class DDFSReadTestCase(DiscoTestCase):
def setUp(self):
self.ddfs = DDFS(self.disco_master_url)
self.ddfs.push('disco:test:blobs', [(StringIO('datablob'), 'blobdata')])
self.ddfs.push('disco:test:blobs', [(StringIO('datablob2'), 'blobdata2')])
self.ddfs.push('disco:test:emptyblob', [(StringIO(''), 'empty')])
self.ddfs.tag('disco:test:tag', [['urls']])
self.ddfs.tag('disco:test:metatag',
[['tag://disco:test:tag'], ['tag://disco:test:metatag']])
def test_blobs(self):
from os.path import basename
blobs = list(self.ddfs.blobs('disco:test:blobs'))
self.assert_(basename(blobs[0][0]).startswith('blobdata'))
self.assertCommErrorCode(404,
lambda: list(self.ddfs.blobs('disco:test:notag',
ignore_missing=False)))
self.assertEquals(list(self.ddfs.blobs('disco:test:notag')), [])
def test_pull(self):
self.assertEquals([(self.ddfs.blob_name(url), fd.read())
for fd, sze, url in self.ddfs.pull('disco:test:blobs')],
[('blobdata2', 'datablob2'), ('blobdata', 'datablob')])
self.assertEquals([(self.ddfs.blob_name(url), fd.read())
for fd, sze, url in self.ddfs.pull('disco:test:blobs',
blobfilter=lambda b: '2' in b)],
[('blobdata2', 'datablob2')])
self.assertEquals([(sze, fd.read()) for fd, sze, url in
self.ddfs.pull('disco:test:emptyblob')], [(0, '')])
self.assertCommErrorCode(404, self.ddfs.pull('disco:test:notag').next)
def test_exists(self):
self.assertEquals(self.ddfs.exists('disco:test:tag'), True)
self.assertEquals(self.ddfs.exists('disco:test:notag'), False)
self.assertEquals(self.ddfs.exists('tag://disco:test:tag'), True)
self.assertEquals(self.ddfs.exists('tag://disco:test:notag'), False)
def test_findtags(self):
list(self.ddfs.findtags(['disco:test:metatag']))
def test_get(self):
self.assertCommErrorCode(404, lambda: self.ddfs.get('disco:test:notag'))
self.assertEquals(self.ddfs.get('disco:test:tag')['urls'], [['urls']])
self.assertEquals(self.ddfs.get(['disco:test:tag'])['urls'], [['urls']])
def test_list(self):
self.assert_('disco:test:tag' in self.ddfs.list())
self.assert_('disco:test:tag' in self.ddfs.list('disco:test'))
self.assertEquals(self.ddfs.list('disco:test:notag'), [])
def test_walk(self):
list(self.ddfs.walk('disco:test:tag'))
def tearDown(self):
self.ddfs.delete('disco:test:blobs')
self.ddfs.delete('disco:test:emptyblob')
self.ddfs.delete('disco:test:tag')
self.ddfs.delete('disco:test:metatag')
class DDFSWriteTestCase(DiscoTestCase):
def setUp(self):
self.ddfs = DDFS(self.disco_master_url)
def test_chunk(self):
from disco.core import RecordIter
url = 'http://discoproject.org/media/text/chekhov.txt'
self.ddfs.chunk('disco:test:chunk', [url], chunk_size=100*1024)
self.assert_(0 < len(list(self.ddfs.blobs('disco:test:chunk'))) <= 4)
self.assert_(list(RecordIter(['tag://disco:test:chunk'])),
list(RecordIter([url], reader=None)))
self.ddfs.delete('disco:test:chunk')
def test_push(self):
self.ddfs.push('disco:test:blobs', [(StringIO('blobdata'), 'blobdata')])
self.assert_(self.ddfs.exists('disco:test:blobs'))
self.ddfs.push('tag://disco:test:blobs2', [(StringIO('blobdata'), 'blobdata')])
