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263 lines
10 KiB
Python
263 lines
10 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014-2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from synapse.rest.media.v1.preview_url_resource import (
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decode_and_calc_og,
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summarize_paragraphs,
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)
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from . import unittest
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try:
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import lxml
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except ImportError:
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lxml = None
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class PreviewTestCase(unittest.TestCase):
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if not lxml:
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skip = "url preview feature requires lxml"
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def test_long_summarize(self):
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example_paras = [
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"""Tromsø (Norwegian pronunciation: [ˈtrʊmsœ] ( listen); Northern Sami:
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Romsa; Finnish: Tromssa[2] Kven: Tromssa) is a city and municipality in
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Troms county, Norway. The administrative centre of the municipality is
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the city of Tromsø. Outside of Norway, Tromso and Tromsö are
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alternative spellings of the city.Tromsø is considered the northernmost
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city in the world with a population above 50,000. The most populous town
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north of it is Alta, Norway, with a population of 14,272 (2013).""",
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"""Tromsø lies in Northern Norway. The municipality has a population of
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(2015) 72,066, but with an annual influx of students it has over 75,000
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most of the year. It is the largest urban area in Northern Norway and the
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third largest north of the Arctic Circle (following Murmansk and Norilsk).
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Most of Tromsø, including the city centre, is located on the island of
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Tromsøya, 350 kilometres (217 mi) north of the Arctic Circle. In 2012,
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Tromsøya had a population of 36,088. Substantial parts of the urban area
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are also situated on the mainland to the east, and on parts of Kvaløya—a
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large island to the west. Tromsøya is connected to the mainland by the Tromsø
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Bridge and the Tromsøysund Tunnel, and to the island of Kvaløya by the
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Sandnessund Bridge. Tromsø Airport connects the city to many destinations
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in Europe. The city is warmer than most other places located on the same
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latitude, due to the warming effect of the Gulf Stream.""",
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"""The city centre of Tromsø contains the highest number of old wooden
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houses in Northern Norway, the oldest house dating from 1789. The Arctic
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Cathedral, a modern church from 1965, is probably the most famous landmark
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in Tromsø. The city is a cultural centre for its region, with several
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festivals taking place in the summer. Some of Norway's best-known
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musicians, Torbjørn Brundtland and Svein Berge of the electronica duo
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Röyksopp and Lene Marlin grew up and started their careers in Tromsø.
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Noted electronic musician Geir Jenssen also hails from Tromsø.""",
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]
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desc = summarize_paragraphs(example_paras, min_size=200, max_size=500)
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self.assertEqual(
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desc,
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"Tromsø (Norwegian pronunciation: [ˈtrʊmsœ] ( listen); Northern Sami:"
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" Romsa; Finnish: Tromssa[2] Kven: Tromssa) is a city and municipality in"
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" Troms county, Norway. The administrative centre of the municipality is"
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" the city of Tromsø. Outside of Norway, Tromso and Tromsö are"
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" alternative spellings of the city.Tromsø is considered the northernmost"
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" city in the world with a population above 50,000. The most populous town"
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" north of it is Alta, Norway, with a population of 14,272 (2013).",
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)
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desc = summarize_paragraphs(example_paras[1:], min_size=200, max_size=500)
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self.assertEqual(
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desc,
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"Tromsø lies in Northern Norway. The municipality has a population of"
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" (2015) 72,066, but with an annual influx of students it has over 75,000"
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" most of the year. It is the largest urban area in Northern Norway and the"
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" third largest north of the Arctic Circle (following Murmansk and Norilsk)."
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" Most of Tromsø, including the city centre, is located on the island of"
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" Tromsøya, 350 kilometres (217 mi) north of the Arctic Circle. In 2012,"
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" Tromsøya had a population of 36,088. Substantial parts of the urban…",
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)
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def test_short_summarize(self):
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example_paras = [
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"Tromsø (Norwegian pronunciation: [ˈtrʊmsœ] ( listen); Northern Sami:"
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" Romsa; Finnish: Tromssa[2] Kven: Tromssa) is a city and municipality in"
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" Troms county, Norway.",
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"Tromsø lies in Northern Norway. The municipality has a population of"
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" (2015) 72,066, but with an annual influx of students it has over 75,000"
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" most of the year.",
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"The city centre of Tromsø contains the highest number of old wooden"
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" houses in Northern Norway, the oldest house dating from 1789. The Arctic"
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" Cathedral, a modern church from 1965, is probably the most famous landmark"
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" in Tromsø.",
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]
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desc = summarize_paragraphs(example_paras, min_size=200, max_size=500)
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self.assertEqual(
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desc,
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"Tromsø (Norwegian pronunciation: [ˈtrʊmsœ] ( listen); Northern Sami:"
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" Romsa; Finnish: Tromssa[2] Kven: Tromssa) is a city and municipality in"
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" Troms county, Norway.\n"
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"\n"
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"Tromsø lies in Northern Norway. The municipality has a population of"
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" (2015) 72,066, but with an annual influx of students it has over 75,000"
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" most of the year.",
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)
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def test_small_then_large_summarize(self):
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example_paras = [
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"Tromsø (Norwegian pronunciation: [ˈtrʊmsœ] ( listen); Northern Sami:"
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" Romsa; Finnish: Tromssa[2] Kven: Tromssa) is a city and municipality in"
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" Troms county, Norway.",
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"Tromsø lies in Northern Norway. The municipality has a population of"
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" (2015) 72,066, but with an annual influx of students it has over 75,000"
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" most of the year."
