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| import statistics | |
| import unittest | |
| import numpy as np | |
| import torch | |
| from sentence_transformers import SentenceTransformer | |
| from encoder_models import SBertEncoder, get_encoder | |
| from utils import get_gpu, slice_embeddings, is_nested_list_of_type, flatten_list, compute_f1, Scores | |
| class TestUtils(unittest.TestCase): | |
| def test_get_gpu(self): | |
| gpu_count = torch.cuda.device_count() | |
| gpu_available = torch.cuda.is_available() | |
| # Test single boolean input | |
| self.assertEqual(get_gpu(True), 0 if gpu_available else "cpu") | |
| self.assertEqual(get_gpu(False), "cpu") | |
| # Test single string input | |
| self.assertEqual(get_gpu("cpu"), "cpu") | |
| self.assertEqual(get_gpu("gpu"), 0 if gpu_available else "cpu") | |
| self.assertEqual(get_gpu("cuda"), 0 if gpu_available else "cpu") | |
| # Test single integer input | |
| self.assertEqual(get_gpu(0), 0 if gpu_available else "cpu") | |
| self.assertEqual(get_gpu(1), 1 if gpu_available else "cpu") | |
| # Test list input with unique elements | |
| self.assertEqual(get_gpu([True, "cpu", 0]), [0, "cpu"] if gpu_available else ["cpu", "cpu", "cpu"]) | |
| # Test list input with duplicate elements | |
| self.assertEqual(get_gpu([0, 0, "gpu"]), [0] if gpu_available else ["cpu", "cpu", "cpu"]) | |
| # Test list input with duplicate elements of different types | |
| self.assertEqual(get_gpu([True, 0, "gpu"]), [0] if gpu_available else ["cpu", "cpu", "cpu"]) | |
| # Test list input with all integers | |
| self.assertEqual(get_gpu(list(range(gpu_count))), | |
| list(range(gpu_count)) if gpu_available else gpu_count * ["cpu"]) | |
| with self.assertRaises(ValueError): | |
| get_gpu("invalid") | |
| with self.assertRaises(ValueError): | |
| get_gpu(torch.cuda.device_count()) | |
| def test_slice_embeddings(self): | |
| embeddings = np.random.rand(10, 5) | |
| num_sentences = [3, 2, 5] | |
| expected_output = [embeddings[:3], embeddings[3:5], embeddings[5:]] | |
| self.assertTrue( | |
| all(np.array_equal(a, b) for a, b in zip(slice_embeddings(embeddings, num_sentences), | |
| expected_output)) | |
| ) | |
| num_sentences_nested = [[2, 1], [3, 4]] | |
| expected_output_nested = [[embeddings[:2], embeddings[2:3]], [embeddings[3:6], embeddings[6:]]] | |
| self.assertTrue( | |
| slice_embeddings(embeddings, num_sentences_nested), expected_output_nested | |
| ) | |
| with self.assertRaises(TypeError): | |
| slice_embeddings(embeddings, "invalid") | |
| def test_is_nested_list_of_type(self): | |
| # Test case: Depth 0, single element matching element_type | |
| self.assertTrue(is_nested_list_of_type("test", str, 0)) | |
| # Test case: Depth 0, single element not matching element_type | |
| self.assertFalse(is_nested_list_of_type("test", int, 0)) | |
| # Test case: Depth 1, list of elements matching element_type | |
| self.assertTrue(is_nested_list_of_type(["apple", "banana"], str, 1)) | |
| # Test case: Depth 1, list of elements not matching element_type | |
| self.assertFalse(is_nested_list_of_type([1, 2, 3], str, 1)) | |
| # Test case: Depth 0 (Wrong), list of elements matching element_type | |
| self.assertFalse(is_nested_list_of_type([1, 2, 3], str, 0)) | |
| # Depth 2 | |
| self.assertTrue(is_nested_list_of_type([[1, 2], [3, 4]], int, 2)) | |
| self.assertTrue(is_nested_list_of_type([['1', '2'], ['3', '4']], str, 2)) | |
| self.assertFalse(is_nested_list_of_type([[1, 2], ["a", "b"]], int, 2)) | |
| # Depth 3 | |
| self.assertFalse(is_nested_list_of_type([[[1], [2]], [[3], [4]]], list, 3)) | |
| self.assertTrue(is_nested_list_of_type([[[1], [2]], [[3], [4]]], int, 3)) | |
