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Fix up preview URL API. Add tests.

Browse source 
This includes:

- Splitting out methods of a class into stand alone functions, to make
  them easier to test.
- Adding unit tests to split out functions, testing HTML -> preview.
- Handle the fact that elements in lxml may have tail text.
This commit is contained in:
Erik Johnston 2016-08-16 14:53:18 +01:00
parent 7c6f4f9427
commit 48b5829aea
2 changed files with 275 additions and 158 deletions
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80
tests/test_preview.py
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@ -15,7 +15,9 @@
from . import unittest
from synapse.rest.media.v1.preview_url_resource import summarize_paragraphs
from synapse.rest.media.v1.preview_url_resource import (
summarize_paragraphs, decode_and_calc_og
)
class PreviewTestCase(unittest.TestCase):
@ -137,3 +139,79 @@ class PreviewTestCase(unittest.TestCase):
" of old wooden houses in Northern Norway, the oldest house dating from"
" 1789. The Arctic Cathedral, a modern church…"
)
class PreviewUrlTestCase(unittest.TestCase):
def test_simple(self):
html = """
<html>
<head><title>Foo</title></head>
<body>
Some text.
</body>
</html>
"""
og = decode_and_calc_og(html, "http://example.com/test.html")
self.assertEquals(og, {
"og:title": "Foo",
"og:description": "Some text."
})
def test_comment(self):
html = """
<html>
<head><title>Foo</title></head>
<body>
<!-- HTML comment -->
Some text.
</body>
</html>
"""
og = decode_and_calc_og(html, "http://example.com/test.html")
self.assertEquals(og, {
"og:title": "Foo",
"og:description": "Some text."
})
def test_comment2(self):
html = """
<html>
<head><title>Foo</title></head>
<body>
Some text.
<!-- HTML comment -->
Some more text.
<p>Text</p>
More text
</body>
</html>
"""
og = decode_and_calc_og(html, "http://example.com/test.html")
self.assertEquals(og, {
"og:title": "Foo",
"og:description": "Some text.\n\nSome more text.\n\nText\n\nMore text"
})
def test_script(self):
html = """
<html>
<head><title>Foo</title></head>
<body>
<script> (function() {})() </script>
Some text.
</body>
</html>
"""
og = decode_and_calc_og(html, "http://example.com/test.html")
self.assertEquals(og, {
"og:title": "Foo",
"og:description": "Some text."
})