29 lines
1014 B
Python
29 lines
1014 B
Python
# Copyright (c) OpenMMLab. All rights reserved.
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from unittest.mock import Mock
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from mmengine.hooks import DistSamplerSeedHook
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class TestDistSamplerSeedHook:
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def test_before_epoch(self):
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hook = DistSamplerSeedHook()
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# Test dataset sampler
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runner = Mock()
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runner.epoch = 1
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runner.cur_dataloader = Mock()
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runner.cur_dataloader.sampler = Mock()
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runner.cur_dataloader.sampler.set_epoch = Mock()
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hook.before_train_epoch(runner)
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runner.cur_dataloader.sampler.set_epoch.assert_called()
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# Test batch sampler
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runner = Mock()
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runner.cur_dataloader = Mock()
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runner.cur_dataloader.sampler = Mock(spec_set=True)
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runner.cur_dataloader.batch_sampler = Mock()
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runner.cur_dataloader.batch_sampler.sampler = Mock()
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runner.cur_dataloader.batch_sampler.sampler.set_epoch = Mock()
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hook.before_train_epoch(runner)
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runner.cur_dataloader.batch_sampler.sampler.set_epoch.assert_called()
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