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put parser into setup
make test using convert optional Gotenberg live testing
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phail
parent
6df73ae940
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7 changed files with 329 additions and 90 deletions
220
src/paperless_mail/tests/test_parsers_live.py
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src/paperless_mail/tests/test_parsers_live.py
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import hashlib
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import os
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from unittest import mock
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from urllib.error import HTTPError
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from urllib.request import urlopen
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import pytest
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from django.test import TestCase
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from documents.parsers import ParseError
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from documents.parsers import run_convert
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from paperless_mail.parsers import MailDocumentParser
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from pdfminer.high_level import extract_text
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class TestParserLive(TestCase):
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SAMPLE_FILES = os.path.join(os.path.dirname(__file__), "samples")
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def setUp(self) -> None:
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self.parser = MailDocumentParser(logging_group=None)
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def tearDown(self) -> None:
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self.parser.cleanup()
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@staticmethod
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def hashfile(file):
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buf_size = 65536 # An arbitrary (but fixed) buffer
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sha256 = hashlib.sha256()
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with open(file, "rb") as f:
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while True:
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data = f.read(buf_size)
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if not data:
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break
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sha256.update(data)
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return sha256.hexdigest()
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# Only run if convert is available
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@pytest.mark.skipif(
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"PAPERLESS_TEST_SKIP_CONVERT" in os.environ,
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reason="PAPERLESS_TEST_SKIP_CONVERT set, skipping Test",
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)
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@mock.patch("paperless_mail.parsers.MailDocumentParser.generate_pdf")
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@mock.patch("documents.loggers.LoggingMixin.log") # Disable log output
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def test_get_thumbnail(self, m, mock_generate_pdf: mock.MagicMock):
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mock_generate_pdf.return_value = os.path.join(
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self.SAMPLE_FILES,
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"simple_text.eml.pdf",
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)
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thumb = self.parser.get_thumbnail(
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os.path.join(self.SAMPLE_FILES, "simple_text.eml"),
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"message/rfc822",
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)
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self.assertTrue(os.path.isfile(thumb))
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expected = os.path.join(self.SAMPLE_FILES, "simple_text.eml.pdf.webp")
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self.assertEqual(
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self.hashfile(thumb),
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self.hashfile(expected),
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f"Created Thumbnail {thumb} differs from expected file {expected}",
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)
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@mock.patch("documents.loggers.LoggingMixin.log") # Disable log output
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def test_tika_parse(self, m):
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html = '<html><head><meta http-equiv="content-type" content="text/html; charset=UTF-8"></head><body><p>Some Text</p></body></html>'
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expected_text = "\n\n\n\n\n\n\n\n\nSome Text\n"
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tika_server_original = self.parser.tika_server
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# Check if exception is raised when Tika cannot be reached.
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with pytest.raises(ParseError):
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self.parser.tika_server = ""
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self.parser.tika_parse(html)
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# Check unsuccessful parsing
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self.parser.tika_server = tika_server_original
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parsed = self.parser.tika_parse(None)
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self.assertEqual("", parsed)
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# Check successful parsing
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parsed = self.parser.tika_parse(html)
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self.assertEqual(expected_text, parsed)
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@pytest.mark.skipif(
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"GOTENBERG_LIVE" not in os.environ,
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reason="No gotenberg server",
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)
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@mock.patch("paperless_mail.parsers.MailDocumentParser.generate_pdf_from_mail")
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@mock.patch("paperless_mail.parsers.MailDocumentParser.generate_pdf_from_html")
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def test_generate_pdf_gotenberg_merging(
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self,
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mock_generate_pdf_from_html: mock.MagicMock,
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mock_generate_pdf_from_mail: mock.MagicMock,
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):
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with open(os.path.join(self.SAMPLE_FILES, "first.pdf"), "rb") as first:
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mock_generate_pdf_from_mail.return_value = first.read()
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with open(os.path.join(self.SAMPLE_FILES, "second.pdf"), "rb") as second:
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mock_generate_pdf_from_html.return_value = second.read()
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pdf_path = self.parser.generate_pdf(os.path.join(self.SAMPLE_FILES, "html.eml"))
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self.assertTrue(os.path.isfile(pdf_path))
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extracted = extract_text(pdf_path)
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expected = (
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"first\tPDF\tto\tbe\tmerged.\n\n\x0csecond\tPDF\tto\tbe\tmerged.\n\n\x0c"
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)
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self.assertEqual(expected, extracted)
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# Only run if convert is available
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@pytest.mark.skipif(
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"PAPERLESS_TEST_SKIP_CONVERT" in os.environ,
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reason="PAPERLESS_TEST_SKIP_CONVERT set, skipping Test",
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)
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@mock.patch("documents.loggers.LoggingMixin.log") # Disable log output
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def test_generate_pdf_from_mail(self, m):
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# TODO
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mail = self.parser.get_parsed(os.path.join(self.SAMPLE_FILES, "html.eml"))
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pdf_path = os.path.join(self.parser.tempdir, "test_generate_pdf_from_mail.pdf")
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with open(pdf_path, "wb") as file:
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file.write(self.parser.generate_pdf_from_mail(mail))
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file.close()
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converted = os.path.join(parser.tempdir, "test_generate_pdf_from_mail.webp")
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run_convert(
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density=300,
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scale="500x5000>",
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alpha="remove",
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strip=True,
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trim=False,
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auto_orient=True,
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input_file=f"{pdf_path}", # Do net define an index to convert all pages.
