Convert all of the asynchronous functions to use async and await

This commit is contained in:
Jean-Paul Calderone 2022-11-30 09:30:37 -05:00
parent 1acf8604ef
commit a11eeaf240

View File

@ -5,8 +5,8 @@ of data for an object.
from io import StringIO
import os
from typing import Optional
from twisted.internet import defer
from ..common import AsyncTestCase
from testtools.matchers import (
Equals,
@ -40,343 +40,269 @@ class Version(GridTestMixin, AsyncTestCase, testutil.ShouldFailMixin, \
self.small_data = b"test data" * 10 # 90 B; SDMF
def do_upload_mdmf(self, data=None):
async def do_upload_mdmf(self, data: Optional[bytes] = None) -> MutableFileNode:
if data is None:
data = self.data
d = self.nm.create_mutable_file(MutableData(data),
version=MDMF_VERSION)
def _then(n):
self.assertThat(n, IsInstance(MutableFileNode))
self.assertThat(n._protocol_version, Equals(MDMF_VERSION))
self.mdmf_node = n
return n
d.addCallback(_then)
return d
n = await self.nm.create_mutable_file(MutableData(data),
version=MDMF_VERSION)
self.assertThat(n, IsInstance(MutableFileNode))
self.assertThat(n._protocol_version, Equals(MDMF_VERSION))
self.mdmf_node = n
return n
def do_upload_sdmf(self, data=None):
async def do_upload_sdmf(self, data: Optional[bytes] = None) -> MutableFileNode:
if data is None:
data = self.small_data
d = self.nm.create_mutable_file(MutableData(data))
def _then(n):
self.assertThat(n, IsInstance(MutableFileNode))
self.assertThat(n._protocol_version, Equals(SDMF_VERSION))
self.sdmf_node = n
return n
d.addCallback(_then)
return d
n = await self.nm.create_mutable_file(MutableData(data))
self.assertThat(n, IsInstance(MutableFileNode))
self.assertThat(n._protocol_version, Equals(SDMF_VERSION))
self.sdmf_node = n
return n
def do_upload_empty_sdmf(self):
d = self.nm.create_mutable_file(MutableData(b""))
def _then(n):
self.assertThat(n, IsInstance(MutableFileNode))
self.sdmf_zero_length_node = n
self.assertThat(n._protocol_version, Equals(SDMF_VERSION))
return n
d.addCallback(_then)
return d
async def do_upload_empty_sdmf(self) -> MutableFileNode:
n = await self.nm.create_mutable_file(MutableData(b""))
self.assertThat(n, IsInstance(MutableFileNode))
self.sdmf_zero_length_node = n
self.assertThat(n._protocol_version, Equals(SDMF_VERSION))
return n
def do_upload(self):
d = self.do_upload_mdmf()
d.addCallback(lambda ign: self.do_upload_sdmf())
return d
async def do_upload(self) -> MutableFileNode:
await self.do_upload_mdmf()
return await self.do_upload_sdmf()
def test_debug(self):
d = self.do_upload_mdmf()
def _debug(n):
fso = debug.FindSharesOptions()
storage_index = base32.b2a(n.get_storage_index())
fso.si_s = str(storage_index, "utf-8") # command-line options are unicode on Python 3
fso.nodedirs = [os.path.dirname(abspath_expanduser_unicode(str(storedir)))
for (i,ss,storedir)
in self.iterate_servers()]
fso.stdout = StringIO()
fso.stderr = StringIO()
debug.find_shares(fso)
sharefiles = fso.stdout.getvalue().splitlines()
expected = self.nm.default_encoding_parameters["n"]
self.assertThat(sharefiles, HasLength(expected))
async def test_debug(self) -> None:
n = await self.do_upload_mdmf()
fso = debug.FindSharesOptions()
storage_index = base32.b2a(n.get_storage_index())
fso.si_s = str(storage_index, "utf-8") # command-line options are unicode on Python 3
fso.nodedirs = [os.path.dirname(abspath_expanduser_unicode(str(storedir)))
