from lldbsuite.test.gdbclientutils import *
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbgdbclient import GDBPlatformClientTestBase
class TestGDBRemotePlatformFile(GDBPlatformClientTestBase):
def test_file(self):
"""Test mock operations on a remote file"""
class Responder(MockGDBServerResponder):
def vFile(self, packet):
if packet.startswith("vFile:open:"):
return "F10"
elif packet.startswith("vFile:pread:"):
return "Fd;frobnicator"
elif packet.startswith("vFile:pwrite:"):
return "Fa"
elif packet.startswith("vFile:close:"):
return "F0"
return "F-1,58"
self.server.responder = Responder()
self.match(
"platform file open /some/file.txt -v 0755", [r"File Descriptor = 16"]
)
self.match(
"platform file read 16 -o 11 -c 13",
[r"Return = 11\nData = \"frobnicator\""],
)
self.match("platform file write 16 -o 11 -d teststring", [r"Return = 10"])
self.match("platform file close 16", [r"file 16 closed."])
self.assertPacketLogContains(
[
"vFile:open:2f736f6d652f66696c652e747874,00000202,000001ed",
"vFile:pread:10,d,b",
"vFile:pwrite:10,b,teststring",
"vFile:close:10",
]
)
def test_file_fail(self):
"""Test mocked failures of remote operations"""
class Responder(MockGDBServerResponder):
def vFile(self, packet):
# use ENOSYS as this constant differs between GDB Remote
# Protocol and Linux, so we can test the translation
return "F-1,58"
self.server.responder = Responder()
enosys_regex = r"error: (Function not implemented|function not supported)"
self.match(
"platform file open /some/file.txt -v 0755",
[enosys_regex],
error=True,
)
self.match(
"platform file read 16 -o 11 -c 13",
[enosys_regex],
error=True,
)
self.match(
"platform file write 16 -o 11 -d teststring",
[enosys_regex],
error=True,
)
self.match("platform file close 16", [enosys_regex], error=True)
self.assertPacketLogContains(
[
"vFile:open:2f736f6d652f66696c652e747874,00000202,000001ed",
"vFile:pread:10,d,b",
"vFile:pwrite:10,b,teststring",
"vFile:close:10",
]
)
def test_file_size(self):
"""Test 'platform get-size'"""
class Responder(MockGDBServerResponder):
def vFile(self, packet):
return "F1000"
self.server.responder = Responder()
self.match(
"platform get-size /some/file.txt",
[r"File size of /some/file\.txt \(remote\): 4096"],
)
self.assertPacketLogContains(
[
"vFile:size:2f736f6d652f66696c652e747874",
]
)
def test_file_size_fallback(self):
"""Test 'platform get-size fallback to vFile:fstat'"""
class Responder(MockGDBServerResponder):
def vFile(self, packet):
if packet.startswith("vFile:open:"):
return "F5"
elif packet.startswith("vFile:fstat:"):
return "F40;" + 28 * "\0" + "\0\0\0\0\0\1\2\3" + 28 * "\0"
if packet.startswith("vFile:close:"):
return "F0"
return ""
self.server.responder = Responder()
self.match(
"platform get-size /some/file.txt",
[r"File size of /some/file\.txt \(remote\): 66051"],
)
self.assertPacketLogContains(
[
"vFile:size:2f736f6d652f66696c652e747874",
"vFile:open:2f736f6d652f66696c652e747874,00000000,00000000",
"vFile:fstat:5",
"vFile:close:5",
]
)
self.runCmd("platform disconnect")
