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#!/usr/bin/env python
# sugar-lint: disable
import os
import time
import json
import shutil
from cStringIO import StringIO
from os.path import exists
from __init__ import tests
from sugar_network import db
from sugar_network.model.context import Context
from sugar_network.model.implementation import Implementation
from sugar_network.client import cache_limit, cache_limit_percent, cache_lifetime, IPCConnection
from sugar_network.client.cache import Cache
from sugar_network.toolkit import http
class CacheTest(tests.Test):
def setUp(self):
tests.Test.setUp(self)
class statvfs(object):
f_blocks = 100
f_bfree = 100
f_frsize = 1
self.statvfs = statvfs
self.override(os, 'statvfs', lambda *args: statvfs())
def test_open(self):
volume = db.Volume('db', [Context, Implementation])
volume['implementation'].create({
'guid': '1',
'context': 'context',
'license': ['GPL'],
'version': '1',
'stability': 'stable',
'data': {'blob_size': 1},
})
os.utime('db/implementation/1/1', (1, 1))
volume['implementation'].create({
'guid': '5',
'context': 'context',
'license': ['GPL'],
'version': '5',
'stability': 'stable',
'data': {'blob_size': 5},
})
os.utime('db/implementation/5/5', (5, 5))
volume['implementation'].create({
'guid': '2',
'context': 'context',
'license': ['GPL'],
'version': '2',
'stability': 'stable',
'data': {},
})
os.utime('db/implementation/2/2', (2, 2))
volume['implementation'].create({
'guid': '3',
'context': 'context',
'license': ['GPL'],
'version': '3',
'stability': 'stable',
})
os.utime('db/implementation/3/3', (3, 3))
volume['implementation'].create({
'guid': '4',
'context': 'context',
'license': ['GPL'],
'version': '4',
'stability': 'stable',
'data': {'blob_size': 4, 'unpack_size': 44},
})
os.utime('db/implementation/4/4', (4, 4))
cache = Cache(volume)
self.assertEqual(['5', '4', '1'], [i for i in cache])
def test_open_IgnoreClones(self):
volume = db.Volume('db', [Context, Implementation])
volume['context'].create({
'guid': 'context',
'type': 'activity',
'title': 'title',
'summary': 'summary',
'description': 'description',
})
volume['implementation'].create({
'guid': 'impl',
'context': 'context',
'license': ['GPL'],
'version': '1',
'stability': 'stable',
'data': {'blob_size': 1},
})
cache = Cache(volume)
self.assertEqual(['impl'], [i for i in cache])
os.symlink('../../../implementation/im/impl', 'db/context/co/context/.clone')
cache = Cache(volume)
self.assertEqual([], [i for i in cache])
def test_ensure_AfterOpen(self):
volume = db.Volume('db', [Context, Implementation])
volume['implementation'].create({'data': {'blob_size': 1}, 'guid': '1', 'context': 'context', 'version': '1', 'license': ['GPL'], 'stability': 'stable'})
os.utime('db/implementation/1/1', (1, 1))
volume['implementation'].create({'data': {'blob_size': 2}, 'guid': '2', 'context': 'context', 'version': '1', 'license': ['GPL'], 'stability': 'stable'})
os.utime('db/implementation/2/2', (2, 2))
volume['implementation'].create({'data': {'blob_size': 3}, 'guid': '3', 'context': 'context', 'version': '1', 'license': ['GPL'], 'stability': 'stable'})
os.utime('db/implementation/3/3', (3, 3))
cache = Cache(volume)
cache_limit.value = 10
self.statvfs.f_bfree = 11
self.assertRaises(RuntimeError, cache.ensure, 100, 0)
assert volume['implementation'].exists('1')
assert volume['implementation'].exists('2')
assert volume['implementation'].exists('3')
cache.ensure(1, 0)
assert volume['implementation'].exists('1')
assert volume['implementation'].exists('2')
assert volume['implementation'].exists('3')
cache.ensure(2, 0)
assert not volume['implementation'].exists('1')
assert volume['implementation'].exists('2')
assert volume['implementation'].exists('3')
cache.ensure(4, 0)
assert not volume['implementation'].exists('2')
assert not volume['implementation'].exists('3')
self.assertRaises(RuntimeError, cache.ensure, 2, 0)
def test_ensure_Live(self):
volume = db.Volume('db', [Context, Implementation])
cache = Cache(volume)
# To initiate the cache
cache.ensure(0, 0)
volume['implementation'].create({'data': {'blob_size': 1}, 'guid': '1', 'context': 'context', 'version': '1', 'license': ['GPL'], 'stability': 'stable'})
cache.checkin('1', 1)
cache_limit.value = 10
self.statvfs.f_bfree = 10
cache.ensure(1, 0)
assert not volume['implementation'].exists('1')
self.assertRaises(RuntimeError, cache.ensure, 1, 0)
def test_ensure_ConsiderTmpSize(self):
volume = db.Volume('db', [Context, Implementation])
volume['implementation'].create({'data': {'blob_size': 1}, 'guid': '1', 'context': 'context', 'version': '1', 'license': ['GPL'], 'stability': 'stable'})
cache = Cache(volume)
cache_limit.value = 10
self.statvfs.f_bfree = 10
self.assertRaises(RuntimeError, cache.ensure, 1, 11)
assert volume['implementation'].exists('1')
cache.ensure(1, 10)
assert not volume['implementation'].exists('1')
def test_recycle(self):
ts = time.time()
volume = db.Volume('db', [Context, Implementation])
