require File.expand_path(File.dirname(__FILE__) + '/../spec_helper') include OldApiResource describe "Associations" do after(:all) do TestResource.reload_class_attributes end context "creating and testing for associations of various types" do it "should be be able to define an asociation using a method named after that association type" do TestResource.has_many :has_many_objects TestResource.has_many?(:has_many_objects).should be_true end it "should be able to define associations with different class names" do TestResource.has_many :test_name, :class_name => :has_many_objects TestResource.has_many?(:test_name).should be_true TestResource.has_many_class_name(:test_name).should eql("HasManyObject") end it "should be able to define multiple associations at the same time" do TestResource.has_many :has_many_objects, :other_has_many_objects TestResource.has_many?(:has_many_objects).should be_true TestResource.has_many?(:other_has_many_objects).should be_true end it "should be able to tell if something is an association via the association? method" do TestResource.belongs_to :belongs_to_object TestResource.association?(:belongs_to_object).should be_true end it "should be able to get the class name of an association via the association_class_name method" do TestResource.belongs_to :belongs_to_object TestResource.association_class_name(:belongs_to_object).should eql("BelongsToObject") TestResource.belongs_to :strange_name, :class_name => :belongs_to_object TestResource.association_class_name(:strange_name).should eql("BelongsToObject") end it "should only define relationships for the given class - they should not cascade" do TestResource.belongs_to :belongs_to_object AnotherTestResource.association?(:belongs_to_object).should_not be true end it "should have its relationship cascade when sub-classed" do TestResource.belongs_to :belongs_to_object ChildTestResource.association?(:belongs_to_object).should be true end it "should have its relationship cascade when sub-classed after the relationship is defined" do TestResource.belongs_to :belongs_to_object class ChildTestResource2 < TestResource; end ChildTestResource2.association?(:belongs_to_object).should be true end context "Determining associated classes with a namespace" do it "should be able to find classes for associations that exist in the same module without a namespace" do TestMod::TestClass.belongs_to :test_association TestMod::TestClass.association_class_name(:test_association).should eql("TestMod::TestAssociation") end it "should be return a regular class name for a class defined at the root level" do TestMod::TestClass.belongs_to :belongs_to_object TestMod::TestClass.association_class_name(:belongs_to_object).should eql("BelongsToObject") end it "should work for a class name specified with a namespace module" do TestMod::TestClass.belongs_to :nonsense, :class_name => "TestMod::TestAssociation" TestMod::TestClass.association_class_name(:nonsense).should eql("TestMod::TestAssociation") end it "should work for nested module as well" do TestMod::InnerMod::InnerClass.belongs_to :test_association TestMod::InnerMod::InnerClass.association_class_name(:test_association).should eql("TestMod::TestAssociation") end it "should prefer to find classes within similar modules to ones in the root namespace" do TestMod::InnerMod::InnerClass.belongs_to :test_resource TestMod::InnerMod::InnerClass.association_class_name(:test_resource).should eql("TestMod::TestResource") end it "should be able to override into the root namespace by prefixing with ::" do TestMod::InnerMod::InnerClass.belongs_to :test_resource, :class_name => "::TestResource" TestMod::InnerMod::InnerClass.association_class_name(:test_resource).should eql("::TestResource") end end end context "creating and testing for scopes" do it "should be able to define scopes which require class names" do lambda { TestResource.scope :test_scope }.should raise_error TestResource.scope :test_scope, {:has_many_objects => "test"} end it "should be able to test if a scope exists" do TestResource.scope :test_scope, {:item => "test"} TestResource.scope?(:test_scope).should be_true TestResource.scope_attributes(:test_scope).should eql({"item" => "test"}) end end context "testing for scopes and associations on an instance" do it "should be able to define associations on a class and test for them on an instance" do TestResource.has_many :has_many_objects, :class_name => :other_has_many_objects tst = TestResource.new tst.has_many?(:has_many_objects).should be_true tst.has_many_class_name(:has_many_objects).should eql("OtherHasManyObject") end it "should be able to define scopes on a class and test for them on an instance" do TestResource.scope :has_many_objects, {:item => "test"} tst = TestResource.new tst.scope?