| with self.assertRaises(ValueError): | |
| is_nested_list_of_type([1, 2], int, -1) | |
| def test_flatten_list(self): | |
| self.assertEqual(flatten_list([1, [2, 3], [[4], 5]]), [1, 2, 3, 4, 5]) | |
| self.assertEqual(flatten_list([]), []) | |
| self.assertEqual(flatten_list([1, 2, 3]), [1, 2, 3]) | |
| self.assertEqual(flatten_list([[[[1]]]]), [1]) | |
| def test_compute_f1(self): | |
| self.assertAlmostEqual(compute_f1(0.5, 0.5), 0.5) | |
| self.assertAlmostEqual(compute_f1(1, 0), 0.0) | |
| self.assertAlmostEqual(compute_f1(0, 1), 0.0) | |
| self.assertAlmostEqual(compute_f1(1, 1), 1.0) | |
| def test_scores(self): | |
| scores = Scores(precision=0.8, recall=[0.7, 0.9]) | |
| self.assertAlmostEqual(scores.f1, compute_f1(0.8, statistics.fmean([0.7, 0.9]))) | |
| class TestSBertEncoder(unittest.TestCase): | |
| def setUp(self, device=None): | |
| if device is None: | |
| self.device = torch.device("cuda" if torch.cuda.is_available() else "cpu") | |
| else: | |
| self.device = device | |
| self.model_name = "stsb-roberta-large" | |
| self.batch_size = 8 | |
| self.verbose = False | |
| self.encoder = SBertEncoder(self.model_name, self.device, self.batch_size, self.verbose) | |
| def test_initialization(self): | |
| self.assertIsInstance(self.encoder.model, SentenceTransformer) | |
| self.assertEqual(self.encoder.device, self.device) | |
| self.assertEqual(self.encoder.batch_size, self.batch_size) | |
| self.assertEqual(self.encoder.verbose, self.verbose) | |
| def test_encode_single_device(self): | |
| sentences = ["This is a test sentence.", "Here is another sentence."] | |
| embeddings = self.encoder.encode(sentences) | |
| self.assertIsInstance(embeddings, np.ndarray) | |
| self.assertEqual(embeddings.shape[0], len(sentences)) | |
| self.assertEqual(embeddings.shape[1], self.encoder.model.get_sentence_embedding_dimension()) | |
| def test_encode_multi_device(self): | |
| if torch.cuda.device_count() < 2: | |
| self.skipTest("Multi-GPU test requires at least 2 GPUs.") | |
| else: | |
| devices = ["cuda:0", "cuda:1"] | |
| self.setUp(devices) | |
| sentences = ["This is a test sentence.", "Here is another sentence.", "This is a test sentence."] | |
| embeddings = self.encoder.encode(sentences) | |
| self.assertIsInstance(embeddings, np.ndarray) | |
| self.assertEqual(embeddings.shape[0], 3) | |
| self.assertEqual(embeddings.shape[1], self.encoder.model.get_sentence_embedding_dimension()) | |
| class TestGetEncoder(unittest.TestCase): | |
| def test_get_sbert_encoder(self): | |
| model_name = "stsb-roberta-large" | |
| device = torch.device("cuda" if torch.cuda.is_available() else "cpu") | |
| batch_size = 8 | |
| verbose = False | |
| encoder = get_encoder(model_name, device, batch_size, verbose) | |
| self.assertIsInstance(encoder, SBertEncoder) | |
| self.assertEqual(encoder.device, device) | |
| self.assertEqual(encoder.batch_size, batch_size) | |
| self.assertEqual(encoder.verbose, verbose) | |
| def test_get_use_encoder(self): | |
| model_name = "use" | |
| device = torch.device("cuda" if torch.cuda.is_available() else "cpu") | |
| batch_size = 8 | |
| verbose = False | |
| encoder = get_encoder(model_name, device, batch_size, verbose) | |
| self.assertIsInstance(encoder, SBertEncoder) # SBertEncoder is returned for "use" for now | |
| # Uncomment below when implementing USE class | |
| # self.assertIsInstance(encoder, USE) | |
| # self.assertEqual(encoder.model_name, model_name) | |
| # self.assertEqual(encoder.device, device) | |
| # self.assertEqual(encoder.batch_size, batch_size) | |
| # self.assertEqual(encoder.verbose, verbose) | |
| if __name__ == '__main__': | |
| unittest.main() | |