def test_trainer_callback_hook_system_test(tmpdir):
"""Test the callback hook system for test."""
model = BoringModel()
callback_mock = MagicMock()
trainer = Trainer(
default_root_dir=tmpdir,
callbacks=[callback_mock],
max_epochs=1,
limit_test_batches=2,
progress_bar_refresh_rate=0,
)
trainer.test(model)
assert callback_mock.method_calls == [
call.on_init_start(trainer),
call.on_init_end(trainer),
call.on_before_accelerator_backend_setup(trainer, model),
call.setup(trainer, model, 'test'),
call.on_configure_sharded_model(trainer, model),
call.on_test_start(trainer, model),
call.on_epoch_start(trainer, model),
call.on_test_epoch_start(trainer, model),
call.on_test_batch_start(trainer, model, ANY, 0, 0),
call.on_test_batch_end(trainer, model, ANY, ANY, 0, 0),
call.on_test_batch_start(trainer, model, ANY, 1, 0),
call.on_test_batch_end(trainer, model, ANY, ANY, 1, 0),
call.on_test_epoch_end(trainer, model),
call.on_epoch_end(trainer, model),
call.on_test_end(trainer, model),
call.teardown(trainer, model, 'test'),
]
def _get_callback_expected_on_calls_when_testing(self, params):
test_batch_dict = {"time": ANY, "test_loss": ANY}
test_batch_dict.update({
"test_" + metric_name: metric
for metric_name, metric in zip(self.batch_metrics_names,
self.batch_metrics_values)
})
call_list = []
call_list.append(call.on_test_begin({}))
for batch in range(1, params['steps'] + 1):
call_list.append(call.on_test_batch_begin(batch, {}))
call_list.append(
call.on_test_batch_end(batch, {
'batch': batch,
'size': ANY,
**test_batch_dict
}))
test_batch_dict.update({
"test_" + metric_name: metric
for metric_name, metric in zip(self.epoch_metrics_names,
self.epoch_metrics_values)
})
call_list.append(
call.on_test_end({
"time": ANY,
"test_loss": ANY,
**test_batch_dict
}))
return call_list
def _test_callbacks_test(self, params, result_log):
test_batch_dict = dict(zip(self.batch_metrics_names,
self.batch_metrics_values),
loss=ANY,
time=ANY)
call_list = []
call_list.append(call.on_test_begin({}))
for batch in range(1, params['batch'] + 1):
call_list.append(call.on_test_batch_begin(batch, {}))
call_list.append(
call.on_test_batch_end(batch, {
'batch': batch,
'size': ANY,
**test_batch_dict
}))
call_list.append(call.on_test_end(result_log))
method_calls = self.mock_callback.method_calls
self.assertEqual(call.set_model(self.model),
method_calls[0]) # skip set_model
self.assertEqual(len(method_calls),
len(call_list) + 1) # for set_model
self.assertEqual(method_calls[1:], call_list)
def _test_callbacks_test(self, params):
test_batch_dict = {"time": ANY, "test_loss": ANY}
test_batch_dict.update({
"test_" + metric_name: metric
for metric_name, metric in zip(self.batch_metrics_names,
self.batch_metrics_values)
})
call_list = []
call_list.append(call.on_test_begin({}))
for batch in range(1, params['steps'] + 1):
call_list.append(call.on_test_batch_begin(batch, {}))
call_list.append(
call.on_test_batch_end(batch, {
'batch': batch,
'size': ANY,
**test_batch_dict
}))
test_batch_dict.update({
"test_" + metric_name: metric
for metric_name, metric in zip(self.epoch_metrics_names,
self.epoch_metrics_values)
})
call_list.append(
call.on_test_end({
"time": ANY,
"test_loss": ANY,
**test_batch_dict
}))
method_calls = self.mock_callback.method_calls
self.assertEqual(call.set_model(self.model),
method_calls[0]) # skip set_model and set param call
self.assertEqual(call.set_params(params), method_calls[1])
self.assertEqual(len(method_calls),
len(call_list) + 2) # for set_model and set param
self.assertEqual(method_calls[2:], call_list)
def test_trainer_callback_system(torch_save):
"""Test the callback system."""
