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40 lines
1.6 KiB
40 lines
1.6 KiB
from django.test import TestCase
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import treenode.treelib as tl
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from .models import *
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class SimpleTreeLibTests(TestCase):
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def setUp(self):
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# Vyrobíme pár nějakých Nodů
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self.root = CastNode(root=None, first_child=None, succ=None, nadpis="Root")
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self.root.save()
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self.some_node = CastNode(root=self.root, first_child=None, succ=None, nadpis="Přetržené")
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self.other_node = CastNode(root=self.root, first_child=None, succ=None, nadpis="Dítě")
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self.some_orphan = CastNode(root=None, first_child=None, succ=None, nadpis="Ošklivé")
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self.other_orphan = CastNode(root=None, first_child=None, succ=None, nadpis="Káčátko")
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# Trochu je pospojujeme
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self.root.first_child = self.some_node
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self.some_node.succ = self.other_node
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self.some_orphan.first_child = self.other_orphan
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# Všechno uložíme
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self.other_node.save()
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self.some_node.save()
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self.other_orphan.save()
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self.some_orphan.save()
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self.root.save()
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def test_safe_functions(self):
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# safe_pred
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self.assertEqual(tl.safe_pred(self.other_node), self.some_node)
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self.assertIsNone(tl.safe_pred(self.root))
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self.assertIsNone(tl.safe_pred(self.some_node))
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self.assertIsNone(tl.safe_pred(self.some_orphan))
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self.assertIsNone(tl.safe_pred(self.other_orphan))
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# safe_father_of_first
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self.assertIsNone(tl.safe_father_of_first(self.root))
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self.assertEqual(tl.safe_father_of_first(self.some_node), self.root)
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self.assertEqual(tl.safe_father_of_first(self.other_node), self.root)
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self.assertIsNone(tl.safe_father_of_first(self.some_orphan))
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self.assertEqual(tl.safe_father_of_first(self.other_orphan), self.some_orphan)
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