couchrest_model/spec/couchrest/more/casted_model_spec.rb
2009-05-27 13:24:25 -07:00

212 lines
6.3 KiB
Ruby

# encoding: utf-8
require File.join(File.dirname(__FILE__), '..', '..', 'spec_helper')
require File.join(FIXTURE_PATH, 'more', 'card')
require File.join(FIXTURE_PATH, 'more', 'cat')
require File.join(FIXTURE_PATH, 'more', 'person')
require File.join(FIXTURE_PATH, 'more', 'question')
class WithCastedModelMixin < Hash
include CouchRest::CastedModel
property :name
property :no_value
property :details, :default => {}
property :casted_attribute, :cast_as => 'WithCastedModelMixin'
end
class DummyModel < CouchRest::ExtendedDocument
use_database TEST_SERVER.default_database
raise "Default DB not set" if TEST_SERVER.default_database.nil?
property :casted_attribute, :cast_as => 'WithCastedModelMixin'
property :keywords, :cast_as => ["String"]
end
describe CouchRest::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
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
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 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
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)
end
end
describe "casted as an array of a different type" do
before(:each) do
@obj = DummyModel.new(:keywords => ['couch', 'sofa', 'relax', 'canapé'])
end
it "should cast the array propery" do
@obj.keywords.should be_an_instance_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
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
@cat.save
end
it "should save" do
toy = CatToy.new :name => "Mouse"
@cat.toys.push(toy)
@cat.save.should be_true
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, :cast_as => ['Person'], :default => []
Cat.validates_present :name
cat = Cat.new(:name => 'kitty')
cat.should be_valid
cat.masters.push Person.new
cat.should be_valid
end
end
end