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"""Module contains tests for gn3.partial_correlations"""
from unittest import TestCase
from gn3.partial_correlations import (
fix_samples,
control_samples,
dictify_by_samples,
find_identical_traits)
sampleslist = ["B6cC3-1", "BXD1", "BXD12", "BXD16", "BXD19", "BXD2"]
control_traits = (
{
"mysqlid": 36688172,
"data": {
"B6cC3-1": {
"sample_name": "B6cC3-1", "value": 7.51879, "variance": None,
"ndata": None},
"BXD1": {
"sample_name": "BXD1", "value": 7.77141, "variance": None,
"ndata": None},
"BXD12": {
"sample_name": "BXD12", "value": 8.39265, "variance": None,
"ndata": None},
"BXD16": {
"sample_name": "BXD16", "value": 8.17443, "variance": None,
"ndata": None},
"BXD19": {
"sample_name": "BXD19", "value": 8.30401, "variance": None,
"ndata": None},
"BXD2": {
"sample_name": "BXD2", "value": 7.80944, "variance": None,
"ndata": None}}},
{
"mysqlid": 36688172,
"data": {
"B6cC3-21": {
"sample_name": "B6cC3-1", "value": 7.51879, "variance": None,
"ndata": None},
"BXD21": {
"sample_name": "BXD1", "value": 7.77141, "variance": None,
"ndata": None},
"BXD12": {
"sample_name": "BXD12", "value": 8.39265, "variance": None,
"ndata": None},
"BXD16": {
"sample_name": "BXD16", "value": 8.17443, "variance": None,
"ndata": None},
"BXD19": {
"sample_name": "BXD19", "value": 8.30401, "variance": None,
"ndata": None},
"BXD2": {
"sample_name": "BXD2", "value": 7.80944, "variance": None,
"ndata": None}}},
{
"mysqlid": 36688172,
"data": {
"B6cC3-1": {
"sample_name": "B6cC3-1", "value": 7.51879, "variance": None,
"ndata": None},
"BXD1": {
"sample_name": "BXD1", "value": 7.77141, "variance": None,
"ndata": None},
"BXD12": {
"sample_name": "BXD12", "value": None, "variance": None,
"ndata": None},
"BXD16": {
"sample_name": "BXD16", "value": None, "variance": None,
"ndata": None},
"BXD19": {
"sample_name": "BXD19", "value": None, "variance": None,
"ndata": None},
"BXD2": {
"sample_name": "BXD2", "value": 7.80944, "variance": None,
"ndata": None}}})
dictified_control_samples = (
{"B6cC3-1": {"sample_name": "B6cC3-1", "value": 7.51879, "variance": None},
"BXD1": {"sample_name": "BXD1", "value": 7.77141, "variance": None},
"BXD12": {"sample_name": "BXD12", "value": 8.39265, "variance": None},
"BXD16": {"sample_name": "BXD16", "value": 8.17443, "variance": None},
"BXD19": {"sample_name": "BXD19", "value": 8.30401, "variance": None},
"BXD2": {"sample_name": "BXD2", "value": 7.80944, "variance": None}},
{"BXD12": {"sample_name": "BXD12", "value": 8.39265, "variance": None},
"BXD16": {"sample_name": "BXD16", "value": 8.17443, "variance": None},
"BXD19": {"sample_name": "BXD19", "value": 8.30401, "variance": None},
"BXD2": {"sample_name": "BXD2", "value": 7.80944, "variance": None}},
{"B6cC3-1": {"sample_name": "B6cC3-1", "value": 7.51879, "variance": None},
"BXD1": {"sample_name": "BXD1", "value": 7.77141, "variance": None},
"BXD2": {"sample_name": "BXD2", "value": 7.80944, "variance": None}})
class TestPartialCorrelations(TestCase):
"""Class for testing partial correlations computation functions"""
def test_control_samples(self):
"""Test that the control_samples works as expected."""
