def test_traverse_breadth_first(self, sync, nodes):
tree = Tree(sync)
root = tree.build(nodes[0])
root.display()
for i, node in enumerate(traverse_breadth_first(root)):
if i == 0:
assert node.table == 'book'
if i == 1:
assert node.table == 'publisher'
if i == 2:
assert node.table == 'book_language'
if i == 3:
assert node.table == 'author'
if i == 4:
assert node.table == 'language'
if i == 5:
assert node.table == 'subject'
if i == 6:
assert node.table == 'city'
if i == 7:
assert node.table == 'country'
if i == 8:
assert node.table == 'continent'
def test_traverse_post_order(self, sync, nodes):
tree = Tree(sync)
root = tree.build(nodes)
root.display()
for i, node in enumerate(traverse_post_order(root)):
if i == 0:
assert node.table == "publisher"
if i == 1:
assert node.table == "book_language"
if i == 2:
assert node.table == "continent"
if i == 3:
assert node.table == "country"
if i == 4:
assert node.table == "city"
if i == 5:
assert node.table == "author"
if i == 6:
assert node.table == "language"
if i == 7:
assert node.table == "subject"
if i == 8:
assert node.table == "book"
def test_invalid_relationship_type(self, sync):
nodes = [{
'table':
'book',
'children': [{
'table': 'rating',
'relationship': {
'variant': 'object',
'type': 'qwerty'
}
}]
}]
with pytest.raises(RelationshipTypeError) as excinfo:
Tree(sync).build(nodes[0])
assert 'Relationship type "qwerty" is invalid' in str(excinfo.value)
def test_invalid_relationship_type(self, sync):
nodes = {
"table":
"book",
"children": [{
"table": "publisher",
"relationship": {
"variant": "object",
"type": "qwerty"
},
}],
}
with pytest.raises(RelationshipTypeError) as excinfo:
Tree(sync).build(nodes)
assert 'Relationship type "qwerty" is invalid' in str(excinfo.value)
def test_invalid_relationship_attribute(self, sync):
nodes = [{
'table':
'book',
'children': [{
'table': 'rating',
'relationship': {
'foo': 'object',
'type': 'one_to_one'
}
}]
}]
with pytest.raises(RelationshipAttributeError) as excinfo:
Tree(sync).build(nodes[0])
assert f"Relationship attribute {set(['foo'])} is invalid" in str(
excinfo.value)
def test_invalid_relationship_variant(self, sync):
nodes = [{
'table':
'book',
'children': [{
'table': 'rating',
'relationship': {
'variant': 'abcdefg',
'type': 'one_to_one'
}
}]
}]
with pytest.raises(RelationshipVariantError) as excinfo:
Tree(sync).build(nodes[0])
assert 'Relationship variant "abcdefg" is invalid' in str(
excinfo.value)
def test_invalid_relationship_attribute(self, sync):
nodes = {
"table":
"book",
"children": [{
"table": "publisher",
"relationship": {
"foo": "object",
"type": "one_to_one"
},
}],
}
with pytest.raises(RelationshipAttributeError) as excinfo:
Tree(sync).build(nodes)
assert f"Relationship attribute {set(['foo'])} is invalid" in str(
excinfo.value)
def test_invalid_relationship_variant(self, sync):
nodes = {
"table":
"book",
"children": [{
"table": "publisher",
"relationship": {
"variant": "abcdefg",
"type": "one_to_one",
},
}],
}
with pytest.raises(RelationshipVariantError) as excinfo:
Tree(sync).build(nodes)
assert 'Relationship variant "abcdefg" is invalid' in str(
excinfo.value)