143 lines
6.6 KiB
Python
143 lines
6.6 KiB
Python
import os
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import pytest
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import numpy as np
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from damask import ConfigMaterial
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from damask import Table
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from damask import Rotation
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from damask import Grid
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@pytest.fixture
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def ref_path(ref_path_base):
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"""Directory containing reference results."""
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return ref_path_base/'ConfigMaterial'
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class TestConfigMaterial:
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@pytest.mark.parametrize('fname',[None,'test.yaml'])
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def test_load_save(self,ref_path,tmp_path,fname):
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reference = ConfigMaterial.load(ref_path/'material.yaml')
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os.chdir(tmp_path)
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if fname is None:
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reference.save()
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new = ConfigMaterial.load('material.yaml')
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else:
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reference.save(fname)
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new = ConfigMaterial.load(fname)
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assert reference == new
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def test_valid_complete(self,ref_path):
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material_config = ConfigMaterial.load(ref_path/'material.yaml')
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assert material_config.is_valid and material_config.is_complete
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def test_invalid_lattice(self,ref_path):
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material_config = ConfigMaterial.load(ref_path/'material.yaml')
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material_config['phase']['Aluminum']['lattice']='fxc'
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assert not material_config.is_valid
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def test_invalid_orientation(self,ref_path):
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material_config = ConfigMaterial.load(ref_path/'material.yaml')
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material_config['material'][0]['constituents'][0]['O']=[0,0,0,0]
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assert not material_config.is_valid
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def test_invalid_fraction(self,ref_path):
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material_config = ConfigMaterial.load(ref_path/'material.yaml')
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material_config['material'][0]['constituents'][0]['v']=.9
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assert not material_config.is_valid
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@pytest.mark.parametrize('item',['homogenization','phase','material'])
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def test_incomplete_missing(self,ref_path,item):
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material_config = ConfigMaterial.load(ref_path/'material.yaml')
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del material_config[item]
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assert not material_config.is_complete
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@pytest.mark.parametrize('item',['O','phase'])
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def test_incomplete_material_constituent(self,ref_path,item):
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material_config = ConfigMaterial.load(ref_path/'material.yaml')
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del material_config['material'][0]['constituents'][0][item]
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assert not material_config.is_complete
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def test_incomplete_material_homogenization(self,ref_path):
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material_config = ConfigMaterial.load(ref_path/'material.yaml')
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del material_config['material'][0]['homogenization']
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assert not material_config.is_complete
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def test_incomplete_homogenization_N_constituents(self,ref_path):
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material_config = ConfigMaterial.load(ref_path/'material.yaml')
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for h in material_config['homogenization'].keys():
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del material_config['homogenization'][h]['N_constituents']
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assert not material_config.is_complete
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def test_incomplete_phase_lattice(self,ref_path):
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material_config = ConfigMaterial.load(ref_path/'material.yaml')
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del material_config['phase']['Aluminum']['lattice']
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assert not material_config.is_complete
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def test_incomplete_wrong_phase(self,ref_path):
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material_config = ConfigMaterial.load(ref_path/'material.yaml')
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new = material_config.material_rename_phase({'Steel':'FeNbC'})
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assert not new.is_complete
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def test_incomplete_wrong_homogenization(self,ref_path):
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material_config = ConfigMaterial.load(ref_path/'material.yaml')
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new = material_config.material_rename_homogenization({'Taylor':'isostrain'})
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assert not new.is_complete
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def test_from_table(self):
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N = np.random.randint(3,10)
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a = np.vstack((np.hstack((np.arange(N),np.arange(N)[::-1])),np.ones(N*2),np.zeros(N*2),np.ones(N*2),np.ones(N*2))).T
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t = Table(a,{'varying':1,'constant':4})
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c = ConfigMaterial.from_table(t,**{'phase':'varying','O':'constant','homogenization':'4_constant'})
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assert len(c['material']) == N
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for i,m in enumerate(c['material']):
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assert m['homogenization'] == 1 and (m['constituents'][0]['O'] == [1,0,1,1]).all()
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@pytest.mark.parametrize('N,n,kw',[
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(1,1,{'phase':'Gold',
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'O':[1,0,0,0],
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'homogenization':'SX'}),
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(3,1,{'phase':'Gold',
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'O':Rotation.from_random(3),
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'homogenization':'SX'}),
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(2,3,{'phase':np.broadcast_to(['a','b','c'],(2,3)),
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'O':Rotation.from_random((2,3)),
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'homogenization':['SX','PX']}),
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])
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def test_material_add(self,kw,N,n):
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m = ConfigMaterial().material_add(**kw)
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assert len(m['material']) == N
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assert len(m['material'][0]['constituents']) == n
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@pytest.mark.parametrize('cell_ensemble_data',[None,'CellEnsembleData'])
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def test_load_DREAM3D(self,ref_path,cell_ensemble_data):
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grain_c = ConfigMaterial.load_DREAM3D(ref_path/'2phase_irregularGrid.dream3d','Grain Data',
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cell_ensemble_data = cell_ensemble_data)
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point_c = ConfigMaterial.load_DREAM3D(ref_path/'2phase_irregularGrid.dream3d',
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cell_ensemble_data = cell_ensemble_data)
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assert point_c.is_valid and grain_c.is_valid and \
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len(point_c['material'])+1 == len(grain_c['material'])
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grain_m = Grid.load_DREAM3D(ref_path/'2phase_irregularGrid.dream3d','FeatureIds').material.flatten()
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point_m = Grid.load_DREAM3D(ref_path/'2phase_irregularGrid.dream3d').material.flatten()
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for i in np.unique(point_m):
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j = int(grain_m[(point_m==i).nonzero()[0][0]])
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assert np.allclose(point_c['material'][i]['constituents'][0]['O'],
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grain_c['material'][j]['constituents'][0]['O'])
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assert point_c['material'][i]['constituents'][0]['phase'] == \
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grain_c['material'][j]['constituents'][0]['phase']
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def test_load_DREAM3D_reference(self,tmp_path,ref_path,update):
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cur = ConfigMaterial.load_DREAM3D(ref_path/'measured.dream3d')
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ref = ConfigMaterial.load(ref_path/'measured.material.yaml')
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if update:
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cur.save(ref_path/'measured.material.yaml')
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for i,m in enumerate(ref['material']):
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assert Rotation(m['constituents'][0]['O']) == \
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Rotation(cur['material'][i]['constituents'][0]['O'])
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assert cur.is_valid and cur['phase'] == ref['phase'] and cur['homogenization'] == ref['homogenization']
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