def test_heterogeneous_collections(self):
"""Test detecton of heterogeneous collections.
Check is done in __init__, so it is sufficient to initialize
RNATables with an appropriate collection.
"""
# Different processes
data2 = MagicMock()
data2.id = 12345
data2.process.slug = "process-slug2"
data2.output.__getitem__.side_effect = {"source": "ENSEMBL"}.__getitem__
self.collection.data.filter = self.web_request([self.data, data2])
with self.assertRaisesRegex(ValueError, r"Expressions of all samples.*"):
RNATables(self.collection)
# Different source
data2 = MagicMock()
data2.id = 12345
data2.process.slug = "process-slug"
data2.output.__getitem__.side_effect = {"source": "GENCODE"}.__getitem__
self.collection.data.filter = self.web_request([self.data, data2])
with self.assertRaisesRegex(ValueError, r"Alignment of all samples.*"):
RNATables(self.collection)
def test_id_to_symbol(self, mapping_mock):
mapping_mock.side_effect = self.web_request(self.gene_map)
ct = RNATables(self.collection)
with self.assertRaises(ValueError):
mapping = ct.id_to_symbol
ct = RNATables(self.collection)
ct.gene_ids = ["ENSG001", "ENSG002", "ENSG003"]
t = time()
mapping = ct.id_to_symbol
self.assertTrue(time() - t > 0.1)
mapping_mock.assert_called_with(
["ENSG001", "ENSG002", "ENSG003"], "ENSEMBL", "H**o sapiens"
)
self.assertIs(mapping, self.gene_map)
# test if use case works
new_exp = self.expressions_df.rename(columns=ct.id_to_symbol)
self.assertListEqual(new_exp.columns.tolist(), ["GA", "GB", "GC"])
# use cache
t = time()
mapping = ct.id_to_symbol
self.assertTrue(time() - t < 0.1)
self.assertIs(mapping, self.gene_map)
def test_get_descriptors(self):
ct = RNATables(self.collection)
descriptors = ct._get_descriptors()
expected = pd.DataFrame([1], columns=["PFS"], index=[123], dtype=float)
expected.index.name = "sample_id"
assert_frame_equal(descriptors, expected)
def test_get_relations(self):
ct = RNATables(self.collection)
relations = ct._get_relations()
expected = pd.DataFrame(["L1"], columns=["Category"], index=[123])
expected.index.name = "sample_id"
assert_frame_equal(relations, expected)
def setUp(self):
self.cache_dir = tempfile.mkdtemp()
self.test_server_url = "https://app.genialis.com"
self.test_collection_slug = "resdk-test-collection-tables"
self.res = resdk.Resolwe(
url=self.test_server_url, username="******", password="******"
)
self.collection = self.res.collection.get(self.test_collection_slug)
self.ct = RNATables(self.collection, cache_dir=self.cache_dir)
def test_init(self, exists_mock):
ct = RNATables(self.collection)
self.assertIs(ct.collection, self.collection)
self.assertEqual(ct.cache_dir, "/tmp/resdk/")
exists_mock.assert_called_with("/tmp/resdk/")
# using different cache dir
ct = RNATables(self.collection, cache_dir="/tmp/cache_dir/")
self.assertEqual(ct.cache_dir, "/tmp/cache_dir/")
exists_mock.assert_called_with("/tmp/cache_dir/")
def test_get_orange_data(self):
response = MagicMock()
response.content = b"mS#Sample ID\tCol1\n123\t42"
self.collection.resolwe.session.get.return_value = response
self.collection.data.get = self.web_request(self.orange_data)
ct = RNATables(self.collection)
orange_data = ct._get_orange_data()
expected = pd.DataFrame([42], columns=["Col1"], index=[123])
expected.index.name = "sample_id"
assert_frame_equal(orange_data, expected)
