Files
concrete/tests/compilation/test_circuit.py

305 lines
8.8 KiB
Python

"""
Tests of `Circuit` class.
"""
import tempfile
from pathlib import Path
import numpy as np
import pytest
from concrete.numpy import Client, ClientSpecs, EvaluationKeys, Server
from concrete.numpy.compilation import compiler
def test_circuit_str(helpers):
"""
Test `__str__` method of `Circuit` class.
"""
configuration = helpers.configuration()
@compiler({"x": "encrypted", "y": "encrypted"})
def f(x, y):
return x + y
inputset = [(np.random.randint(0, 2**4), np.random.randint(0, 2**5)) for _ in range(100)]
circuit = f.compile(inputset, configuration)
assert str(circuit) == (
"""
%0 = x # EncryptedScalar<uint4>
%1 = y # EncryptedScalar<uint5>
%2 = add(%0, %1) # EncryptedScalar<uint6>
return %2
""".strip()
)
def test_circuit_feedback(helpers):
"""
Test feedback properties of `Circuit` class.
"""
configuration = helpers.configuration()
@compiler({"x": "encrypted", "y": "encrypted"})
def f(x, y):
return x + y
inputset = [(np.random.randint(0, 2**4), np.random.randint(0, 2**5)) for _ in range(100)]
circuit = f.compile(inputset, configuration)
assert isinstance(circuit.complexity, float)
assert isinstance(circuit.size_of_secret_keys, int)
assert isinstance(circuit.size_of_bootstrap_keys, int)
assert isinstance(circuit.size_of_keyswitch_keys, int)
assert isinstance(circuit.size_of_inputs, int)
assert isinstance(circuit.size_of_outputs, int)
def test_circuit_bad_run(helpers):
"""
Test `run` method of `Circuit` class with bad parameters.
"""
configuration = helpers.configuration()
@compiler({"x": "encrypted", "y": "encrypted"})
def f(x, y):
return x + y
inputset = [(np.random.randint(0, 2**4), np.random.randint(0, 2**5)) for _ in range(100)]
circuit = f.compile(inputset, configuration)
# with 1 argument
# ---------------
with pytest.raises(ValueError) as excinfo:
circuit.encrypt_run_decrypt(1)
assert str(excinfo.value) == "Expected 2 inputs but got 1"
# with 3 arguments
# ----------------
with pytest.raises(ValueError) as excinfo:
circuit.encrypt_run_decrypt(1, 2, 3)
assert str(excinfo.value) == "Expected 2 inputs but got 3"
# with negative argument 0
# ------------------------
with pytest.raises(ValueError) as excinfo:
circuit.encrypt_run_decrypt(-1, 11)
assert str(excinfo.value) == (
"Expected argument 0 to be EncryptedScalar<uint6> but it's EncryptedScalar<int1>"
)
# with negative argument 1
# ------------------------
with pytest.raises(ValueError) as excinfo:
circuit.encrypt_run_decrypt(1, -11)
assert str(excinfo.value) == (
"Expected argument 1 to be EncryptedScalar<uint6> but it's EncryptedScalar<int5>"
)
# with large argument 0
# ---------------------
with pytest.raises(ValueError) as excinfo:
circuit.encrypt_run_decrypt(100, 10)
assert str(excinfo.value) == (
"Expected argument 0 to be EncryptedScalar<uint6> but it's EncryptedScalar<uint7>"
)
# with large argument 1
# ---------------------
with pytest.raises(ValueError) as excinfo:
circuit.encrypt_run_decrypt(1, 100)
assert str(excinfo.value) == (
"Expected argument 1 to be EncryptedScalar<uint6> but it's EncryptedScalar<uint7>"
)
def test_circuit_virtual_explicit_api(helpers):
"""
Test `keygen`, `encrypt`, `run`, and `decrypt` methods of `Circuit` class with virtual circuit.
