open a zoom link in a calendar entry about calendar-assistant HOT 6 CLOSED

# CLI
    describe "join" do
      it "calls #find_current_av_url"

      context "when there is no URL" do
        it "prints a notice message"
      end

      context "when there is a URL" do
        context "with --print option" do
          it "prints the meeting URL"
        end

        context "by default" do
          it "launches the meeting URL in your browser"
        end
      end
    end

# Impl
    describe "#find_current_av_url" do
      context "no current meeting" do
        it "returns nil"
      end

      context "a current meeting" do
        context "it's declined" do
          it "returns nil"
        end

        context "it's not declined" do
          context "it has no known meeting URL" do
            it "returns nil"
          end
          
          context "it has a zoom" do
            it "returns the zoom URL"
          end
        end
      end

      context "multiple current meetings" do
        it "picks any non-declined meeting with a zoom URL and returns it"
      end
    end