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Improved tests for link maps. Includes a fix for a problem the test found.

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This commit is contained in:
Charles Haley 2023-03-26 11:25:01 +01:00
parent d95d7f4048
commit 26d88d1d65
2 changed files with 23 additions and 5 deletions
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3
src/calibre/db/cache.py
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@ -2405,6 +2405,9 @@ class Cache:
table = self.fields[field].table
if not hasattr(table, 'link_map'):
raise ValueError(f"Lookup name {field} doesn't have a link map")
# Clear the links for book cache as we don't know what will be affected
self.link_maps_cache = {}
fids = {k: self.get_item_id(field, k) for k in value_to_link_map.keys()}
id_to_link_map = {fid:value_to_link_map[k] for k, fid in fids.items() if fid is not None}
result_map = table.set_links(id_to_link_map, self.backend)

25
src/calibre/db/tests/writing.py
View File

@ -922,11 +922,13 @@ class WritingTest(BaseTest):
def test_link_maps(self):
cache = self.init_cache()
# Add two tags
cache.set_field('tags', {1:'foo'})
self.assertEqual(('foo',), cache.field_for('tags', 1), 'Setting tag foo failed')
cache.set_field('tags', {1:'foo, bar'})
self.assertEqual(('foo', 'bar'), cache.field_for('tags', 1), 'Adding second tag failed')
# Check adding a link
links = cache.get_link_map('tags')
self.assertDictEqual(links, {}, 'Initial tags link dict is not empty')
links['foo'] = 'url'
@ -934,13 +936,26 @@ class WritingTest(BaseTest):
links2 = cache.get_link_map('tags')
self.assertDictEqual(links2, links, 'tags link dict mismatch')
# Check getting links for a book and that links are correct
cache.set_field('publisher', {1:'random'})
cache.set_link_map('publisher', {'random': 'url2'})
links = cache.get_all_link_maps_for_book(1)
self.assert_('foo' in links['tags'], 'foo not there')
self.assert_('bar' not in links['tags'], 'bar is there')
self.assert_('random' in links['publisher'], 'random is not there')
self.assertSetEqual({'tags', 'publisher'}, set(links.keys()), 'Link map has extra stuff')
self.assertSetEqual({v for v in links.keys()}, {'tags', 'publisher'}, 'Wrong link keys')
self.assertSetEqual({v for v in links['tags'].keys()}, {'foo', }, 'Should be "foo"')
self.assertSetEqual({v for v in links['publisher'].keys()}, {'random', }, 'Should be "random"')
self.assertEqual('url', links['tags']['foo'], 'link for tag foo is wrong')
self.assertEqual('url2', links['publisher']['random'], 'link for publisher random is wrong')
# Now test deleting the links.
links = cache.get_link_map('tags')
to_del = {l:'' for l in links.keys()}
cache.set_link_map('tags', to_del)
self.assertEqual({}, cache.get_link_map('tags'), 'links on tags were not deleted')
links = cache.get_link_map('publisher')
to_del = {l:'' for l in links.keys()}
cache.set_link_map('publisher', to_del)
self.assertEqual({}, cache.get_link_map('publisher'), 'links on publisher were not deleted')
self.assertEqual({}, cache.get_all_link_maps_for_book(1), 'Not all links for book were deleted')
# }}}