def test_data_size_no_data(self):
data_source = ImageData()
self.assertEqual(0, data_source.get_size())
def test_data_size_no_data(self):
data_source = ImageData()
self.assertEqual(0, data_source.get_size())
class ImageDataTestCase(UnittestTools, unittest.TestCase):
def setUp(self):
self.myarray = arange(15).reshape(5, 3, 1)
self.data_source = ImageData(data=self.myarray)
def test_init_defaults(self):
data_source = ImageData()
assert_array_equal(data_source.data, [])
# this isn't right -
#self.assertEqual(data_source.value_dimension, "scalar")
#self.assertEqual(data_source.image_dimension, "image")
def test_basic_setup(self):
assert_array_equal(self.myarray, self.data_source.data)
#self.assertEqual(self.data_source.value_dimension, "scalar")
self.assertFalse(self.data_source.is_masked())
def test_set_data(self):
new_array = arange(0, 30, 2).reshape(5, 3, 1)
with self.assertTraitChanges(self.data_source, 'data_changed',
count=1):
self.data_source.set_data(new_array)
assert_array_equal(new_array, self.data_source.data)
self.assertEqual(self.data_source.get_bounds(), (0, 28))
def test_get_data(self):
assert_array_equal(self.myarray, self.data_source.get_data())
def test_get_data_no_data(self):
data_source = ImageData()
self.assertIsNone(data_source.get_data())
def test_get_data_transposed(self):
myarray = arange(15).reshape(5, 3, 1)
data_source = ImageData(data=myarray, transposed=True)
assert_array_equal(swapaxes(myarray, 0, 1), data_source.get_data())
def test_get_data_mask(self):
# XXX this is probably not the right thing
with self.assertRaises(NotImplementedError):
data, mask = self.data_source.get_data_mask()
def test_get_data_mask_no_data(self):
data_source = ImageData()
# XXX this is probably not the right thing
with self.assertRaises(NotImplementedError):
data, mask = data_source.get_data_mask()
def test_bounds(self):
bounds = self.data_source.get_bounds()
self.assertEqual(bounds, (0, 14))
@unittest.skip('test_bounds_empty() fails in this case')
def test_bounds_empty(self):
data_source = ImageData()
bounds = data_source.get_bounds()
self.assertEqual(bounds, (0, 0))
def test_data_size(self):
self.assertEqual(15, self.data_source.get_size())
def test_data_size_no_data(self):
data_source = ImageData()
self.assertEqual(0, data_source.get_size())
def test_get_width(self):
self.assertEqual(3, self.data_source.get_width())
def test_get_width_transposed(self):
myarray = arange(15).reshape(5, 3)
data_source = ImageData(data=myarray, transposed=True)
self.assertEqual(5, data_source.get_width())
def test_get_height(self):
self.assertEqual(5, self.data_source.get_height())
def test_get_height_transposed(self):
myarray = arange(15).reshape(5, 3, 1)
data_source = ImageData(data=myarray, transposed=True)
self.assertEqual(3, data_source.get_height())
def test_array_bounds(self):
self.assertEqual(((0, 3), (0, 5)), self.data_source.get_array_bounds())
def test_array_bounds_transposed(self):
myarray = arange(15).reshape(5, 3, 1)
data_source = ImageData(data=myarray, transposed=True)
self.assertEqual(((0, 5), (0, 3)), data_source.get_array_bounds())
def test_fromfile_png_rgb(self):
# basic smoke test - assume that kiva.image does the right thing
path = os.path.join(data_dir, 'PngSuite', 'basn2c08.png')
data_source = ImageData.fromfile(path)
self.assertEqual(data_source.value_depth, 3)
def test_fromfile_png_rgba(self):
# basic smoke test - assume that kiva.image does the right thing
path = os.path.join(data_dir, 'PngSuite', 'basi6a08.png')
data_source = ImageData.fromfile(path)
self.assertEqual(data_source.value_depth, 4)
def test_metadata(self):
self.assertEqual(self.data_source.metadata, {
'annotations': [],
'selections': []
})
def test_metadata_changed(self):
with self.assertTraitChanges(self.data_source,
'metadata_changed',
count=1):
self.data_source.metadata = {'new_metadata': True}
def test_metadata_items_changed(self):
