resync/tests/test_change_list.py
2017-08-30 13:11:19 -04:00

149 lines
6.8 KiB
Python

import unittest
try: # python2
# Must try this first as io also exists in python2
# but in the wrong one!
import StringIO as io
except ImportError: # python3
import io
import re
from resync.resource import Resource
from resync.change_list import ChangeList, ChangeTypeError
from resync.resource_list import ResourceList
from resync.sitemap import SitemapParseError
class TestChangeList(unittest.TestCase):
def test01_add_if_changed(self):
cl = ChangeList()
cl.add_if_changed(Resource('a', timestamp=1, change='updated'))
self.assertEqual(len(cl), 1)
self.assertRaises(ChangeTypeError, cl.add_if_changed,
Resource('c', timestamp=3))
def test02_set_with_repeats(self):
cl = ChangeList()
cl.add(Resource('a', timestamp=1, change='updated'))
cl.add(Resource('b', timestamp=1, change='created'))
cl.add(Resource('c', timestamp=1, change='deleted'))
cl.add(Resource('a', timestamp=2, change='deleted'))
cl.add(Resource('b', timestamp=2, change='updated'))
self.assertEqual(len(cl), 5, "5 changes in change_list")
def test03_with_repeats_again(self):
r1 = Resource(uri='a', length=1, change='created')
r2 = Resource(uri='b', length=2, change='created')
i = ChangeList()
i.add(r1)
i.add(r2)
self.assertEqual(len(i), 2)
# Can add another Resource with same URI
r1d = Resource(uri='a', length=10, change='created')
i.add(r1d)
self.assertEqual(len(i), 3)
def test04_change_list(self):
cl = ChangeList()
cl.add(Resource('a', timestamp=1, change='created'))
cl.add(Resource('b', timestamp=2, change='created'))
cl.add(Resource('c', timestamp=3, change='created'))
cl.add(Resource('d', timestamp=4, change='created'))
cl.add(Resource('e', timestamp=5, change='created'))
self.assertEqual(len(cl), 5, "5 things in src")
def test05_iter(self):
i = ChangeList()
i.add(Resource('a', timestamp=1, change='created'))
i.add(Resource('b', timestamp=2, change='created'))
i.add(Resource('c', timestamp=3, change='created'))
i.add(Resource('d', timestamp=4, change='created'))
resources = []
for r in i:
resources.append(r)
self.assertEqual(len(resources), 4)
self.assertEqual(resources[0].uri, 'a')
self.assertEqual(resources[3].uri, 'd')
def test06_add_changed_resources(self):
added = ResourceList()
added.add(Resource('a', timestamp=1, change='created'))
added.add(Resource('d', timestamp=4, change='created'))
self.assertEqual(len(added), 2, "2 things in added resource_list")
changes = ChangeList()
changes.add_changed_resources(added, change='created')
self.assertEqual(len(changes), 2, "2 things added")
i = iter(changes)
first = next(i)
self.assertEqual(first.uri, 'a', "changes[0].uri=a")
self.assertEqual(first.timestamp, 1, "changes[0].timestamp=1")
# , "changes[0].change=createdd")
self.assertEqual(first.change, 'created')
second = next(i)
self.assertEqual(second.timestamp, 4, "changes[1].timestamp=4")
self.assertEqual(second.change, 'created',
"changes[1].change=createdd")
# Now add some with updated (one same, one diff)
updated = ResourceList()
updated.add(Resource('a', timestamp=5, change='created'))
updated.add(Resource('b', timestamp=6, change='created'))
self.assertEqual(len(updated), 2, "2 things in updated resource_list")
changes.add_changed_resources(updated, change='updated')
self.assertEqual(len(changes), 4, "4 = 2 old + 2 things updated")
# Make new resource_list from the changes which should not have dupes
dst = ResourceList()
dst.add(changes, replace=True)
self.assertEqual(len(dst), 3, "3 unique resources")
# 5 was later in last the 1
self.assertEqual(dst.resources['a'].timestamp, 5)
self.assertEqual(dst.resources['a'].change, 'updated')
self.assertEqual(dst.resources['b'].timestamp, 6)
self.assertEqual(dst.resources['b'].change, 'updated')
self.assertEqual(dst.resources['d'].timestamp, 4)
self.assertEqual(dst.resources['d'].change, 'created')
def test07_as_xml(self):
cl = ChangeList()
cl.md_from = '1970-01-01T00:00:00Z'
cl.add(Resource('a', timestamp=1, change='updated'))
cl.add(Resource('b', timestamp=2, change='updated'))
xml = cl.as_xml()
self.assertTrue(
re.search(r'<rs:md .*capability="changelist"', xml), 'XML has capability')
self.assertTrue(re.search(r'<rs:md .*from="\d\d\d\d\-\d\d\-\d\dT\d\d:\d\d:\d\dZ"',
xml), 'XML has from to seconds precision (and not more)')
self.assertTrue(re.search(
r'<url><loc>a</loc><lastmod>1970-01-01T00:00:01Z</lastmod>', xml), 'XML has resource a')
def test08_parse(self):
xml = '<?xml version=\'1.0\' encoding=\'UTF-8\'?>\n\
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:rs="http://www.openarchives.org/rs/terms/">\
<rs:md capability="changelist" from="2013-01-01"/>\
<url><loc>/tmp/rs_test/src/file_a</loc><lastmod>2012-03-14T18:37:36Z</lastmod><rs:md change="updated" length="12" /></url>\
<url><loc>/tmp/rs_test/src/file_b</loc><lastmod>2012-03-14T18:37:36Z</lastmod><rs:md change="deleted" length="32" /></url>\
</urlset>'
cl = ChangeList()
cl.parse(fh=io.StringIO(xml))
self.assertEqual(len(cl.resources), 2, 'got 2 resources')
self.assertEqual(cl.md['capability'], 'changelist', 'capability set')
self.assertEqual(cl.md['md_from'], '2013-01-01')
def test09_parse_no_capability(self):
# missing capability is an error for changelist
xml = '<?xml version=\'1.0\' encoding=\'UTF-8\'?>\n\
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:rs="http://www.openarchives.org/rs/terms/">\
<url><loc>http://example.com/res1</loc><lastmod>2012-03-14T18:37:36Z</lastmod><rs:md change="updated"/></url>\
</urlset>'
cl = ChangeList()
self.assertRaises(SitemapParseError, cl.parse, fh=io.StringIO(xml))
def test10_parse_bad_capability(self):
# the <rs:md capability="bad_capability".. should give error
xml = '<?xml version=\'1.0\' encoding=\'UTF-8\'?>\n\
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:rs="http://www.openarchives.org/rs/terms/">\
<rs:md capability="bad_capability" from="2013-01-01"/>\
<url><loc>http://example.com/bad_res_1</loc><lastmod>2012-03-14T18:37:36Z</lastmod><rs:md change="updated"/></url>\
</urlset>'
cl = ChangeList()
self.assertRaises(SitemapParseError, cl.parse, fh=io.StringIO(xml))