def test_limited_wls(self):
"""testing (well, exercising at least), wls with constrained start"""
init = LoadTree(treestring='((a,c),b,d)')
reconstructed = wls(self.dists, start=init)
self.assertEqual(len(reconstructed.getTipNames()), 5)
init2 = LoadTree(treestring='((a,d),b,c)')
reconstructed = wls(self.dists, start=[init, init2])
self.assertEqual(len(reconstructed.getTipNames()), 5)
init3 = LoadTree(treestring='((a,d),b,e)')
self.assertRaises(Exception, wls, self.dists, start=[init, init3])
# if start tree has all seq names, should raise an error
self.assertRaises(Exception, wls, self.dists,
start=[LoadTree(treestring='((a,c),b,(d,e))')])
def test_truncated_wls(self):
"""testing wls with order option"""
order = ['e', 'b', 'c', 'd']
reconstructed = wls(self.dists, order=order)
self.assertEqual(set(reconstructed.getTipNames()), set(order))
def test_wls(self):
"""testing wls"""
reconstructed = wls(self.dists)
self.assertTreeDistancesEqual(self.tree, reconstructed)