couchrest_model/spec/couchrest/proxyable_spec.rb

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require File.expand_path("../../spec_helper", __FILE__)
require File.join(FIXTURE_PATH, 'more', 'cat')
class DummyProxyable < CouchRest::Model::Base
def proxy_database
'db' # Do not use this!
end
end
class ProxyKitten < CouchRest::Model::Base
end
describe "Proxyable" do
describe "class methods" do
before(:each) do
@class = DummyProxyable.clone
end
describe ".proxy_owner_method" do
it "should provide proxy_owner_method accessors" do
@class.should respond_to(:proxy_owner_method)
@class.should respond_to(:proxy_owner_method=)
end
it "should work as expected" do
@class.proxy_owner_method = "foo"
@class.proxy_owner_method.should eql("foo")
end
end
describe ".proxy_for" do
it "should be provided" do
@class.should respond_to(:proxy_for)
end
it "should create a new method" do
DummyProxyable.stub!(:method_defined?).and_return(true)
DummyProxyable.proxy_for(:cats)
DummyProxyable.new.should respond_to(:cats)
end
describe "generated method" do
it "should call ModelProxy" do
DummyProxyable.proxy_for(:cats)
@obj = DummyProxyable.new
CouchRest::Model::Proxyable::ModelProxy.should_receive(:new).with(Cat, @obj, 'dummy_proxyable', 'db').and_return(true)
@obj.should_receive('proxy_database').and_return('db')
@obj.should_receive(:respond_to?).with('proxy_database').and_return(true)
@obj.cats
end
it "should call class on root namespace" do
class ::Document < CouchRest::Model::Base
def self.foo; puts 'bar'; end
end
DummyProxyable.proxy_for(:documents)
@obj = DummyProxyable.new
CouchRest::Model::Proxyable::ModelProxy.should_receive(:new).with(::Document, @obj, 'dummy_proxyable', 'db').and_return(true)
@obj.should_receive('proxy_database').and_return('db')
@obj.should_receive(:respond_to?).with('proxy_database').and_return(true)
@obj.documents
end
it "should raise an error if the database method is missing" do
@class.proxy_for(:cats)
@obj = @class.new
@obj.should_receive(:respond_to?).with('proxy_database').and_return(false)
lambda { @obj.cats }.should raise_error(StandardError, "Missing #proxy_database method for proxy")
end
it "should raise an error if custom database method missing" do
@class.proxy_for(:proxy_kittens, :database_method => "foobardom")
@obj = @class.new
lambda { @obj.proxy_kittens }.should raise_error(StandardError, "Missing #foobardom method for proxy")
end
end
end
describe ".proxied_by" do
it "should be provided" do
@class.should respond_to(:proxied_by)
end
it "should add an attribute accessor" do
@class.proxied_by(:foobar)
@class.new.should respond_to(:foobar)
end
it "should provide #model_proxy method" do
@class.proxied_by(:foobar)
@class.new.should respond_to(:model_proxy)
end
it "should set the proxy_owner_method" do
@class.proxied_by(:foobar)
@class.proxy_owner_method.should eql(:foobar)
end
it "should raise an error if model name pre-defined" do
lambda { @class.proxied_by(:object_id) }.should raise_error
end
it "should raise an error if object already has a proxy" do
@class.proxied_by(:department)
lambda { @class.proxied_by(:company) }.should raise_error
end
end
end
describe "ModelProxy" do
before :all do
@klass = CouchRest::Model::Proxyable::ModelProxy
end
it "should initialize and set variables" do
@obj = @klass.new(Cat, 'owner', 'owner_name', 'database')
@obj.model.should eql(Cat)
@obj.owner.should eql('owner')
@obj.owner_name.should eql('owner_name')
@obj.database.should eql('database')
end
describe "instance" do
before :each do
@obj = @klass.new(Cat, 'owner', 'owner_name', 'database')
end
it "should proxy new call" do
Cat.should_receive(:new).and_return({})
@obj.should_receive(:proxy_update).and_return(true)
@obj.new
end
it "should proxy build_from_database" do
Cat.should_receive(:build_from_database).and_return({})
@obj.should_receive(:proxy_update).with({}).and_return(true)
@obj.build_from_database
end
describe "#method_missing" do
it "should return design view object" do
m = "by_some_property"
inst = mock('DesignView')
inst.stub!(:proxy).and_return(inst)
@obj.should_receive(:has_view?).with(m).and_return(true)
Cat.should_receive(:respond_to?).with(m).and_return(true)
Cat.should_receive(:send).with(m).and_return(inst)
@obj.method_missing(m).should eql(inst)
end
it "should call view if necessary" do
m = "by_some_property"
@obj.should_receive(:has_view?).with(m).and_return(true)
Cat.should_receive(:respond_to?).with(m).and_return(false)
