1 files changed, 145 insertions, 0 deletions
diff --git a/spec/helpers/breadcrumbs_helper_spec.rb b/spec/helpers/breadcrumbs_helper_spec.rb
new file mode 100644
index 00000000000..8e2a684656b
--- /dev/null
+++ b/spec/helpers/breadcrumbs_helper_spec.rb
@@ -0,0 +1,145 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe BreadcrumbsHelper do
+  describe '#push_to_schema_breadcrumb' do
+    let(:element_name) { 'BreadCrumbElement' }
+    let(:link) { 'http://test.host/foo' }
+    let(:breadcrumb_list) { helper.instance_variable_get(:@schema_breadcrumb_list) }
+
+    subject { helper.push_to_schema_breadcrumb(element_name, link) }
+
+    it 'enqueue element name, link and position' do
+      subject
+
+      aggregate_failures do
+        expect(breadcrumb_list[0]['name']).to eq element_name
+        expect(breadcrumb_list[0]['item']).to eq link
+        expect(breadcrumb_list[0]['position']).to eq(1)
+      end
+    end
+
+    context 'when link is relative' do
+      let(:link) { '/foo' }
+
+      it 'converts the url into absolute' do
+        subject
+
+        expect(breadcrumb_list[0]['item']).to eq "http://test.host#{link}"
+      end
+    end
+
+    describe 'when link is invalid' do
+      let(:link) { 'invalid://foo[]' }
+
+      it 'returns the current url' do
+        subject
+
+        expect(breadcrumb_list[0]['item']).to eq 'http://test.host'
+      end
+    end
+
+    describe 'when link is nil' do
+      let(:link) { nil }
+
+      it 'returns the current url' do
+        subject
+
+        expect(breadcrumb_list[0]['item']).to eq 'http://test.host'
+      end
+    end
+  end
+
+  describe '#schema_breadcrumb_json' do
+    let(:elements) do
+      [
+        %w(element1 http://test.host/link1),
+        %w(element2 http://test.host/link2)
+      ]
+    end
+
+    subject { helper.schema_breadcrumb_json }
+
+    it 'returns the breadcrumb schema in json format' do
+      enqueue_breadcrumb_elements
+
+      expected_result = {
+        '@context' => 'https://schema.org',
+        '@type' => 'BreadcrumbList',
+        'itemListElement' => [
+          {
+            '@type' => 'ListItem',
+            'position' => 1,
+            'name' => elements[0][0],
+            'item' => elements[0][1]
+          },
+          {
+            '@type' => 'ListItem',
+            'position' => 2,
+            'name' => elements[1][0],
+            'item' => elements[1][1]
+          }
+        ]
+      }.to_json
+
+      expect(subject).to eq expected_result
+    end
+
+    context 'when extra breadcrumb element is added' do
+      let(:extra_elements) do
+        [
+          %w(extra_element1 http://test.host/extra_link1),
+          %w(extra_element2 http://test.host/extra_link2)
+        ]
+      end
+
+      it 'include the extra elements before the last element' do
+        enqueue_breadcrumb_elements
+
+        extra_elements.each do |el|
+          add_to_breadcrumbs(el[0], el[1])
+        end
+
+        expected_result = {
+          '@context' => 'https://schema.org',
+          '@type' => 'BreadcrumbList',
+          'itemListElement' => [
+            {
+              '@type' => 'ListItem',
+              'position' => 1,
+              'name' => elements[0][0],
+              'item' => elements[0][1]
+            },
+            {
+              '@type' => 'ListItem',
+              'position' => 2,
+              'name' => extra_elements[0][0],
+              'item' => extra_elements[0][1]
+            },
+            {
+              '@type' => 'ListItem',
+              'position' => 3,
+              'name' => extra_elements[1][0],
+              'item' => extra_elements[1][1]
+            },
+            {
+              '@type' => 'ListItem',
+              'position' => 4,
+              'name' => elements[1][0],
+              'item' => elements[1][1]
+            }
+          ]
+        }.to_json
+
+        expect(subject).to eq expected_result
+      end
+    end
+
+    def enqueue_breadcrumb_elements
+      elements.each do |el|
+        helper.push_to_schema_breadcrumb(el[0], el[1])
+      end
+    end
+  end
+end