def test_backward():
""" Computation of the fibonnacci series using fast transfer in backward direction """
l = Lsystem(get_filename('fibonacci.lpy'))
a = l.iterate()
print(a)
assert a[2][0] == 6765, "Lpy failed to compute fibonacci test"
assert a[3][0] == 4181, "Lpy failed to compute fibonacci test"
assert a[21][0] == 1, "Lpy failed to compute fibonacci test"
def test_nproduce(verbose=False):
""" Test use of nproduce """
l = Lsystem(get_filename('test_nproduce.lpy'))
if verbose: print l.axiom
res = l.derive(1)
if verbose: print res
assert len(res) == 2 and res[1].name == 'B'
res = l.derive(res, 1, 1)
if verbose: print res
assert len(res) == 1 and res[0].name == 'C'
res = l.derive(res, 2, 1)
if verbose: print res
assert len(res) == 1 and res[0].name == 'D'
res = l.derive(res, 3, 1)
if verbose: print res
assert len(res) == 0
def test_selection():
""" Test customisation of the plot and selection procedure """
plot = Plotter()
registerPlotter(plot)
l = Lsystem(get_filename('test_selection.lpy'))
ln = len(l.axiom)
l.context().makeCurrent()
assert l.axiom == AxialTree('N[+NN][-N]N') and 'Invalid axiom parsing'
print l.axiom
res = l.iterate(1)
print res
assert len(res) == ln + 1
assert res[3].name == '%'
res = l.derive(res, 1, 1)
print res
assert len(res) == ln - 2
assert plot.selectionAsked and "Selection has not been asked"
l.done()
cleanPlotter()
def test_axial_msmatch():
""" Test matching with axial tree context modification"""
f = open(get_filename('test_axial_msmatch.lpy'))
code = f.read()
f.close()
matching_run(code, range(2, 4))
def test_simple_match() :
""" Simple matching """
matching_run(get_filename('test_simple_matching.lpy'))
def test_enviro():
""" Test whether environment module ?P works """
l = Lsystem(get_filename('p_h_enviro.lpy'))
res = l.iterate()
assert res[1][0] == Vector3(0, 0,
10) and "homomorphism not applied before ?P"
def test_kwd():
''' test matching with **kwd '''
for optionvalue in [1, 2]:
l = Lsystem(get_filename('test_kwd.lpy'))
l.context().options.setSelection('Module matching', optionvalue)
l.iterate()
def test_multi_line():
l = Lsystem(get_filename('test_multiline_produce.lpy'))
l.iterate()
def test_group():
""" Test group of rules """
l = Lsystem(get_filename('test_group.lpy'))
l.iterate()
