import os import pytest import numpy as np from damask import Table @pytest.fixture def default(): """Simple Table.""" x = np.ones((5,13),dtype=float) return Table(x,{'F':(3,3),'v':(3,),'s':(1,)},['test data','contains only ones']) @pytest.fixture def reference_dir(reference_dir_base): """Directory containing reference results.""" return os.path.join(reference_dir_base,'Table') class TestTable: def test_get_scalar(self,default): d = default.get('s') assert np.allclose(d,1.0) and d.shape[1:] == (1,) def test_get_vector(self,default): d = default.get('v') assert np.allclose(d,1.0) and d.shape[1:] == (3,) def test_get_tensor(self,default): d = default.get('F') assert np.allclose(d,1.0) and d.shape[1:] == (3,3) def test_get_component(self,default): d = default.get('5_F') assert np.allclose(d,1.0) and d.shape[1:] == (1,) def test_write_read_str(self,default,tmpdir): default.to_ASCII(str(tmpdir.join('default.txt'))) new = Table.from_ASCII(str(tmpdir.join('default.txt'))) assert all(default.data==new.data) def test_write_read_file(self,default,tmpdir): with open(tmpdir.join('default.txt'),'w') as f: default.to_ASCII(f) with open(tmpdir.join('default.txt')) as f: new = Table.from_ASCII(f) assert all(default.data==new.data) def test_read_ang_str(self,reference_dir): new = Table.from_ang(os.path.join(reference_dir,'simple.ang')) assert new.data.shape == (4,10) and \ new.labels == ['eu', 'pos', 'IQ', 'CI', 'ID', 'intensity', 'fit'] def test_read_ang_file(self,reference_dir): f = open(os.path.join(reference_dir,'simple.ang')) new = Table.from_ang(f) assert new.data.shape == (4,10) and \ new.labels == ['eu', 'pos', 'IQ', 'CI', 'ID', 'intensity', 'fit'] @pytest.mark.parametrize('fname',['datatype-mix.txt','whitespace-mix.txt']) def test_read_strange(self,reference_dir,fname): with open(os.path.join(reference_dir,fname)) as f: Table.from_ASCII(f) def test_set(self,default): default.set('F',np.zeros((5,3,3)),'set to zero') d=default.get('F') assert np.allclose(d,0.0) and d.shape[1:] == (3,3) def test_labels(self,default): assert default.labels == ['F','v','s'] def test_add(self,default): d = np.random.random((5,9)) default.add('nine',d,'random data') assert np.allclose(d,default.get('nine')) def test_rename_equivalent(self): x = np.random.random((5,13)) t = Table(x,{'F':(3,3),'v':(3,),'s':(1,)},['random test data']) s = t.get('s') t.rename('s','u') u = t.get('u') assert np.all(s == u) def test_rename_gone(self,default): default.rename('v','V') with pytest.raises(KeyError): default.get('v') def test_delete(self,default): default.delete('v') with pytest.raises(KeyError): default.get('v') def test_invalid_initialization(self): x = np.random.random((5,10)) with pytest.raises(ValueError): Table(x,{'F':(3,3)}) def test_invalid_set(self,default): x = default.get('v') with pytest.raises(ValueError): default.set('F',x,'does not work') def test_invalid_get(self,default): with pytest.raises(KeyError): default.get('n') def test_sort_scalar(self): x = np.random.random((5,13)) t = Table(x,{'F':(3,3),'v':(3,),'s':(1,)},['random test data']) unsort = t.get('s') t.sort_by('s') sort = t.get('s') assert np.all(np.sort(unsort,0)==sort) def test_sort_component(self): x = np.random.random((5,12)) t = Table(x,{'F':(3,3),'v':(3,)},['random test data']) unsort = t.get('4_F') t.sort_by('4_F') sort = t.get('4_F') assert np.all(np.sort(unsort,0)==sort) def test_sort_revert(self): x = np.random.random((5,12)) t = Table(x,{'F':(3,3),'v':(3,)},['random test data']) t.sort_by('4_F',ascending=False) sort = t.get('4_F') assert np.all(np.sort(sort,0)==sort[::-1,:]) def test_sort(self): t = Table(np.array([[0,1,],[2,1,]]), {'v':(2,)}, ['test data']) t.add('s',np.array(['b','a'])) t.sort_by('s') assert np.all(t.get('1_v') == np.array([2,0]).reshape((2,1)))