couchrest_model/spec/unit/casted_model_spec.rb

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# encoding: utf-8
require "spec_helper"
class WithCastedModelMixin < Hash
include CouchRest::Model::CastedModel
property :name
property :no_value
property :details, Object, :default => {}
property :casted_attribute, WithCastedModelMixin
end
class DummyModel < CouchRest::Model::Base
use_database TEST_SERVER.default_database
raise "Default DB not set" if TEST_SERVER.default_database.nil?
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property :casted_attribute, WithCastedModelMixin
property :keywords, [String]
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property :sub_models do |child|
child.property :title
end
property :param_free_sub_models do
property :title
end
end
class WithCastedCallBackModel < Hash
include CouchRest::Model::CastedModel
property :name
property :run_before_validation
property :run_after_validation
validates_presence_of :run_before_validation
before_validation do |object|
object.run_before_validation = true
end
after_validation do |object|
object.run_after_validation = true
end
end
class CastedCallbackDoc < CouchRest::Model::Base
use_database TEST_SERVER.default_database
raise "Default DB not set" if TEST_SERVER.default_database.nil?
property :callback_model, WithCastedCallBackModel
end
describe CouchRest::Model::CastedModel do
describe "A non hash class including CastedModel" do
it "should fail raising and include error" do
lambda do
class NotAHashButWithCastedModelMixin
include CouchRest::CastedModel
property :name
end
end.should raise_error
end
end
describe "isolated" do
before(:each) do
@obj = WithCastedModelMixin.new
end
it "should automatically include the property mixin and define getters and setters" do
@obj.name = 'Matt'
@obj.name.should == 'Matt'
end
it "should allow override of default" do
@obj = WithCastedModelMixin.new(:name => 'Eric', :details => {'color' => 'orange'})
@obj.name.should == 'Eric'
@obj.details['color'].should == 'orange'
end
it "should always return base_doc? as false" do
@obj.base_doc?.should be_false
end
end
describe "casted as an attribute, but without a value" do
before(:each) do
@obj = DummyModel.new
@casted_obj = @obj.casted_attribute
end
it "should be nil" do
@casted_obj.should == nil
end
end
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describe "anonymous sub casted models" do
before :each do
@obj = DummyModel.new
end
it "should be empty initially" do
@obj.sub_models.should_not be_nil
@obj.sub_models.should be_empty
end
it "should be updatable using a hash" do
@obj.sub_models << {:title => 'test'}
@obj.sub_models.first.title.should eql('test')
end
it "should be empty intitally (without params)" do
@obj.param_free_sub_models.should_not be_nil
@obj.param_free_sub_models.should be_empty
end
it "should be updatable using a hash (without params)" do
@obj.param_free_sub_models << {:title => 'test'}
@obj.param_free_sub_models.first.title.should eql('test')
end
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end
describe "casted as attribute" do
before(:each) do
casted = {:name => 'not whatever'}
@obj = DummyModel.new(:casted_attribute => {:name => 'whatever', :casted_attribute => casted})
@casted_obj = @obj.casted_attribute
end
it "should be available from its parent" do
@casted_obj.should be_an_instance_of(WithCastedModelMixin)
end
it "should have the getters defined" do
@casted_obj.name.should == 'whatever'
end
it "should know who casted it" do
@casted_obj.casted_by.should == @obj
end
it "should know which property casted it" do
@casted_obj.casted_by_property.should == @obj.properties.detect{|p| p.to_s == 'casted_attribute'}
end
it "should return nil for the 'no_value' attribute" do
@casted_obj.no_value.should be_nil
end
it "should return nil for the unknown attribute" do
@casted_obj["unknown"].should be_nil
end
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it "should return {} for the hash attribute" do
@casted_obj.details.should == {}
end
it "should cast its own attributes" do
@casted_obj.casted_attribute.should be_instance_of(WithCastedModelMixin)
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end
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it "should raise an error if save or update_attributes called" do
expect { @casted_obj.casted_attribute.save }.to raise_error(NoMethodError)
expect { @casted_obj.casted_attribute.update_attributes(:name => "Fubar") }.to raise_error(NoMethodError)
end
end
describe "casted as an array of a different type" do
before(:each) do
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@obj = DummyModel.new(:keywords => ['couch', 'sofa', 'relax', 'canapé'])
end
it "should cast the array properly" do
@obj.keywords.should be_kind_of(Array)
@obj.keywords.first.should == 'couch'
end
end
describe "update attributes without saving" do
before(:each) do
@question = Question.new(:q => "What is your quest?", :a => "To seek the Holy Grail")
end
it "should work for attribute= methods" do
@question.q.should == "What is your quest?"
