19:54:57+02:00</xmp:CreateDate>'
'<xmp:ModifyDate xmlns:xmp="http://ns.adobe.com/xap/1.0/">2015-08-17T19:54:57+02:00</xmp:ModifyDate>'
'<xmp:MetadataDate xmlns:xmp="http://ns.adobe.com/xap/1.0/">2015-08-17T17:54:58+00:00</xmp:MetadataDate>'
'</rdf:Description>'
'</rdf:RDF>\n'
]
assert_equal(anno.sexpr, Expression([expected_metadata, expected_xmp]))
metadata = anno.metadata
assert_equal(type(metadata), Metadata)
hyperlinks = anno.hyperlinks
assert_equal(type(hyperlinks), Hyperlinks)
assert_equal(len(hyperlinks), 0)
assert_equal(list(hyperlinks), [])
outline = document.outline
assert_equal(type(outline), DocumentOutline)
outline.wait()
assert_equal(
outline.sexpr,
Expression([
Symbol('bookmarks'), ['Lorem ipsum', '#p0001.djvu'],
[
'Hyperlinks', '#p0002.djvu', ['local', '#p0002.djvu'],
['remote', '#p0002.djvu']
]
]))
page = document.pages[1]
anno = page.annotations
assert_equal(type(anno), PageAnnotations)
anno.wait()
assert_is(anno.background_color, None)
assert_is(anno.horizontal_align, None)
assert_is(anno.vertical_align, None)
assert_is(anno.mode, None)
assert_is(anno.zoom, None)
expected_hyperlinks = [[
Symbol('maparea'), '#p0001.djvu', '',
[Symbol('rect'), 520, 2502, 33, 42],
[Symbol('border'), Symbol('#ff0000')]
],
[
Symbol('maparea'), 'http://jwilk.net/', '',
[Symbol('rect'), 458, 2253, 516, 49],
[Symbol('border'),
Symbol('#00ffff')]
]]
assert_equal(
anno.sexpr,
Expression([expected_metadata, expected_xmp] +
expected_hyperlinks))
page_metadata = anno.metadata
assert_equal(type(page_metadata), Metadata)
assert_equal(page_metadata.keys(), metadata.keys())
assert_equal([page_metadata[k] == metadata[k] for k in metadata],
[True, True, True, True, True])
hyperlinks = anno.hyperlinks
assert_equal(type(hyperlinks), Hyperlinks)
assert_equal(len(hyperlinks), 2)
assert_equal(list(hyperlinks),
[Expression(h) for h in expected_hyperlinks])
text = page.text
assert_equal(type(text), PageText)
text.wait()
text_s = text.sexpr
text_s_detail = [
PageText(page, details).sexpr
for details in (TEXT_DETAILS_PAGE, TEXT_DETAILS_COLUMN,
TEXT_DETAILS_REGION, TEXT_DETAILS_PARAGRAPH,
TEXT_DETAILS_LINE, TEXT_DETAILS_WORD,
TEXT_DETAILS_CHARACTER, TEXT_DETAILS_ALL)
]
assert_equal(text_s_detail[0], text_s_detail[1])
assert_equal(text_s_detail[1], text_s_detail[2])
assert_equal(text_s_detail[2], text_s_detail[3])
assert_equal(
text_s_detail[0],
Expression([
Symbol('page'), 0, 0, 2550, 3300, '2 Hyperlinks \n'
'2.1 local \n' + u('→1 \n') +
'2.2 remote \nhttp://jwilk.net/ \n'
'2 \n'
]))
assert_equal(
text_s_detail[4],
Expression([
Symbol('page'), 0, 0, 2550, 3300,
[Symbol('line'), 462, 2712, 910, 2777, '2 Hyperlinks '],
[Symbol('line'), 462, 2599, 714, 2641, '2.1 local '],
[Symbol('line'), 464, 2505, 544, 2540,
u('→1 ')],
[Symbol('line'), 462, 2358, 772, 2400, '2.2 remote '],
[Symbol('line'), 463, 2256, 964, 2298, 'http://jwilk.net/ '],
[Symbol('line'), 1260, 375, 1282, 409, '2 ']
]))
assert_equal(text_s_detail[5], text_s)
assert_equal(text_s_detail[6], text_s)
assert_equal(text_s_detail[7], text_s)
assert_equal(
text_s,
