require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
require 'couch/design_document'

describe "DesignDocument" do
  before do
    @doc = Couch::DesignDocument.new
  end

  describe "read" do
    it "should assign key-value pair" do
      @doc.read("key") do |filename|
        "value"
      end
      @doc.hash.should == { "key" => "value" }
    end

    it "should assign two key-value pairs" do
      @doc.read("key1", "key2") do |filename|
        "value"
      end
      @doc.hash.should == { "key1" => "value", "key2" => "value" }
    end

    it "should assign an array of two key-value pairs" do
      @doc.read(["key1", "key2"]) do |filename|
        "value"
      end
      @doc.hash.should == { "key1" => "value", "key2" => "value" }
    end

    it "should assign nested hash" do
      @doc.read("hash/key") do |filename|
        "value"
      end
      @doc.hash.should == { "hash" => { "key" => "value" } }
    end

    it "should assign deep nested hash" do
      @doc.read("hash/hash/key") do |filename|
        "value"
      end
      @doc.hash.should == { "hash" => { "hash" => { "key" => "value" } } }
    end

    describe "_attachments encoding and content_type" do
      it "should proper encode and add plain text content type" do
        @doc.read("_attachments/key") do |filename|
          "value"
        end
        @doc.hash.should == { "_attachments" => { "key" => { "data" => "dmFsdWU=", "content_type" => "text/plain" } } }
      end

      it "should proper encode and add html content type" do
        @doc.read("_attachments/key.html") do |filename|
          "value"
        end
        @doc.hash.should == { "_attachments" => { "key.html" => { "data" => "dmFsdWU=", "content_type" => "text/html" } } }
      end

      it "should proper encode nested keys" do
        @doc.read("_attachments/hash/key") do |filename|
          "value"
        end
        @doc.hash.should == { "_attachments" => { "hash/key" => { "data" => "dmFsdWU=", "content_type" => "text/plain" } } }
      end
    end

    describe "exclude files should not be mapped" do
      it "should not map README" do
        @doc.read("README") do |filename|
          "value"
        end
        @doc.hash.should == {}
      end
    end

    describe "javascript files should be stripped off extension" do
      it "should strip validate_doc_update extension" do
        @doc.read("validate_doc_update.js") do |filename|
          "value"
        end
        @doc.hash.should == { "validate_doc_update" => "value" }
      end

      it "should strip lists/my_list.js" do
        @doc.read("lists/my_list.js") do |filename|
          "value"
        end
        @doc.hash.should == { "lists" => { "my_list" => "value" } }
      end

      it "should strip views/my_view/map.js" do
        @doc.read("views/my_view/map.js") do |filename|
          "value"
        end
        @doc.hash.should == { "views" => { "my_view" => { "map" => "value" } } }
      end
    end

    describe "code makro" do
      it "should expand code" do
        idx = 0
        @doc.read("key", "lib/code.js") do |filename|
          case idx += 1
          when 1
            "// !code code.js"
          when 2
            "value"
          end
        end
        @doc.hash.should == { "key" => "value", "lib" => { "code.js" => "value" } }
      end
    end

    describe "json makro" do
      it "should expand json" do
        idx = 0
        @doc.read("key", "lib/json.json") do |filename|
          case idx += 1
          when 1
            "// !json json.json"
          when 2
            "value"
          end
        end
        @doc.hash.should == { "key" => "var json = \"value\";", "lib" => { "json.json" => "value" } }
      end
    end
  end

  describe "write" do
    it "should return key-value pair" do
      @doc.hash = { "key" => "value" }
      filename, content = nil, nil
      @doc.write do |key, value|
        filename, content = key, value 
      end
      filename.should == "key"
      content.should == "value"
    end

    it "should return subdirectory for nested hash" do
      @doc.hash = { "hash" => { "key" => "value" } }
      filename, content = nil, nil
      @doc.write do |key, value|
        filename, content = key, value 
      end
      filename.should == "hash/key"
      content.should == "value"
    end

    it "should return subdirectory for nested hash" do
      @doc.hash = { "hash" => { "hash" => { "key" => "value" } } }
      filename, content = nil, nil
      @doc.write do |key, value|
        filename, content = key, value 
      end
      filename.should == "hash/hash/key"
      content.should == "value"
    end