for (i,ss,storedir)
in self.iterate_servers()]
fso.stdout = StringIO()
fso.stderr = StringIO()
debug.find_shares(fso)
sharefiles = fso.stdout.getvalue().splitlines()
expected = self.nm.default_encoding_parameters["n"]
self.assertThat(sharefiles, HasLength(expected))
do = debug.DumpOptions()
do["filename"] = sharefiles[0]
do.stdout = StringIO()
debug.dump_share(do)
output = do.stdout.getvalue()
lines = set(output.splitlines())
self.assertTrue("Mutable slot found:" in lines, output)
self.assertTrue(" share_type: MDMF" in lines, output)
self.assertTrue(" num_extra_leases: 0" in lines, output)
self.assertTrue(" MDMF contents:" in lines, output)
self.assertTrue(" seqnum: 1" in lines, output)
self.assertTrue(" required_shares: 3" in lines, output)
self.assertTrue(" total_shares: 10" in lines, output)
self.assertTrue(" segsize: 131073" in lines, output)
self.assertTrue(" datalen: %d" % len(self.data) in lines, output)
vcap = str(n.get_verify_cap().to_string(), "utf-8")
self.assertTrue(" verify-cap: %s" % vcap in lines, output)
cso = debug.CatalogSharesOptions()
cso.nodedirs = fso.nodedirs
cso.stdout = StringIO()
cso.stderr = StringIO()
debug.catalog_shares(cso)
shares = cso.stdout.getvalue().splitlines()
oneshare = shares[0] # all shares should be MDMF
self.failIf(oneshare.startswith("UNKNOWN"), oneshare)
self.assertTrue(oneshare.startswith("MDMF"), oneshare)
fields = oneshare.split()
self.assertThat(fields[0], Equals("MDMF"))
self.assertThat(fields[1].encode("ascii"), Equals(storage_index))
self.assertThat(fields[2], Equals("3/10"))
self.assertThat(fields[3], Equals("%d" % len(self.data)))
self.assertTrue(fields[4].startswith("#1:"), fields[3])
# the rest of fields[4] is the roothash, which depends upon
# encryption salts and is not constant. fields[5] is the
# remaining time on the longest lease, which is timing dependent.
# The rest of the line is the quoted pathname to the share.
d.addCallback(_debug)
return d
do = debug.DumpOptions()
do["filename"] = sharefiles[0]
do.stdout = StringIO()
debug.dump_share(do)
output = do.stdout.getvalue()
lines = set(output.splitlines())
self.assertTrue("Mutable slot found:" in lines, output)
self.assertTrue(" share_type: MDMF" in lines, output)
self.assertTrue(" num_extra_leases: 0" in lines, output)
self.assertTrue(" MDMF contents:" in lines, output)
self.assertTrue(" seqnum: 1" in lines, output)
self.assertTrue(" required_shares: 3" in lines, output)
self.assertTrue(" total_shares: 10" in lines, output)
self.assertTrue(" segsize: 131073" in lines, output)
self.assertTrue(" datalen: %d" % len(self.data) in lines, output)
vcap = str(n.get_verify_cap().to_string(), "utf-8")
self.assertTrue(" verify-cap: %s" % vcap in lines, output)
cso = debug.CatalogSharesOptions()
cso.nodedirs = fso.nodedirs
cso.stdout = StringIO()
cso.stderr = StringIO()
debug.catalog_shares(cso)
shares = cso.stdout.getvalue().splitlines()
oneshare = shares[0] # all shares should be MDMF
self.failIf(oneshare.startswith("UNKNOWN"), oneshare)
self.assertTrue(oneshare.startswith("MDMF"), oneshare)
fields = oneshare.split()
self.assertThat(fields[0], Equals("MDMF"))
self.assertThat(fields[1].encode("ascii"), Equals(storage_index))
self.assertThat(fields[2], Equals("3/10"))
self.assertThat(fields[3], Equals("%d" % len(self.data)))
self.assertTrue(fields[4].startswith("#1:"), fields[3])
