require 'rails_helper'

module MnoEnterprise
  describe ImageHelper do

    let(:folder) { "/app/assets/images/mno_enterprise" }
    let(:root) {"#{Rails.root}#{folder}"}
    let(:path_engine_main_logo) { "#{MnoEnterprise::Engine.root}#{folder}/main-logo.png" }    
    let(:path_main_logo) { "#{root}/main-logo.png" }
    let(:path_main_logo_white) { "#{root}/main-logo-whitebg.png" }

    describe "#main_logo_white_bg_path" do
    
      context "when no logos exist"  do

        it "returns the engine main-logo filename" do
          expect(helper.main_logo_white_bg_path).to match("mno_enterprise/main-logo.png")
        end

        it "returns the engine main-logo full path"  do
          expect(helper.main_logo_white_bg_path(true)).to match(path_engine_main_logo)
        end
      end

      context "when main-logo.png exists and main-logo-whitebg.png do not exist"  do
        before { allow(File).to receive(:exists?).with(path_main_logo_white).and_return(false) }
        before { allow(File).to receive(:exists?).with(path_main_logo).and_return(true) }
        
        it "returns the main-logo filename" do
          expect(helper.main_logo_white_bg_path).to match("mno_enterprise/main-logo.png")
        end

        it "returns the main-logo full path"  do
          expect(helper.main_logo_white_bg_path(true)).to match(path_main_logo)
        end
      end

      context "when main-logo-whitebg.png exists"  do
        before { allow(File).to receive(:exists?).with(path_main_logo_white).and_return(true) }
        
        it "returns the filename" do
          expect(helper.main_logo_white_bg_path).to match("mno_enterprise/main-logo-whitebg.png")
        end

        it "returns the full path"  do
          expect(helper.main_logo_white_bg_path(true)).to match(path_main_logo_white)
        end
      end
    end
    
    describe "#main_logo_path" do

      context "when there are no logos" do

        it "returns the engines main-logo " do
          expect(helper.main_logo_path).to match(path_engine_main_logo)
        end
      end

      context "when main-logo.png exists"  do
        before { allow(File).to receive(:exists?).with(path_main_logo).and_return(true) }

        it "returns the full path"  do
          expect(helper.main_logo_path).to match(path_main_logo)
        end
      end
    end
  end
end