@question['a'].should == "To seek the Holy Grail"
@question.update_attributes_without_saving(:q => "What is your favorite color?", 'a' => "Blue")
@question['q'].should == "What is your favorite color?"
@question.a.should == "Blue"
end
it "should also work for attributes= alias" do
@question.respond_to?(:attributes=).should be_true
@question.attributes = {:q => "What is your favorite color?", 'a' => "Blue"}
@question['q'].should == "What is your favorite color?"
@question.a.should == "Blue"
end
it "should flip out if an attribute= method is missing" do
lambda {
@q.update_attributes_without_saving('foo' => "something", :a => "No green")
}.should raise_error(NoMethodError)
end
it "should not change any attributes if there is an error" do
lambda {
@q.update_attributes_without_saving('foo' => "something", :a => "No green")
}.should raise_error(NoMethodError)
@question.q.should == "What is your quest?"
@question.a.should == "To seek the Holy Grail"
end
end
describe "saved document with casted models" do
before(:each) do
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reset_test_db!
@obj = DummyModel.new(:casted_attribute => {:name => 'whatever'})
@obj.save.should be_true
@obj = DummyModel.get(@obj.id)
end
it "should be able to load with the casted models" do
casted_obj = @obj.casted_attribute
casted_obj.should_not be_nil
casted_obj.should be_an_instance_of(WithCastedModelMixin)
end
it "should have defined getters for the casted model" do
casted_obj = @obj.casted_attribute
casted_obj.name.should == "whatever"
end
it "should have defined setters for the casted model" do
casted_obj = @obj.casted_attribute
casted_obj.name = "test"
casted_obj.name.should == "test"
end
it "should retain an override of a casted model attribute's default" do
casted_obj = @obj.casted_attribute
casted_obj.details['color'] = 'orange'
@obj.save
casted_obj = DummyModel.get(@obj.id).casted_attribute
casted_obj.details['color'].should == 'orange'
end
end
describe "saving document with array of casted models and validation" do
before :each do
@cat = Cat.new :name => "felix"
@cat.save
end
it "should save" do
toy = CatToy.new :name => "Mouse"
@cat.toys.push(toy)
@cat.save.should be_true
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@cat = Cat.get @cat.id
@cat.toys.class.should == CouchRest::Model::CastedArray
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@cat.toys.first.class.should == CatToy
@cat.toys.first.should === toy
end
it "should fail because name is not present" do
toy = CatToy.new
@cat.toys.push(toy)
@cat.should_not be_valid
@cat.save.should be_false
end
it "should not fail if the casted model doesn't have validation" do
Cat.property :masters, [Person], :default => []
Cat.validates_presence_of :name
cat = Cat.new(:name => 'kitty')
cat.should be_valid
cat.masters.push Person.new
cat.should be_valid
end
end
describe "calling valid?" do
before :each do
@cat = Cat.new
@toy1 = CatToy.new
@toy2 = CatToy.new
@toy3 = CatToy.new
@cat.favorite_toy = @toy1
@cat.toys << @toy2
@cat.toys << @toy3
end
describe "on the top document" do
it "should put errors on all invalid casted models" do
@cat.should_not be_valid
@cat.errors.should_not be_empty
@toy1.errors.should_not be_empty
@toy2.errors.should_not be_empty
@toy3.errors.should_not be_empty
end
it "should not put errors on valid casted models" do
@toy1.name = "Feather"
@toy2.name = "Twine"
@cat.should_not be_valid
@cat.errors.should_not be_empty
@toy1.errors.should be_empty
@toy2.errors.should be_empty
@toy3.errors.should_not be_empty
end
it "should not use dperecated ActiveModel options" do
ActiveSupport::Deprecation.should_not_receive(:warn)
@cat.should_not be_valid
end
end
describe "on a casted model property" do
it "should only validate itself" do
@toy1.should_not be_valid
@toy1.errors.should_not be_empty
@cat.errors.should be_empty
@toy2.errors.should be_empty
@toy3.errors.should be_empty
end
end
describe "on a casted model inside a casted collection" do
it "should only validate itself" do
@toy2.should_not be_valid
@toy2.errors.should_not be_empty
@cat.errors.should be_empty
@toy1.errors.should be_empty
@toy3.errors.should be_empty
end
end
end
describe "calling new? on a casted model" do
before :each do
reset_test_db!
