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Add some changed_event tests.

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Charles Haley 2021-09-14 13:03:00 +01:00
parent d45540686d
commit 4aed65f7a7
1 changed files with 63 additions and 0 deletions
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63
src/calibre/db/tests/writing.py
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@ -837,3 +837,66 @@ class WritingTest(BaseTest):
self.assertEqual([x[0] for x in annot_list], map_as_list(amap)) self.assertEqual([x[0] for x in annot_list], map_as_list(amap))
# }}} # }}}
def test_changed_events(self): # {{{
def ae(l, r):
# We need to sleep a bit to allow events to happen on its thread
import time
time.sleep(.001)
self.assertEqual(l, r)
cache = self.init_cache(self.cloned_library)
ae(cache.all_book_ids(), {1, 2, 3})
event_set = set()
def event_func(t, library_id, *args):
nonlocal event_set, ae
event_set.update(args[0][1])
cache.add_listener(event_func)
# Test that setting metadata to itself doesn't generate any events
for id_ in cache.all_book_ids():
cache.set_metadata(id_, cache.get_metadata(id_))
ae(event_set, set())
# test setting a single field
cache.set_field('tags', {1:'foo'})
ae(event_set, {1})
# test setting multiple books. Book 1 shouldn't get an event because it
# isn't being changed
event_set = set()
cache.set_field('tags', {1:'foo', 2:'bar', 3:'mumble'})
ae(event_set, {2, 3})
# test setting title
event_set = set()
cache.set_field('title', {1:'Book 1'})
ae(event_set, {1})
ae(cache.field_for('title', 1), 'Book 1')
# test setting series
event_set = set()
cache.set_field('series', {1:'GreatBooks [1]'})
cache.set_field('series', {2:'GreatBooks [0]'})
ae(event_set, {1,2})
ae(cache.field_for('series', 1), 'GreatBooks')
ae(cache.field_for('series_index', 1), 1.0)
ae(cache.field_for('series', 2), 'GreatBooks')
ae(cache.field_for('series_index', 2), 0.0)
# now series_index
event_set = set()
cache.set_field('series_index', {1:2})
ae(event_set, {1})
ae(cache.field_for('series_index', 1), 2.0)
event_set = set()
cache.set_field('series_index', {1:2, 2:3.5}) # book 1 isn't changed
ae(event_set, {2})
ae(cache.field_for('series_index', 1), 2.0)
ae(cache.field_for('series_index', 2), 3.5)
# }}}