# the rest of fields[4] is the roothash, which depends upon
# encryption salts and is not constant. fields[5] is the
# remaining time on the longest lease, which is timing dependent.
# The rest of the line is the quoted pathname to the share.
async def test_get_sequence_number(self) -> None:
await self.do_upload()
bv = await self.mdmf_node.get_best_readable_version()
self.assertThat(bv.get_sequence_number(), Equals(1))
bv = await self.sdmf_node.get_best_readable_version()
self.assertThat(bv.get_sequence_number(), Equals(1))
def test_get_sequence_number(self):
d = self.do_upload()
d.addCallback(lambda ign: self.mdmf_node.get_best_readable_version())
d.addCallback(lambda bv:
self.assertThat(bv.get_sequence_number(), Equals(1)))
d.addCallback(lambda ignored:
self.sdmf_node.get_best_readable_version())
d.addCallback(lambda bv:
self.assertThat(bv.get_sequence_number(), Equals(1)))
# Now update. The sequence number in both cases should be 1 in
# both cases.
def _do_update(ignored):
new_data = MutableData(b"foo bar baz" * 100000)
new_small_data = MutableData(b"foo bar baz" * 10)
d1 = self.mdmf_node.overwrite(new_data)
d2 = self.sdmf_node.overwrite(new_small_data)
dl = gatherResults([d1, d2])
return dl
d.addCallback(_do_update)
d.addCallback(lambda ignored:
self.mdmf_node.get_best_readable_version())
d.addCallback(lambda bv:
self.assertThat(bv.get_sequence_number(), Equals(2)))
d.addCallback(lambda ignored:
self.sdmf_node.get_best_readable_version())
d.addCallback(lambda bv:
self.assertThat(bv.get_sequence_number(), Equals(2)))
return d
new_data = MutableData(b"foo bar baz" * 100000)
new_small_data = MutableData(b"foo bar baz" * 10)
d1 = self.mdmf_node.overwrite(new_data)
d2 = self.sdmf_node.overwrite(new_small_data)
await gatherResults([d1, d2])
bv = await self.mdmf_node.get_best_readable_version()
self.assertThat(bv.get_sequence_number(), Equals(2))
bv = await self.sdmf_node.get_best_readable_version()
self.assertThat(bv.get_sequence_number(), Equals(2))
def test_cap_after_upload(self):
async def test_cap_after_upload(self) -> None:
# If we create a new mutable file and upload things to it, and
# it's an MDMF file, we should get an MDMF cap back from that
# file and should be able to use that.
# That's essentially what MDMF node is, so just check that.
d = self.do_upload_mdmf()
def _then(ign):
mdmf_uri = self.mdmf_node.get_uri()
cap = uri.from_string(mdmf_uri)
self.assertTrue(isinstance(cap, uri.WriteableMDMFFileURI))
readonly_mdmf_uri = self.mdmf_node.get_readonly_uri()
cap = uri.from_string(readonly_mdmf_uri)
self.assertTrue(isinstance(cap, uri.ReadonlyMDMFFileURI))
d.addCallback(_then)
return d
await self.do_upload_mdmf()
mdmf_uri = self.mdmf_node.get_uri()
cap = uri.from_string(mdmf_uri)
self.assertTrue(isinstance(cap, uri.WriteableMDMFFileURI))
readonly_mdmf_uri = self.mdmf_node.get_readonly_uri()
cap = uri.from_string(readonly_mdmf_uri)
self.assertTrue(isinstance(cap, uri.ReadonlyMDMFFileURI))
def test_mutable_version(self):
async def test_mutable_version(self) -> None:
# assert that getting parameters from the IMutableVersion object
# gives us the same data as getting them from the filenode itself
d = self.do_upload()
d.addCallback(lambda ign: self.mdmf_node.get_best_mutable_version())
def _check_mdmf(bv):
n = self.mdmf_node
self.assertThat(bv.get_writekey(), Equals(n.get_writekey()))
self.assertThat(bv.get_storage_index(), Equals(n.get_storage_index()))
self.assertFalse(bv.is_readonly())
d.addCallback(_check_mdmf)
d.addCallback(lambda ign: self.sdmf_node.get_best_mutable_version())
def _check_sdmf(bv):
n = self.sdmf_node
self.assertThat(bv.get_writekey(), Equals(n.get_writekey()))
self.assertThat(bv.get_storage_index(), Equals(n.get_storage_index()))
self.assertFalse(bv.is_readonly())