self.assert_(self.ddfs.exists('disco:test:blobs2'))
self.ddfs.delete('disco:test:blobs')
self.assert_(not self.ddfs.exists('disco:test:blobs'))
self.ddfs.delete('disco:test:blobs2')
self.assert_(not self.ddfs.exists('disco:test:blobs2'))
def test_tag(self):
self.ddfs.tag('disco:test:tag', [['urls']])
self.assert_(self.ddfs.exists('disco:test:tag'))
self.ddfs.delete('disco:test:tag')
self.assert_(not self.ddfs.exists('disco:test:tag'))
self.ddfs.tag('tag://disco:test:tag', [['urls']])
self.assert_(self.ddfs.exists('tag://disco:test:tag'))
self.ddfs.tag('disco:test:tag', [['more_urls']])
self.assertEquals(sorted(self.ddfs.get('disco:test:tag')['urls']),
sorted([['urls'], ['more_urls']]))
self.ddfs.delete('tag://disco:test:tag')
self.assert_(not self.ddfs.exists('tag://disco:test:tag'))
def test_put(self):
self.ddfs.put('disco:test:tag', [['urls']])
self.assert_(self.ddfs.exists('disco:test:tag'))
self.assertEquals(self.ddfs.get('disco:test:tag')['urls'], [['urls']])
self.ddfs.put('disco:test:tag', [['tags']])
self.assertEquals(self.ddfs.get('disco:test:tag')['urls'], [['tags']])
self.ddfs.delete('tag://disco:test:tag')
def test_delete(self):
self.ddfs.delete('disco:test:notag')
def tearDown(self):
self.ddfs.delete('disco:test:notag')
self.ddfs.delete('disco:test:tag')
self.ddfs.delete('disco:test:blobs')
self.ddfs.delete('disco:test:blobs2')
class DDFSWriteTestCase(DiscoTestCase):
def setUp(self):
self.ddfs = DDFS(self.disco_master_url)
def test_push(self):
from cStringIO import StringIO
self.ddfs.push('disco:test:blobs', [(StringIO('blobdata'), 'blobdata')])
self.assert_(self.ddfs.exists('disco:test:blobs'))
self.ddfs.push('tag://disco:test:blobs2', [(StringIO('blobdata'), 'blobdata')])
self.assert_(self.ddfs.exists('disco:test:blobs2'))
self.ddfs.delete('disco:test:blobs')
self.assert_(not self.ddfs.exists('disco:test:blobs'))
self.ddfs.delete('disco:test:blobs2')
self.assert_(not self.ddfs.exists('disco:test:blobs2'))
def test_tag(self):
self.ddfs.tag('disco:test:tag', [['urls']])
self.assert_(self.ddfs.exists('disco:test:tag'))
self.ddfs.delete('disco:test:tag')
self.assert_(not self.ddfs.exists('disco:test:tag'))
self.ddfs.tag('tag://disco:test:tag', [['urls']])
self.assert_(self.ddfs.exists('tag://disco:test:tag'))
self.ddfs.tag('disco:test:tag', [['more_urls']])
self.assertEquals(sorted(self.ddfs.get('disco:test:tag')['urls']),
sorted([['urls'], ['more_urls']]))
self.ddfs.delete('tag://disco:test:tag')
self.assert_(not self.ddfs.exists('tag://disco:test:tag'))
def test_put(self):
self.ddfs.put('disco:test:tag', [['urls']])
self.assert_(self.ddfs.exists('disco:test:tag'))
self.assertEquals(self.ddfs.get('disco:test:tag')['urls'], [['urls']])
self.ddfs.put('disco:test:tag', [['tags']])
self.assertEquals(self.ddfs.get('disco:test:tag')['urls'], [['tags']])
self.ddfs.delete('tag://disco:test:tag')
def test_delete(self):
self.ddfs.delete('disco:test:notag')
class DdfsGcTests(TestCase):
def setUp(self):
self.d = DDFS()
wait_for_gc_to_finish(self.d)
with open(FILE, 'w') as f:
print >>f, "hello world!"