(:has_many_objects).should be_true tst.scope_attributes(:has_many_objects).should eql({"item" => "test"}) end end describe "Single Object Associations" do before(:all) do TestResource.reload_class_attributes end after(:all) do TestResource.reload_class_attributes end it "should be able to create a SingleObjectProxy around a blank hash" do ap = Associations::SingleObjectProxy.new("TestResource", {}) ap.remote_path.should be_blank end it "should be able to extract a service uri from the contents hash" do ap = Associations::SingleObjectProxy.new("TestResource",{:service_uri => "/path"}) ap.remote_path.should eql("/path") end it "should be able to recognize the attributes of an object and not make them scopes" do TestResource.define_attributes :test ap = Associations::SingleObjectProxy.new("TestResource",{:service_uri => "/path", :test => "testval"}) ap.scope?("test").should be_false ap.remote_path.should eql("/path") end it "should make all attributes except the service uri into scopes given the scopes_only option" do ap = Associations::SingleObjectProxy.new("TestResource",{:service_uri => "/path", :test_scope => {"testval" => true}, :scopes_only => true}) ap.scope?("test_scope").should be_true ap.remote_path.should eql("/path") end it "should pass the attributes that are not scopes and make them attributes of the object" do TestResource.define_attributes :test ap = Associations::SingleObjectProxy.new("TestResource",{:service_uri => "/path", :test => "testval"}) ap.internal_object.attributes.keys.should include("test") end end describe "Multi Object Associations" do before(:all) do TestResource.related_objects[:scope].clear end after(:each) do Associations::MultiObjectProxy.remote_path_element = :service_uri end describe "Loading settings" do context "Loading array contents" do it "should be able to load a blank array" do ap = Associations::MultiObjectProxy.new("TestResource",[]) ap.remote_path.should be_nil ap.scopes.keys.should eql([]) end it "should be able to recognize a settings hash if it has a service_uri" do ap = Associations::MultiObjectProxy.new("TestResource",[{:service_uri => "/route"}]) ap.remote_path.should eql("/route") end it "should be able to recognize a settings hash if it has a 'service_uri' with another preset name" do Associations::MultiObjectProxy.remote_path_element = :the_element ap = Associations::MultiObjectProxy.new("TestResource",[{:the_element => "/route"}]) ap.remote_path.should eql("/route") end end context "Loading hash contents" do it "should not be able to load a hash without a 'service_uri'" do lambda { Associations::MultiObjectProxy.new("TestResource", {}) }.should raise_error end it "should be able to recognize settings from a hash" do ap = Associations::MultiObjectProxy.new("TestResource", {:service_uri => "/route"}) ap.remote_path.should eql("/route") end it "should recognize settings with differing 'service_uri' names" do Associations::MultiObjectProxy.remote_path_element = :the_element ap = Associations::MultiObjectProxy.new("TestResource",{:the_element => "/route"}) ap.remote_path.should eql("/route") end end context "Defining scopes" do it "should define scopes based on the other keys in a settings hash" do ap = Associations::MultiObjectProxy.new("TestResource", [{:service_uri => "/route", :scope1 => {"scope1" => true}, :scope2 => {"scope2" => true}}]) [:scope1, :scope2].each{|s| ap.scopes.include?(s).should be_true } end it "should identify known scopes based on the scopes defined on the object it is a proxy to" do TestResource.scope :class_scope, "class_scope" => "true" ap = Associations::MultiObjectProxy.new("TestResource", [{:service_uri => "/route", :scope1 => {"scope1" => true}, :scope2 => {"scope2" => true}}]) [:scope1, :scope2, :class_scope].each{|s| ap.scopes.include?(s).should be_true} end it "scopes in the response should shadow class defined scopes" do TestResource.scope :scope1, "scope1" => "true" ap = Associations::MultiObjectProxy.new("TestResource", [{:service_uri => "/route", :scope1 => {"scope1" => true}, :scope2 => {"scope2" => true}}]) ap.scopes[:scope1].should eql({"scope1" => true}) end end end describe "Selecting scopes" do it "should be able to change scopes" do ap = Associations::MultiObjectProxy.new("TestResource", [{:service_uri => "/route", :scope1 => {"scope1" => true}, :scope2 => {"scope2" => true}}]) ap.scope1.should be_a(Associations::RelationScope) ap.scope1.current_scope.scope1_scope?.should be_true end it "should be able to chain scope calls together" do ap = Associations::MultiObjectProxy.new("TestResource", [{:service_uri => "/route", :scope1 => {"scope1" => true}, :scope2 => {"scope2" => true}}]) ap.scope1.scope2.current_scope.scope1_and_scope2_scope?.should be_true ap.scope1.scope2.to_query.should eql("scope1=true&scope2=true") end it "should support scopes that contain