def test_get_data_uri(self):
self.data.files.return_value = ["exp_file.csv"]
ct = RNATables(self.collection)
file_url = ct._get_data_uri(self.data, RNATables.EXP)
self.assertEqual(file_url, "12345/exp_file.csv")
self.data.files.return_value = []
with self.assertRaises(LookupError):
file_url = ct._get_data_uri(self.data, RNATables.EXP)
self.data.files.return_value = ["exp_file1.csv", "exp_file2.csv"]
with self.assertRaises(LookupError):
file_url = ct._get_data_uri(self.data, RNATables.EXP)
def test_data_version(self):
ct = RNATables(self.collection)
version = ct._data_version
self.assertEqual(version, str(hash(tuple([12345]))))
# use cache
t = time()
version = ct._data_version
self.assertTrue(time() - t < 0.1)
self.collection.data.filter = MagicMock(return_value=[])
ct = RNATables(self.collection)
with self.assertRaises(ValueError):
version = ct._data_version
def test_qc_version(self):
self.collection.data.filter = self.web_request([self.data])
ct = RNATables(self.collection)
version = ct._qc_version
self.assertEqual(version, str(hash(tuple([12345]))))
# use cache
t = time()
version = ct._qc_version
self.assertTrue(time() - t < 0.1)
self.collection.data.filter = self.web_request([])
ct1 = RNATables(self.collection)
with self.assertRaises(ValueError):
version = ct1._qc_version
def test_caching(self):
# Call rc first time with self.ct to populate the cache
t0 = time.time()
rc1 = self.ct.rc
t1 = time.time() - t0
# Make sure that cache file is created
cache_file = self.ct._cache_file(self.ct.RC)
self.assertTrue(os.path.isfile(cache_file))
# Make new table instance (to prevent loading from memory)
ct2 = RNATables(self.collection, cache_dir=self.cache_dir)
# Call rc second time, with it should load from disk cache
t0 = time.time()
rc2 = ct2.rc
t2 = time.time() - t0
self.assertTrue((rc1 == rc2).all(axis=None))
self.assertTrue(t2 < t1)
# Call rc second time with rc2 to test loading from memory
t0 = time.time()
rc3 = ct2.rc
t3 = time.time() - t0
self.assertTrue((rc2 == rc3).all(axis=None))
self.assertTrue(t3 < t2)
def test_metadata_version(self):
self.collection.samples.get = self.web_request(self.sample)
self.collection.relations.get = self.web_request(self.relation)
self.collection.data.get = self.web_request(self.orange_data)
ct = RNATables(self.collection)
version = ct._metadata_version
self.assertEqual(version, "2020-11-01T12:15:00Z")
# use cache
t = time()
version = ct._metadata_version
self.assertTrue(time() - t < 0.1)
self.collection.samples.get = MagicMock(side_effect=LookupError())
ct1 = RNATables(self.collection)
with self.assertRaises(ValueError):
version = ct1._metadata_version
def test_download_metadata(self, orange_mock, relations_mock, descriptors_mock):
descriptors_mock.return_value = self.metadata_df
relations_mock.return_value = pd.DataFrame(
[["A"]], index=[123], columns=["Replicate"]
)
orange_mock.return_value = pd.DataFrame(
[["X"]], index=[123], columns=["Clinical"]
)
ct = RNATables(self.collection)
meta = ct._download_metadata()
expected_content = [[0, "A", "X"]]
expected_columns = ["PFS", "Replicate", "Clinical"]
expected_meta = pd.DataFrame(
expected_content, columns=expected_columns, index=[123]
)
expected_meta.index.name = "sample_id"
assert_frame_equal(meta, expected_meta)
def test_download_mapping(self):
def create_feature(fid, name):