def _test_push(self, prefix, func):
for i in range(COUNT):
func(prefix + str(i), [FILE])
self.d._download(self.d.master + "/ddfs/ctrl/gc_start")
wait_for_gc_to_finish(self.d)
for i in range(COUNT):
blobs = [b for b in self.d.blobs(prefix + str(i))]
self.assertEquals(len(blobs), 1)
self.assertGreater(len(blobs[0]), 0)
def test_push_deterministic(self):
self._test_push(PREFIX + str(uuid1()), self.d.push)
def test_push_same_tag(self):
self._test_push(PREFIX, self.d.push)
def test_chunk_deterministic(self):
self._test_push(PREFIX + str(uuid1()), self.d.chunk)
def test_chunk_same_tag(self):
self._test_push(PREFIX, self.d.chunk)
def test_chunk_delayed(self):
self._test_push(PREFIX, partial(self.d.chunk, delayed=True))
def test_push_delayed(self):
self._test_push(PREFIX, partial(self.d.push, delayed=True))
def test_chunk_none_replicas(self):
self._test_push(PREFIX, partial(self.d.chunk, replicas=None))
def _test_func_tag(self, prefix, func):
def chunk_tag(name, input):
_, blob_set = func(name, input)
self.d.tag(name + "tag", blob_set)
self._test_push(PREFIX, chunk_tag)
for i in range(COUNT):
blobs = [b for b in self.d.blobs(prefix + str(i) + "tag")]
self.assertEquals(len(blobs), 1)
self.assertGreater(len(blobs[0]), 0)
def test_chunk_tag(self):
self._test_func_tag(PREFIX, self.d.chunk)
def test_chunk_tag_delayed(self):
self._test_func_tag(PREFIX, partial(self.d.chunk, delayed=True))
def test_push_tag(self):
self._test_func_tag(PREFIX, self.d.push)
def test_push_tag_delayed(self):
self._test_func_tag(PREFIX, partial(self.d.push, delayed=True))
def tearDown(self):
tags = self.d.list(PREFIX)
for tag in tags:
self.d.delete(tag)
class DdfsGcTests(TestCase):
def setUp(self):
self.d = DDFS()
wait_for_gc_to_finish(self.d)
with open(FILE, 'w') as f:
print >> f, "hello world!"
def _test_push(self, prefix, func):
for i in range(COUNT):
func(prefix + str(i), [FILE])
self.d._download(self.d.master + "/ddfs/ctrl/gc_start")
wait_for_gc_to_finish(self.d)
for i in range(COUNT):
blobs = [b for b in self.d.blobs(prefix + str(i))]
self.assertEquals(len(blobs), 1)
self.assertGreater(len(blobs[0]), 0)
def test_push_deterministic(self):
self._test_push(PREFIX + str(uuid1()), self.d.push)
def test_push_same_tag(self):
self._test_push(PREFIX, self.d.push)
def test_chunk_deterministic(self):
self._test_push(PREFIX + str(uuid1()), self.d.chunk)
def test_chunk_same_tag(self):
self._test_push(PREFIX, self.d.chunk)
def test_chunk_delayed(self):
self._test_push(PREFIX, partial(self.d.chunk, delayed=True))
def test_push_delayed(self):
self._test_push(PREFIX, partial(self.d.push, delayed=True))
def test_chunk_none_replicas(self):
self._test_push(PREFIX, partial(self.d.chunk, replicas=None))
def _test_func_tag(self, prefix, func):
def chunk_tag(name, input):
_, blob_set = func(name, input)
self.d.tag(name + "tag", blob_set)
self._test_push(PREFIX, chunk_tag)
for i in range(COUNT):
blobs = [b for b in self.d.blobs(prefix + str(i) + "tag")]
self.assertEquals(len(blobs), 1)
self.assertGreater(len(blobs[0]), 0)
def test_chunk_tag(self):
self._test_func_tag(PREFIX, self.d.chunk)
def test_chunk_tag_delayed(self):
self._test_func_tag(PREFIX, partial(self.d.chunk, delayed=True))
def test_push_tag(self):
self._test_func_tag(PREFIX, self.d.push)
def test_push_tag_delayed(self):
self._test_func_tag(PREFIX, partial(self.d.push, delayed=True))
def tearDown(self):
tags = self.d.list(PREFIX)
for tag in tags:
self.d.delete(tag)