underscores" do ap = Associations::MultiObjectProxy.new("TestResource", [{:service_uri => "/route", :scope_1 => {"scope_1" => true}, :scope_2 => {"scope_2" => true}}]) ap.scope_1.scope_2.current_scope.scope_1_and_scope_2_scope?.should be_true end it "should be able to return the current query string" do ap = Associations::MultiObjectProxy.new("TestResource", [{:service_uri => "/route", :scope_1 => {"scope_1" => true}, :scope_2 => {"scope_2" => true}}]) ap.scope_1.scope_2.to_query.should eql("scope_1=true&scope_2=true") end it "should be able to substitute values into the scope query strings by passing a hash to the methods" do ap = Associations::MultiObjectProxy.new("TestResource", [{:service_uri => "/route", :scope_1 => {"scope_1" => true, :test_sub => false}, :scope_2 => {"scope_2" => true}}]) obj = ap.scope_1(:test_sub => true).scope_2 obj.to_query.should eql("scope_1=true&scope_2=true&test_sub=true") end end end describe "Loading and Caching loaded data" do context "Single Object" do before(:all) do TestResource.reload_class_attributes end it "should be able to force load an object" do ap = Associations::SingleObjectProxy.new("TestResource",{:service_uri => '/single_object_association', :active => {:active => true}, :scopes_only => true}) ap.loaded.should be_blank name = ap.name name.should_not be_blank ap.loaded.should_not be_blank # Make sure it isn't reloaded ap.name.should eql(name) end it "should be able to load a scope" do ap = Associations::SingleObjectProxy.new("TestResource",{:service_uri => '/single_object_association', :active => {:active => true}, :scopes_only => true}) ap.internal_object.active.should be_false ap.times_loaded.should eql(1) ap.active.should be_a Associations::RelationScope ap.active.name.should_not be_blank ap.times_loaded.should eql(2) ap.active.internal_object.active.should be_true # another check that the resource wasn't reloaded ap.times_loaded.should eql(2) end it "should be able to load a chain of scopes" do ap = Associations::SingleObjectProxy.new("TestResource",{:service_uri => '/single_object_association', :active => {:active => true}, :with_birthday => {:birthday => true}, :scopes_only => true}) first = ap.active.with_birthday.id ap.with_birthday.active.id.should eql(first) ap.times_loaded.should eql(1) ap.active.with_birthday.birthday.should_not be_blank end it "should be able to load a chain of scopes with substitution" do ap = Associations::SingleObjectProxy.new("TestResource",{:service_uri => '/single_object_association', :active => {:active => false}, :with_birthday => {:birthday => true}, :scopes_only => true}) item = ap.active(:active => true).internal_object item.active.should be_true ap.times_loaded.should eql(1) # This error and incrementing times_loaded means it tried to load again lambda { ap.active.internal_object }.should raise_error ap.times_loaded.should eql(2) end it "should proxy unknown methods to the object loading if it hasn't already" do ap = Associations::SingleObjectProxy.new("TestResource",{:service_uri => '/single_object_association', :active => {:active => false}, :with_birthday => {:birthday => true}, :scopes_only => true}) ap.times_loaded.should eql(0) ap.id.should_not be_blank ap.times_loaded.should eql(1) end it "should only load each distinct set of scopes once" do ap = Associations::SingleObjectProxy.new("TestResource",{:service_uri => '/single_object_association', :active => {:active => false}, :with_birthday => {:birthday => true}, :scopes_only => true}) ap.times_loaded.should eql(0) ap.active(:active => true).with_birthday.internal_object ap.with_birthday.active(:active => true).internal_object ap.times_loaded.should eql(1) end it "should be able to clear it's loading cache" do ap = Associations::SingleObjectProxy.new("TestResource",{:service_uri => '/single_object_association', :active => {:active => true}, :with_birthday => {:birthday => true}, :scopes_only => true}) ap.active.internal_object ap.times_loaded.should eql(1) ap.reload ap.active.internal_object ap.times_loaded.should eql(1) end end context "Multi Object" do it "should be able to load 'all'" do ap = Associations::MultiObjectProxy.new("TestResource",{:service_uri => '/multi_object_association', :active => {:active => false}, :inactive => {:active => false}, :with_birthday => {:birthday => true}}) results = ap.all results.size.should eql(5) results.first.active.should be_false end it "should be able to load a scope" do ap = Associations::MultiObjectProxy.new("TestResource",{:service_uri => '/multi_object_association', :active => {:active => false}, :inactive => {:active => false}, :with_birthday => {:birthday => true}}) results = ap.active.internal_object results.size.should eql(5) results.first.active.should be_true end it "should be able to load a chain of scopes" do ap = Associations::MultiObjectProxy.new("TestResource",{:service_uri => '/multi_object_association', :active => {:active => true}, :inactive => {:active => false}, :with_birthday => {:birthday => true}}) results = ap.active.with_birthday.internal_object results.first.active.should be_true results.first.birthday.should_not be_blank end it "should be able to load a chain of scopes with substitution" do ap = Associations::MultiObjectProxy.new("TestResource",{:service_uri => '/multi_object_association', :active => {:active => true}, :inactive => {:active => false}, :with_birthday => {:birthday => true}}) results = ap.inactive(:active => true).with_birthday.internal_object results.first.active.should be_true results.first.birthday.should_not be_blank end it "should proxy unknown methods to the object array loading if it hasn't already" do ap = Associations::MultiObjectProxy.new("TestResource",{:service_uri => '/multi_object_association', :active => {:active => true}, :inactive => {:active => false}, :with_birthday => {:birthday => true}}) ap.first.should be_a TestResource ap.active.first.should be_a TestResource ap.times_loaded.should eql(2) end it "should only load each distinct set of scopes once" do ap = Associations::MultiObjectProxy.new("TestResource",{:service_uri => '/multi_object_association', :active => {:active => true}, :inactive => {:active => false}, :with_birthday => {:birthday => true}}) ap.first ap.active.first ap.times_loaded.should eql(2) ap.active.first ap.times_loaded.should eql(2) ap.active.with_birthday.first ap.with_birthday.active.first ap.times_loaded.should eql(3) end it "should be able to clear it's loading cache" do ap = Associations::MultiObjectProxy.new("TestResource",{:service_uri => '/multi_object_association', :active => {:active => true}, :inactive => {:active => false}, :with_birthday => {:birthday => true}}) ap.active.first ap.times_loaded.should eql(1) ap.reload ap.active.first ap.times_loaded.should eql(1) end it "should be enumerable" do ap = Associations::MultiObjectProxy.new("TestResource",{:service_uri => '/multi_object_association', :active => {:active => true}, :inactive => {:active => false}, :with_birthday => {:birthday => true}}) ap.each do |tr| tr.name.should_not be_blank end end end context "Scopes" do before(:all) do TestResource.reload_class_attributes end it "should define class methods for the known scopes" do TestResource.scopes.each do |key, _| TestResource.should respond_to key end end it "should return a ResourceScope when calling any scope on a class" do TestResource.send(TestResource.scopes.first.first.to_sym).should be_a Associations::ResourceScope end it "should be able to chain scopes" do scp = TestResource.active.paginate scp.should be_a Associations::ResourceScope scp.to_query.should eql("active=true¤t_page=current_page&paginate=true&per_page=per_page") end it "should load when calling all" do TestResource.active.should respond_to :all TestResource.active.should respond_to :internal_object results = TestResource.active.all results.should be_a Array results.size.should eql(5) results.each do |res| res.should be_a TestResource end end it "should load when calling an enumerable method or an array method" do TestResource.active.each do |result| result.should be_a TestResource end end end context "Assigning Data" do context "Single Object Association" do before(:all) do TestResource.has_one(:has_one_object) TestResource.belongs_to(:belongs_to_object) end after(:all) do TestResource.reload_class_attributes end it "should assign associations to the correct type on initialization" do tr = TestResource.new(:has_one_object => {:name => "Dan"}, :belongs_to_object => {:name => "Dan"}) tr.has_one_object.internal_object.should be_instance_of HasOneObject tr.belongs_to_object.internal_object.should be_instance_of BelongsToObject end it "should assign associations to the correct type when setting attributes directly" do tr = TestResource.new() tr.has_one_object = {:name => "Dan"} tr.belongs_to_object = {:name => "Dan"} tr.has_one_object.internal_object.should be_instance_of HasOneObject tr.belongs_to_object.internal_object.should be_instance_of BelongsToObject end end context "Single Object Association" do before(:all) do TestResource.has_many(:has_many_objects) end after(:all) do TestResource.reload_class_attributes end it "should assign associations to the correct type on initialization" do tr = TestResource.new(:has_many_objects => [{:name => "Dan"}]) tr.has_many_objects.internal_object.first.should be_instance_of HasManyObject end it "should assign associations to the correct type when setting attributes directly" do tr = TestResource.new() tr.has_many_objects = [{:name => "Dan"}] tr.has_many_objects.internal_object.first.should be_instance_of HasManyObject end end end end end