Extract content/metadata extraction tests into own spec

spec/models/concerns/publishing_api/content_spec.rb

@@ -0,0 +1,85 @@
+RSpec.describe PublishingApi::Content do
+  subject(:concern_consumer) { Struct.new(:document_hash).include(described_class) }
+
+  describe "#content" do
+    subject(:extracted_content) { concern_consumer.new(document_hash).content }
+
+    describe "with basic top-level fields" do
+      let(:document_hash) do
+        {
+          details: {
+            description: "a",
+            introduction: "b",
+            introductory_paragraph: "c",
+            title: "d",
+            summary: "e",
+            body: "f",
+            need_to_know: "g",
+            more_information: "h",
+          },
+        }
+      end
+
+      it { is_expected.to eq("a\nb\nc\nd\ne\nf\ng\nh") }
+    end
+
+    describe "with contact groups" do
+      let(:document_hash) do
+        {
+          details: {
+            contact_groups: [
+              { title: "x" },
+              { title: "y" },
+              { title: "z" },
+            ],
+          },
+        }
+      end
+
+      it { is_expected.to eq("x\ny\nz") }
+    end
+
+    describe "with parts" do
+      let(:document_hash) do
+        {
+          details: {
+            parts: [
+              {
+                title: "Foo",
+                slug: "/foo",
+                body: [
+                  {
+                    content: "bar",
+                    content_type: "text/html",
+                  },
+                ],
+              },
+              {
+                title: "Bar",
+                slug: "/bar",
+                body: [
+                  {
+                    content: "<blink>baz</blink>",
+                    content_type: "text/html",
+                  },
+                ],
+              },
+            ],
+          },
+        }
+      end
+
+      it { is_expected.to eq("<h1>Foo</h1>\nbar\n<h1>Bar</h1>\n<blink>baz</blink>") }
+    end
+
+    describe "without any fields" do
+      let(:document_hash) do
+        {
+          details: {},
+        }
+      end
+
+      it { is_expected.to be_blank }
+    end
+  end
+end