def test_SJI_to_sequence():
test_data = os.path.join(
sunpy.data.test.rootdir,
'iris_l2_20130801_074720_4040000014_SJI_1400_t000.fits')
iris_cube = iris.SJI_to_sequence(test_data, start=0, stop=None, hdu=0)
assert isinstance(iris_cube, sunpy.map.MapSequence)
assert isinstance(iris_cube.maps[0], sunpy.map.sources.SJIMap)
assert len(iris_cube.maps) == 2
assert iris_cube.maps[0].meta['DATE-OBS'] != iris_cube.maps[1].meta[
'DATE-OBS']
def test_iris_rot():
test_data = os.path.join(
sunpy.data.test.rootdir,
'iris_l2_20130801_074720_4040000014_SJI_1400_t000.fits')
iris_cube = iris.SJI_to_sequence(test_data, start=0, stop=None, hdu=0)
irismap = iris_cube.maps[0]
irismap_rot = irismap.rotate()
assert isinstance(irismap_rot, sunpy.map.sources.SJIMap)
np.testing.assert_allclose(irismap_rot.meta['pc1_1'], 1)
np.testing.assert_allclose(irismap_rot.meta['pc1_2'], 0, atol=1e-7)
np.testing.assert_allclose(irismap_rot.meta['pc2_1'], 0, atol=1e-7)
np.testing.assert_allclose(irismap_rot.meta['pc2_2'], 1)