diff options
| -rw-r--r-- | wqflask/tests/wqflask/marker_regression/test_plink_mapping.py | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/wqflask/tests/wqflask/marker_regression/test_plink_mapping.py b/wqflask/tests/wqflask/marker_regression/test_plink_mapping.py new file mode 100644 index 00000000..b827fd0f --- /dev/null +++ b/wqflask/tests/wqflask/marker_regression/test_plink_mapping.py @@ -0,0 +1,83 @@ +# test for wqflask/marker_regression/plink_mapping.py +import unittest +from unittest import mock +from wqflask.marker_regression.plink_mapping import build_line_list +from wqflask.marker_regression.plink_mapping import get_samples_from_ped_file +from wqflask.marker_regression.plink_mapping import flat_files +from wqflask.marker_regression.plink_mapping import gen_pheno_txt_file_plink +from wqflask.marker_regression.plink_mapping import parse_plink_output + + +class AttributeSetter: + def __init__(self, obj): + for key, val in obj.items(): + setattr(self, key, val) + + +class TestPlinkMapping(unittest.TestCase): + + def test_build_line_list(self): + line_1 = "this is line one test" + irregular_line = " this is an, irregular line " + exp_line1 = ["this", "is", "line", "one", "test"] + + results = build_line_list(irregular_line) + self.assertEqual(exp_line1, build_line_list(line_1)) + self.assertEqual([], build_line_list()) + self.assertEqual(["this", "is", "an,", "irregular", "line"], results) + + @mock.patch("wqflask.marker_regression.plink_mapping.flat_files") + def test_get_samples_from_ped_file(self, mock_flat_files): + dataset = AttributeSetter({"group": AttributeSetter({"name": "n_1"})}) + file_sample = """Expected_1\tline test +Expected_2\there + Expected_3\tthree""" + mock_flat_files.return_value = "/home/user/" + with mock.patch("builtins.open", mock.mock_open(read_data=file_sample)) as mock_open: + results = get_samples_from_ped_file(dataset) + mock_flat_files.assert_called_once_with("mapping") + mock_open.assert_called_once_with("/home/user/n_1.ped", "r") + self.assertEqual( + ["Expected_1", "Expected_2", "Expected_3"], results) + + @mock.patch("wqflask.marker_regression.plink_mapping.TMPDIR", "/home/user/data/") + @mock.patch("wqflask.marker_regression.plink_mapping.get_samples_from_ped_file") + def test_gen_pheno_txt_file_plink(self, mock_samples): + mock_samples.return_value = ["Expected_1", "Expected_2", "Expected_3"] + + trait = AttributeSetter({"name": "TX"}) + dataset = AttributeSetter({"group": AttributeSetter({"name": "n_1"})}) + vals = ["value=K1", "value=K2", "value=K3"] + with mock.patch("builtins.open", mock.mock_open()) as mock_open: + results = gen_pheno_txt_file_plink(this_trait=trait, dataset=dataset, + vals=vals, pheno_filename="ph_file") + mock_open.assert_called_once_with( + "/home/user/data/ph_file.txt", "wb") + filehandler = mock_open() + calls_expected = [mock.call('FID\tIID\tTX\n'), + mock.call('Expected_1\tExpected_1\tK1\nExpected_2\tExpected_2\tK2\nExpected_3\tExpected_3\tK3\n')] + + filehandler.write.assert_has_calls(calls_expected) + + filehandler.close.assert_called_once() + + @mock.patch("wqflask.marker_regression.plink_mapping.TMPDIR", "/home/user/data/") + @mock.patch("wqflask.marker_regression.plink_mapping.build_line_list") + def test_parse_plink_output(self, mock_line_list): + chromosomes = [0, 34, 110, 89, 123, 23, 2] + species = AttributeSetter( + {"name": "S1", "chromosomes": AttributeSetter({"chromosomes": chromosomes})}) + + fake_file = """0 AACCAT T98.6 0.89\n2 AATA B45 0.3\n121 ACG B56.4 NA""" + + mock_line_list.side_effect = [["0", "AACCAT", "T98.6", "0.89"], [ + "2", "AATA", "B45", "0.3"], ["121", "ACG", "B56.4", "NA"]] + # print("sdfsfdf",species.chromosomes) + with mock.patch("builtins.open", mock.mock_open(read_data=fake_file)) as mock_open: + parse_results = parse_plink_output( + output_filename="P1_file", species=species) + mock_open.assert_called_once_with( + "/home/user/data/P1_file.qassoc", "rb") + expected = (2, {'AACCAT': 0.89, 'AATA': 0.3}) + + self.assertEqual(parse_results, expected) |