d.addCallback(_check_sdmf)
return d
await self.do_upload()
bv = await self.mdmf_node.get_best_mutable_version()
n = self.mdmf_node
self.assertThat(bv.get_writekey(), Equals(n.get_writekey()))
self.assertThat(bv.get_storage_index(), Equals(n.get_storage_index()))
self.assertFalse(bv.is_readonly())
bv = await self.sdmf_node.get_best_mutable_version()
n = self.sdmf_node
self.assertThat(bv.get_writekey(), Equals(n.get_writekey()))
self.assertThat(bv.get_storage_index(), Equals(n.get_storage_index()))
self.assertFalse(bv.is_readonly())
def test_get_readonly_version(self):
d = self.do_upload()
d.addCallback(lambda ign: self.mdmf_node.get_best_readable_version())
d.addCallback(lambda bv: self.assertTrue(bv.is_readonly()))
async def test_get_readonly_version(self) -> None:
await self.do_upload()
bv = await self.mdmf_node.get_best_readable_version()
self.assertTrue(bv.is_readonly())
# Attempting to get a mutable version of a mutable file from a
# filenode initialized with a readcap should return a readonly
# version of that same node.
d.addCallback(lambda ign: self.mdmf_node.get_readonly())
d.addCallback(lambda ro: ro.get_best_mutable_version())
d.addCallback(lambda v: self.assertTrue(v.is_readonly()))
ro = self.mdmf_node.get_readonly()
v = await ro.get_best_mutable_version()
self.assertTrue(v.is_readonly())
d.addCallback(lambda ign: self.sdmf_node.get_best_readable_version())
d.addCallback(lambda bv: self.assertTrue(bv.is_readonly()))
bv = await self.sdmf_node.get_best_readable_version()
self.assertTrue(bv.is_readonly())
d.addCallback(lambda ign: self.sdmf_node.get_readonly())
d.addCallback(lambda ro: ro.get_best_mutable_version())
d.addCallback(lambda v: self.assertTrue(v.is_readonly()))
return d
ro = self.sdmf_node.get_readonly()
v = await ro.get_best_mutable_version()
self.assertTrue(v.is_readonly())
def test_toplevel_overwrite(self):
async def test_toplevel_overwrite(self) -> None:
new_data = MutableData(b"foo bar baz" * 100000)
new_small_data = MutableData(b"foo bar baz" * 10)
d = self.do_upload()
d.addCallback(lambda ign: self.mdmf_node.overwrite(new_data))
d.addCallback(lambda ignored:
self.mdmf_node.download_best_version())
d.addCallback(lambda data:
self.assertThat(data, Equals(b"foo bar baz" * 100000)))
d.addCallback(lambda ignored:
self.sdmf_node.overwrite(new_small_data))
d.addCallback(lambda ignored:
self.sdmf_node.download_best_version())
d.addCallback(lambda data:
self.assertThat(data, Equals(b"foo bar baz" * 10)))
return d
await self.do_upload()
await self.mdmf_node.overwrite(new_data)
data = await self.mdmf_node.download_best_version()
self.assertThat(data, Equals(b"foo bar baz" * 100000))
await self.sdmf_node.overwrite(new_small_data)
data = await self.sdmf_node.download_best_version()
self.assertThat(data, Equals(b"foo bar baz" * 10))
def test_toplevel_modify(self):
d = self.do_upload()
async def test_toplevel_modify(self) -> None:
await self.do_upload()
def modifier(old_contents, servermap, first_time):
return old_contents + b"modified"
d.addCallback(lambda ign: self.mdmf_node.modify(modifier))
d.addCallback(lambda ignored:
self.mdmf_node.download_best_version())
d.addCallback(lambda data:
self.assertThat(data, Contains(b"modified")))
d.addCallback(lambda ignored:
self.sdmf_node.modify(modifier))
d.addCallback(lambda ignored:
self.sdmf_node.download_best_version())
d.addCallback(lambda data:
self.assertThat(data, Contains(b"modified")))
return d
await self.mdmf_node.modify(modifier)
data = await self.mdmf_node.download_best_version()
self.assertThat(data, Contains(b"modified"))
await self.sdmf_node.modify(modifier)
data = await self.sdmf_node.download_best_version()
self.assertThat(data, Contains(b"modified"))
def test_version_modify(self):
async def test_version_modify(self) -> None:
# TODO: When we can publish multiple versions, alter this test
# to modify a version other than the best usable version, then
# test to see that the best recoverable version is that.
d = self.do_upload()
await self.do_upload()
def modifier(old_contents, servermap, first_time):
return old_contents + b"modified"
d.addCallback(lambda ign: self.mdmf_node.modify(modifier))
d.addCallback(lambda ignored:
self.mdmf_node.download_best_version())
d.addCallback(lambda data:
self.assertThat(data, Contains(b"modified")))
d.addCallback(lambda ignored:
self.sdmf_node.modify(modifier))
d.addCallback(lambda ignored:
self.sdmf_node.download_best_version())
d.addCallback(lambda data:
self.assertThat(data, Contains(b"modified")))
return d
await self.mdmf_node.modify(modifier)
data = await self.mdmf_node.download_best_version()
self.assertThat(data, Contains(b"modified"))
await self.sdmf_node.modify(modifier)
data = await self.sdmf_node.download_best_version()
self.assertThat(data, Contains(b"modified"))
def test_download_version(self):
d = self.publish_multiple()
async def test_download_version(self) -> None:
await self.publish_multiple()
# We want to have two recoverable versions on the grid.
d.addCallback(lambda res:
self._set_versions({0:0,2:0,4:0,6:0,8:0,
1:1,3:1,5:1,7:1,9:1}))
self._set_versions({0:0,2:0,4:0,6:0,8:0,
1:1,3:1,5:1,7:1,9:1})
# Now try to download each version. We should get the plaintext
# associated with that version.
d.addCallback(lambda ignored:
self._fn.get_servermap(mode=MODE_READ))
def _got_servermap(smap):
versions = smap.recoverable_versions()
assert len(versions) == 2
smap = await self._fn.get_servermap(mode=MODE_READ)
versions = smap.recoverable_versions()
assert len(versions) == 2
self.servermap = smap
self.version1, self.version2 = versions
assert self.version1 != self.version2
self.servermap = smap
self.version1, self.version2 = versions
assert self.version1 != self.version2
self.version1_seqnum = self.version1[0]
self.version2_seqnum = self.version2[0]
self.version1_index = self.version1_seqnum - 1
self.version2_index = self.version2_seqnum - 1
self.version1_seqnum = self.version1[0]
self.version2_seqnum = self.version2[0]
self.version1_index = self.version1_seqnum - 1
self.version2_index = self.version2_seqnum - 1
d.addCallback(_got_servermap)
d.addCallback(lambda ignored:
self._fn.download_version(self.servermap, self.version1))
d.addCallback(lambda results:
self.assertThat(self.CONTENTS[self.version1_index],
Equals(results)))
d.addCallback(lambda ignored:
self._fn.download_version(self.servermap, self.version2))
d.addCallback(lambda results:
self.assertThat(self.CONTENTS[self.version2_index],
Equals(results)))
return d
results = await self._fn.download_version(self.servermap, self.version1)
self.assertThat(self.CONTENTS[self.version1_index],
Equals(results))
results = await self._fn.download_version(self.servermap, self.version2)
self.assertThat(self.CONTENTS[self.version2_index],
Equals(results))
def test_download_nonexistent_version(self):
d = self.do_upload_mdmf()
d.addCallback(lambda ign: self.mdmf_node.get_servermap(mode=MODE_WRITE))
def _set_servermap(servermap):
self.servermap = servermap
d.addCallback(_set_servermap)
d.addCallback(lambda ignored:
self.shouldFail(UnrecoverableFileError, "nonexistent version",
None,
self.mdmf_node.download_version, self.servermap,
"not a version"))
return d
async def test_download_nonexistent_version(self) -> None:
await self.do_upload_mdmf()
servermap = await self.mdmf_node.get_servermap(mode=MODE_WRITE)
await self.shouldFail(UnrecoverableFileError, "nonexistent version",
None,
self.mdmf_node.download_version, servermap,
"not a version")
def _test_partial_read(self, node, expected, modes, step):
d = node.get_best_readable_version()
async def _test_partial_read(self, node, expected, modes, step) -> None:
version = await node.get_best_readable_version()
for (name, offset, length) in modes:
d.addCallback(self._do_partial_read, name, expected, offset, length)
version = await self._do_partial_read(version, name, expected, offset, length)
