mirror of
https://github.com/open-mmlab/mmengine.git
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f1da9a1d7f
* Support multiple optimizers * minor refinement * improve unit tests * minor fix * Update unit tests for resuming or saving ckpt for multiple optimizers * refine docstring * refine docstring * fix typo * update docstring * refactor the logic to build multiple optimizers * resolve comments * ParamSchedulers spports multiple optimizers * refine docstring * RuntimeInfoHook supports printing multi learning rates * resolve comments * fix typo
80 lines
2.8 KiB
Python
80 lines
2.8 KiB
Python
# Copyright (c) OpenMMLab. All rights reserved.
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from unittest.mock import Mock
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import pytest
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from mmengine.hooks import ParamSchedulerHook
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class TestParamSchedulerHook:
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error_msg = ('runner.param_schedulers should be list of ParamScheduler or '
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'a dict containing list of ParamScheduler')
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def test_after_iter(self):
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# runner.param_schedulers should be a list or dict
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with pytest.raises(TypeError, match=self.error_msg):
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hook = ParamSchedulerHook()
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runner = Mock()
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scheduler = Mock()
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scheduler.step = Mock()
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scheduler.by_epoch = False
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runner.param_schedulers = scheduler
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hook.after_train_iter(runner, 0)
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scheduler.step.assert_called()
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# runner.param_schedulers is a list of schedulers
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hook = ParamSchedulerHook()
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runner = Mock()
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scheduler = Mock()
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scheduler.step = Mock()
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scheduler.by_epoch = False
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runner.param_schedulers = [scheduler]
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hook.after_train_iter(runner, 0)
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scheduler.step.assert_called()
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# runner.param_schedulers is a dict containing list of schedulers
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scheduler1 = Mock()
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scheduler1.step = Mock()
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scheduler1.by_epoch = False
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scheduler2 = Mock()
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scheduler2.step = Mock()
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scheduler2.by_epoch = False
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runner.param_schedulers = dict(key1=[scheduler1], key2=[scheduler2])
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hook.after_train_epoch(runner)
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hook.after_train_iter(runner, 0)
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scheduler2.step.assert_called()
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def test_after_epoch(self):
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# runner.param_schedulers should be a list or dict
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with pytest.raises(TypeError, match=self.error_msg):
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hook = ParamSchedulerHook()
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runner = Mock()
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scheduler = Mock()
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scheduler.step = Mock()
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scheduler.by_epoch = True
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runner.param_schedulers = scheduler
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hook.after_train_iter(runner, 0)
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scheduler.step.assert_called()
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# runner.param_schedulers is a list of schedulers
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hook = ParamSchedulerHook()
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runner = Mock()
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scheduler = Mock()
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scheduler.step = Mock()
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scheduler.by_epoch = True
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runner.param_schedulers = [scheduler]
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hook.after_train_epoch(runner)
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scheduler.step.assert_called()
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# runner.param_schedulers is a dict containing list of schedulers
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scheduler1 = Mock()
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scheduler1.step = Mock()
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scheduler1.by_epoch = True
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scheduler2 = Mock()
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scheduler2.step = Mock()
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scheduler2.by_epoch = True
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runner.param_schedulers = dict(key1=[scheduler1], key2=[scheduler2])
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hook.after_train_epoch(runner)
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scheduler1.step.assert_called()
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scheduler2.step.assert_called()
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