@cat = Cat.new(:name => 'Sockington')
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@favorite_toy = CatToy.new(:name => 'Catnip Ball')
@cat.favorite_toy = @favorite_toy
@cat.toys << CatToy.new(:name => 'Fuzzy Stick')
end
it "should be true on new" do
CatToy.new.should be_new
CatToy.new.new_record?.should be_true
end
it "should be true after assignment" do
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@cat.should be_new
@cat.favorite_toy.should be_new
@cat.toys.first.should be_new
end
it "should not be true after create or save" do
@cat.create
@cat.save
@cat.favorite_toy.should_not be_new
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@cat.toys.first.casted_by.should eql(@cat)
@cat.toys.first.should_not be_new
end
it "should not be true after get from the database" do
@cat.save
@cat = Cat.get(@cat.id)
@cat.favorite_toy.should_not be_new
@cat.toys.first.should_not be_new
end
it "should still be true after a failed create or save" do
@cat.name = nil
@cat.create.should be_false
@cat.save.should be_false
@cat.favorite_toy.should be_new
@cat.toys.first.should be_new
end
end
describe "calling base_doc from a nested casted model" do
before :each do
@course = Course.new(:title => 'Science 101')
@professor = Person.new(:name => ['Professor', 'Plum'])
@cat = Cat.new(:name => 'Scratchy')
@toy1 = CatToy.new
@toy2 = CatToy.new
@course.professor = @professor
@professor.pet = @cat
@cat.favorite_toy = @toy1
@cat.toys << @toy2
end
it 'should let you copy over casted arrays' do
question = Question.new
@course.questions << question
new_course = Course.new
new_course.questions = @course.questions
new_course.questions.should include(question)
end
it "should reference the top document for" do
@course.base_doc.should === @course
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@professor.casted_by.should === @course
@professor.base_doc.should === @course
@cat.base_doc.should === @course
@toy1.base_doc.should === @course
@toy2.base_doc.should === @course
end
it "should call setter on top document" do
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@toy1.base_doc.should_not be_nil
@toy1.base_doc.title = 'Tom Foolery'
@course.title.should == 'Tom Foolery'
end
it "should return nil if not yet casted" do
person = Person.new
person.base_doc.should == nil
end
end
describe "calling base_doc.save from a nested casted model" do
before :each do
reset_test_db!
@cat = Cat.new(:name => 'Snowball')
@toy = CatToy.new
@cat.favorite_toy = @toy
end
it "should not save parent document when casted model is invalid" do
@toy.should_not be_valid
@toy.base_doc.save.should be_false
lambda{@toy.base_doc.save!}.should raise_error
end
it "should save parent document when nested casted model is valid" do
@toy.name = "Mr Squeaks"
@toy.should be_valid
@toy.base_doc.save.should be_true
lambda{@toy.base_doc.save!}.should_not raise_error
end
end
describe "callbacks" do
before(:each) do
@doc = CastedCallbackDoc.new
@model = WithCastedCallBackModel.new
@doc.callback_model = @model
end
describe "validate" do
it "should run before_validation before validating" do
@model.run_before_validation.should be_nil
@model.should be_valid
@model.run_before_validation.should be_true
end
it "should run after_validation after validating" do
@model.run_after_validation.should be_nil
@model.should be_valid
@model.run_after_validation.should be_true
end
end
end
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end