File size: 6,659 Bytes
985cc7f |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 |
import logging
import tempfile
from unittest.mock import MagicMock, patch
import mmcv.runner
import pytest
import torch
import torch.nn as nn
from mmcv.runner import obj_from_dict
from torch.utils.data import DataLoader, Dataset
from mmseg.apis import single_gpu_test
from mmseg.core import DistEvalHook, EvalHook
class ExampleDataset(Dataset):
def __getitem__(self, idx):
results = dict(img=torch.tensor([1]), img_metas=dict())
return results
def __len__(self):
return 1
class ExampleModel(nn.Module):
def __init__(self):
super(ExampleModel, self).__init__()
self.test_cfg = None
self.conv = nn.Conv2d(3, 3, 3)
def forward(self, img, img_metas, test_mode=False, **kwargs):
return img
def train_step(self, data_batch, optimizer):
loss = self.forward(**data_batch)
return dict(loss=loss)
def test_iter_eval_hook():
with pytest.raises(TypeError):
test_dataset = ExampleModel()
data_loader = [
DataLoader(
test_dataset,
batch_size=1,
sampler=None,
num_worker=0,
shuffle=False)
]
EvalHook(data_loader)
test_dataset = ExampleDataset()
test_dataset.evaluate = MagicMock(return_value=dict(test='success'))
loader = DataLoader(test_dataset, batch_size=1)
model = ExampleModel()
data_loader = DataLoader(
test_dataset, batch_size=1, sampler=None, num_workers=0, shuffle=False)
optim_cfg = dict(type='SGD', lr=0.01, momentum=0.9, weight_decay=0.0005)
optimizer = obj_from_dict(optim_cfg, torch.optim,
dict(params=model.parameters()))
# test EvalHook
with tempfile.TemporaryDirectory() as tmpdir:
eval_hook = EvalHook(data_loader)
runner = mmcv.runner.IterBasedRunner(
model=model,
optimizer=optimizer,
work_dir=tmpdir,
logger=logging.getLogger())
runner.register_hook(eval_hook)
runner.run([loader], [('train', 1)], 1)
test_dataset.evaluate.assert_called_with([torch.tensor([1])],
logger=runner.logger)
def test_epoch_eval_hook():
with pytest.raises(TypeError):
test_dataset = ExampleModel()
data_loader = [
DataLoader(
test_dataset,
batch_size=1,
sampler=None,
num_worker=0,
shuffle=False)
]
EvalHook(data_loader, by_epoch=True)
test_dataset = ExampleDataset()
test_dataset.evaluate = MagicMock(return_value=dict(test='success'))
loader = DataLoader(test_dataset, batch_size=1)
model = ExampleModel()
data_loader = DataLoader(
test_dataset, batch_size=1, sampler=None, num_workers=0, shuffle=False)
optim_cfg = dict(type='SGD', lr=0.01, momentum=0.9, weight_decay=0.0005)
optimizer = obj_from_dict(optim_cfg, torch.optim,
dict(params=model.parameters()))
# test EvalHook with interval
with tempfile.TemporaryDirectory() as tmpdir:
eval_hook = EvalHook(data_loader, by_epoch=True, interval=2)
runner = mmcv.runner.EpochBasedRunner(
model=model,
optimizer=optimizer,
work_dir=tmpdir,
logger=logging.getLogger())
runner.register_hook(eval_hook)
runner.run([loader], [('train', 1)], 2)
test_dataset.evaluate.assert_called_once_with([torch.tensor([1])],
logger=runner.logger)
def multi_gpu_test(model, data_loader, tmpdir=None, gpu_collect=False):
results = single_gpu_test(model, data_loader)
return results
@patch('mmseg.apis.multi_gpu_test', multi_gpu_test)
def test_dist_eval_hook():
with pytest.raises(TypeError):
test_dataset = ExampleModel()
data_loader = [
DataLoader(
test_dataset,
batch_size=1,
sampler=None,
num_worker=0,
shuffle=False)
]
DistEvalHook(data_loader)
test_dataset = ExampleDataset()
test_dataset.evaluate = MagicMock(return_value=dict(test='success'))
loader = DataLoader(test_dataset, batch_size=1)
model = ExampleModel()
data_loader = DataLoader(
test_dataset, batch_size=1, sampler=None, num_workers=0, shuffle=False)
optim_cfg = dict(type='SGD', lr=0.01, momentum=0.9, weight_decay=0.0005)
optimizer = obj_from_dict(optim_cfg, torch.optim,
dict(params=model.parameters()))
# test DistEvalHook
with tempfile.TemporaryDirectory() as tmpdir:
eval_hook = DistEvalHook(data_loader)
runner = mmcv.runner.IterBasedRunner(
model=model,
optimizer=optimizer,
work_dir=tmpdir,
logger=logging.getLogger())
runner.register_hook(eval_hook)
runner.run([loader], [('train', 1)], 1)
test_dataset.evaluate.assert_called_with([torch.tensor([1])],
logger=runner.logger)
@patch('mmseg.apis.multi_gpu_test', multi_gpu_test)
def test_dist_eval_hook_epoch():
with pytest.raises(TypeError):
test_dataset = ExampleModel()
data_loader = [
DataLoader(
test_dataset,
batch_size=1,
sampler=None,
num_worker=0,
shuffle=False)
]
DistEvalHook(data_loader)
test_dataset = ExampleDataset()
test_dataset.evaluate = MagicMock(return_value=dict(test='success'))
loader = DataLoader(test_dataset, batch_size=1)
model = ExampleModel()
data_loader = DataLoader(
test_dataset, batch_size=1, sampler=None, num_workers=0, shuffle=False)
optim_cfg = dict(type='SGD', lr=0.01, momentum=0.9, weight_decay=0.0005)
optimizer = obj_from_dict(optim_cfg, torch.optim,
dict(params=model.parameters()))
# test DistEvalHook
with tempfile.TemporaryDirectory() as tmpdir:
eval_hook = DistEvalHook(data_loader, by_epoch=True, interval=2)
runner = mmcv.runner.EpochBasedRunner(
model=model,
optimizer=optimizer,
work_dir=tmpdir,
logger=logging.getLogger())
runner.register_hook(eval_hook)
runner.run([loader], [('train', 1)], 2)
test_dataset.evaluate.assert_called_with([torch.tensor([1])],
logger=runner.logger)
|