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"""Tests for Octave magics extension."""
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import nose.tools as nt
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try:
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import oct2py
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import numpy as np
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import numpy.testing as npt
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from IPython.extensions import octavemagic
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except Exception as e:
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__test__ = False
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global octave
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def setup():
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ip = get_ipython()
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global octave
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octave = octavemagic.OctaveMagics(ip)
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ip.register_magics(octave)
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ip.ex('import numpy as np')
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def test_octave_inline():
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ip = get_ipython()
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result = ip.run_line_magic('octave', '[1, 2, 3] + 1;')
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npt.assert_array_equal(result, [[2, 3, 4]])
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def test_octave_roundtrip():
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ip = get_ipython()
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ip.ex('x = np.arange(3); y = 4.5')
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ip.run_line_magic('octave_push', 'x y')
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ip.run_line_magic('octave', 'x = x + 1; y = y + 1;')
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ip.run_line_magic('octave_pull', 'x y')
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npt.assert_array_equal(ip.user_ns['x'], [[1, 2, 3]])
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nt.assert_equal(ip.user_ns['y'], 5.5)
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def test_octave_cell_magic():
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ip = get_ipython()
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ip.ex('x = 3; y = [1, 2]')
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ip.run_cell_magic('octave', '-f png -s 400,400 -i x,y -o z',
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'z = x + y;')
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npt.assert_array_equal(ip.user_ns['z'], [[4, 5]])
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def verify_publish_data(source, data):
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if 'image/svg+xml' in data:
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svg = data['image/svg+xml']
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assert 'height="500px"' in svg
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assert 'width="400px"' in svg
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test_octave_plot.svgs_generated += 1
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def test_octave_plot():
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octave._publish_display_data = verify_publish_data
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test_octave_plot.svgs_generated = 0
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ip = get_ipython()
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ip.run_cell_magic('octave', '-f svg -s 400,500',
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'plot([1, 2, 3]); figure; plot([4, 5, 6]);')
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nt.assert_equal(test_octave_plot.svgs_generated, 2)
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