forked from varia/varia.website
96 lines
3.6 KiB
Python
96 lines
3.6 KiB
Python
# -*- coding: utf-8 -*-
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'''Core plugins unit tests'''
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import os
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import tempfile
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import unittest
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import time
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from contextlib import contextmanager
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from tempfile import mkdtemp
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from shutil import rmtree
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from hashlib import md5
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import gzip_cache
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@contextmanager
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def temporary_folder():
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"""creates a temporary folder, return it and delete it afterwards.
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This allows to do something like this in tests:
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>>> with temporary_folder() as d:
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# do whatever you want
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"""
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tempdir = mkdtemp()
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try:
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yield tempdir
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finally:
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rmtree(tempdir)
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class TestGzipCache(unittest.TestCase):
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def test_should_compress(self):
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# Some filetypes should compress and others shouldn't.
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self.assertTrue(gzip_cache.should_compress('foo.html'))
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self.assertTrue(gzip_cache.should_compress('bar.css'))
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self.assertTrue(gzip_cache.should_compress('baz.js'))
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self.assertTrue(gzip_cache.should_compress('foo.txt'))
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self.assertFalse(gzip_cache.should_compress('foo.gz'))
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self.assertFalse(gzip_cache.should_compress('bar.png'))
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self.assertFalse(gzip_cache.should_compress('baz.mp3'))
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self.assertFalse(gzip_cache.should_compress('foo.mov'))
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def test_should_overwrite(self):
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# Default to false if GZIP_CACHE_OVERWRITE is not set
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settings = { }
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self.assertFalse(gzip_cache.should_overwrite(settings))
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settings = { 'GZIP_CACHE_OVERWRITE': False }
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self.assertFalse(gzip_cache.should_overwrite(settings))
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settings = { 'GZIP_CACHE_OVERWRITE': True }
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self.assertTrue(gzip_cache.should_overwrite(settings))
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def test_creates_gzip_file(self):
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# A file matching the input filename with a .gz extension is created.
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# The plugin walks over the output content after the finalized signal
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# so it is safe to assume that the file exists (otherwise walk would
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# not report it). Therefore, create a dummy file to use.
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with temporary_folder() as tempdir:
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_, a_html_filename = tempfile.mkstemp(suffix='.html', dir=tempdir)
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gzip_cache.create_gzip_file(a_html_filename, False)
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self.assertTrue(os.path.exists(a_html_filename + '.gz'))
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def test_creates_same_gzip_file(self):
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# Should create the same gzip file from the same contents.
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# gzip will create a slightly different file because it includes
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# a timestamp in the compressed file by default. This can cause
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# problems for some caching strategies.
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with temporary_folder() as tempdir:
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_, a_html_filename = tempfile.mkstemp(suffix='.html', dir=tempdir)
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a_gz_filename = a_html_filename + '.gz'
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gzip_cache.create_gzip_file(a_html_filename, False)
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gzip_hash = get_md5(a_gz_filename)
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time.sleep(1)
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gzip_cache.create_gzip_file(a_html_filename, False)
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self.assertEqual(gzip_hash, get_md5(a_gz_filename))
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def test_overwrites_gzip_file(self):
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# A file matching the input filename with a .gz extension is not created.
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# The plugin walks over the output content after the finalized signal
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# so it is safe to assume that the file exists (otherwise walk would
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# not report it). Therefore, create a dummy file to use.
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with temporary_folder() as tempdir:
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_, a_html_filename = tempfile.mkstemp(suffix='.html', dir=tempdir)
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gzip_cache.create_gzip_file(a_html_filename, True)
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self.assertFalse(os.path.exists(a_html_filename + '.gz'))
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def get_md5(filepath):
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with open(filepath, 'rb') as fh:
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return md5(fh.read()).hexdigest()
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