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import unittest |
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from mock import Mock, MagicMock, PropertyMock |
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from datetime import datetime, timedelta |
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from tests.test_basefile import BaseFileTests |
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class DicomTests(BaseFileTests): |
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9
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def setUp(self): |
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super(DicomTests, self).setUp() |
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11
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self.libs = Mock() |
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12
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self.dependencies.getLibraries.return_value = self.libs |
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self.setupPydicom() |
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from niprov.dcm import DicomFile |
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self.constructor = DicomFile |
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self.file = DicomFile(self.path, dependencies=self.dependencies) |
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18
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def test_Gets_basic_info_from_pydicom_and_returns_it(self): |
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out = self.file.inspect() |
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self.assertEqual(out['subject'], 'John Doeish') |
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21
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self.assertEqual(out['protocol'], 'T1 SENSE') |
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self.assertEqual(out['acquired'], datetime(2014, 8, 5, 12, 19, 14)) |
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24
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def test_if_doesnt_have_acqDateTime_get_seriesDatetime(self): |
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del(self.img.AcquisitionDateTime) |
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self.img.SeriesDate = '20120416' |
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self.img.SeriesTime = '101330.60000' |
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h = datetime.fromtimestamp(101330.60000).hour |
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out = self.file.inspect() |
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self.assertEqual(out['acquired'], |
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datetime(2012, 4, 16, h, 8, 50)) |
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32
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33
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def test_Series_interface(self): |
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self.assertEqual(self.file.getSeriesId(), self.img.SeriesInstanceUID) |
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35
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self.assertIn(self.file.path, self.file.provenance['filesInSeries']) |
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newFile = Mock() |
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self.file.addFile(newFile) |
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self.assertIn(newFile.path, self.file.provenance['filesInSeries']) |
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39
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40
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def test_Gets_dimensions(self): |
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out = self.file.inspect() |
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self.assertEqual(out['dimensions'], [11, 12, 13]) |
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43
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del(self.img.NumberOfFrames) |
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out = self.file.inspect() |
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self.assertEqual(out['dimensions'], [11, 12, 1]) |
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46
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self.file.addFile(Mock()) |
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self.assertEqual(out['dimensions'], [11, 12, 2]) |
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48
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49
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def test_Gets_other_fields(self): |
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out = self.file.inspect() |
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self.assertEqual(out['duration'], timedelta(seconds=65.04713439941406)) |
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52
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self.assertEqual(out['subject-position'], 'HFS') |
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self.assertEqual(out['water-fat-shift'], 1.1173381805419922) |
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54
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55
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def test_File_without_Rows(self): |
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del(self.img.Rows) |
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out = self.file.inspect() |
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assert not self.listener.fileError.called |
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59
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self.assertNotIn('dimensions', out) |
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del(self.img.NumberOfFrames) |
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out = self.file.inspect() |
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self.file.addFile(Mock()) |
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assert not self.listener.fileError.called |
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64
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65
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def test_Determines_modality(self): |
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out = self.file.inspect() |
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self.assertEqual(out['modality'], 'MRI') |
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69
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def test_Preserves_modality_if_inherited(self): |
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pass # Doesn't have to preserve |
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72
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def setupPydicom(self): |
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self.img = Mock() |
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self.img.AcquisitionDateTime = '20140805121914.59000' |
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self.img.AcquisitionDuration = 65.04713439941406 |
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self.img.SeriesDescription = 'T1 SENSE' |
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self.img.PatientID = 'John Doeish' |
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self.img.PatientPosition = 'HFS' |
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79
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self.img.SeriesInstanceUID = '1.3.46.670589.11.17388.5.0.6340.2011121308140690488' |
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80
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self.img.Rows = 11 |
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81
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self.img.Columns = 12 |
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82
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self.img.NumberOfFrames = 13 |
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83
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wfs = Mock() |
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wfs.value = 1.1173381805419922 |
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self.img.__getitem__ = Mock(side_effect=lambda x: {(0x2001, 0x1022):wfs}[x]) |
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86
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self.libs.dicom.read_file.return_value = self.img |
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87
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self.libs.hasDependency.return_value = True |
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88
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89
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ilogue /
niprov