m = MagicMock(feature_id=fid)
# name can't be set on initialization
m.name = name
return m
self.resolwe.feature.filter.return_value = [
create_feature(fid, name) for fid, name in self.gene_map.items()
]
ct = RNATables(self.collection)
mapping = ct._download_mapping(
["ENSG001", "ENSG002", "ENSG003"], "ENSEMBL", "H**o sapiens"
)
self.resolwe.feature.filter.assert_called_once()
self.resolwe.feature.filter.assert_called_once_with(
source="ENSEMBL",
species="H**o sapiens",
feature_id__in=["ENSG001", "ENSG002", "ENSG003"],
)
self.assertDictEqual(mapping, self.gene_map)
def test_meta(self, load_mock):
load_mock.side_effect = self.web_request(self.metadata_df)
ct = RNATables(self.collection)
t = time()
meta = ct.meta
self.assertTrue(time() - t > 0.1)
self.assertIs(meta, self.metadata_df)
load_mock.assert_called_with(RNATables.META)
# use cache
t = time()
meta = ct.meta
self.assertTrue(time() - t < 0.1)
self.assertIs(meta, self.metadata_df)
def test_mapping(self, download_mock, save_mock, load_mock):
load_mock.return_value = None
download_mock.return_value = self.gene_map
ct = RNATables(self.collection)
mapping = ct._mapping(
["ENSG001", "ENSG002", "ENSG003"], "ENSEMBL", "H**o sapiens"
)
self.assertDictEqual(mapping, self.gene_map)
self.assertListEqual(
sorted(download_mock.call_args[0][0]), ["ENSG001", "ENSG002", "ENSG003"]
)
save_mock.assert_called_with(
self.gene_map, "/tmp/resdk/ENSEMBL_Homo sapiens.pickle", override=True
)
# download only missing values
download_mock.reset_mock()
load_mock.return_value = {"ENSG002": "GB", "ENSG003": "GC"}
mapping = ct._mapping(
["ENSG001", "ENSG002", "ENSG003"], "ENSEMBL", "H**o sapiens"
)
self.assertDictEqual(mapping, self.gene_map)
self.assertListEqual(sorted(download_mock.call_args[0][0]), ["ENSG001"])
def test_rc(self, load_mock):
load_mock.side_effect = self.web_request(self.expressions_df)
ct = RNATables(self.collection)
t = time()
rc = ct.rc
self.assertTrue(time() - t > 0.1)
self.assertIs(rc, self.expressions_df)
load_mock.assert_called_with(RNATables.RC)
self.assertListEqual(ct.gene_ids, ["ENSG001", "ENSG002", "ENSG003"])
# use cache
t = time()
rc = ct.rc
self.assertTrue(time() - t < 0.1)
self.assertIs(rc, self.expressions_df)
def test_qc(self, load_mock):
qc_df = pd.DataFrame(
[[None, 30], [12, 42]],
index=["0", "1"],
columns=["total_read_count_raw", "total_read_count_trimmed"],
)
load_mock.side_effect = self.web_request(qc_df)
ct = RNATables(self.collection)
t = time()
meta = ct.meta
self.assertTrue(time() - t > 0.1)
self.assertIs(meta, qc_df)
load_mock.assert_called_with(RNATables.META)
# use cache
t = time()
meta = ct.meta
self.assertTrue(time() - t < 0.1)
self.assertIs(meta, qc_df)
def test_load_fetch(self, data_mock, meta_mock, save_mock, load_mock):
data_mock.return_value = self.expressions_df
meta_mock.return_value = self.metadata_df
load_mock.return_value = None
self.collection.samples.get = self.web_request(self.sample)
self.collection.relations.get = self.web_request(self.relation)
self.collection.data.get = self.web_request(self.orange_data)
ct = RNATables(self.collection)
data = ct._load_fetch(RNATables.META)
self.assertIs(data, self.metadata_df)
save_mock.assert_called_with(
self.metadata_df,
"/tmp/resdk/slug_meta_None_None_2020-11-01T12:15:00Z.pickle",
)
save_mock.reset_mock()
data = ct._load_fetch(RNATables.EXP)