# then read the whole thing, but only a few bytes at a time, and see
# that the results are what we expect.
def _read_data(version):
c = consumer.MemoryConsumer()
d2 = defer.succeed(None)
for i in range(0, len(expected), step):
d2.addCallback(lambda ignored, i=i: version.read(c, i, step))
d2.addCallback(lambda ignored:
self.assertThat(expected, Equals(b"".join(c.chunks))))
return d2
d.addCallback(_read_data)
return d
def _do_partial_read(self, version, name, expected, offset, length):
c = consumer.MemoryConsumer()
d = version.read(c, offset, length)
for i in range(0, len(expected), step):
await version.read(c, i, step)
self.assertThat(expected, Equals(b"".join(c.chunks)))
async def _do_partial_read(self, version, name, expected, offset, length) -> None:
c = consumer.MemoryConsumer()
await version.read(c, offset, length)
if length is None:
expected_range = expected[offset:]
else:
expected_range = expected[offset:offset+length]
d.addCallback(lambda ignored: b"".join(c.chunks))
def _check(results):
if results != expected_range:
print("read([%d]+%s) got %d bytes, not %d" % \
(offset, length, len(results), len(expected_range)))
print("got: %s ... %s" % (results[:20], results[-20:]))
print("exp: %s ... %s" % (expected_range[:20], expected_range[-20:]))
self.fail("results[%s] != expected_range" % name)
return version # daisy-chained to next call
d.addCallback(_check)
return d
results = b"".join(c.chunks)
if results != expected_range:
print("read([%d]+%s) got %d bytes, not %d" % \
(offset, length, len(results), len(expected_range)))
print("got: %s ... %s" % (results[:20], results[-20:]))
print("exp: %s ... %s" % (expected_range[:20], expected_range[-20:]))
self.fail("results[%s] != expected_range" % name)
return version # daisy-chained to next call
def test_partial_read_mdmf_0(self):
async def test_partial_read_mdmf_0(self) -> None:
data = b""
d = self.do_upload_mdmf(data=data)
result = await self.do_upload_mdmf(data=data)
modes = [("all1", 0,0),
("all2", 0,None),
]
d.addCallback(self._test_partial_read, data, modes, 1)
return d
await self._test_partial_read(result, data, modes, 1)
def test_partial_read_mdmf_large(self):
async def test_partial_read_mdmf_large(self) -> None:
segment_boundary = mathutil.next_multiple(128 * 1024, 3)
modes = [("start_on_segment_boundary", segment_boundary, 50),
("ending_one_byte_after_segment_boundary", segment_boundary-50, 51),
@ -386,20 +312,18 @@ class Version(GridTestMixin, AsyncTestCase, testutil.ShouldFailMixin, \
("complete_file1", 0, len(self.data)),
("complete_file2", 0, None),
]
d = self.do_upload_mdmf()
d.addCallback(self._test_partial_read, self.data, modes, 10000)
return d
result = await self.do_upload_mdmf()
await self._test_partial_read(result, self.data, modes, 10000)
def test_partial_read_sdmf_0(self):
async def test_partial_read_sdmf_0(self) -> None:
data = b""
modes = [("all1", 0,0),
("all2", 0,None),
]
d = self.do_upload_sdmf(data=data)
d.addCallback(self._test_partial_read, data, modes, 1)
return d
result = await self.do_upload_sdmf(data=data)
await self._test_partial_read(result, data, modes, 1)
def test_partial_read_sdmf_2(self):
async def test_partial_read_sdmf_2(self) -> None:
data = b"hi"
modes = [("one_byte", 0, 1),
("last_byte", 1, 1),
@ -407,11 +331,10 @@ class Version(GridTestMixin, AsyncTestCase, testutil.ShouldFailMixin, \
