RSpec.describe GitTrend do
  before do
    stub_request(:get, /.*/)
      .to_return(status: 200, headers: { content_type: "text/html" }, body: load_http_stub("trending"))
  end

  describe "#get" do
    context "without options" do
      it "Scraper#get call without options" do
        expect_any_instance_of(Scraper).to receive(:get).with(no_args)
        GitTrend.get
      end
    end

    context "parameter is 'ruby'" do
      it "Scraper#get call with 'ruby'" do
        expect_any_instance_of(Scraper).to receive(:get).with("ruby")
        GitTrend.get("ruby")
      end
    end

    context "parameter is :ruby" do
      it "Scraper#get call with :ruby" do
        expect_any_instance_of(Scraper).to receive(:get).with(:ruby)
        GitTrend.get(:ruby)
      end
    end

    context "parameter is since: :weekly" do
      it "Scraper#get call with [nil, :weekly]" do
        expect_any_instance_of(Scraper).to receive(:get).with(nil, :weekly)
        GitTrend.get(since: :weekly)
      end
    end

    context "parameter is since: :week" do
      it "Scraper#get call with [nil, :week]" do
        expect_any_instance_of(Scraper).to receive(:get).with(nil, :week)
        GitTrend.get(since: :week)
      end
    end

    context "parameter is since: :w" do
      it "Scraper#get call with [nil, :w]" do
        expect_any_instance_of(Scraper).to receive(:get).with(nil, :w)
        GitTrend.get(since: :w)
      end
    end

    context "parameters are 'ruby', 'weekly'" do
      it "Scraper#get call with ['ruby', 'weekly']" do
        expect_any_instance_of(Scraper).to receive(:get).with("ruby", "weekly")
        GitTrend.get("ruby", "weekly")
      end
    end

    context "parameters are :ruby, :weekly" do
      it "Scraper#get call with [:ruby, :weekly]" do
        expect_any_instance_of(Scraper).to receive(:get).with(:ruby, :weekly)
        GitTrend.get(:ruby, :weekly)
      end
    end

    context "parameters are language: :ruby, since: :weekly" do
      it "Scraper#get call with [:ruby, :weekly]" do
        expect_any_instance_of(Scraper).to receive(:get).with(:ruby, :weekly)
        GitTrend.get(language: :ruby, since: :weekly)
      end
    end

    context "when too many parameters" do
      it { expect { GitTrend.get("ruby", "weekly", "many_params") }.to raise_error(Exception) }
    end

    describe "#languages" do
      it "Scraper#languages call" do
        expect_any_instance_of(Scraper).to receive(:languages).with(no_args)
        GitTrend.languages
      end
    end
  end
end