def test_from_list_no_root(self):
"""Verify an error occurs when the tree has no root."""
a = MockDocumentSkip(EMPTY)
a.prefix = 'A'
a.parent = 'B'
b = MockDocumentSkip(EMPTY)
b.prefix = 'B'
b.parent = 'A'
docs = [a, b]
self.assertRaises(DoorstopError, Tree.from_list, docs)
def test_from_list_no_root(self):
"""Verify an error occurs when the tree has no root."""
a = MockDocumentSkip(EMPTY)
a.prefix = 'A'
a.parent = 'B'
b = MockDocumentSkip(EMPTY)
b.prefix = 'B'
b.parent = 'A'
docs = [a, b]
self.assertRaises(DoorstopError, Tree.from_list, docs)
def test_from_list_missing_parent(self):
"""Verify an error occurs when a node has a missing parent."""
a = MockDocumentSkip(EMPTY)
a.prefix = 'A'
b = MockDocumentSkip(EMPTY)
b.prefix = 'B'
b.parent = 'A'
c = MockDocumentSkip(EMPTY)
c.prefix = 'C'
c.parent = '?'
docs = [a, b, c]
self.assertRaises(DoorstopError, Tree.from_list, docs)
def test_from_list_missing_parent(self):
"""Verify an error occurs when a node has a missing parent."""
a = MockDocumentSkip(EMPTY)
a.prefix = 'A'
b = MockDocumentSkip(EMPTY)
b.prefix = 'B'
b.parent = 'A'
c = MockDocumentSkip(EMPTY)
c.prefix = 'C'
c.parent = '?'
docs = [a, b, c]
self.assertRaises(DoorstopError, Tree.from_list, docs)
def test_from_list(self):
"""Verify a tree can be created from a list."""
a = MockDocumentSkip(EMPTY)
a.prefix = 'A'
b = MockDocumentSkip(EMPTY)
b.prefix = 'B'
b.parent = 'A'
c = MockDocumentSkip(EMPTY)
c.prefix = 'C'
c.parent = 'B'
docs = [a, b, c]
tree = Tree.from_list(docs)
self.assertEqual(3, len(tree))
self.assertTrue(tree.validate())
def test_from_list(self):
"""Verify a tree can be created from a list."""
a = MockDocumentSkip(EMPTY)
a.prefix = 'A'
b = MockDocumentSkip(EMPTY)
b.prefix = 'B'
b.parent = 'A'
c = MockDocumentSkip(EMPTY)
c.prefix = 'C'
c.parent = 'B'
docs = [a, b, c]
tree = Tree.from_list(docs)
self.assertEqual(3, len(tree))
self.assertTrue(tree.validate())