spec/persistable_spec.rb

   1 require File.dirname(__FILE__) + '/spec_helper.rb'
   2
   3 class Bike
   4   include CouchObject::Persistable
   5
   6   def initialize
   7     @wheels = 2
   8   end
   9
  10   def to_couch
  11     {:wheels => @wheels}
  12   end
  13 end
  14
  15 describe CouchObject::Persistable, "when mixed into a Class" do
  16   before(:each) do
  17     @bike = Bike.new
  18     @db = mock("mock db")
  19
  20     @empty_response = mock("couch response")
  21     @empty_response.stub!(:code).and_return(200)
  22     @empty_response.stub!(:body).and_return("{}")
  23
  24     @response = mock("couch response")
  25     @response.stub!(:body).and_return("{\"ok\":true, \"_id\":\"123BAC\", \"_rev\":\"946B7D1C\"}")
  26     @response.stub!(:code).and_return(200)
  27
  28     @document_response = mock("couch response")
  29     @document_response.stub!(:body).and_return("{\"title\":\"My Document\", \"_id\":\"123BAC\", \"_rev\":\"946B7D1C\"}")
  30     @document_response.stub!(:code).and_return(200)
  31   end
  32
  33   it "should give the class a save method that saves the object" do
  34     CouchObject::Database.should_receive(:new).and_return(@db)
  35     @db.should_receive(:post).with("", @bike.to_json).and_return(@empty_response)
  36     @bike.save("foo")
  37   end
  38
  39   it "should raise if no to_couch on class" do
  40     klass = Class.new{ include CouchObject::Persistable }
  41     proc{ klass.new.to_json }.should raise_error(CouchObject::Persistable::NoToCouchMethodError)
  42   end
  43
  44   it "should return the doc id on successfull save" do
  45     CouchObject::Database.should_receive(:new).and_return(@db)
  46     @db.should_receive(:post).with("", @bike.to_json).and_return(@response)
  47     @bike.save("foo")["_id"].should == "123BAC"
  48   end
  49
  50   it "should assign the returned id to itself on successful save" do
  51     CouchObject::Database.should_receive(:new).and_return(@db)
  52     @db.should_receive(:post).with("", @bike.to_json).and_return(@response)
  53     @bike.save("foo")
  54     @bike.id.should == "123BAC"
  55   end
  56
  57   it "should know if itself is a new object" do
  58     CouchObject::Database.should_receive(:new).and_return(@db)
  59     @db.should_receive(:post).with("", @bike.to_json).and_return(@response)
  60     @bike.new?.should == true
  61     @bike.save("foo")
  62     @bike.new?.should == false
  63   end
  64
  65   it "should get document by id" do
  66     CouchObject::Database.should_receive(:new).and_return(@db)
  67     @db.should_receive(:get).with("123BAC").and_return(@document_response)
  68     Bike.get_by_id("foo", "123BAC")["title"].should == "My Document"
  69   end
  70 end