Add test for global options in window.Apex

lib/apex_charts/renderer.rb

@@ -19,7 +19,7 @@ def initialize(options)
 
     def render
       html = ''
-      html = window_apex if id_number == '1' && !ApexCharts.config.default_options.empty?
+      html = window_apex if id_number == '1' && !default_options.empty?
 
       chart_rendering = <<~JS
         var #{variable} = new ApexCharts(document.querySelector("##{element_id}"), #{substitute_function_object(options.to_json)});
@@ -97,7 +97,7 @@ def style
     end
 
     def window_apex
-      script("window.Apex = #{ApexCharts.config.default_options.to_json}")
+      script("window.Apex = #{default_options.to_json}")
     end
 
     def script(js)
@@ -114,5 +114,12 @@ def indent(content, times=2)
         (index.zero? ? '' : '  ' * times) + line
       end.join
     end
+
+    def default_options
+      @default_options ||=
+        ApexCharts.config.default_options.reject do |option|
+          %i[defer module].include?(option)
+        end
+    end
   end
 end

spec/renderer_spec.rb

@@ -37,22 +37,44 @@
       expect(parsed.at("script:contains('function(value){return value + \" rabbits\"')")).not_to \
         be_nil
     end
-  end
 
-  context '.render when defer = true' do
-    it 'renders div and script elements' do
-      html = described_class.render(options.merge({defer: true}))
+    context 'when global options are set' do
+      let(:default_options) { { tootip: true } }
+
+      before do
+        allow(ApexCharts.config)
+          .to receive(:default_options)
+          .and_return(default_options)
+      end
+
+      it 'renders a script with window.Apex initialization ' \
+         'before rendering first chart' do
+        html = described_class.render(options.merge(div: {id: 'chart-1'}))
+        parsed = Nokogiri::HTML.parse(html)
+        script = parsed.css('script')
+
+        expect(script).not_to be_empty
 
-      expect(html).to include 'var createChart = function()'
-      expect(html).to include 'window.addEventListener'
+        expect(script.text)
+          .to include("window.Apex = #{default_options.to_json}")
+      end
     end
-  end
 
-  context '.render when module = true' do
-    it 'renders div and script elements' do
-      html = described_class.render(options.merge({module: true}))
+    context 'when defer = true' do
+      it 'renders div and script elements' do
+        html = described_class.render(options.merge({defer: true}))
+
+        expect(html).to include 'var createChart = function()'
+        expect(html).to include 'window.addEventListener'
+      end
+    end
+
+    context 'when module = true' do
+      it 'renders div and script elements' do
+        html = described_class.render(options.merge({module: true}))
 
-      expect(html).to include 'type="module"'
+        expect(html).to include 'type="module"'
+      end
     end
   end
 end