"""module contains tests from datasets""" import json from unittest import TestCase from unittest import mock from collections import namedtuple from gn3.computations.datasets import retrieve_trait_sample_data from gn3.computations.datasets import get_query_for_dataset_sample from gn3.computations.datasets import fetch_from_db_sample_data from gn3.computations.datasets import create_dataset from gn3.computations.datasets import dataset_creator_store from gn3.computations.datasets import dataset_type_getter from gn3.computations.datasets import fetch_dataset_type_from_gn2_api from gn3.computations.datasets import fetch_dataset_sample_id from gn3.computations.datasets import divide_into_chunks from gn3.computations.datasets import get_traits_data class TestDatasets(TestCase): """class contains tests for datasets""" @mock.patch("gn3.computations.datasets.fetch_from_db_sample_data") def test_retrieve_trait_sample_data(self, mock_fetch_sample_results): """test retrieving sample data\ for trait from the dataset""" trait_name = "1419792_at" dataset_id = "HC_M2_0606_P&" dataset_type = "Publish" dataset = { "id": dataset_id, "type": dataset_type, "name": dataset_id } fetch_results = [('BXD32', 8.001, None, None, 'BXD32')] mock_fetch_sample_results.return_value = fetch_results results = retrieve_trait_sample_data( dataset, trait_name) self.assertEqual(mock_fetch_sample_results.call_count, 1) self.assertEqual(results, fetch_results) def test_query_for_dataset_sample(self): """test for getting query for sample data""" no_results = get_query_for_dataset_sample("does not exists") query_exists = get_query_for_dataset_sample("Publish") self.assertEqual(no_results, None) self.assertIsInstance(query_exists, str) def test_fetch_from_db_sample_data(self): """test for function that fetches sample\ results from the database""" database_results = [('BXD31', 8.001, None, None, 'BXD31'), ('BXD32', 7.884, None, None, 'BXD32'), ('BXD42', 7.682, None, None, 'BXD42'), ('BXD42', 7.682, None, None, 'BXD42'), ('BXD40', 7.945, None, None, 'BXD40'), ('BXD43', 7.873, None, None, 'BXD43') ] database = mock.Mock() db_cursor = mock.Mock() db_cursor.execute.return_value = 6 db_cursor.fetchall.return_value = database_results database.cursor.return_value = db_cursor mock_pheno_query = """ SELECT Strain.Name, PublishData.value, PublishSE.error,NStrain.count, Strain.Name2 WHERE PublishXRef.InbredSetId = PublishFreeze.InbredSetId AND PublishData.Id = PublishXRef.DataId AND PublishXRef.Id = 1419792_at AND PublishFreeze.Id = '12' AND PublishData.StrainId = Strain.Id Order BY Strain.Name """ fetch_results = fetch_from_db_sample_data(mock_pheno_query, database) self.assertEqual(fetch_results, database_results) @mock.patch("gn3.computations.datasets.dataset_creator_store") @mock.patch("gn3.computations.datasets.dataset_type_getter") def test_create_dataset(self, mock_dataset_type, mock_store): """test function that creates/fetches required dataset\ can either be published phenotype,genotype,Microarray or\ user defined ->Temp""" probe_name = "HC_M2_0606_P" probe_type = "ProbeSet" mock_dataset_creator = namedtuple( 'ProbeSet', ["dataset_name", "dataset_type"]) mock_store.return_value = mock_dataset_creator mock_dataset_type.return_value = probe_type dataset = create_dataset( dataset_type=None, dataset_name=probe_name) self.assertEqual(dataset.dataset_name, probe_name) self.assertEqual(dataset.dataset_type, probe_type) def test_dataset_creator_store(self): """test for functions that actual function to create differerent \ datasets""" results = dataset_creator_store("ProbeSet") self.assertTrue(results) def test_dataset_type_getter(self): """test for fetching type of dataset given\ the dataset name""" redis_instance = mock.Mock() # found in redis redis_instance.get.return_value = "ProbeSet" results = dataset_type_getter("HC_M2_0_P", redis_instance) self.assertEqual(results, "ProbeSet") @mock.patch("gn3.computations.datasets.requests") def test_fetch_dataset_type_from_gn2_api(self, mock_request): """test for function that test fetching\ all datasets from gn2 api in order to store\ in redis""" expected_json_results = {"datasets": { "arabidopsis": { "BayXSha": { "Genotypes": [ [ "None", "BayXShaGeno", "BayXSha Genotypes" ] ], "Phenotypes": [ [ "642", "BayXShaPublish", "BayXSha Published Phenotypes" ] ] } } }} request_results = json.dumps(expected_json_results) mock_request.get.return_value.content = request_results results = fetch_dataset_type_from_gn2_api("HC_M2_0_P") expected_results = { "BayXShaGeno": "Geno", "642": "Publish" } self.assertEqual(expected_results, results) def test_fetch_dataset_sample_id(self): """get from the database the sample\ id if only in the samplelists""" expected_results = {"B6D2F1": 1, "BXD1": 4, "BXD11": 10, "BXD12": 11, "BXD13": 12, "BXD15": 14, "BXD16": 15} database_instance = mock.Mock() database_cursor = mock.Mock() database_cursor.execute.return_value = 5 database_cursor.fetchall.return_value = list(expected_results.items()) database_instance.cursor.return_value = database_cursor strain_list = ["B6D2F1", "BXD1", "BXD11", "BXD12", "BXD13", "BXD16", "BXD15"] results = fetch_dataset_sample_id( samplelist=strain_list, database=database_instance, species="mouse") self.assertEqual(results, expected_results) @mock.patch("gn3.computations.datasets.fetch_from_db_sample_data") @mock.patch("gn3.computations.datasets.divide_into_chunks") def test_get_traits_data(self, mock_divide_into_chunks, mock_fetch_samples): """test for for function to get data\ of traits in dataset""" expected_results = {'AT_DSAFDS': [ 12, 14, 13, 23, 12, 14, 13, 23, 12, 14, 13, 23]} database = mock.Mock() sample_id = [1, 2, 7, 3, 22, 8] mock_divide_into_chunks.return_value = [ [1, 2, 7], [3, 22, 8], [5, 22, 333]] mock_fetch_samples.return_value = ("AT_DSAFDS", 12, 14, 13, 23) results = get_traits_data(sample_id, database, "HC_M2", "Publish") self.assertEqual(expected_results, dict(results)) def test_divide_into_chunks(self): """test for dividing a list into given number of\ chunks for example""" results = divide_into_chunks([1, 2, 7, 3, 22, 8, 5, 22, 333], 3) expected_results = [[1, 2, 7], [3, 22, 8], [5, 22, 333]] self.assertEqual(results, expected_results)