mmocr/tests/test_engine/test_hooks/test_visualization_hook.py

80 lines
2.6 KiB
Python

# Copyright (c) OpenMMLab. All rights reserved.
import os.path as osp
import shutil
import time
from unittest import TestCase
from unittest.mock import Mock
import torch
from mmengine.structures import InstanceData
from mmocr.engine.hooks import VisualizationHook
from mmocr.structures import TextDetDataSample
from mmocr.visualization import TextDetLocalVisualizer
def _rand_bboxes(num_boxes, h, w):
cx, cy, bw, bh = torch.rand(num_boxes, 4).T
tl_x = ((cx * w) - (w * bw / 2)).clamp(0, w).unsqueeze(0)
tl_y = ((cy * h) - (h * bh / 2)).clamp(0, h).unsqueeze(0)
br_x = ((cx * w) + (w * bw / 2)).clamp(0, w).unsqueeze(0)
br_y = ((cy * h) + (h * bh / 2)).clamp(0, h).unsqueeze(0)
bboxes = torch.cat([tl_x, tl_y, br_x, br_y], dim=0).T
return bboxes
class TestVisualizationHook(TestCase):
def setUp(self) -> None:
data_sample = TextDetDataSample()
data_sample.set_metainfo({
'img_path':
osp.join(
osp.dirname(__file__),
'../../data/det_toy_dataset/imgs/test/img_1.jpg')
})
pred_instances = InstanceData()
pred_instances.bboxes = _rand_bboxes(5, 10, 12)
pred_instances.labels = torch.randint(0, 2, (5, ))
pred_instances.scores = torch.rand((5, ))
data_sample.pred_instances = pred_instances
self.outputs = [data_sample] * 2
self.data_batch = None
def test_after_val_iter(self):
timestamp = time.strftime('%Y%m%d_%H%M%S', time.localtime())
TextDetLocalVisualizer.get_instance(
'visualizer_val',
vis_backends=[dict(type='LocalVisBackend', img_save_dir='')],
save_dir=timestamp)
runner = Mock()
runner.iter = 1
hook = VisualizationHook(enable=True, interval=1)
self.assertFalse(osp.exists(timestamp))
hook.after_val_iter(runner, 1, self.data_batch, self.outputs)
self.assertTrue(osp.exists(timestamp))
shutil.rmtree(timestamp)
def test_after_test_iter(self):
timestamp = time.strftime('%Y%m%d_%H%M%S', time.localtime())
TextDetLocalVisualizer.get_instance(
'visualizer_test',
vis_backends=[dict(type='LocalVisBackend', img_save_dir='')],
save_dir=timestamp)
runner = Mock()
runner.iter = 1
hook = VisualizationHook(enable=False)
hook.after_test_iter(runner, 1, self.data_batch, self.outputs)
self.assertFalse(osp.exists(timestamp))
hook = VisualizationHook(enable=True)
hook.after_test_iter(runner, 1, self.data_batch, self.outputs)
self.assertTrue(osp.exists(timestamp))
shutil.rmtree(timestamp)