Files
cellxgene/server/test/test_nan_scanpy_engine.py
Bruce Martin 5d60505407 remove --nan-to-num CLI parameter (#548)
* remove --nan-to-num CLI parameter

* factor tests better

* lint - remove unused variables
2019-01-10 15:03:03 -08:00

73 lines
2.8 KiB
Python

import json
import pytest
import unittest
import warnings
import math
import decode_fbs
from server.app.scanpy_engine.scanpy_engine import ScanpyEngine
from server.app.util.errors import JSONEncodingValueError
class NaNTest(unittest.TestCase):
def setUp(self):
self.args = {
"layout": "umap",
"diffexp": "ttest",
"max_category_items": 100,
"obs_names": None,
"var_names": None,
"diffexp_lfc_cutoff": 0.01,
}
with warnings.catch_warnings():
warnings.simplefilter("ignore", category=UserWarning)
self.data = ScanpyEngine("server/test/test_datasets/nan.h5ad", self.args)
self.data._create_schema()
def test_load(self):
with self.assertWarns(UserWarning):
ScanpyEngine("server/test/test_datasets/nan.h5ad", self.args)
def test_init(self):
self.assertEqual(self.data.cell_count, 100)
self.assertEqual(self.data.gene_count, 100)
epsilon = 0.000_005
self.assertTrue(self.data.data.X[0, 0] - -0.171_469_51 < epsilon)
def test_dataframe(self):
data_frame_var = decode_fbs.decode_matrix_FBS(self.data.data_frame_to_fbs_matrix(None, "var"))
self.assertIsNotNone(data_frame_var)
self.assertEqual(data_frame_var["n_rows"], 100)
self.assertEqual(data_frame_var["n_cols"], 100)
self.assertTrue(math.isnan(data_frame_var["columns"][3][3]))
with pytest.raises(JSONEncodingValueError):
json.loads(self.data.data_frame(None, "obs"))
with pytest.raises(JSONEncodingValueError):
json.loads(self.data.data_frame(None, "var"))
def test_dataframe_obs_not_implemented(self):
with self.assertRaises(ValueError) as cm:
decode_fbs.decode_matrix_FBS(self.data.data_frame_to_fbs_matrix(None, "obs"))
self.assertIsNotNone(cm.exception)
def test_annotation(self):
annotations = decode_fbs.decode_matrix_FBS(self.data.annotation_to_fbs_matrix("obs"))
self.assertEqual(
annotations["col_idx"],
["name", "n_genes", "percent_mito", "n_counts", "louvain"]
)
self.assertEqual(annotations["n_rows"], 100)
self.assertTrue(math.isnan(annotations["columns"][2][0]))
annotations = decode_fbs.decode_matrix_FBS(self.data.annotation_to_fbs_matrix("var"))
self.assertEqual(annotations["col_idx"], ["name", "n_cells", "var_with_nans"])
self.assertEqual(annotations["n_rows"], 100)
self.assertTrue(math.isnan(annotations["columns"][2][0]))
with pytest.raises(JSONEncodingValueError):
json.loads(self.data.annotation(None, "obs"))
with pytest.raises(JSONEncodingValueError):
json.loads(self.data.annotation(None, "var"))