JezK
Edit File: test_proxy.rb
require 'test_helper' class FakeNilProxy < MongoMapper::Plugins::Associations::Proxy def find_target; nil end end class FakeBlankProxy < MongoMapper::Plugins::Associations::Proxy def find_target; '' end end class FakeNumberProxy < MongoMapper::Plugins::Associations::Proxy def find_target; 17 end end class FakeProxy < MongoMapper::Plugins::Associations::Proxy def find_target; [1, 2] end end class ProxyTest < Test::Unit::TestCase def setup @owner = mock('owner') @owner.stubs(:new?).returns(false) @association = mock('association') @association.stubs(:options).returns({:extend => []}) @proxy = FakeProxy.new(@owner, @association) @nil_proxy = FakeNilProxy.new(@owner, @association) @blank_proxy = FakeBlankProxy.new(@owner, @association) end should "set target to nil when reset is called" do @proxy.reset @proxy.target.should be_nil end should "be able to inspect the proxy" do @proxy.inspect.should == '[1, 2]' end context "nil?" do should "be true if nil" do @nil_proxy.nil?.should be_true end should "be false if not nil" do @proxy.nil?.should be_false end end context "blank?" do should "be true if blank" do @blank_proxy.blank?.should be_true @nil_proxy.blank?.should be_true end should "be false if not blank" do @proxy.blank?.should be_false end end context "present?" do should "be true if present" do @proxy.present?.should be_true end should "be false if not present" do @blank_proxy.present?.should be_false @nil_proxy.present?.should be_false end end should "delegate respond_to? to target" do @proxy.respond_to?(:each).should be_true @proxy.respond_to?(:size).should be_true @proxy.respond_to?(:gsub).should be_false end should "alias proxy owner to owner" do @proxy.proxy_owner.should == @owner end should "alias proxy target to target" do @proxy.proxy_target.should == @target end context "send" do should "work if proxy responds to method" do @proxy.send(:reset) @proxy.target.should be_nil end should "work if the target responds to the method" do @proxy.send(:size).should == 2 end should "not work if neither the proxy or target respond to method" do lambda { @proxy.send(:gsub) }.should raise_error end end end