volume['implementation'].create({'data': {'blob_size': 1}, 'guid': '1', 'context': 'context', 'version': '1', 'license': ['GPL'], 'stability': 'stable'})
os.utime('db/implementation/1/1', (ts - 1.5 * 86400, ts - 1.5 * 86400))
volume['implementation'].create({'data': {'blob_size': 1}, 'guid': '2', 'context': 'context', 'version': '1', 'license': ['GPL'], 'stability': 'stable'})
os.utime('db/implementation/2/2', (ts - 2.5 * 86400, ts - 2.5 * 86400))
volume['implementation'].create({'data': {'blob_size': 1}, 'guid': '3', 'context': 'context', 'version': '1', 'license': ['GPL'], 'stability': 'stable'})
os.utime('db/implementation/3/3', (ts - 3.5 * 86400, ts - 3.5 * 86400))
cache = Cache(volume)
cache_lifetime.value = 4
cache.recycle()
assert volume['implementation'].exists('1')
assert volume['implementation'].exists('2')
assert volume['implementation'].exists('3')
cache_lifetime.value = 3
cache.recycle()
assert volume['implementation'].exists('1')
assert volume['implementation'].exists('2')
assert not volume['implementation'].exists('3')
cache_lifetime.value = 1
cache.recycle()
assert not volume['implementation'].exists('1')
assert not volume['implementation'].exists('2')
assert not volume['implementation'].exists('3')
cache.recycle()
def test_checkin(self):
volume = db.Volume('db', [Context, Implementation])
cache = Cache(volume)
volume['implementation'].create({'guid': '1', 'context': 'context', 'version': '1', 'license': ['GPL'], 'stability': 'stable'})
volume['implementation'].create({'guid': '2', 'context': 'context', 'version': '1', 'license': ['GPL'], 'stability': 'stable'})
volume['implementation'].create({'guid': '3', 'context': 'context', 'version': '1', 'license': ['GPL'], 'stability': 'stable'})
cache.checkin('1', 1)
self.assertEqual(['1'], [i for i in cache])
self.assertEqual(1, cache.du)
cache.checkin('2', 2)
self.assertEqual(['2', '1'], [i for i in cache])
self.assertEqual(3, cache.du)
cache.checkin('3', 3)
self.assertEqual(['3', '2', '1'], [i for i in cache])
self.assertEqual(6, cache.du)
def test_checkout(self):
local_volume = self.start_online_client()
conn = IPCConnection()
self.statvfs.f_blocks = 0
impl1 = conn.upload(['implementation'], StringIO(self.zips(['TestActivity/activity/activity.info', [
'[Activity]',
'name = TestActivity',
'bundle_id = context',
'exec = true',
'icon = icon',
'activity_version = 1',
'license = Public Domain',
'stability = stable',
]])), cmd='submit', initial=True)
conn.put(['context', 'context'], True, cmd='clone')
self.assertEqual([], [i for i in self.client_routes._cache])
assert local_volume['implementation'].exists(impl1)
conn.put(['context', 'context'], False, cmd='clone')
self.assertEqual([impl1], [i for i in self.client_routes._cache])
assert local_volume['implementation'].exists(impl1)
impl2 = conn.upload(['implementation'], StringIO(self.zips(['TestActivity/activity/activity.info', [
'[Activity]',
'name = TestActivity',
'bundle_id = context',
'exec = true',
'icon = icon',
'activity_version = 2',
'license = Public Domain',
'stability = stable',
]])), cmd='submit', initial=True)
shutil.rmtree('solutions')
conn.put(['context', 'context'], True, cmd='clone')
self.assertEqual([impl1], [i for i in self.client_routes._cache])
assert local_volume['implementation'].exists(impl1)
assert local_volume['implementation'].exists(impl2)
conn.put(['context', 'context'], False, cmd='clone')
self.assertEqual([impl2, impl1], [i for i in self.client_routes._cache])
assert local_volume['implementation'].exists(impl1)
assert local_volume['implementation'].exists(impl2)
def test_Acquiring(self):
volume = db.Volume('db', [Context, Implementation])
cache = Cache(volume)
volume['implementation'].create({'guid': '1', 'context': 'context', 'version': '1', 'license': ['GPL'], 'stability': 'stable'})
volume['implementation'].create({'guid': '2', 'context': 'context', 'version': '1', 'license': ['GPL'], 'stability': 'stable'})
volume['implementation'].create({'guid': '3', 'context': 'context', 'version': '1', 'license': ['GPL'], 'stability': 'stable'})
cache.checkin('1', 1)
self.assertEqual(['1'], [i for i in cache])
self.assertEqual(1, cache.du)
cache.acquire('1', 2)
self.assertEqual([], [i for i in cache])
self.assertEqual(0, cache.du)
cache.acquire('1', 3)
self.assertEqual([], [i for i in cache])
self.assertEqual(0, cache.du)
cache.acquire('2', 1)
self.assertEqual([], [i for i in cache])
self.assertEqual(0, cache.du)
cache.acquire('2', 2)
self.assertEqual([], [i for i in cache])
self.assertEqual(0, cache.du)
cache.acquire('2', 3)
self.assertEqual([], [i for i in cache])
self.assertEqual(0, cache.du)
cache.release('1', '2')
self.assertEqual([], [i for i in cache])
self.assertEqual(0, cache.du)
cache.release('1', '2')
self.assertEqual(['1'], [i for i in cache])
self.assertEqual(2, cache.du)
cache.release('2')
self.assertEqual(['2', '1'], [i for i in cache])
self.assertEqual(3, cache.du)
cache.release('1', '2')
self.assertEqual(['2', '1'], [i for i in cache])
self.assertEqual(3, cache.du)
if __name__ == '__main__':
tests.main()
|