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" The city centre of Tromsø contains the highest number of old wooden"
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" houses in Northern Norway, the oldest house dating from 1789. The Arctic"
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" Cathedral, a modern church from 1965, is probably the most famous landmark"
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" in Tromsø.",
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]
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desc = summarize_paragraphs(example_paras, min_size=200, max_size=500)
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self.assertEqual(
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desc,
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"Tromsø (Norwegian pronunciation: [ˈtrʊmsœ] ( listen); Northern Sami:"
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" Romsa; Finnish: Tromssa[2] Kven: Tromssa) is a city and municipality in"
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" Troms county, Norway.\n"
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"\n"
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"Tromsø lies in Northern Norway. The municipality has a population of"
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" (2015) 72,066, but with an annual influx of students it has over 75,000"
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" most of the year. The city centre of Tromsø contains the highest number"
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" of old wooden houses in Northern Norway, the oldest house dating from"
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" 1789. The Arctic Cathedral, a modern church from…",
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)
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class PreviewUrlTestCase(unittest.TestCase):
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if not lxml:
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skip = "url preview feature requires lxml"
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def test_simple(self):
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html = """
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<html>
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<head><title>Foo</title></head>
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<body>
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Some text.
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</body>
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</html>
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"""
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og = decode_and_calc_og(html, "http://example.com/test.html")
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self.assertEqual(og, {"og:title": "Foo", "og:description": "Some text."})
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def test_comment(self):
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html = """
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<html>
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<head><title>Foo</title></head>
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<body>
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<!-- HTML comment -->
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Some text.
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</body>
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</html>
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"""
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og = decode_and_calc_og(html, "http://example.com/test.html")
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self.assertEqual(og, {"og:title": "Foo", "og:description": "Some text."})
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def test_comment2(self):
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html = """
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<html>
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<head><title>Foo</title></head>
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<body>
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Some text.
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<!-- HTML comment -->
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Some more text.
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<p>Text</p>
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More text
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</body>
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</html>
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"""
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og = decode_and_calc_og(html, "http://example.com/test.html")
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self.assertEqual(
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og,
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{
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"og:title": "Foo",
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"og:description": "Some text.\n\nSome more text.\n\nText\n\nMore text",
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},
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)
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def test_script(self):
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html = """
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<html>
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<head><title>Foo</title></head>
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<body>
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<script> (function() {})() </script>
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Some text.
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</body>
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</html>
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"""
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og = decode_and_calc_og(html, "http://example.com/test.html")
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self.assertEqual(og, {"og:title": "Foo", "og:description": "Some text."})
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def test_missing_title(self):
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html = """
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<html>
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<body>
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Some text.
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</body>
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</html>
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"""
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og = decode_and_calc_og(html, "http://example.com/test.html")
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self.assertEqual(og, {"og:title": None, "og:description": "Some text."})
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def test_h1_as_title(self):
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html = """
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<html>
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<meta property="og:description" content="Some text."/>
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<body>
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<h1>Title</h1>
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</body>
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</html>
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"""
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og = decode_and_calc_og(html, "http://example.com/test.html")
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self.assertEqual(og, {"og:title": "Title", "og:description": "Some text."})
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def test_missing_title_and_broken_h1(self):
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html = """
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<html>
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<body>
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<h1><a href="foo"/></h1>
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Some text.
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</body>
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</html>
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"""
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og = decode_and_calc_og(html, "http://example.com/test.html")
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self.assertEqual(og, {"og:title": None, "og:description": "Some text."})
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def test_empty(self):
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html = ""
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og = decode_and_calc_og(html, "http://example.com/test.html")
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self.assertEqual(og, {})
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