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# Copyright (C) 2018 Lars Wirzenius
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import unittest
import muck
class MemoryStoreTests(unittest.TestCase):
def setUp(self):
self.ms = muck.MemoryStore()
self.meta1 = {
'id': 'id-1',
'rev': 'rev-1',
}
self.res1 = {
'foo': 'bar',
}
def test_is_initially_empty(self):
self.assertEqual(len(self.ms), 0)
self.assertEqual(self.ms.as_dict(), {})
self.assertFalse('foo' in self.ms)
def test_creates_resource(self):
chg = muck.CreateChange(meta=self.meta1, res=self.res1)
self.ms.change(chg)
rid = self.meta1['id']
self.assertEqual(len(self.ms), 1)
self.assertTrue(rid in self.ms)
self.assertEqual(self.ms[rid], (self.meta1, self.res1))
self.assertEqual(
self.ms.as_dict(),
{
rid: (self.meta1, self.res1),
})
def test_wont_create_resource_with_conflicting_id(self):
chg = muck.CreateChange(meta=self.meta1, res=self.res1)
self.ms.change(chg)
with self.assertRaises(muck.Error):
self.ms.change(chg)
def test_updates_resource(self):
meta2 = dict(self.meta1)
meta2['rev'] = 'rev-2'
res2 = dict(self.res1)
res2['foo'] = 'yo'
create = muck.CreateChange(meta=self.meta1, res=self.res1)
update = muck.UpdateChange(meta=meta2, res=res2)
rid = self.meta1['id']
self.ms.change(create)
self.ms.change(update)
self.assertEqual(len(self.ms), 1)
self.assertEqual(
self.ms.as_dict(),
{
rid: (meta2, res2),
})
def test_refuses_to_update_resource_that_didnt_exist(self):
update = muck.UpdateChange(meta=self.meta1, res=self.res1)
with self.assertRaises(muck.Error):
self.ms.change(update)
def test_deletes_resource(self):
create = muck.CreateChange(meta=self.meta1, res=self.res1)
delete = muck.DeleteChange(meta=self.meta1)
self.ms.change(create)
self.ms.change(delete)
self.assertEqual(len(self.ms), 0)
self.assertEqual(self.ms.as_dict(), {})
def test_refuses_to_delete_resource_that_doesnt_exist(self):
delete = muck.DeleteChange(meta=self.meta1)
with self.assertRaises(muck.Error):
self.ms.change(delete)
def test_finds_nothing_for_impossible_condition(self):
chg = muck.CreateChange(meta=self.meta1, res=self.res1)
self.ms.change(chg)
cond = [
{
'where': 'meta',
'field': 'id',
'pattern': 'does-not-exist',
'op': '==',
},
]
hits = self.ms.search(cond)
self.assertEqual(hits, [])
def test_finds_matching_resources_in_meta(self):
chg = muck.CreateChange(meta=self.meta1, res=self.res1)
self.ms.change(chg)
rid = self.meta1['id']
cond = [
{
'where': 'meta',
'field': 'id',
'pattern': rid,
'op': '==',
},
]
hits = self.ms.search(cond)
self.assertEqual(hits, [rid])
def test_finds_matching_resources_in_data(self):
chg = muck.CreateChange(meta=self.meta1, res=self.res1)
self.ms.change(chg)
rid = self.meta1['id']
cond = [
{
'where': 'data',
'field': 'foo',
'pattern': self.res1['foo'],
'op': '==',
},
]
hits = self.ms.search(cond)
self.assertEqual(hits, [rid])
def test_finds_matches_in_list(self):
self.res1['foo'] = ['bar', 'yo']
chg = muck.CreateChange(meta=self.meta1, res=self.res1)
self.ms.change(chg)
rid = self.meta1['id']
cond = [
{
'where': 'data',
'field': 'foo',
'pattern': 'yo',
'op': '==',
},
]
hits = self.ms.search(cond)
self.assertEqual(hits, [rid])
def test_finds_ge(self):
self.res1['foo'] = ['bar', 'yo']
chg = muck.CreateChange(meta=self.meta1, res=self.res1)
self.ms.change(chg)
rid = self.meta1['id']
cond = [
{
'where': 'data',
'field': 'foo',
'pattern': 'yo',
'op': '>=',
},
]
hits = self.ms.search(cond)
self.assertEqual(hits, [rid])
def test_finds_le(self):
self.res1['foo'] = ['bar', 'yo']
chg = muck.CreateChange(meta=self.meta1, res=self.res1)
self.ms.change(chg)
rid = self.meta1['id']
cond = [
{
'where': 'data',
'field': 'foo',
'pattern': 'bar',
'op': '<=',
},
]
hits = self.ms.search(cond)
self.assertEqual(hits, [rid])
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