Python VMAT.load_images方法代码示例

# 需要导入模块: from pylinac.vmat import VMAT [as 别名]
# 或者: from pylinac.vmat.VMAT import load_images [as 别名]
class TestGeneral(unittest.TestCase):
    """Generic tests for VMAT class."""
    def setUp(self):
        self.vmat = VMAT()

    def test_demo_image_loads(self):
        """Test the that demo images load properly."""
        # shouldn't raise
        self.vmat.load_demo_image('drgs')
        self.vmat.load_demo_image('mlcs')

    def test_analyze_without_both_images_loaded(self):
        """Raise an error if both images aren't loaded when analyzing."""
        self.assertRaises(AttributeError, self.vmat.analyze, 'mlcs')
        self.vmat.load_demo_image('drgs')
        self.vmat.analyze('drgs')  # shouldn't raise

    def test_img_loaded_tags(self):
        """Test the 'is_loaded' type tags."""
        self.assertFalse(self.vmat.open_img_is_loaded)
        self.assertFalse(self.vmat.dmlc_img_is_loaded)
        self.vmat.load_demo_image()
        self.assertTrue(self.vmat.open_img_is_loaded)
        self.assertTrue(self.vmat.dmlc_img_is_loaded)

    def test_number_of_segments(self):
        """Test that the right amount of segments are constructed based on the given test."""
        self.vmat.load_demo_image()
        self.vmat.analyze('drgs')
        self.assertEqual(len(self.vmat.segments), 7)
        self.vmat.analyze('mlcs')
        self.assertEqual(len(self.vmat.segments), 4)

    def test_passing_3_images(self):
        """Test passing the wrong number of images."""
        with self.assertRaises(ValueError):
            self.vmat.load_images(('', '', ''))

    def test_from_urls(self):
        urls = ['https://s3.amazonaws.com/assuranceqa-staging/uploads/imgs/DRGS_dmlc.dcm',
                'https://s3.amazonaws.com/assuranceqa-staging/uploads/imgs/DRGS_open.dcm']
        vmat = VMAT.from_urls(urls)

    def test_img_inversion(self):
        """Check that the demo images indeed get inverted."""
        self.vmat.load_demo_image()
        top_corner_before = self.vmat.image_open.array[:20, :20].mean()
        self.vmat._check_img_inversion()
        top_corner_after = self.vmat.image_open.array[:20, :20].mean()
        self.assertNotEqual(top_corner_before, top_corner_after)

# 需要导入模块: from pylinac.vmat import VMAT [as 别名]
# 或者: from pylinac.vmat.VMAT import load_images [as 别名]
class TestLoading(TestCase):
    """Tests of the various loading schemas."""

    def setUp(self):
        self.vmat = VMAT()

    def test_load_image(self):
        good_name = osp.join(vmat_test_files_dir, 'no_test_type_dmlc.dcm')
        bad_name = osp.join(vmat_test_files_dir, 'no_test_or_image_type_1.dcm')

        # image type can be determined from a good name
        self.vmat.load_image(good_name)

        # but not a bad one
        with self.assertRaises(ValueError):
            self.vmat.load_image(bad_name)

    def test_from_urls(self):
        urls = ['https://s3.amazonaws.com/assuranceqa-staging/uploads/imgs/DRGS_dmlc.dcm',
                'https://s3.amazonaws.com/assuranceqa-staging/uploads/imgs/DRGS_open.dcm']
        VMAT.from_urls(urls)  # shouldn't raise

    def test_passing_3_images(self):
        """Test passing the wrong number of images."""
        with self.assertRaises(ValueError):
            self.vmat.load_images(('', '', ''))

    def test_demo_image_loads(self):
        """Test the that demo images load properly."""
        # shouldn't raise
        self.vmat.load_demo_image(DRGS)
        self.vmat.load_demo_image(DRMLC)

    def test_from_zip(self):
        path = osp.join(vmat_test_files_dir, 'DRMLC.zip')
        v = VMAT.from_zip(path)
        v.analyze()

    def test_loading_with_bad_names(self):
        one = osp.join(vmat_test_files_dir, 'no_test_or_image_type_1.dcm')
        two = osp.join(vmat_test_files_dir, 'no_test_or_image_type_2.dcm')
        with self.assertRaises(ValueError):
            self.vmat.load_images((one, two))

        # but will work when everything is specified
        self.vmat.load_image(one, OPEN)
        self.vmat.load_image(two, DMLC)
        self.vmat.analyze(DRMLC)

# 需要导入模块: from pylinac.vmat import VMAT [as 别名]
# 或者: from pylinac.vmat.VMAT import load_images [as 别名]
class TestGeneral(TestCase):
    """Generic tests for VMAT class."""
    def setUp(self):
        self.vmat = VMAT()

    def test_analyze_without_both_images_loaded(self):
        """Raise an error if both images aren't loaded when analyzing."""
        self.assertRaises(AttributeError, self.vmat.analyze, DRMLC)
        self.vmat.load_demo_image('drgs')
        self.vmat.analyze('drgs')  # shouldn't raise

    def test_img_loaded_tags(self):
        """Test the 'is_loaded' type tags."""
        self.assertFalse(self.vmat.open_img_is_loaded)
        self.assertFalse(self.vmat.dmlc_img_is_loaded)
        self.vmat.load_demo_image()
        self.assertTrue(self.vmat.open_img_is_loaded)
        self.assertTrue(self.vmat.dmlc_img_is_loaded)

    def test_img_inversion(self):
        """Check that the demo images indeed get inverted."""
        self.vmat.load_demo_image()
        top_corner_before = self.vmat.image_open.array[:20, :20].mean()
        self.vmat._check_img_inversion()
        top_corner_after = self.vmat.image_open.array[:20, :20].mean()
        self.assertNotEqual(top_corner_before, top_corner_after)

    def test_analyze_without_test_type(self):
        dmlc = osp.join(vmat_test_files_dir, 'no_test_type_dmlc.dcm')
        opn = osp.join(vmat_test_files_dir, 'no_test_type_open.dcm')
        self.vmat.load_images((dmlc, opn))

        with self.assertRaises(ValueError):
            self.vmat.analyze()

        # but will run when test type is passed
        self.vmat.analyze('drmlc')

    def test_failure_with_tight_tolerance(self):
        self.vmat.load_demo_image()
        self.vmat.analyze(tolerance=0.1)
        self.vmat.return_results()