    it "should return decoded _attachments data" do
      @doc.hash = { "_attachments" => { "key" => { "data" => "dmFsdWU=" } } }
      filename, content = nil, nil
      @doc.write do |key, value|
        filename, content = key, value 
      end
      filename.should == "_attachments/key"
      content.should == "value"
    end

    describe "javascript extensions" do
      it "should append validate_doc_update" do
        @doc.hash = { "validate_doc_update" => "value" }
        filename = nil
        @doc.write do |key, value|
          filename = key
        end
        filename.should == "validate_doc_update.js"
      end

      it "should append lists/my_list" do
        @doc.hash = { "lists" => { "my_list" => "value" } }
        filename = nil
        @doc.write do |key, value|
          filename = key
        end
        filename.should == "lists/my_list.js"
      end

      it "should append views/my_view/map" do
        @doc.hash = { "views" => { "my_view" => { "map" => "value" } } }
        filename = nil
        @doc.write do |key, value|
          filename = key
        end
        filename.should == "views/my_view/map.js"
      end
    end

    describe "code makro" do
      it "should reject code" do
        @doc.hash = { "key" => "value", "lib" => { "code.js" => "value" } }
        content = nil
        @doc.write do |key, value|
          content = value 
        end
        @doc.hash.should == { "key" => "// !code code.js", "lib" => { "code.js" => "value" } }
        content.should == "// !code code.js"
      end
    end

    describe "json makro" do
      it "should reject json" do
        @doc.hash = { "key" => "var json = \"value\";", "lib" => { "json.json" => "value" } }
        content = nil
        @doc.write do |key, value|
          content = value 
        end
        @doc.hash.should == { "key" => "// !json json.json", "lib" => { "json.json" => "value" } }
        content.should == "// !json json.json"
      end
    end
  end

  describe "json" do
    it "should convert key-value pair" do
      @doc.hash = { "key" => "value" }
      @doc.json.should == '{"key":"value"}'
    end

    it "should convert nested hash" do
      @doc.hash = { "hash" => { "key" => "value" } }
      @doc.json.should == '{"hash":{"key":"value"}}'
    end
  end

  describe "json=" do
    it "should read key-value pair" do
      @doc.json = '{"key":"value"}'
      @doc.hash.should == { "key" => "value" }
    end

    it "should read nested hash" do
      @doc.json = '{"hash":{"key":"value"}}'
      @doc.hash.should == { "hash" => { "key" => "value" } }
    end
  end

  describe "id accessor" do
    it "should return id from hash" do
      @doc.hash = { "_id" => "my_id" }
      @doc.id.should == "my_id"
    end

    it "should return id from couch" do
      Couch.stub!(:id).and_return("my_id")
      @doc.hash = {}
      @doc.id.should == "my_id"
    end
  end

  describe "rev accessor" do
    it "should return rev from hash" do
      @doc.hash = { "_rev" => "my_rev" }
      @doc.rev.should == "my_rev"
    end

    it "should return rev from couch" do
      Couch.stub!(:rev).and_return("my_rev")
      @doc.hash = {}
      @doc.rev.should == "my_rev"
    end

    it "should update rev in hash" do
      @doc.hash = {}
      @doc.rev = "my_rev"
      @doc.hash.should == { "_rev" => "my_rev" }
    end
  end

  describe "database accessor" do
    it "should return database couch" do
      Couch.stub!(:database).and_return("my_db")
      @doc.database.should == "my_db"
    end
  end

  describe "base url" do
    it "should combine database and id" do
      @doc.should_receive(:id).and_return("my_id")
      @doc.should_receive(:database).and_return("my_db")
      @doc.base_url.should == "my_db/my_id"
    end
  end

  describe "url" do
    it "should return base_url without options" do
      @doc.should_receive(:base_url).and_return("my_base_url")
      @doc.url.should == "my_base_url"
    end

    it "should return base_url with options string" do
      @doc.should_receive(:base_url).and_return("my_base_url")
      @doc.url(:key => :value).should == "my_base_url?key=value"
    end

    it "should return base_url with properly escaped options string" do
      @doc.should_receive(:base_url).and_return("my_base_url")
      @doc.url(:key => "value value").should == "my_base_url?key=value%20value"
    end
  end
end