Expression([
Symbol('page'), 0, 0, 2550, 3300,
[
Symbol('line'), 462, 2712, 910, 2777,
[Symbol('word'), 462, 2727, 495, 2776, '2'],
[Symbol('word'), 571, 2712, 910, 2777, 'Hyperlinks']
],
[
Symbol('line'), 462, 2599, 714, 2641,
[Symbol('word'), 462, 2599, 532, 2641, '2.1'],
[Symbol('word'), 597, 2599, 714, 2640, 'local']
],
[
Symbol('line'), 464, 2505, 544, 2540,
[Symbol('word'), 464, 2505, 544, 2540,
u('→1')]
],
[
Symbol('line'), 462, 2358, 772, 2400,
[Symbol('word'), 462, 2358, 535, 2400, '2.2'],
[Symbol('word'), 598, 2358, 772, 2397, 'remote']
],
[
Symbol('line'), 463, 2256, 964, 2298,
[
Symbol('word'), 463, 2256, 964, 2298,
'http://jwilk.net/'
]
],
[
Symbol('line'), 1260, 375, 1282, 409,
[Symbol('word'), 1260, 375, 1282, 409, '2']
]
]))
with assert_raises_str(TypeError, 'details must be a symbol or none'):
PageText(page, 'eggs')
with assert_raises_str(
ValueError,
'details must be equal to TEXT_DETAILS_PAGE, or TEXT_DETAILS_COLUMN, or TEXT_DETAILS_REGION, or TEXT_DETAILS_PARAGRAPH, or TEXT_DETAILS_LINE, or TEXT_DETAILS_WORD, or TEXT_DETAILS_CHARACTER or TEXT_DETAILS_ALL'
):
PageText(page, Symbol('eggs'))
def test_decode(self):
context = Context()
document = context.new_document(FileUri(images + 'test1.djvu'))
message = document.get_message()
assert_equal(type(message), DocInfoMessage)
page_job = document.pages[0].decode()
assert_true(page_job.is_done)
assert_equal(type(page_job), PageJob)
assert_true(page_job.is_done)
assert_false(page_job.is_error)
assert_equal(page_job.status, JobOK)
assert_equal(page_job.width, 64)
assert_equal(page_job.height, 48)
assert_equal(page_job.size, (64, 48))
assert_equal(page_job.dpi, 300)
assert_equal(page_job.gamma, 2.2)
assert_equal(page_job.version, 24)
assert_equal(page_job.type, PAGE_TYPE_BITONAL)
assert_equal((page_job.rotation, page_job.initial_rotation), (0, 0))
with assert_raises_str(ValueError,
'rotation must be equal to 0, 90, 180, or 270'):
page_job.rotation = 100
page_job.rotation = 180
assert_equal((page_job.rotation, page_job.initial_rotation), (180, 0))
del page_job.rotation
assert_equal((page_job.rotation, page_job.initial_rotation), (0, 0))
with assert_raises_str(
ValueError,
'page_rect width/height must be a positive integer'):
page_job.render(RENDER_COLOR, (0, 0, -1, -1), (0, 0, 10, 10),
PixelFormatRgb())
with assert_raises_str(
ValueError,
'render_rect width/height must be a positive integer'):
page_job.render(RENDER_COLOR, (0, 0, 10, 10), (0, 0, -1, -1),
PixelFormatRgb())
with assert_raises_str(ValueError,
'render_rect must be inside page_rect'):
page_job.render(RENDER_COLOR, (0, 0, 10, 10), (2, 2, 10, 10),
PixelFormatRgb())
with assert_raises_str(ValueError,
'row_alignment must be a positive integer'):
page_job.render(RENDER_COLOR, (0, 0, 10, 10), (0, 0, 10, 10),
PixelFormatRgb(), -1)
with assert_raises_regex(
MemoryError,
r'\AUnable to allocate [0-9]+ bytes for an image memory\Z'):
x = int((sys.maxsize // 2)**0.5)
page_job.render(RENDER_COLOR, (0, 0, x, x), (0, 0, x, x),
PixelFormatRgb(), 8)
s = page_job.render(RENDER_COLOR, (0, 0, 10, 10), (0, 0, 4, 4),