("complete_file", 0, 2),
("complete_file2", 0, None),
]
d = self.do_upload_sdmf(data=data)
d.addCallback(self._test_partial_read, data, modes, 1)
return d
result = await self.do_upload_sdmf(data=data)
await self._test_partial_read(result, data, modes, 1)
def test_partial_read_sdmf_90(self):
async def test_partial_read_sdmf_90(self) -> None:
modes = [("start_at_middle", 50, 40),
("start_at_middle2", 50, None),
("zero_length_at_start", 0, 0),
@ -420,11 +343,10 @@ class Version(GridTestMixin, AsyncTestCase, testutil.ShouldFailMixin, \
("complete_file1", 0, None),
("complete_file2", 0, 90),
]
d = self.do_upload_sdmf()
d.addCallback(self._test_partial_read, self.small_data, modes, 10)
return d
result = await self.do_upload_sdmf()
await self._test_partial_read(result, self.small_data, modes, 10)
def test_partial_read_sdmf_100(self):
async def test_partial_read_sdmf_100(self) -> None:
data = b"test data "*10
modes = [("start_at_middle", 50, 50),
("start_at_middle2", 50, None),
@ -433,42 +355,30 @@ class Version(GridTestMixin, AsyncTestCase, testutil.ShouldFailMixin, \
("complete_file1", 0, 100),
("complete_file2", 0, None),
]
d = self.do_upload_sdmf(data=data)
d.addCallback(self._test_partial_read, data, modes, 10)
return d
result = await self.do_upload_sdmf(data=data)
await self._test_partial_read(result, data, modes, 10)
async def _test_read_and_download(self, node, expected) -> None:
version = await node.get_best_readable_version()
c = consumer.MemoryConsumer()
await version.read(c)
self.assertThat(expected, Equals(b"".join(c.chunks)))
def _test_read_and_download(self, node, expected):
d = node.get_best_readable_version()
def _read_data(version):
c = consumer.MemoryConsumer()
c2 = consumer.MemoryConsumer()
d2 = defer.succeed(None)
d2.addCallback(lambda ignored: version.read(c))
d2.addCallback(lambda ignored:
self.assertThat(expected, Equals(b"".join(c.chunks))))
c2 = consumer.MemoryConsumer()
await version.read(c2, offset=0, size=len(expected))
self.assertThat(expected, Equals(b"".join(c2.chunks)))
d2.addCallback(lambda ignored: version.read(c2, offset=0,
size=len(expected)))
d2.addCallback(lambda ignored:
self.assertThat(expected, Equals(b"".join(c2.chunks))))
return d2
d.addCallback(_read_data)
d.addCallback(lambda ignored: node.download_best_version())
d.addCallback(lambda data: self.assertThat(expected, Equals(data)))
return d
data = await node.download_best_version()
self.assertThat(expected, Equals(data))
def test_read_and_download_mdmf(self):
d = self.do_upload_mdmf()
d.addCallback(self._test_read_and_download, self.data)
return d
async def test_read_and_download_mdmf(self) -> None:
result = await self.do_upload_mdmf()
await self._test_read_and_download(result, self.data)
def test_read_and_download_sdmf(self):
d = self.do_upload_sdmf()
d.addCallback(self._test_read_and_download, self.small_data)
return d
async def test_read_and_download_sdmf(self) -> None:
result = await self.do_upload_sdmf()
await self._test_read_and_download(result, self.small_data)
def test_read_and_download_sdmf_zero_length(self):
d = self.do_upload_empty_sdmf()
d.addCallback(self._test_read_and_download, b"")
return d
async def test_read_and_download_sdmf_zero_length(self) -> None:
result = await self.do_upload_empty_sdmf()
await self._test_read_and_download(result, b"")