Esempio n. 1
0
def test_overlay():
    filelist, outdir, cwd = create_files_in_directory()
    overlay = fsl.Overlay()

    # make sure command gets called
    yield assert_equal, overlay.cmd, 'overlay'

    # test raising error with mandatory args absent
    yield assert_raises, ValueError, overlay.run

    # .inputs based parameters setting
    overlay.inputs.stat_image = filelist[0]
    overlay.inputs.stat_thresh = (2.5, 10)
    overlay.inputs.background_image = filelist[1]
    overlay.inputs.auto_thresh_bg = True
    overlay.inputs.show_negative_stats = True
    overlay.inputs.out_file = 'foo_overlay.nii'
    yield assert_equal, overlay.cmdline, \
        'overlay 1 0 %s -a %s 2.50 10.00 %s -2.50 -10.00 foo_overlay.nii' % (
            filelist[1], filelist[0], filelist[0])

    # .run based parameter setting
    overlay2 = fsl.Overlay(stat_image=filelist[0],
                           stat_thresh=(2.5, 10),
                           background_image=filelist[1],
                           auto_thresh_bg=True,
                           out_file='foo2_overlay.nii')
    yield assert_equal, overlay2.cmdline, 'overlay 1 0 %s -a %s 2.50 10.00 foo2_overlay.nii' % (
        filelist[1], filelist[0])

    clean_directory(outdir, cwd)
Esempio n. 2
0
def test_overlay(create_files_in_directory):
    filelist, outdir, _ = create_files_in_directory
    overlay = fsl.Overlay()

    # make sure command gets called
    assert overlay.cmd == 'overlay'

    # test raising error with mandatory args absent
    with pytest.raises(ValueError):
        overlay.run()

    # .inputs based parameters setting
    overlay.inputs.stat_image = filelist[0]
    overlay.inputs.stat_thresh = (2.5, 10)
    overlay.inputs.background_image = filelist[1]
    overlay.inputs.auto_thresh_bg = True
    overlay.inputs.show_negative_stats = True
    overlay.inputs.out_file = 'foo_overlay.nii'
    assert overlay.cmdline == \
        'overlay 1 0 %s -a %s 2.50 10.00 %s -2.50 -10.00 foo_overlay.nii' % (
            filelist[1], filelist[0], filelist[0])

    # .run based parameter setting
    overlay2 = fsl.Overlay(stat_image=filelist[0],
                           stat_thresh=(2.5, 10),
                           background_image=filelist[1],
                           auto_thresh_bg=True,
                           out_file='foo2_overlay.nii')
    assert overlay2.cmdline == 'overlay 1 0 %s -a %s 2.50 10.00 foo2_overlay.nii' % (
        filelist[1], filelist[0])