+import collections.abc
+
+import pytest
+
+import notmuch2._database as dbmod
+
+import notmuch2._config as config
+
+
+class TestIter:
+
+ @pytest.fixture
+ def db(self, maildir):
+ with dbmod.Database.create(maildir.path) as db:
+ yield db
+
+ def test_type(self, db):
+ assert isinstance(db.config, collections.abc.MutableMapping)
+ assert isinstance(db.config, config.ConfigMapping)
+
+ def test_alive(self, db):
+ assert db.config.alive
+
+ def test_set_get(self, maildir):
+ # Ensure get-set works from different db objects
+ with dbmod.Database.create(maildir.path) as db0:
+ db0.config['spam'] = 'ham'
+ with dbmod.Database(maildir.path) as db1:
+ assert db1.config['spam'] == 'ham'
+
+ def test_get_keyerror(self, db):
+ with pytest.raises(KeyError):
+ val = db.config['not-a-key']
+ print(repr(val))
+
+ def test_iter(self, db):
+ assert list(db.config) == []
+ db.config['spam'] = 'ham'
+ db.config['eggs'] = 'bacon'
+ assert set(db.config) == {'spam', 'eggs'}
+ assert set(db.config.keys()) == {'spam', 'eggs'}
+ assert set(db.config.values()) == {'ham', 'bacon'}
+ assert set(db.config.items()) == {('spam', 'ham'), ('eggs', 'bacon')}
+
+ def test_len(self, db):
+ assert len(db.config) == 0
+ db.config['spam'] = 'ham'
+ assert len(db.config) == 1
+ db.config['eggs'] = 'bacon'
+ assert len(db.config) == 2
+
+ def test_del(self, db):
+ db.config['spam'] = 'ham'
+ assert db.config.get('spam') == 'ham'
+ del db.config['spam']
+ assert db.config.get('spam') is None