def test_push_front(self):
p = nxpath()
self.assertTrue(is_empty(p))
p.push_front("data")
self.assertEqual(len(p),1)
self.assertEqual(p.__str__(),"data")
p.push_front("mythen:NXdetector")
self.assertEqual(len(p),2)
self.assertEqual(p.__str__(),"mythen:NXdetector/data")
p.push_front(name="",base_class="NXinstrument")
self.assertEqual(len(p),3)
self.assertEqual(p.__str__(),":NXinstrument/mythen:NXdetector/data")
p.push_front(":NXentry")
self.assertEqual(len(p),4)
self.assertEqual(p.__str__(),":NXentry/:NXinstrument/mythen:NXdetector/data")
p.push_front("/:NXroot")
self.assertEqual(len(p),5)
self.assertEqual(p.__str__(),"/:NXentry/:NXinstrument/mythen:NXdetector/data")
self.assertTrue(is_root_element(p.front))
def test_add_string(self):
a = make_path(":NXentry")
c = a+":NXinstrument/"
self.assertEqual(c.__str__(),":NXentry/:NXinstrument")
c = "/"+a
self.assertEqual(c.__str__(),"/:NXentry")
self.assertTrue(is_root_element(c.front))
a += ":NXinstrument/data"
self.assertEqual(a.__str__(),":NXentry/:NXinstrument/data")
def test_pop_back(self):
p = make_path(":NXentry/:NXinstrument/:NXdetector/data")
self.assertTrue(not is_root_element(p.front))
self.assertEqual(len(p),4)
p.pop_back()
self.assertEqual(p.__str__(),":NXentry/:NXinstrument/:NXdetector")
p.pop_back()
self.assertEqual(p.__str__(),":NXentry/:NXinstrument")
p.pop_back()
self.assertEqual(p.__str__(),":NXentry")
p.pop_back()
self.assertEqual(p.__str__(),"")
self.assertRaises(IndexError,p.pop_back)