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labels_spec.rb
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labels_spec.rb
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describe Neo4j::ActiveNode::Labels do
before(:all) do
@prev_wrapped_classes = Neo4j::ActiveNode::Labels._wrapped_classes
Neo4j::ActiveNode::Labels._wrapped_classes.clear
@class_a = Class.new do
include Neo4j::ActiveNode::Labels
def self.mapped_label_name
'A'
end
end
@class_b = Class.new do
include Neo4j::ActiveNode::Labels
def self.mapped_label_name
'B'
end
end
end
after(:all) do
# restore
Neo4j::ActiveNode::Labels._wrapped_classes.concat(@prev_wrapped_classes)
end
describe Neo4j::ActiveNode::Labels::ClassMethods do
describe 'index and inheritance' do
class MyBaseClass
include Neo4j::ActiveNode
property :things
end
class MySubClass < MyBaseClass
property :stuff
end
it 'should have labels for baseclass' do
MySubClass.mapped_label_names.should =~ ([:MyBaseClass, :MySubClass])
end
# TODO: REVIEW THIS. I do not think its claim has been true since early v3.
it 'an index in sub class will exist in base' do
base_label = double(:label_base, indexes: {property_keys: []})
sub_label = double(:label_sub, indexes: {property_keys: []})
# base_label.should_receive(:create_index).with(:things, {}).and_return(:something1)
sub_label.should_receive(:create_index).with(:things, {}).and_return(:something2)
Neo4j::Label.stub(:create) do |label|
{MyBaseClass: base_label, MySubClass: sub_label}[label]
end
MySubClass.index :things
end
# TODO: REVIEW THIS. I do not think its claim has been true since early v3.
it 'an index in base class will not exist in sub class' do
base_label = double(:label_base, indexes: {property_keys: []})
base_label.should_receive(:create_index).with(:things, {}).and_return(:something1)
Neo4j::Label.stub(:create) do |label|
{MyBaseClass: base_label}[label]
end
MyBaseClass.index :things
end
end
describe 'mapped_label_name' do
it 'return the class name if not given a label name' do
clazz = Class.new do
extend Neo4j::ActiveNode::Labels::ClassMethods
def self.name
'MyClass'
end
end
clazz.mapped_label_name.should eq(:MyClass)
end
end
describe 'set_mapped_label_name' do
it 'sets the label name and overrides the class name' do
clazz = Class.new { extend Neo4j::ActiveNode::Labels::ClassMethods }
clazz.send(:mapped_label_name=, 'foo')
clazz.mapped_label_name.should eq(:foo)
end
end
describe 'label' do
it 'wraps the mapped_label_name in a Neo4j::Label object' do
clazz = Class.new do
extend Neo4j::ActiveNode::Labels::ClassMethods
def self.name
'MyClass'
end
end
Neo4j::Label.should_receive(:create).with(:MyClass).and_return('foo')
clazz.send(:mapped_label).should eq('foo')
end
end
describe 'mapped_label_names' do
it 'returns the label of a class' do
clazz = Class.new do
extend Neo4j::ActiveNode::Labels::ClassMethods
def self.name
'mylabel'
end
end
clazz.mapped_label_names.should eq([:mylabel])
end
it 'returns all labels for inherited ancestors which have a label method' do
base_class = Class.new do
def self.mapped_label_name
'base'
end
end
middle_class = Class.new(base_class) do
extend Neo4j::ActiveNode::Labels::ClassMethods
def self.mapped_label_name
'middle'
end
end
top_class = Class.new(middle_class) do
extend Neo4j::ActiveNode::Labels::ClassMethods
def self.mapped_label_name
'top'
end
end
# notice the order is important since it will try to load and map in that order
middle_class.mapped_label_names.should eq([:middle, :base])
top_class.mapped_label_names.should eq([:top, :middle, :base])
end
it 'returns all labels for included modules which have a label class method' do
module1 = Module.new do
def self.mapped_label_name
'module1'
end
end
module2 = Module.new do
def self.mapped_label_name
'module2'
end
end
clazz = Class.new do
extend Neo4j::ActiveNode::Labels::ClassMethods
include module1
include module2
def self.name
'module'
end
end
clazz.mapped_label_names.should =~ [:module, :module1, :module2]
end
end
end
end