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cellxgene/server/test/test_fbs.py
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bmccandless 907cc634f5 server refactor (#1140)
This PR contains a refactoring to make adding new features easier.

The new features include supporting the tiledb format, and the multi dataset application.

The refactoring includes

Simplifying the directory structure and files.
a class structure to handle annotations (currently one type: AnnotationsLocalFile).
a class to handle application configuration
a class structure to handle matrix data (currently AnndataAdaptor and CxgAdaptor). CxgAdaptor uses tiledb.
Algorithms that were previously dependent on the scanpy anndata object are now generalized to work with an abstract interface.
The multi dataset option is not fully supported yet, and so the option to use it is hidden.
Use "cli launch --dataroot ..."
To access this feature.

All combinations of app single dataset/ app multi dataset and AnndataAdaptor/CxgAdaptor work with all the features, such as annotations, ontologies, diffexp.
2020-02-19 10:22:35 -08:00

83 lines
3.5 KiB
Python

import unittest
import pandas as pd
import numpy as np
from scipy import sparse
import decode_fbs
from server.data_common.fbs.matrix import encode_matrix_fbs, decode_matrix_fbs
class FbsTests(unittest.TestCase):
"""Test Case for Matrix FBS data encode/decode """
def test_encode_boundary(self):
""" test various boundary checks """
# row indexing is unsupported
with self.assertRaises(ValueError):
encode_matrix_fbs(matrix=pd.DataFrame(), row_idx=[])
# matrix must be 2D
with self.assertRaises(ValueError):
encode_matrix_fbs(matrix=np.zeros((3, 2, 1)))
with self.assertRaises(ValueError):
encode_matrix_fbs(matrix=np.ones((10,)))
def fbs_checks(self, fbs, dims, expected_types, expected_column_idx):
d = decode_fbs.decode_matrix_FBS(fbs)
self.assertEqual(d["n_rows"], dims[0])
self.assertEqual(d["n_cols"], dims[1])
self.assertIsNone(d["row_idx"])
self.assertEqual(len(d["columns"]), dims[1])
for i in range(0, len(d["columns"])):
self.assertEqual(len(d["columns"][i]), dims[0])
self.assertIsInstance(d["columns"][i], expected_types[i][0])
if expected_types[i][1] is not None:
self.assertEqual(d["columns"][i].dtype, expected_types[i][1])
if expected_column_idx is not None:
self.assertSetEqual(set(expected_column_idx), set(d["col_idx"]))
def test_encode_DataFrame(self):
df = pd.DataFrame(
data={
"a": np.zeros((10,), dtype=np.float32),
"b": np.ones((10,), dtype=np.int64),
"c": np.array([i for i in range(0, 10)], dtype=np.uint16),
"d": pd.Series(["x", "y", "z", "x", "y", "z", "a", "x", "y", "z"], dtype="category"),
}
)
expected_types = ((np.ndarray, np.float32), (np.ndarray, np.int32), (np.ndarray, np.uint32), (list, None))
fbs = encode_matrix_fbs(matrix=df, row_idx=None, col_idx=df.columns)
self.fbs_checks(fbs, (10, 4), expected_types, ["a", "b", "c", "d"])
def test_encode_ndarray(self):
arr = np.zeros((3, 2), dtype=np.float32)
expected_types = ((np.ndarray, np.float32), (np.ndarray, np.float32), (np.ndarray, np.float32))
fbs = encode_matrix_fbs(matrix=arr, row_idx=None, col_idx=None)
self.fbs_checks(fbs, (3, 2), expected_types, None)
def test_encode_sparse(self):
csc = sparse.csc_matrix(np.array([[0, 1, 2], [3, 0, 4]]))
expected_types = ((np.ndarray, np.int32), (np.ndarray, np.int32), (np.ndarray, np.int32))
fbs = encode_matrix_fbs(matrix=csc, row_idx=None, col_idx=None)
self.fbs_checks(fbs, (2, 3), expected_types, None)
def test_roundtrip(self):
dfSrc = pd.DataFrame(
data={
"a": np.zeros((10,), dtype=np.float32),
"b": np.ones((10,), dtype=np.int64),
"c": np.array([i for i in range(0, 10)], dtype=np.uint16),
"d": pd.Series(["x", "y", "z", "x", "y", "z", "a", "x", "y", "z"], dtype="category"),
}
)
dfDst = decode_matrix_fbs(encode_matrix_fbs(matrix=dfSrc, col_idx=dfSrc.columns))
self.assertEqual(dfSrc.shape, dfDst.shape)
self.assertEqual(set(dfSrc.columns), set(dfDst.columns))
for c in dfSrc.columns:
self.assertTrue(c in dfDst.columns)
if isinstance(dfSrc[c], pd.Series):
self.assertTrue(np.all(dfSrc[c] == dfDst[c]))
else:
self.assertEqual(dfSrc[c], dfDst[c])