module CDQ
  describe "CDQ Collection Proxy" do
    before do
      class << self
        include CDQ
      end

      cdq.setup

      @author = Author.create(name: "Stephen King")
      @articles = [
        Article.create(title: "The Gunslinger", author: @author),
        Article.create(title: "The Drawing of the Three", author: @author),
        Article.create(title: "The Waste Lands", author: @author),
        Article.create(title: "Wizard and Glass", author: @author),
        Article.create(title: "The Wolves of the Calla", author: @author),
        Article.create(title: "Song of Susannah", author: @author),
        Article.create(title: "The Dark Tower", author: @author)
      ]

      @cp = CDQCollectionProxy.new(@articles, @articles.first.entity)

    end

    after do
      cdq.reset!
    end

    it "wraps an array of objects" do
      @cp.get.should == @articles
    end

    it "can use a where query" do
      q = @cp.where(:title).contains(" of ").sort_by(:title)
      q.count.should == 3
      q.array.should == [1,4,5].map { |i| @articles[i] }.sort_by(&:title)
    end

    it "behaves properly when given an empty set" do
      cp = CDQCollectionProxy.new([], @articles.first.entity)
      cp.get.should == []
      cp.count.should == 0
      q = cp.or(:title).contains(" of ").sort_by(:title)
      q.count.should == 3
      q.array.should == [1,4,5].map { |i| @articles[i] }.sort_by(&:title)
    end

  end
end