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conftest.py
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conftest.py
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# Copyright 2019 The TensorNetwork Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import pytest
import jax
import tensornetwork
import tensorflow as tf
tn = tensornetwork
@pytest.fixture(name="backend", params=["numpy", "tensorflow", "jax", "pytorch"])
def backend_fixture(request):
return request.param
@pytest.fixture(autouse=True)
def reset_default_backend():
tensornetwork.set_default_backend("numpy")
yield
tensornetwork.set_default_backend("numpy")
@pytest.fixture(autouse=True)
def enable_jax_64():
jax.config.update("jax_enable_x64", True)
yield
jax.config.update("jax_enable_x64", True)
@pytest.fixture(autouse=True)
def tf_enable_v2_behaviour():
tf.compat.v1.enable_v2_behavior()
yield
tf.compat.v1.enable_v2_behavior()
@pytest.fixture(scope="function")
def npb():
tn.set_default_backend("numpy")
yield tn.backends.backend_factory.get_backend("numpy")
tn.set_default_backend("numpy") # default backend
@pytest.fixture(scope="function")
def tfb():
try:
tn.set_default_backend("tensorflow")
yield tn.backends.backend_factory.get_backend("jax")
tn.set_default_backend("numpy") # default backend
except ImportError as e:
print(e)
tc.set_backend("numpy")
pytest.skip("****** No tensorflow backend found, skipping test suit *******")
@pytest.fixture(scope="function")
def jaxb():
try:
tn.set_default_backend("jax")
yield tn.backends.backend_factory.get_backend("jax")
tn.set_default_backend("numpy") # default backend
except ImportError as e:
print(e)
tc.set_backend("numpy")
pytest.skip("****** No jax backend found, skipping test suit *******")
@pytest.fixture(scope="function")
def torchb():
try:
tn.set_default_backend("pytorch")
yield tn.backends.backend_factory.get_backend("pytorch")
tn.set_default_backend("numpy") # default backend
except ImportError as e:
print(e)
tc.set_backend("numpy")
pytest.skip("****** No pytorch backend found, skipping test suit *******")