model = BoringModel()
callback_mock = MagicMock()
trainer_options = dict(
callbacks=[callback_mock],
max_epochs=1,
limit_val_batches=1,
limit_train_batches=3,
limit_test_batches=2,
progress_bar_refresh_rate=0,
)
# no call yet
callback_mock.assert_not_called()
# fit model
trainer = Trainer(**trainer_options)
# check that only the to calls exists
assert trainer.callbacks[0] == callback_mock
assert callback_mock.method_calls == [
call.on_init_start(trainer),
call.on_init_end(trainer),
]
trainer.fit(model)
assert callback_mock.method_calls == [
call.on_init_start(trainer),
call.on_init_end(trainer),
call.setup(trainer, model, 'fit'),
call.on_fit_start(trainer, model),
call.on_pretrain_routine_start(trainer, model),
call.on_pretrain_routine_end(trainer, model),
call.on_sanity_check_start(trainer, model),
call.on_validation_start(trainer, model),
call.on_validation_epoch_start(trainer, model),
call.on_validation_batch_start(trainer, model, ANY, 0, 0),
call.on_validation_batch_end(trainer, model, ANY, ANY, 0, 0),
call.on_validation_epoch_end(trainer, model),
call.on_validation_end(trainer, model),
call.on_sanity_check_end(trainer, model),
call.on_train_start(trainer, model),
call.on_epoch_start(trainer, model),
call.on_train_epoch_start(trainer, model),
call.on_batch_start(trainer, model),
call.on_train_batch_start(trainer, model, ANY, 0, 0),
call.on_after_backward(trainer, model),
call.on_before_zero_grad(trainer, model, trainer.optimizers[0]),
call.on_batch_end(trainer, model),
call.on_train_batch_end(trainer, model, ANY, ANY, 0, 0),
call.on_batch_start(trainer, model),
call.on_train_batch_start(trainer, model, ANY, 1, 0),
call.on_after_backward(trainer, model),
call.on_before_zero_grad(trainer, model, trainer.optimizers[0]),
call.on_batch_end(trainer, model),
call.on_train_batch_end(trainer, model, ANY, ANY, 1, 0),
call.on_batch_start(trainer, model),
call.on_train_batch_start(trainer, model, ANY, 2, 0),
call.on_after_backward(trainer, model),
call.on_before_zero_grad(trainer, model, trainer.optimizers[0]),
call.on_batch_end(trainer, model),
call.on_train_batch_end(trainer, model, ANY, ANY, 2, 0),
call.on_validation_start(trainer, model),
call.on_validation_epoch_start(trainer, model),
call.on_validation_batch_start(trainer, model, ANY, 0, 0),
call.on_validation_batch_end(trainer, model, ANY, ANY, 0, 0),
call.on_validation_epoch_end(trainer, model),
call.on_validation_end(trainer, model),
call.on_save_checkpoint(trainer, model),
call.on_epoch_end(trainer, model),
call.on_train_epoch_end(trainer, model, ANY),
call.on_train_end(trainer, model),
call.on_fit_end(trainer, model),
call.teardown(trainer, model, 'fit'),
]
callback_mock.reset_mock()
trainer = Trainer(**trainer_options)
trainer.test(model)
assert callback_mock.method_calls == [
call.on_init_start(trainer),
call.on_init_end(trainer),
call.setup(trainer, model, 'test'),
call.on_fit_start(trainer, model),
call.on_test_start(trainer, model),
call.on_test_epoch_start(trainer, model),
call.on_test_batch_start(trainer, model, ANY, 0, 0),
call.on_test_batch_end(trainer, model, ANY, ANY, 0, 0),
call.on_test_batch_start(trainer, model, ANY, 1, 0),
call.on_test_batch_end(trainer, model, ANY, ANY, 1, 0),
call.on_test_epoch_end(trainer, model),
call.on_test_end(trainer, model),
call.on_fit_end(trainer, model),
call.teardown(trainer, model, 'fit'),
call.teardown(trainer, model, 'test'),
]