with self.assertTraitChanges(self.data_source,
'metadata_changed',
count=1):
self.data_source.metadata['new_metadata'] = True
class ImageDataTestCase(UnittestTools, unittest.TestCase):
def setUp(self):
self.myarray = arange(15).reshape(5, 3, 1)
self.data_source = ImageData(data=self.myarray)
def test_init_defaults(self):
data_source = ImageData()
assert_array_equal(data_source.data, [])
# this isn't right -
#self.assertEqual(data_source.value_dimension, "scalar")
#self.assertEqual(data_source.image_dimension, "image")
def test_basic_setup(self):
assert_array_equal(self.myarray, self.data_source.data)
#self.assertEqual(self.data_source.value_dimension, "scalar")
self.assertFalse(self.data_source.is_masked())
def test_set_data(self):
new_array = arange(0, 30, 2).reshape(5, 3, 1)
with self.assertTraitChanges(self.data_source, 'data_changed', count=1):
self.data_source.set_data(new_array)
assert_array_equal(new_array, self.data_source.data)
self.assertEqual(self.data_source.get_bounds(), (0, 28))
def test_get_data(self):
assert_array_equal(self.myarray, self.data_source.get_data())
def test_get_data_no_data(self):
data_source = ImageData()
self.assertIsNone(data_source.get_data())
def test_get_data_transposed(self):
myarray = arange(15).reshape(5, 3, 1)
data_source = ImageData(data=myarray, transposed=True)
assert_array_equal(swapaxes(myarray, 0, 1), data_source.get_data())
def test_get_data_mask(self):
# XXX this is probably not the right thing
with self.assertRaises(NotImplementedError):
data, mask = self.data_source.get_data_mask()
def test_get_data_mask_no_data(self):
data_source = ImageData()
# XXX this is probably not the right thing
with self.assertRaises(NotImplementedError):
data, mask = data_source.get_data_mask()
def test_bounds(self):
bounds = self.data_source.get_bounds()
self.assertEqual(bounds, (0, 14))
@unittest.skip('test_bounds_empty() fails in this case')
def test_bounds_empty(self):
data_source = ImageData()
bounds = data_source.get_bounds()
self.assertEqual(bounds, (0, 0))
def test_data_size(self):
self.assertEqual(15, self.data_source.get_size())
def test_data_size_no_data(self):
data_source = ImageData()
self.assertEqual(0, data_source.get_size())
def test_get_width(self):
self.assertEqual(3, self.data_source.get_width())
def test_get_width_transposed(self):
myarray = arange(15).reshape(5, 3)
data_source = ImageData(data=myarray, transposed=True)
self.assertEqual(5, data_source.get_width())
def test_get_height(self):
self.assertEqual(5, self.data_source.get_height())
def test_get_height_transposed(self):
myarray = arange(15).reshape(5, 3, 1)
data_source = ImageData(data=myarray, transposed=True)
self.assertEqual(3, data_source.get_height())
def test_array_bounds(self):
self.assertEqual(((0, 3), (0, 5)), self.data_source.get_array_bounds())
def test_array_bounds_transposed(self):
myarray = arange(15).reshape(5, 3, 1)
data_source = ImageData(data=myarray, transposed=True)
self.assertEqual(((0, 5), (0, 3)), data_source.get_array_bounds())
def test_fromfile_png_rgb(self):
# basic smoke test - assume that kiva.image does the right thing
path = os.path.join(data_dir, 'PngSuite', 'basn2c08.png')
data_source = ImageData.fromfile(path)
self.assertEqual(data_source.value_depth, 3)
def test_fromfile_png_rgba(self):
# basic smoke test - assume that kiva.image does the right thing
path = os.path.join(data_dir, 'PngSuite', 'basi6a08.png')
data_source = ImageData.fromfile(path)
self.assertEqual(data_source.value_depth, 4)
def test_metadata(self):
self.assertEqual(self.data_source.metadata,
{'annotations': [], 'selections': []})
def test_metadata_changed(self):
with self.assertTraitChanges(self.data_source, 'metadata_changed', count=1):
self.data_source.metadata = {'new_metadata': True}
def test_metadata_items_changed(self):
with self.assertTraitChanges(self.data_source, 'metadata_changed', count=1):
self.data_source.metadata['new_metadata'] = True
