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

U = DataCatalog::ImporterFramework::Utility

describe "Utility" do

  describe "normalize_url" do
    it "add trailing slash if missing" do
      U.normalize_url("sunlightlabs.com").should ==
        "http://sunlightlabs.com/"
    end

    it "lowercases" do
      U.normalize_url("http://SunlightLabs.com/").should ==
        "http://sunlightlabs.com/"
    end

    it "adds http if missing" do
      U.normalize_url("sunlightlabs.com/").should ==
        "http://sunlightlabs.com/"
    end
  end
  
  describe "absolute_url" do
    it "should work" do
      U.absolute_url("http://sunlightlabs.com", "/contact").should ==
        "http://sunlightlabs.com/contact"
    end
  end
  
  describe "single_line_clean" do
    it "should clean up leading and trailing whitespace" do
      U.single_line_clean("\t \ttext\t\t ").should == "text"
    end

    it "should clean up leading and trailing newlines" do
      U.single_line_clean("\n\ntext\n\n").should == "text"
    end

    it "should clean up all newlines" do
      U.single_line_clean("sunlight\nlabs").should == "sunlight labs"
    end
  end
  
  describe "multi_line_clean" do
    it "should remove leading and trailing newlines" do
      input = "\nline 1\nline 2\nline 3\n"
      U.multi_line_clean(input).should == "line 1\nline 2\nline 3"
    end
  end
  
  describe "fetch" do
    before do
      @readable = Object.new
      @readable.stub(:read).and_return("result")

      @sleep_count = 0
      U.stub(:sleep).and_return {
        @sleep_count += 1
      }
    end

    it "should work" do
      U.stub(:open).and_return(@readable)
      U.fetch("fake", :quiet => true).should == "result"
    end
    
    it "bad fetches below retry limit are ok" do
      @count = 0
      U.stub(:open).and_return {
        @count += 1
        if @count <= 2
          raise StandardError
        else
          @readable
        end
      }
      U.fetch("fake", :max_attempts => 3, :quiet => true).should == "result"
      @sleep_count.should == 2
    end

    it "bad fetches above retry limit give nil" do
      @count = 0
      U.stub(:open).and_return {
        @count += 1
        if @count <= 2
          raise StandardError
        else
          @readable
        end
      }
      U.fetch("fake", :max_attempts => 2, :quiet => true).should == nil
      @sleep_count.should == 1
    end
    
  end
  
end