def test_givenLocalWeightsNotLastVersion_whenInstantiatingAFastTextSeq2SeqModel_thenShouldDownloadWeights(
self, load_state_dict_mock, torch_mock, isfile_mock, last_version_mock):
isfile_mock.return_value = True
last_version_mock.return_value = False
with patch("deepparse.network.seq2seq.download_weights") as download_weights_mock:
self.seq2seq_model = FastTextSeq2SeqModel(self.a_torch_device, self.verbose)
download_weights_mock.assert_called_with(self.model_type, self.a_root_path, verbose=self.verbose)
def test_whenForwardStep_thenStepIsOk(self):
self.seq2seq_model = FastTextSeq2SeqModel(self.a_torch_device)
# forward pass for two address: '['15 major st london ontario n5z1e1', '15 major st london ontario n5z1e1']'
self.decoder_input_setUp()
predictions = self.seq2seq_model.forward(self.to_predict_tensor, self.a_lengths_tensor)
self.assert_output_is_valid_dim(predictions)
def test_whenForwardStepWithTarget_thenStepIsOk(self):
self.seq2seq_model = FastTextSeq2SeqModel(self.a_torch_device, output_size=self.number_of_tags)
# forward pass for two address: "["15 major st london ontario n5z1e1", "15 major st london ontario n5z1e1"]"
self.decoder_input_setUp()
predictions = self.seq2seq_model.forward(self.to_predict_tensor, self.a_lengths_tensor, self.a_target_vector)
self.assert_output_is_valid_dim(predictions, output_dim=self.number_of_tags)
def test_retrainedModel_whenForwardStepWithTarget_thenStepIsOk(self):
self.seq2seq_model = FastTextSeq2SeqModel(self.a_torch_device,
self.verbose,
path_to_retrained_model=self.a_retrain_model)
# forward pass for two address: '['15 major st london ontario n5z1e1', '15 major st london ontario n5z1e1']'
self.decoder_input_setUp()
predictions = self.seq2seq_model.forward(self.to_predict_tensor, self.a_lengths_tensor, self.a_target_vector)
self.assert_output_is_valid_dim(predictions)
def test_whenInstantiateASeq2SeqModel_thenEncodeIsCalledOnce(self, load_state_dict_mock, torch_mock, isfile_mock,
last_version_mock, download_weights_mock,
encoder_mock):
self.seq2seq_model = FastTextSeq2SeqModel(self.a_torch_device, self.verbose)
to_predict_mock, lengths_tensor_mock = self.setup_encoder_mocks()
self.seq2seq_model._encoder_step(to_predict_mock, lengths_tensor_mock, self.a_batch_size)
encoder_call = [call()(to_predict_mock, lengths_tensor_mock)]
encoder_mock.assert_has_calls(encoder_call)
def test_givenNotLocalWeights_whenInstantiatingAFastTextSeq2SeqModel_thenShouldDownloadWeights(
self, load_state_dict_mock, torch_mock, isfile_mock):
isfile_mock.return_value = False
with patch("deepparse.network.seq2seq.download_weights"
) as download_weights_mock:
FastTextSeq2SeqModel(self.a_cpu_device,
output_size=self.output_size,
verbose=self.verbose)
download_weights_mock.assert_called_with(self.model_type,
self.a_root_path,
verbose=self.verbose)
def test_givenAFasttext2SeqAttModel_whenForwardPassWithTarget_thenProperlyDoPAss(
self,
load_state_dict_mock,
torch_mock,
isfile_mock,
last_version_mock,
download_weights_mock,
decoder_mock,
encoder_mock,
random_mock,
):
random_mock.return_value = self.a_value_lower_than_threshold
target_mock = MagicMock()
to_predict_mock, lengths_tensor_mock = self.setup_encoder_mocks()
_, decoder_hidden_mock = self.setUp_decoder_mocks(
decoder_mock, attention_mechanism=True)
# we don't use the one of the setUp_decoder_mocks since we do the full loop
decoder_input_mock = MagicMock()
to_mock = MagicMock()
torch_mock.zeros().to().new_full.return_value = to_mock
# We mock the return of the decoder output
encoder_mock.__call__().return_value = (decoder_input_mock,
decoder_hidden_mock)
seq2seq_model = FastTextSeq2SeqModel(
self.a_torch_device,
self.output_size,
self.verbose,
attention_mechanism=True,
)
seq2seq_model.forward(
to_predict=to_predict_mock,
lengths_tensor=lengths_tensor_mock,
target=target_mock,
)
encoder_mock.assert_has_calls(
[call()(to_predict_mock, lengths_tensor_mock)])
lengths_tensor_mock.assert_has_calls([call.max().item()])
decoder_mock.assert_has_calls([
call()(
to_mock,
decoder_hidden_mock,
decoder_input_mock,
lengths_tensor_mock,
)
])
target_mock.assert_has_calls([call.transpose(0, 1)])
def test_givenRetrainedWeights_whenInstantiatingAFastTextSeq2SeqModel_thenShouldUseRetrainedWeights(
self, load_state_dict_mock, torch_mock):
all_layers_params = MagicMock()
torch_mock.load.return_value = all_layers_params