# For a new onnection, we should attempt vFile:size once again.
server2 = MockGDBServer(self.server_socket_class())
server2.responder = Responder()
server2.start()
self.addTearDownHook(lambda: server2.stop())
self.runCmd("platform connect " + server2.get_connect_url())
self.match(
"platform get-size /other/file.txt",
[r"File size of /other/file\.txt \(remote\): 66051"],
)
self.assertPacketLogContains(
[
"vFile:size:2f6f746865722f66696c652e747874",
"vFile:open:2f6f746865722f66696c652e747874,00000000,00000000",
"vFile:fstat:5",
"vFile:close:5",
],
log=server2.responder.packetLog,
)
@expectedFailureAll(
hostoslist=["windows"], bugnumber="github.com/llvm/llvm-project/issues/92255"
)
def test_file_permissions(self):
"""Test 'platform get-permissions'"""
class Responder(MockGDBServerResponder):
def vFile(self, packet):
return "F1a4"
self.server.responder = Responder()
self.match(
"platform get-permissions /some/file.txt",
[r"File permissions of /some/file\.txt \(remote\): 0o0644"],
)
self.assertPacketLogContains(
[
"vFile:mode:2f736f6d652f66696c652e747874",
]
)
@expectedFailureAll(
hostoslist=["windows"], bugnumber="github.com/llvm/llvm-project/issues/92255"
)
def test_file_permissions_fallback(self):
"""Test 'platform get-permissions' fallback to fstat"""
class Responder(MockGDBServerResponder):
def vFile(self, packet):
if packet.startswith("vFile:open:"):
return "F5"
elif packet.startswith("vFile:fstat:"):
return "F40;" + 8 * "\0" + "\0\0\1\xA4" + 52 * "\0"
if packet.startswith("vFile:close:"):
return "F0"
return ""
self.server.responder = Responder()
try:
self.match(
"platform get-permissions /some/file.txt",
[r"File permissions of /some/file\.txt \(remote\): 0o0644"],
)
self.assertPacketLogContains(
[
"vFile:mode:2f736f6d652f66696c652e747874",
"vFile:open:2f736f6d652f66696c652e747874,00000000,00000000",
"vFile:fstat:5",
"vFile:close:5",
]
)
finally:
self.dbg.GetSelectedPlatform().DisconnectRemote()
def test_file_exists(self):
"""Test 'platform file-exists'"""
class Responder(MockGDBServerResponder):
def vFile(self, packet):
return "F,1"
self.server.responder = Responder()
self.match(
"platform file-exists /some/file.txt",
[r"File /some/file\.txt \(remote\) exists"],
)
self.assertPacketLogContains(
[
"vFile:exists:2f736f6d652f66696c652e747874",
]
)
def test_file_exists_not(self):
"""Test 'platform file-exists' with non-existing file"""
class Responder(MockGDBServerResponder):
def vFile(self, packet):
return "F,0"
self.server.responder = Responder()
self.match(
"platform file-exists /some/file.txt",
[r"File /some/file\.txt \(remote\) does not exist"],
)
self.assertPacketLogContains(
[
"vFile:exists:2f736f6d652f66696c652e747874",
]
)
def test_file_exists_fallback(self):
"""Test 'platform file-exists' fallback to open"""
class Responder(MockGDBServerResponder):
def vFile(self, packet):
if packet.startswith("vFile:open:"):
return "F5"
if packet.startswith("vFile:close:"):
return "F0"
return ""
self.server.responder = Responder()
self.match(
"platform file-exists /some/file.txt",
[r"File /some/file\.txt \(remote\) exists"],
)
self.assertPacketLogContains(
[
"vFile:exists:2f736f6d652f66696c652e747874",
"vFile:open:2f736f6d652f66696c652e747874,00000000,00000000",
"vFile:close:5",
]
)
def test_file_exists_not_fallback(self):
"""Test 'platform file-exists' fallback to open with non-existing file"""
class Responder(MockGDBServerResponder):
def vFile(self, packet):
if packet.startswith("vFile:open:"):
return "F-1,2"
return ""
self.server.responder = Responder()
self.match(
"platform file-exists /some/file.txt",
[r"File /some/file\.txt \(remote\) does not exist"],
)
self.assertPacketLogContains(
[
"vFile:exists:2f736f6d652f66696c652e747874",
"vFile:open:2f736f6d652f66696c652e747874,00000000,00000000",
]
)
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