mirror of
https://github.com/chanzuckerberg/cellxgene.git
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20317fd08f
* initial commit of URL support for launch * lint * modify tests to use new data locator * add locator unit tests * fix typo in faq * more lint * update faq per PR review
74 lines
2.9 KiB
Python
74 lines
2.9 KiB
Python
import pytest
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import unittest
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import warnings
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import math
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import decode_fbs
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from server.app.scanpy_engine.scanpy_engine import ScanpyEngine
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from server.app.util.errors import FilterError
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from server.app.util.data_locator import DataLocator
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class NaNTest(unittest.TestCase):
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def setUp(self):
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self.args = {
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"layout": ["umap"],
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"max_category_items": 100,
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"obs_names": None,
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"var_names": None,
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"diffexp_lfc_cutoff": 0.01,
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}
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with warnings.catch_warnings():
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warnings.simplefilter("ignore", category=UserWarning)
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self.data = ScanpyEngine(DataLocator("server/test/test_datasets/nan.h5ad"), self.args)
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self.data._create_schema()
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def test_load(self):
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with self.assertWarns(UserWarning):
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ScanpyEngine(DataLocator("server/test/test_datasets/nan.h5ad"), self.args)
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def test_init(self):
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self.assertEqual(self.data.cell_count, 100)
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self.assertEqual(self.data.gene_count, 100)
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epsilon = 0.000_005
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self.assertTrue(self.data.data.X[0, 0] - -0.171_469_51 < epsilon)
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def test_dataframe(self):
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data_frame_var = decode_fbs.decode_matrix_FBS(self.data.data_frame_to_fbs_matrix(None, "var"))
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self.assertIsNotNone(data_frame_var)
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self.assertEqual(data_frame_var["n_rows"], 100)
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self.assertEqual(data_frame_var["n_cols"], 100)
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self.assertTrue(math.isnan(data_frame_var["columns"][3][3]))
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with pytest.raises(FilterError):
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self.data.data_frame_to_fbs_matrix("an erroneous filter", "var")
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with pytest.raises(FilterError):
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filter_ = {
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"filter": {
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"obs": {"index": [1, 99, [200, 300]]}
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}
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}
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self.data.data_frame_to_fbs_matrix(filter_["filter"], "var")
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def test_dataframe_obs_not_implemented(self):
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with self.assertRaises(ValueError) as cm:
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decode_fbs.decode_matrix_FBS(self.data.data_frame_to_fbs_matrix(None, "obs"))
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self.assertIsNotNone(cm.exception)
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def test_annotation(self):
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annotations = decode_fbs.decode_matrix_FBS(self.data.annotation_to_fbs_matrix("obs"))
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obs_index_col_name = self.data.schema["annotations"]["obs"]["index"]
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self.assertEqual(
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annotations["col_idx"],
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[obs_index_col_name, "n_genes", "percent_mito", "n_counts", "louvain"]
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)
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self.assertEqual(annotations["n_rows"], 100)
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self.assertTrue(math.isnan(annotations["columns"][2][0]))
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annotations = decode_fbs.decode_matrix_FBS(self.data.annotation_to_fbs_matrix("var"))
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var_index_col_name = self.data.schema["annotations"]["var"]["index"]
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self.assertEqual(annotations["col_idx"], [var_index_col_name, "n_cells", "var_with_nans"])
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self.assertEqual(annotations["n_rows"], 100)
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self.assertTrue(math.isnan(annotations["columns"][2][0]))
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