require "spec_helper"

describe Shortcode::Tag do
  let(:configuration) {
    Shortcode.new.tap { |s|
      s.setup do |config|
        config.template_path = File.join File.dirname(__FILE__), "../support/templates/erb"
      end
    }.configuration
  }

  context "when the template file is missing" do
    let(:tag) { described_class.new("doesnt_exist", configuration) }

    it "raises a TemplateNotFound error when the file doesn't exists" do
      expect { tag.render }.to raise_error(Shortcode::TemplateNotFound)
    end
  end

  context "when an unsupported template parser is specified" do
    before do
      configuration.template_parser = :something_crazy
    end

    let(:tag) { described_class.new("quote", configuration) }

    it "raises a TemplateNotFound error when the file doesn't exists" do
      expect { tag.render }.to raise_error(Shortcode::TemplateParserNotSupported)
    end
  end

  context "templates from strings" do
    let(:tag) { described_class.new("from_string", configuration, [{ key: "string", value: "batman" }]) }

    before do
      configuration.templates[:from_string] = "<p><%= @attributes[:string] %></p>"
    end

    it "renders a template from a string" do
      expect(tag.render).to eq("<p>batman</p>")
    end
  end

  context "when the template is missing from the config" do
    let(:tag) { described_class.new("missing", configuration, [{ key: "string", value: "batman" }]) }

    before do
      configuration.templates[:from_string] = "<p><%= @attributes[:string] %></p>"
    end

    it "raises an error" do
      expect { tag.render }.to raise_error(Shortcode::TemplateNotFound)
    end
  end

  context "when templates exist both in configuration and file system" do
    let(:tag) { described_class.new("quote", configuration) }

    before do
      configuration.templates[:quote] = "<p><%= @content %></p>"
    end

    it "uses the configuration template when check_config_templates_first is true" do
      expect(tag.markup).to eq("<p><%= @content %></p>")
    end

    it "uses the file system template when check_config_templates_first is false" do
      configuration.check_config_templates_first = false

      expect(tag.markup).to eq(File.open("spec/support/templates/erb/quote.html.erb").read)
    end
  end
end