PixelFormatGrey(), 1)
assert_equal(
s,
b'\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xEF\xFF\xFF\xFF\xA4\xFF\xFF\xFF\xB8'
)
buffer = array.array('B', b'\0')
with assert_raises_str(ValueError,
'Image buffer is too small (16 > 1)'):
page_job.render(RENDER_COLOR, (0, 0, 10, 10), (0, 0, 4, 4),
PixelFormatGrey(), 1, buffer)
buffer = array.array('B', b'\0' * 16)
assert_is(
page_job.render(RENDER_COLOR, (0, 0, 10, 10), (0, 0, 4, 4),
PixelFormatGrey(), 1, buffer), buffer)
s = array_tobytes(buffer)
assert_equal(
s,
b'\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xEF\xFF\xFF\xFF\xA4\xFF\xFF\xFF\xB8'
)
def test_save(self):
skip_unless_command_exists('djvudump')
context = Context()
original_filename = images + 'test0.djvu'
document = context.new_document(FileUri(original_filename))
message = document.get_message()
assert_equal(type(message), DocInfoMessage)
assert_true(document.decoding_done)
assert_false(document.decoding_error)
assert_equal(document.decoding_status, JobOK)
assert_equal(document.type, DOCUMENT_TYPE_BUNDLED)
assert_equal(len(document.pages), 2)
assert_equal(len(document.files), 3)
(stdout0, stderr0) = run('djvudump', original_filename, LC_ALL='C')
assert_equal(stderr0, b'')
stdout0 = stdout0.replace(b'\r\n', b'\n')
tmpdir = tempfile.mkdtemp()
try:
tmp = open(os.path.join(tmpdir, 'tmp.djvu'), 'wb')
job = document.save(tmp)
assert_equal(type(job), SaveJob)
assert_true(job.is_done)
assert_false(job.is_error)
tmp.close()
(stdout, stderr) = run('djvudump', tmp.name, LC_ALL='C')
assert_equal(stderr, b'')
stdout = stdout.replace(b'\r\n', b'\n')
assert_equal(stdout, stdout0)
finally:
shutil.rmtree(tmpdir)
tmp = None
tmpdir = tempfile.mkdtemp()
try:
tmp = open(os.path.join(tmpdir, 'tmp.djvu'), 'wb')
job = document.save(tmp, pages=(0, ))
assert_equal(type(job), SaveJob)
assert_true(job.is_done)
assert_false(job.is_error)
tmp.close()
stdout, stderr = run('djvudump', tmp.name, LC_ALL='C')
assert_equal(stderr, b'')
stdout = stdout.replace(b'\r\n', b'\n')
stdout0 = stdout0.split(b'\n')
stdout = stdout.split(b'\n')
stdout[4] = stdout[4].replace(b' (1)', b'')
assert_equal(len(stdout), 10)
assert_equal(stdout[3:-1], stdout0[4:10])
assert_equal(stdout[-1], b'')
finally:
shutil.rmtree(tmpdir)
tmp = None
tmpdir = tempfile.mkdtemp()
try:
tmpfname = os.path.join(tmpdir, 'index.djvu')
job = document.save(indirect=tmpfname)
assert_equal(type(job), SaveJob)
assert_true(job.is_done)
assert_false(job.is_error)
(stdout, stderr) = run('djvudump', tmpfname, LC_ALL='C')
assert_equal(stderr, b'')
stdout = stdout.replace(b'\r\n', b'\n')
stdout = stdout.split(b'\n')
stdout0 = ([b' shared_anno.iff -> shared_anno.iff'] + [
b(' p{n:04}.djvu -> p{n:04}.djvu'.format(n=n))
for n in range(1, 3)
])
assert_equal(len(stdout), 7)
assert_equal(stdout[2:-2], stdout0)
assert_equal(stdout[-1], b'')
finally:
shutil.rmtree(tmpdir)
tmpdir = tempfile.mkdtemp()
try:
tmpfname = os.path.join(tmpdir, 'index.djvu')
job = document.save(indirect=tmpfname, pages=(0, ))
assert_equal(type(job), SaveJob)