self.assertIs(data, self.expressions_df)
data_mock.assert_called_with(RNATables.EXP)
save_mock.assert_called_with(
self.expressions_df,
f"/tmp/resdk/slug_exp_None_None_{str(hash((12345,)))}.pickle",
)
data_mock.reset_mock()
save_mock.reset_mock()
data = ct._load_fetch(RNATables.RC)
self.assertIs(data, self.expressions_df)
data_mock.assert_called_with(RNATables.RC)
save_mock.assert_called_with(
self.expressions_df,
f"/tmp/resdk/slug_rc_None_None_{str(hash((12345,)))}.pickle",
)
data_mock.reset_mock()
load_mock.return_value = self.expressions_df
data = ct._load_fetch(RNATables.EXP)
self.assertIs(data, self.expressions_df)
data_mock.assert_not_called()
def test_clear_cache(self, clear_mock):
RNATables.clear_cache()
clear_mock.assert_called()
class TestTables(BaseResdkFunctionalTest):
def setUp(self):
self.cache_dir = tempfile.mkdtemp()
self.test_server_url = "https://app.genialis.com"
self.test_collection_slug = "resdk-test-collection-tables"
self.res = resdk.Resolwe(
url=self.test_server_url, username="******", password="******"
)
self.collection = self.res.collection.get(self.test_collection_slug)
self.ct = RNATables(self.collection, cache_dir=self.cache_dir)
def tearDown(self):
shutil.rmtree(self.cache_dir)
def test_meta(self):
self.assertEqual(self.ct.meta.shape, (8, 9))
self.assertIn(39000, self.ct.meta.index)
self.assertIn("general.species", self.ct.meta.columns)
def test_qc(self):
self.assertEqual(self.ct.qc.shape, (8, 12))
self.assertIn(39000, self.ct.qc.index)
self.assertIn("total_read_count_raw", self.ct.qc.columns)
self.assertEqual(int(self.ct.qc.loc[39000, "total_read_count_raw"]), 42738650)
def test_rc(self):
self.assertEqual(self.ct.rc.shape, (8, 58487))
self.assertIn(39000, self.ct.rc.index)
self.assertIn("ENSG00000000003", self.ct.rc.columns)
self.assertEqual(self.ct.rc.iloc[0, 0], 792)
self.assertIsInstance(self.ct.rc.iloc[0, 0], np.int64)
def test_exp(self):
self.assertEqual(self.ct.exp.shape, (8, 58487))
self.assertIn(39000, self.ct.exp.index)
self.assertIn("ENSG00000000003", self.ct.exp.columns)
self.assertAlmostEqual(self.ct.exp.iloc[0, 0], 19.447467, places=3)
self.assertIsInstance(self.ct.exp.iloc[0, 0], np.float64)
def test_consistent_index(self):
self.assertTrue(all(self.ct.exp.index == self.ct.meta.index))
self.assertTrue(all(self.ct.rc.index == self.ct.meta.index))
def test_caching(self):
# Call rc first time with self.ct to populate the cache
t0 = time.time()
rc1 = self.ct.rc
t1 = time.time() - t0
# Make sure that cache file is created
cache_file = self.ct._cache_file(self.ct.RC)
self.assertTrue(os.path.isfile(cache_file))
# Make new table instance (to prevent loading from memory)
ct2 = RNATables(self.collection, cache_dir=self.cache_dir)
# Call rc second time, with it should load from disk cache
t0 = time.time()
rc2 = ct2.rc
t2 = time.time() - t0
self.assertTrue((rc1 == rc2).all(axis=None))
self.assertTrue(t2 < t1)
# Call rc second time with rc2 to test loading from memory
t0 = time.time()
rc3 = ct2.rc
t3 = time.time() - t0
self.assertTrue((rc2 == rc3).all(axis=None))
self.assertTrue(t3 < t2)
def test_get_orange_object(self):
# Orange Data is found ad-hoc
self.collection.data.get = self.web_request(self.orange_data)
ct = RNATables(self.collection)
obj = ct._get_orange_object()
self.assertEqual(obj, self.orange_data)
