require File.join(File.expand_path(File.dirname(__FILE__)), 'helper')

describe ELC::USPS do
  describe "#new" do
    describe "(with an invalid username)" do
      it "should throw an exception" do
        lambda { ELC::USPS.new('') }.should raise_error
        lambda { ELC::USPS.new(nil) }.should raise_error
      end
    end

    describe "(with a valid username)" do
      it "should succeed" do
        lambda { ELC::USPS.new(VALID_USERNAME) }.should_not raise_error
      end
    end
  end

  describe "#track" do
    describe "(without a tracking number)" do
      it "should throw an exception" do
        lambda { ELC::USPS.new(VALID_USERNAME).track }.should raise_error
      end
    end

    describe "(with an existing tracking number)" do
      before do
        @usps = ELC::USPS.new(VALID_USERNAME)
        @result = @usps.track(TEST_REQUEST_1)
      end

      it "should return a non-empty Array" do
        @result.should be_an_instance_of(Array)
        @result.should_not be_empty
      end

      it "should contain only valid Hashes" do
        @result.each do |event|
          event.should be_an_instance_of(Hash)
          event.keys.reject { |k| VALID_KEYS.include?(k)}.should be_empty
        end
      end

      it "should include a valid Hash" do
        @result.should include({:eventdate    => "May 30, 2001",
                                :event        => "NOTICE LEFT",
                                :eventcity    => "WILMINGTON",
                                :eventstate   => "DE",
                                :eventzipcode => "19801",
                                :eventtime    => "11:07 am"})
      end
    end

    describe "(with a non existing tracking number)" do
      it "should return an empty Array" do
        @result = ELC::USPS.new(VALID_USERNAME).track('XX999999999AR')
        @result.should be_an_instance_of(Array)
        @result.should be_empty
      end
    end

  end
end