assert_true(job.is_done)
assert_false(job.is_error)
(stdout, stderr) = run('djvudump', tmpfname, LC_ALL='C')
stdout = stdout.replace(b'\r\n', b'\n')
assert_equal(stderr, b'')
stdout = stdout.split(b'\n')
assert_equal(len(stdout), 5)
assert_equal(stdout[2],
b' shared_anno.iff -> shared_anno.iff')
assert_equal(stdout[3], b' p0001.djvu -> p0001.djvu')
assert_equal(stdout[-1], b'')
finally:
shutil.rmtree(tmpdir)
def test_new_document(self):
context = Context()
document = context.new_document(FileUri(images + 'test1.djvu'))
assert_equal(type(document), Document)
message = document.get_message()
assert_equal(type(message), DocInfoMessage)
assert_true(document.decoding_done)
assert_false(document.decoding_error)
assert_equal(document.decoding_status, JobOK)
assert_equal(document.type, DOCUMENT_TYPE_SINGLE_PAGE)
assert_equal(len(document.pages), 1)
assert_equal(len(document.files), 1)
decoding_job = document.decoding_job
assert_true(decoding_job.is_done)
assert_false(decoding_job.is_error)
assert_equal(decoding_job.status, JobOK)
file = document.files[0]
assert_is(type(file), File)
assert_is(file.document, document)
assert_is(file.get_info(), None)
assert_equal(file.type, 'P')
assert_equal(file.n_page, 0)
page = file.page
assert_equal(type(page), Page)
assert_is(page.document, document)
assert_equal(page.n, 0)
assert_is(file.size, None)
assert_equal(file.id, u('test1.djvu'))
assert_equal(type(file.id), unicode)
assert_equal(file.name, u('test1.djvu'))
assert_equal(type(file.name), unicode)
assert_equal(file.title, u('test1.djvu'))
assert_equal(type(file.title), unicode)
dump = document.files[0].dump
assert_equal(type(dump), unicode)
assert_equal([line for line in dump.splitlines()], [
u(' FORM:DJVU [83] '),
u(' INFO [10] DjVu 64x48, v24, 300 dpi, gamma=2.2'),
u(' Sjbz [53] JB2 bilevel data'),
])
page = document.pages[0]
assert_equal(type(page), Page)
assert_is(page.document, document)
assert_is(page.get_info(), None)
assert_equal(page.width, 64)
assert_equal(page.height, 48)
assert_equal(page.size, (64, 48))
assert_equal(page.dpi, 300)
assert_equal(page.rotation, 0)
assert_equal(page.version, 24)
file = page.file
assert_equal(type(file), File)
assert_equal(file.id, u('test1.djvu'))
assert_equal(type(file.id), unicode)
dump = document.files[0].dump
assert_equal(type(dump), unicode)
assert_equal([line for line in dump.splitlines()], [
u(' FORM:DJVU [83] '),
u(' INFO [10] DjVu 64x48, v24, 300 dpi, gamma=2.2'),
u(' Sjbz [53] JB2 bilevel data'),
])
assert_is(document.get_message(wait=False), None)
assert_is(context.get_message(wait=False), None)
with assert_raises_str(IndexError, 'file number out of range'):
document.files[-1].get_info()
assert_is(document.get_message(wait=False), None)
assert_is(context.get_message(wait=False), None)
with assert_raises_str(IndexError, 'page number out of range'):
document.pages[-1]
with assert_raises_str(IndexError, 'page number out of range'):
document.pages[1]
assert_is(document.get_message(wait=False), None)
assert_is(context.get_message(wait=False), None)