Ejemplo n.º 1
0
def test_saving_and_loading(save_path):
    def test_save_load_model(cls, adata, save_path):
        model = cls(adata, latent_distribution="normal")
        model.train(1, train_size=0.2)
        z1 = model.get_latent_representation(adata)
        test_idx1 = model.validation_indices
        model.save(save_path, overwrite=True, save_anndata=True)
        model = cls.load(save_path)
        model.get_latent_representation()
        tmp_adata = scvi.data.synthetic_iid(n_genes=200)
        with pytest.raises(ValueError):
            cls.load(save_path, tmp_adata)
        model = cls.load(save_path, adata)
        z2 = model.get_latent_representation()
        test_idx2 = model.validation_indices
        np.testing.assert_array_equal(z1, z2)
        np.testing.assert_array_equal(test_idx1, test_idx2)
        assert model.is_trained is True

    save_path = os.path.join(save_path, "tmp")
    adata = synthetic_iid()

    for cls in [SCVI, LinearSCVI, TOTALVI]:
        print(cls)
        test_save_load_model(cls, adata, save_path)

    # AUTOZI
    model = AUTOZI(adata, latent_distribution="normal")
    model.train(1, train_size=0.5)
    ab1 = model.get_alphas_betas()
    model.save(save_path, overwrite=True, save_anndata=True)
    model = AUTOZI.load(save_path)
    model.get_latent_representation()
    tmp_adata = scvi.data.synthetic_iid(n_genes=200)
    with pytest.raises(ValueError):
        AUTOZI.load(save_path, tmp_adata)
    model = AUTOZI.load(save_path, adata)
    ab2 = model.get_alphas_betas()
    np.testing.assert_array_equal(ab1["alpha_posterior"],
                                  ab2["alpha_posterior"])
    np.testing.assert_array_equal(ab1["beta_posterior"], ab2["beta_posterior"])
    assert model.is_trained is True

    # SCANVI
    model = SCANVI(adata, "label_0")
    model.train(max_epochs=1, train_size=0.5)
    p1 = model.predict()
    model.save(save_path, overwrite=True, save_anndata=True)
    model = SCANVI.load(save_path)
    model.get_latent_representation()
    tmp_adata = scvi.data.synthetic_iid(n_genes=200)
    with pytest.raises(ValueError):
        SCANVI.load(save_path, tmp_adata)
    model = SCANVI.load(save_path, adata)
    p2 = model.predict()
    np.testing.assert_array_equal(p1, p2)
    assert model.is_trained is True
Ejemplo n.º 2
0
def test_saving_and_loading(save_path):
    def test_save_load_model(cls, adata, save_path):
        model = cls(adata, latent_distribution="normal")
        model.train(1)
        z1 = model.get_latent_representation(adata)
        test_idx1 = model.test_indices
        model.save(save_path, overwrite=True)
        model = cls.load(adata, save_path)
        z2 = model.get_latent_representation()
        test_idx2 = model.test_indices
        np.testing.assert_array_equal(z1, z2)
        np.testing.assert_array_equal(test_idx1, test_idx2)
        assert model.is_trained is True

    save_path = os.path.join(save_path, "tmp")
    adata = synthetic_iid()

    for cls in [SCVI, LinearSCVI, TOTALVI]:
        print(cls)
        test_save_load_model(cls, adata, save_path)

    # AUTOZI
    model = AUTOZI(adata, latent_distribution="normal")
    model.train(1)
    ab1 = model.get_alphas_betas()
    model.save(save_path, overwrite=True)
    model = AUTOZI.load(adata, save_path)
    ab2 = model.get_alphas_betas()
    np.testing.assert_array_equal(ab1["alpha_posterior"],
                                  ab2["alpha_posterior"])
    np.testing.assert_array_equal(ab1["beta_posterior"], ab2["beta_posterior"])
    assert model.is_trained is True

    # SCANVI
    model = SCANVI(adata, "undefined_0")
    model.train(n_epochs_unsupervised=1, n_epochs_semisupervised=1)
    p1 = model.predict()
    model.save(save_path, overwrite=True)
    model = SCANVI.load(adata, save_path)
    p2 = model.predict()
    np.testing.assert_array_equal(p1, p2)
    assert model.is_trained is True

    # GIMVI
    model = GIMVI(adata, adata)
    model.train(1)
    z1 = model.get_latent_representation([adata])
    z2 = model.get_latent_representation([adata])
    np.testing.assert_array_equal(z1, z2)
    model.save(save_path, overwrite=True)
    model = GIMVI.load(adata, adata, save_path)
    z2 = model.get_latent_representation([adata])
    np.testing.assert_array_equal(z1, z2)
    assert model.is_trained is True