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output_file=converted,
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logging_group=None,
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)
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self.assertTrue(os.path.isfile(converted))
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thumb_hash = self.hashfile(converted)
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# The created pdf is not reproducible. But the converted image should always look the same.
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expected_hash = (
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"8734a3f0a567979343824e468cd737bf29c02086bbfd8773e94feb986968ad32"
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)
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self.assertEqual(
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thumb_hash,
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expected_hash,
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f"PDF looks different. Check if {converted} looks weird.",
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)
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# Only run if convert is available
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@pytest.mark.skipif(
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"PAPERLESS_TEST_SKIP_CONVERT" in os.environ,
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reason="PAPERLESS_TEST_SKIP_CONVERT set, skipping Test",
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)
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@mock.patch("documents.loggers.LoggingMixin.log") # Disable log output
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def test_generate_pdf_from_html(self, m):
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# TODO
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class MailAttachmentMock:
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def __init__(self, payload, content_id):
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self.payload = payload
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self.content_id = content_id
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result = None
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with open(os.path.join(self.SAMPLE_FILES, "sample.html")) as html_file:
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with open(os.path.join(self.SAMPLE_FILES, "sample.png"), "rb") as png_file:
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html = html_file.read()
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png = png_file.read()
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attachments = [
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MailAttachmentMock(png, "part1.pNdUSz0s.D3NqVtPg@example.de"),
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]
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result = self.parser.generate_pdf_from_html(html, attachments)
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pdf_path = os.path.join(self.parser.tempdir, "test_generate_pdf_from_html.pdf")
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with open(pdf_path, "wb") as file:
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file.write(result)
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file.close()
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converted = os.path.join(parser.tempdir, "test_generate_pdf_from_html.webp")
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run_convert(
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density=300,
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scale="500x5000>",
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alpha="remove",
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strip=True,
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trim=False,
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auto_orient=True,
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input_file=f"{pdf_path}", # Do net define an index to convert all pages.
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output_file=converted,
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logging_group=None,
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)
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self.assertTrue(os.path.isfile(converted))
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thumb_hash = self.hashfile(converted)
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# The created pdf is not reproducible. But the converted image should always look the same.
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expected_hash = (
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"267d61f0ab8f128a037002a424b2cb4bfe18a81e17f0b70f15d241688ed47d1a"
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)
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self.assertEqual(
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thumb_hash,
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expected_hash,
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f"PDF looks different. Check if {converted} looks weird. "
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f"If Rick Astley is shown, Gotenberg loads from web which is bad for Mail content.",
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)
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@staticmethod
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def test_is_online_image_still_available():
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"""
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A public image is used in the html sample file. We have no control
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whether this image stays online forever, so here we check if it is still there
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"""
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# Start by Testing if nonexistent URL really throws an Exception
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with pytest.raises(HTTPError):
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urlopen("https://upload.wikimedia.org/wikipedia/en/f/f7/nonexistent.png")
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# Now check the URL used in samples/sample.html
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urlopen("https://upload.wikimedia.org/wikipedia/en/f/f7/RickRoll.png")
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