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| import torch | |
| from Bio.PDB.Structure import Structure | |
| from hexviz.attention import (ModelType, get_attention, get_sequences, | |
| get_structure, unidirectional_sum_filtered) | |
| def test_get_structure(): | |
| pdb_id = "1AKE" | |
| structure = get_structure(pdb_id) | |
| assert structure is not None | |
| assert isinstance(structure, Structure) | |
| def test_get_sequences(): | |
| pdb_id = "1AKE" | |
| structure = get_structure(pdb_id) | |
| sequences = get_sequences(structure) | |
| assert sequences is not None | |
| assert len(sequences) == 2 | |
| A, B = sequences | |
| assert A[:3] == ["M", "R", "I"] | |
| def test_get_attention_zymctrl(): | |
| result = get_attention("GGG", model_type=ModelType.ZymCTRL) | |
| assert result is not None | |
| assert result.shape == torch.Size([36,16,3,3]) | |
| def test_get_attention_zymctrl_long_chain(): | |
| structure = get_structure(pdb_code="6A5J") # 13 residues long | |
| sequences = get_sequences(structure) | |
| result = get_attention(sequences[0], model_type=ModelType.ZymCTRL) | |
| assert result is not None | |
| assert result.shape == torch.Size([36,16,13,13]) | |
| def test_get_attention_tape(): | |
| structure = get_structure(pdb_code="6A5J") # 13 residues long | |
| sequences = get_sequences(structure) | |
| result = get_attention(sequences[0], model_type=ModelType.TAPE_BERT) | |
| assert result is not None | |
| assert result.shape == torch.Size([12,12,13,13]) | |
| def test_get_unidirection_sum_filtered(): | |
| # 1 head, 1 layer, 4 residues long attention tensor | |
| attention= torch.tensor([[[[1, 2, 3, 4], | |
| [2, 5, 6, 7], | |
| [3, 6, 8, 9], | |
| [4, 7, 9, 11]]]], dtype=torch.float32) | |
| result = unidirectional_sum_filtered(attention, 0, 0, 0) | |
| assert result is not None | |
| assert len(result) == 10 | |
| attention= torch.tensor([[[[1, 2, 3], | |
| [2, 5, 6], | |
| [4, 7, 91]]]], dtype=torch.float32) | |
| result = unidirectional_sum_filtered(attention, 0, 0, 0) | |
| assert len(result) == 6 | |