Add openpilot tests

tinygrad_repo/test/models/test_efficientnet.py

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+import ast
+import pathlib
+import sys
+import unittest
+
+import numpy as np
+from PIL import Image
+
+from tinygrad.helpers import getenv
+from tinygrad.tensor import Tensor
+from models.efficientnet import EfficientNet
+from models.vit import ViT
+from models.resnet import ResNet50
+
+def _load_labels():
+  labels_filename = pathlib.Path(__file__).parent / 'efficientnet/imagenet1000_clsidx_to_labels.txt'
+  return ast.literal_eval(labels_filename.read_text())
+
+_LABELS = _load_labels()
+
+def preprocess(img, new=False):
+  # preprocess image
+  aspect_ratio = img.size[0] / img.size[1]
+  img = img.resize((int(224*max(aspect_ratio,1.0)), int(224*max(1.0/aspect_ratio,1.0))))
+
+  img = np.array(img)
+  y0, x0 =(np.asarray(img.shape)[:2] - 224) // 2
+  img = img[y0: y0 + 224, x0: x0 + 224]
+
+  # low level preprocess
+  if new:
+    img = img.astype(np.float32)
+    img -= [127.0, 127.0, 127.0]
+    img /= [128.0, 128.0, 128.0]
+    img = img[None]
+  else:
+    img = np.moveaxis(img, [2, 0, 1], [0, 1, 2])
+    img = img.astype(np.float32)[:3].reshape(1, 3, 224, 224)
+    img /= 255.0
+    img -= np.array([0.485, 0.456, 0.406]).reshape((1, -1, 1, 1))
+    img /= np.array([0.229, 0.224, 0.225]).reshape((1, -1, 1, 1))
+  return img
+
+
+def _infer(model: EfficientNet, img, bs=1):
+  Tensor.training = False
+  img = preprocess(img)
+  # run the net
+  if bs > 1: img = img.repeat(bs, axis=0)
+  out = model.forward(Tensor(img)).cpu()
+  return _LABELS[np.argmax(out.numpy()[0])]
+
+chicken_img = Image.open(pathlib.Path(__file__).parent / 'efficientnet/Chicken.jpg')
+car_img = Image.open(pathlib.Path(__file__).parent / 'efficientnet/car.jpg')
+
+class TestEfficientNet(unittest.TestCase):
+  @classmethod
+  def setUpClass(cls):
+    cls.model = EfficientNet(number=getenv("NUM"))
+    cls.model.load_from_pretrained()
+
+  @classmethod
+  def tearDownClass(cls):
+    del cls.model
+
+  def test_chicken(self):
+    label = _infer(self.model, chicken_img)
+    self.assertEqual(label, "hen")
+
+  def test_chicken_bigbatch(self):
+    label = _infer(self.model, chicken_img, 2)
+    self.assertEqual(label, "hen")
+
+  def test_car(self):
+    label = _infer(self.model, car_img)
+    self.assertEqual(label, "sports car, sport car")
+
+class TestViT(unittest.TestCase):
+  @classmethod
+  def setUpClass(cls):
+    cls.model = ViT()
+    cls.model.load_from_pretrained()
+
+  @classmethod
+  def tearDownClass(cls):
+    del cls.model
+
+  def test_chicken(self):
+    label = _infer(self.model, chicken_img)
+    self.assertEqual(label, "cock")
+
+  def test_car(self):
+    label = _infer(self.model, car_img)
+    self.assertEqual(label, "racer, race car, racing car")
+
+class TestResNet(unittest.TestCase):
+  @classmethod
+  def setUpClass(cls):
+    cls.model = ResNet50()
+    cls.model.load_from_pretrained()
+
+  @classmethod
+  def tearDownClass(cls):
+    del cls.model
+
+  def test_chicken(self):
+    label = _infer(self.model, chicken_img)
+    self.assertEqual(label, "hen")
+
+  def test_car(self):
+    label = _infer(self.model, car_img)
+    self.assertEqual(label, "sports car, sport car")
+
+if __name__ == '__main__':
+  unittest.main()