"""
configuration = helpers.configuration()
@compiler({"x": "encrypted", "y": "encrypted"})
def f(x, y):
return x + y
inputset = [(np.random.randint(0, 2**4), np.random.randint(0, 2**5)) for _ in range(100)]
circuit = f.compile(inputset, configuration, virtual=True)
with pytest.raises(RuntimeError) as excinfo:
circuit.keygen()
assert str(excinfo.value) == "Virtual circuits cannot use `keygen` method"
with pytest.raises(RuntimeError) as excinfo:
circuit.encrypt(1, 2)
assert str(excinfo.value) == "Virtual circuits cannot use `encrypt` method"
with pytest.raises(RuntimeError) as excinfo:
circuit.run(None)
assert str(excinfo.value) == "Virtual circuits cannot use `run` method"
with pytest.raises(RuntimeError) as excinfo:
circuit.decrypt(None)
assert str(excinfo.value) == "Virtual circuits cannot use `decrypt` method"
def test_client_server_api(helpers):
"""
Test client/server API.
"""
configuration = helpers.configuration()
@compiler({"x": "encrypted"})
def function(x):
return x + 42
inputset = [np.random.randint(0, 10, size=(3,)) for _ in range(10)]
circuit = function.compile(inputset, configuration.fork(jit=False))
# for coverage
circuit.keygen()
with tempfile.TemporaryDirectory() as tmp_dir:
tmp_dir_path = Path(tmp_dir)
server_path = tmp_dir_path / "server.zip"
circuit.server.save(server_path)
client_path = tmp_dir_path / "client.zip"
circuit.client.save(client_path)
circuit.cleanup()
server = Server.load(server_path)
serialized_client_specs = server.client_specs.serialize()
client_specs = ClientSpecs.unserialize(serialized_client_specs)
clients = [
Client(client_specs, configuration.insecure_key_cache_location),
Client.load(client_path, configuration.insecure_key_cache_location),
]
for client in clients:
args = client.encrypt([3, 8, 1])
serialized_args = client.specs.serialize_public_args(args)
serialized_evaluation_keys = client.evaluation_keys.serialize()
unserialized_args = server.client_specs.unserialize_public_args(serialized_args)
unserialized_evaluation_keys = EvaluationKeys.unserialize(serialized_evaluation_keys)
result = server.run(unserialized_args, unserialized_evaluation_keys)
serialized_result = server.client_specs.serialize_public_result(result)
unserialized_result = client.specs.unserialize_public_result(serialized_result)
output = client.decrypt(unserialized_result)
assert np.array_equal(output, [45, 50, 43])
with pytest.raises(RuntimeError) as excinfo:
server.save("UNUSED", via_mlir=True)
assert str(excinfo.value) == "Loaded server objects cannot be saved again via MLIR"
server.cleanup()
def test_client_server_api_via_mlir(helpers):
"""
Test client/server API.
"""
configuration = helpers.configuration()
@compiler({"x": "encrypted"})
def function(x):
return x + 42
inputset = [np.random.randint(0, 10, size=(3,)) for _ in range(10)]
circuit = function.compile(inputset, configuration.fork(jit=False))
with tempfile.TemporaryDirectory() as tmp_dir:
tmp_dir_path = Path(tmp_dir)
server_path = tmp_dir_path / "server.zip"
circuit.server.save(server_path, via_mlir=True)
client_path = tmp_dir_path / "client.zip"
circuit.client.save(client_path)
circuit.cleanup()
server = Server.load(server_path)
serialized_client_specs = server.client_specs.serialize()
client_specs = ClientSpecs.unserialize(serialized_client_specs)
clients = [
Client(client_specs, configuration.insecure_key_cache_location),
Client.load(client_path, configuration.insecure_key_cache_location),
]
for client in clients:
args = client.encrypt([3, 8, 1])
serialized_args = client.specs.serialize_public_args(args)
serialized_evaluation_keys = client.evaluation_keys.serialize()
unserialized_args = server.client_specs.unserialize_public_args(serialized_args)
unserialized_evaluation_keys = EvaluationKeys.unserialize(serialized_evaluation_keys)
result = server.run(unserialized_args, unserialized_evaluation_keys)
serialized_result = server.client_specs.serialize_public_result(result)
unserialized_result = client.specs.unserialize_public_result(serialized_result)
output = client.decrypt(unserialized_result)
assert np.array_equal(output, [45, 50, 43])
server.cleanup()
def test_bad_server_save(helpers):
"""
Test `save` method of `Server` class with bad parameters.
"""
configuration = helpers.configuration()
@compiler({"x": "encrypted"})
def function(x):
return x + 42
inputset = range(10)
circuit = function.compile(inputset, configuration)
with pytest.raises(RuntimeError) as excinfo:
circuit.server.save("test.zip")
assert str(excinfo.value) == "Just-in-Time compilation cannot be saved"