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authorErik Johnston <erik@matrix.org>2016-08-04 16:08:32 +0100
committerErik Johnston <erik@matrix.org>2016-08-04 16:09:09 +0100
commite97648c4e219d56fa7b46cdd763a588e84a23f02 (patch)
treed3c9e513a38f7f2e393fd879448e21de6dfc53b4 /tests/test_preview.py
parentMerge branch 'develop' of github.com:matrix-org/synapse into erikj/xpath_fix (diff)
downloadsynapse-e97648c4e219d56fa7b46cdd763a588e84a23f02.tar.xz
Test summarization
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+# -*- coding: utf-8 -*-
+# Copyright 2014-2016 OpenMarket Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from . import unittest
+
+from synapse.rest.media.v1.preview_url_resource import summarize_paragraphs
+
+
+class PreviewTestCase(unittest.TestCase):
+
+    def test_long_summarize(self):
+        example_paras = [
+            """Tromsø (Norwegian pronunciation: [ˈtrʊmsœ] ( listen); Northern Sami:
+            Romsa; Finnish: Tromssa[2] Kven: Tromssa) is a city and municipality in
+            Troms county, Norway. The administrative centre of the municipality is
+            the city of Tromsø. Outside of Norway, Tromso and Tromsö are
+            alternative spellings of the city.Tromsø is considered the northernmost
+            city in the world with a population above 50,000. The most populous town
+            north of it is Alta, Norway, with a population of 14,272 (2013).""",
+
+            """Tromsø lies in Northern Norway. The municipality has a population of
+            (2015) 72,066, but with an annual influx of students it has over 75,000
+            most of the year. It is the largest urban area in Northern Norway and the
+            third largest north of the Arctic Circle (following Murmansk and Norilsk).
+            Most of Tromsø, including the city centre, is located on the island of
+            Tromsøya, 350 kilometres (217 mi) north of the Arctic Circle. In 2012,
+            Tromsøya had a population of 36,088. Substantial parts of the urban area
+            are also situated on the mainland to the east, and on parts of Kvaløya—a
+            large island to the west. Tromsøya is connected to the mainland by the Tromsø
+            Bridge and the Tromsøysund Tunnel, and to the island of Kvaløya by the
+            Sandnessund Bridge. Tromsø Airport connects the city to many destinations
+            in Europe. The city is warmer than most other places located on the same
+            latitude, due to the warming effect of the Gulf Stream.""",
+
+            """The city centre of Tromsø contains the highest number of old wooden
+            houses in Northern Norway, the oldest house dating from 1789. The Arctic
+            Cathedral, a modern church from 1965, is probably the most famous landmark
+            in Tromsø. The city is a cultural centre for its region, with several
+            festivals taking place in the summer. Some of Norway's best-known
+             musicians, Torbjørn Brundtland and Svein Berge of the electronica duo
+             Röyksopp and Lene Marlin grew up and started their careers in Tromsø.
+             Noted electronic musician Geir Jenssen also hails from Tromsø.""",
+        ]
+
+        desc = summarize_paragraphs(example_paras, min_size=200, max_size=500)
+
+        self.assertEquals(
+            desc,
+            "Tromsø (Norwegian pronunciation: [ˈtrʊmsœ] ( listen); Northern Sami:"
+            " Romsa; Finnish: Tromssa[2] Kven: Tromssa) is a city and municipality in"
+            " Troms county, Norway. The administrative centre of the municipality is"
+            " the city of Tromsø. Outside of Norway, Tromso and Tromsö are"
+            " alternative spellings of the city.Tromsø is considered the northernmost"
+            " city in the world with a population above 50,000. The most populous town"
+            " north of it is Alta, Norway, with a population of 14,272 (2013)."
+        )
+
+        desc = summarize_paragraphs(example_paras[1:], min_size=200, max_size=500)
+
+        self.assertEquals(
+            desc,
+            "Tromsø lies in Northern Norway. The municipality has a population of"
+            " (2015) 72,066, but with an annual influx of students it has over 75,000"
+            " most of the year. It is the largest urban area in Northern Norway and the"
+            " third largest north of the Arctic Circle (following Murmansk and Norilsk)."
+            " Most of Tromsø, including the city centre, is located on the island of"
+            " Tromsøya, 350 kilometres (217 mi) north of the Arctic Circle. In 2012,"
+            " Tromsøya had a population of 36,088. Substantial parts of the…"
+        )
+
+    def test_short_summarize(self):
+        example_paras = [
+            "Tromsø (Norwegian pronunciation: [ˈtrʊmsœ] ( listen); Northern Sami:"
+            " Romsa; Finnish: Tromssa[2] Kven: Tromssa) is a city and municipality in"
+            " Troms county, Norway.",
+
+            "Tromsø lies in Northern Norway. The municipality has a population of"
+            " (2015) 72,066, but with an annual influx of students it has over 75,000"
+            " most of the year.",
+
+            "The city centre of Tromsø contains the highest number of old wooden"
+            " houses in Northern Norway, the oldest house dating from 1789. The Arctic"
+            " Cathedral, a modern church from 1965, is probably the most famous landmark"
+            " in Tromsø.",
+        ]
+
+        desc = summarize_paragraphs(example_paras, min_size=200, max_size=500)
+
+        self.assertEquals(
+            desc,
+            "Tromsø (Norwegian pronunciation: [ˈtrʊmsœ] ( listen); Northern Sami:"
+            " Romsa; Finnish: Tromssa[2] Kven: Tromssa) is a city and municipality in"
+            " Troms county, Norway.\n"
+            "\n"
+            "Tromsø lies in Northern Norway. The municipality has a population of"
+            " (2015) 72,066, but with an annual influx of students it has over 75,000"
+            " most of the year."
+        )
+
+    def test_small_then_large_summarize(self):
+        example_paras = [
+            "Tromsø (Norwegian pronunciation: [ˈtrʊmsœ] ( listen); Northern Sami:"
+            " Romsa; Finnish: Tromssa[2] Kven: Tromssa) is a city and municipality in"
+            " Troms county, Norway.",
+
+            "Tromsø lies in Northern Norway. The municipality has a population of"
+            " (2015) 72,066, but with an annual influx of students it has over 75,000"
+            " most of the year."
+            " The city centre of Tromsø contains the highest number of old wooden"
+            " houses in Northern Norway, the oldest house dating from 1789. The Arctic"
+            " Cathedral, a modern church from 1965, is probably the most famous landmark"
+            " in Tromsø.",
+        ]
+
+        desc = summarize_paragraphs(example_paras, min_size=200, max_size=500)
+        self.assertEquals(
+            desc,
+            "Tromsø (Norwegian pronunciation: [ˈtrʊmsœ] ( listen); Northern Sami:"
+            " Romsa; Finnish: Tromssa[2] Kven: Tromssa) is a city and municipality in"
+            " Troms county, Norway.\n"
+            "\n"
+            "Tromsø lies in Northern Norway. The municipality has a population of"
+            " (2015) 72,066, but with an annual influx of students it has over 75,000"
+            " most of the year. The city centre of Tromsø contains the highest number"
+            " of old wooden houses in Northern Norway, the oldest house dating from"
+            " 1789. The Arctic Cathedral, a modern church…"
+        )