self.assertEqual(
control_samples(control_traits, sampleslist),
((("B6cC3-1", "BXD1", "BXD12", "BXD16", "BXD19", "BXD2"),
("BXD12", "BXD16", "BXD19", "BXD2"),
("B6cC3-1", "BXD1", "BXD2")),
((7.51879, 7.77141, 8.39265, 8.17443, 8.30401, 7.80944),
(8.39265, 8.17443, 8.30401, 7.80944),
(7.51879, 7.77141, 7.80944)),
((None, None, None, None, None, None), (None, None, None, None),
(None, None, None)),
(6, 4, 3)))
def test_dictify_by_samples(self):
"""
Test that `dictify_by_samples` generates the appropriate dict
Given:
a sequence of sequences with sample names, values and variances, as
in the output of `gn3.partial_correlations.control_samples` or
the output of `gn3.db.traits.export_informative`
When:
the sequence is passed as an argument into the
`gn3.partial_correlations.dictify_by_sample`
Then:
return a sequence of dicts with keys being the values of the sample
names, and each of who's values being sub-dicts with the keys
'sample_name', 'value' and 'variance' whose values correspond to the
values passed in.
"""
self.assertEqual(
dictify_by_samples(
((("B6cC3-1", "BXD1", "BXD12", "BXD16", "BXD19", "BXD2"),
("BXD12", "BXD16", "BXD19", "BXD2"),
("B6cC3-1", "BXD1", "BXD2")),
((7.51879, 7.77141, 8.39265, 8.17443, 8.30401, 7.80944),
(8.39265, 8.17443, 8.30401, 7.80944),
(7.51879, 7.77141, 7.80944)),
((None, None, None, None, None, None), (None, None, None, None),
(None, None, None)),
(6, 4, 3))),
dictified_control_samples)
def test_fix_samples(self):
"""
Test that `fix_samples` returns only the common samples
Given:
- A primary trait
- A sequence of control samples
When:
- The two arguments are passed to `fix_samples`
Then:
- Only the names of the samples present in the primary trait that
are also present in ALL the control traits are present in the
return value
- Only the values of the samples present in the primary trait that
are also present in ALL the control traits are present in the
return value
- ALL the values for ALL the control traits are present in the
return value
- Only the variances of the samples present in the primary trait
that are also present in ALL the control traits are present in the
return value
- ALL the variances for ALL the control traits are present in the
return value
- The return value is a tuple of the above items, in the following
order:
((sample_names, ...), (primary_trait_values, ...),
(control_traits_values, ...), (primary_trait_variances, ...)
(control_traits_variances, ...))
"""
self.assertEqual(
fix_samples(
{"B6cC3-1": {"sample_name": "B6cC3-1", "value": 7.51879,
"variance": None},
"BXD1": {"sample_name": "BXD1", "value": 7.77141,
"variance": None},
"BXD2": {"sample_name": "BXD2", "value": 7.80944,
"variance": None}},
dictified_control_samples),
(("BXD2",), (7.80944,),
(7.51879, 7.77141, 8.39265, 8.17443, 8.30401, 7.80944, 8.39265,
8.17443, 8.30401, 7.80944, 7.51879, 7.77141, 7.80944),
(None,),
(None, None, None, None, None, None, None, None, None, None, None,
None, None)))
def test_find_identical_traits(self):
"""
Test `gn3.partial_correlations.find_identical_traits`.
Given:
- the name of a primary trait
- the value of a primary trait
- a sequence of names of control traits
- a sequence of values of control traits
When:
- the arguments above are passed to the `find_identical_traits`
function
Then:
- Return ALL trait names that have the same value when up to three
decimal places are considered
"""
for primn, primv, contn, contv, expected in (
("pt", 12.98395, ("ct0", "ct1", "ct2"),
(0.1234, 2.3456, 3.4567), tuple()),
("pt", 12.98395, ("ct0", "ct1", "ct2"),
(12.98354, 2.3456, 3.4567), ("pt", "ct0")),
("pt", 12.98395, ("ct0", "ct1", "ct2", "ct3"),
(0.1234, 2.3456, 0.1233, 4.5678), ("ct0", "ct2"))
):
with self.subTest(
primary_name=primn, primary_value=primv,
control_names=contn, control_values=contv):
self.assertEqual(
find_identical_traits(primn, primv, contn, contv), expected)
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