def test_root_node_creation(self):
''' test if the root node is being created properly '''
node = FPTreeNode()
self.assertTrue(node._root) # is a root node
self.assertEqual(node.count, 0) # the count is 0
def test_node_creation(self):
''' test if the normal node is being created properly '''
node = FPTreeNode('item')
self.assertFalse(node._root) # is not a root node
self.assertEqual(node.count, 1) # the count is 1
self.assertEqual(node.item, 'item')
def setUp(self):
self.node = FPTreeNode()
class FPTreeNodeTestCase(unittest.TestCase):
def setUp(self):
self.node = FPTreeNode()
def test_node_creation(self):
''' test if the normal node is being created properly '''
node = FPTreeNode('item')
self.assertFalse(node._root) # is not a root node
self.assertEqual(node.count, 1) # the count is 1
self.assertEqual(node.item, 'item')
def test_root_node_creation(self):
''' test if the root node is being created properly '''
node = FPTreeNode()
self.assertTrue(node._root) # is a root node
self.assertEqual(node.count, 0) # the count is 0
def test_has_child(self):
''' test if the has_child is working as expected '''
self.node.add_child('item1')
self.assertTrue(self.node.has_child('item1'))
self.assertFalse(self.node.has_child('item2'))
def test_get_child(self):
''' test if the get_child is working properly or not. '''
child_node = self.node.add_child('child_node')
other_child_node = self.node.get_child('child_node')
self.assertEqual(child_node, other_child_node)
def test_get_child_invalid(self):
''' test if the get_child is raises an exception when child is absent '''
with self.assertRaises(KeyError):
self.node.get_child('item1')
def test_add_child(self):
''' test if add_child is working properly or not. '''
self.node.add_child('child')
self.assertTrue(self.node.has_child('child'))
def test_add_child_existing(self):
''' test add_child when the child is already present. '''
self.node.add_child('child')
with self.assertRaises(ValueError):
self.node.add_child('child')
def setUp(self):
self.node = FPTreeNode()
class FPTreeNodeTestCase(unittest.TestCase):
def setUp(self):
self.node = FPTreeNode()
def test_node_creation(self):
''' test if the normal node is being created properly '''
node = FPTreeNode('item')
self.assertFalse(node._root) # is not a root node
self.assertEqual(node.count, 1) # the count is 1
self.assertEqual(node.item, 'item')
def test_root_node_creation(self):
''' test if the root node is being created properly '''
node = FPTreeNode()
self.assertTrue(node._root) # is a root node
self.assertEqual(node.count, 0) # the count is 0
def test_has_child(self):
''' test if the has_child is working as expected '''
self.node.add_child('item1')
self.assertTrue(self.node.has_child('item1'))
self.assertFalse(self.node.has_child('item2'))
def test_get_child(self):
''' test if the get_child is working properly or not. '''
child_node = self.node.add_child('child_node')
other_child_node = self.node.get_child('child_node')
self.assertEqual(child_node, other_child_node)
def test_get_child_invalid(self):
''' test if the get_child is raises an exception when child is absent '''
with self.assertRaises(KeyError):
self.node.get_child('item1')
def test_add_child(self):
''' test if add_child is working properly or not. '''
self.node.add_child('child')
self.assertTrue(self.node.has_child('child'))
def test_add_child_existing(self):
''' test add_child when the child is already present. '''
self.node.add_child('child')
with self.assertRaises(ValueError):
self.node.add_child('child')