@obj.should_receive(:view).with(m, {}).and_return('view')
@obj.method_missing(m).should eql('view')
end
it "should provide wrapper for #first_from_view" do
m = "find_by_some_property"
view = "by_some_property"
@obj.should_receive(:has_view?).with(m).and_return(false)
@obj.should_receive(:has_view?).with(view).and_return(true)
@obj.should_receive(:first_from_view).with(view).and_return('view')
@obj.method_missing(m).should eql('view')
end
end
it "should proxy #all" do
Cat.should_receive(:all).with({:database => 'database'})
@obj.should_receive(:proxy_update_all)
@obj.all
end
it "should proxy #count" do
Cat.should_receive(:all).with({:database => 'database', :raw => true, :limit => 0}).and_return({'total_rows' => 3})
@obj.count.should eql(3)
end
it "should proxy #first" do
Cat.should_receive(:first).with({:database => 'database'})
@obj.should_receive(:proxy_update)
@obj.first
end
it "should proxy #last" do
Cat.should_receive(:last).with({:database => 'database'})
@obj.should_receive(:proxy_update)
@obj.last
end
it "should proxy #get" do
Cat.should_receive(:get).with(32, 'database')
@obj.should_receive(:proxy_update)
@obj.get(32)
end
it "should proxy #find" do
Cat.should_receive(:get).with(32, 'database')
@obj.should_receive(:proxy_update)
@obj.find(32)
end
it "should proxy #has_view?" do
Cat.should_receive(:has_view?).with('view').and_return(false)
@obj.has_view?('view')
end
it "should proxy #view_by" do
Cat.should_receive(:view_by).with('name').and_return(false)
@obj.view_by('name')
end
it "should proxy #view" do
Cat.should_receive(:view).with('view', {:database => 'database'})
@obj.should_receive(:proxy_update_all)
@obj.view('view')
end
it "should proxy #first_from_view" do
Cat.should_receive(:first_from_view).with('view', {:database => 'database'})
@obj.should_receive(:proxy_update)
@obj.first_from_view('view')
end
it "should proxy design_doc" do
Cat.should_receive(:design_doc)
@obj.design_doc
end
describe "#save_design_doc" do
it "should be proxied without args" do
Cat.should_receive(:save_design_doc).with('database')
@obj.save_design_doc
end
it "should be proxied with database arg" do
Cat.should_receive(:save_design_doc).with('db')
@obj.save_design_doc('db')
end
end
### Updating methods
describe "#proxy_update" do
it "should set returned doc fields" do
doc = mock(:Document)
doc.should_receive(:is_a?).with(Cat).and_return(true)
doc.should_receive(:database=).with('database')
doc.should_receive(:model_proxy=).with(@obj)
doc.should_receive(:send).with('owner_name=', 'owner')
@obj.send(:proxy_update, doc).should eql(doc)
end
it "should not set anything if matching document not provided" do
doc = mock(:DocumentFoo)
doc.should_receive(:is_a?).with(Cat).and_return(false)
doc.should_not_receive(:database=)
doc.should_not_receive(:model_proxy=)
doc.should_not_receive(:owner_name=)
@obj.send(:proxy_update, doc).should eql(doc)
end
it "should pass nil straight through without errors" do
lambda { @obj.send(:proxy_update, nil).should eql(nil) }.should_not raise_error
end
end
it "#proxy_update_all should update array of docs" do
docs = [{}, {}]
@obj.should_receive(:proxy_update).twice.with({})
@obj.send(:proxy_update_all, docs)
end
end
end
describe "scenarios" do
before :all do
class ProxyableCompany < CouchRest::Model::Base
use_database DB
property :slug
proxy_for :proxyable_invoices
def proxy_database
@db ||= TEST_SERVER.database!(TESTDB + "-#{slug}")
end
end
class ProxyableInvoice < CouchRest::Model::Base
property :client
property :total
proxied_by :proxyable_company
validates_uniqueness_of :client
design do
view :by_total
end
end
@company = ProxyableCompany.create(:slug => 'samco')
end
it "should create the new database" do
@company.proxyable_invoices.all.should be_empty
TEST_SERVER.databases.find{|db| db =~ /#{TESTDB}-samco/}.should_not be_nil
end
it "should allow creation of new entries" do
inv = @company.proxyable_invoices.new(:client => "Lorena", :total => 35)
inv.database.should_not be_nil
inv.save.should be_true
@company.proxyable_invoices.count.should eql(1)
@company.proxyable_invoices.first.client.should eql("Lorena")
end
it "should validate uniqueness" do
inv = @company.proxyable_invoices.new(:client => "Lorena", :total => 40)
inv.save.should be_false
end
it "should allow design views" do
item = @company.proxyable_invoices.by_total.key(35).first
item.client.should eql('Lorena')
end
end
end