self.seq2seq_model = FastTextSeq2SeqModel(self.a_torch_device,
self.verbose,
path_to_retrained_model=self.a_path_to_retrained_model)
torch_load_call = [call.load(self.a_path_to_retrained_model, map_location=self.a_torch_device)]
torch_mock.assert_has_calls(torch_load_call)
load_state_dict_call = [call(all_layers_params)]
load_state_dict_mock.assert_has_calls(load_state_dict_call)
def test_retrainedModel_whenForwardStep_thenStepIsOk(self):
self.seq2seq_model = FastTextSeq2SeqModel(
self.a_torch_device,
output_size=self.re_trained_output_dim,
verbose=self.verbose,
path_to_retrained_model=self.a_retrain_model_path,
)
# forward pass for two address: "["15 major st london ontario n5z1e1", "15 major st london ontario n5z1e1"]"
self.decoder_input_setUp()
predictions = self.seq2seq_model.forward(self.to_predict_tensor, self.a_lengths_tensor)
self.assert_output_is_valid_dim(predictions, output_dim=self.re_trained_output_dim)
def test_whenInstantiateASeq2SeqModelNoTarget_thenDecoderIsCalled(
self,
load_state_dict_mock,
torch_mock,
isfile_mock,
last_version_mock,
download_weights_mock,
decoder_mock,
):
self.seq2seq_model = FastTextSeq2SeqModel(self.a_torch_device, self.verbose)
decoder_input_mock, decoder_hidden_mock = self.setUp_decoder_mocks(decoder_mock)
max_length = 4 # a sequence of 4 tokens
self.seq2seq_model._decoder_step(decoder_input_mock, decoder_hidden_mock, self.a_none_target, max_length,
self.a_batch_size)
decoder_call = [call()(decoder_input_mock.view(), decoder_hidden_mock)] * max_length
decoder_mock.assert_has_calls(decoder_call)
def test_whenInstantiateASeq2SeqModelWithTarget_thenDecoderIsCalled(
self,
load_state_dict_mock,
torch_mock,
isfile_mock,
last_version_mock,
download_weights_mock,
decoder_mock,
random_mock,
):
random_mock.return_value = self.a_value_lower_than_threshold
seq2seq_model = FastTextSeq2SeqModel(self.a_cpu_device,
output_size=self.output_size,
verbose=self.verbose)
decoder_input_mock, decoder_hidden_mock = self.setUp_decoder_mocks(
decoder_mock, attention_mechanism=False)
lengths_tensor_mock = MagicMock()
max_length = 4 # a sequence of 4 tokens
lengths_tensor_mock.max().item.return_value = max_length
encoder_outputs = MagicMock()
seq2seq_model._decoder_step(
decoder_input_mock,
decoder_hidden_mock,
encoder_outputs,
self.a_none_target,
lengths_tensor_mock,
self.a_batch_size,
)
decoder_call = []
for idx in range(max_length):
decoder_call.append(call()(
self.a_transpose_target_vector[idx].view(
1, self.a_batch_size, 1),
decoder_hidden_mock,
))
self.assert_has_calls_tensor_equals(decoder_mock, decoder_call)
def test_whenInstantiateASeq2SeqModelWithTarget_thenDecoderIsCalled(self, load_state_dict_mock, torch_mock,
isfile_mock, last_version_mock,
download_weights_mock, decoder_mock,
random_mock):
random_mock.return_value = self.a_value_lower_than_threshold
self.seq2seq_model = FastTextSeq2SeqModel(self.a_torch_device, self.verbose)
decoder_input_mock, decoder_hidden_mock = self.setUp_decoder_mocks(decoder_mock)
max_length = 4 # a sequence of 4 tokens
self.seq2seq_model._decoder_step(decoder_input_mock, decoder_hidden_mock, self.a_target_vector, max_length,
self.a_batch_size)
decoder_call = []
for idx in range(max_length):
decoder_call.append(call()(self.a_transpose_target_vector[idx].view(1, self.a_batch_size, 1),
decoder_hidden_mock))
self.assert_has_calls_tensor_equals(decoder_mock, decoder_call)
def test_whenInstantiateASeq2SeqAttModelNoTarget_thenDecoderIsCalled(
self,
load_state_dict_mock,
torch_mock,
isfile_mock,
last_version_mock,
download_weights_mock,
decoder_mock,
):
seq2seq_model = FastTextSeq2SeqModel(
self.a_cpu_device,
output_size=self.output_size,
verbose=self.verbose,
attention_mechanism=True,
)
decoder_input_mock, decoder_hidden_mock = self.setUp_decoder_mocks(
decoder_mock, attention_mechanism=True)
view_mock = MagicMock()
decoder_input_mock.view.return_value = view_mock
lengths_tensor_mock = MagicMock()
max_length = 4 # a sequence of 4 tokens
lengths_tensor_mock.max().item.return_value = max_length
encoder_outputs = MagicMock()
seq2seq_model._decoder_step(
decoder_input_mock,
decoder_hidden_mock,
encoder_outputs,
self.a_none_target,
lengths_tensor_mock,
self.a_batch_size,
)
decoder_call = [
call()(view_mock, decoder_hidden_mock, encoder_outputs,
lengths_tensor_mock)
] * max_length
decoder_mock.assert_has_calls(decoder_call)