Return snippet binary blob content in GraphQL

Remove the countermeasure that prevented returning
the content.

app/presenters/snippet_blob_presenter.rb

@@ -4,7 +4,6 @@ class SnippetBlobPresenter < BlobPresenter
   include GitlabRoutingHelper
 
   def rich_data
-    return if blob.binary?
     return unless blob.rich_viewer
 
     render_rich_partial
@@ -17,9 +16,11 @@ class SnippetBlobPresenter < BlobPresenter
   end
 
   def raw_path
-    return gitlab_raw_snippet_blob_path(snippet, blob.path) if snippet_multiple_files?
+    snippet_blob_raw_route(only_path: true)
+  end
 
-    gitlab_raw_snippet_path(snippet)
+  def raw_url
+    snippet_blob_raw_route
   end
 
   private
@@ -38,7 +39,7 @@ class SnippetBlobPresenter < BlobPresenter
 
   def render_rich_partial
     renderer.render("projects/blob/viewers/_#{blob.rich_viewer.partial_name}",
-                    locals: { viewer: blob.rich_viewer, blob: blob, blob_raw_path: raw_path },
+                    locals: { viewer: blob.rich_viewer, blob: blob, blob_raw_path: raw_path, blob_raw_url: raw_url },
                     layout: false)
   end
 
@@ -49,4 +50,10 @@ class SnippetBlobPresenter < BlobPresenter
 
     ApplicationController.renderer.new('warden' => proxy)
   end
+
+  def snippet_blob_raw_route(only_path: false)
+    return gitlab_raw_snippet_blob_url(snippet, blob.path, only_path: only_path) if snippet_multiple_files?
+
+    gitlab_raw_snippet_url(snippet, only_path: only_path)
+  end
 end

changelogs/unreleased/237864-fj-return-snippet-binary-blob-content.yml

+---
+title: Return snippet binary blob content in GraphQL
+merge_request: 39583
+author:
+type: changed

spec/helpers/gitlab_routing_helper_spec.rb

@@ -224,21 +224,10 @@ RSpec.describe GitlabRoutingHelper do
 
       subject { gitlab_raw_snippet_blob_url(snippet, blob.path, ref, args) }
 
-      context 'for a PersonalSnippet' do
-        let(:snippet) { personal_snippet }
-
-        it { expect(subject).to eq("http://test.host/-/snippets/#{snippet.id}/raw/#{ref}/#{blob.path}") }
-      end
-
-      context 'for a ProjectSnippet' do
-        let(:snippet) { project_snippet }
-
-        it { expect(subject).to eq("http://test.host/#{snippet.project.full_path}/-/snippets/#{snippet.id}/raw/#{ref}/#{blob.path}") }
-      end
+      it_behaves_like 'snippet blob raw url'
 
       context 'when an argument is set' do
         let(:args) { { inline: true } }
-
         let(:snippet) { personal_snippet }
 
         it { expect(subject).to eq("http://test.host/-/snippets/#{snippet.id}/raw/#{ref}/#{blob.path}?inline=true") }

spec/presenters/snippet_blob_presenter_spec.rb

@@ -13,13 +13,14 @@ RSpec.describe SnippetBlobPresenter do
     subject { described_class.new(snippet.blob).rich_data }
 
     context 'with PersonalSnippet' do
-      let(:raw_url) { "http://127.0.0.1:3000/-/snippets/#{snippet.id}/raw" }
-      let(:snippet) { build(:personal_snippet) }
+      let(:snippet) { create(:personal_snippet, :repository) }
 
-      it 'returns nil when the snippet blob is binary' do
-        allow(snippet.blob).to receive(:binary?).and_return(true)
+      context 'when blob is binary' do
+        it 'returns the HTML associated with the binary' do
+          allow(snippet).to receive(:blob).and_return(snippet.repository.blob_at('master', 'files/images/logo-black.png'))
 
-        expect(subject).to be_nil
+          expect(subject).to include('file-content image_file')
+        end
       end
 
       context 'with markdown format' do
@@ -108,7 +109,7 @@ RSpec.describe SnippetBlobPresenter do
     end
   end
 
-  describe '#raw_path' do
+  describe 'route helpers' do
     let_it_be(:project)          { create(:project) }
     let_it_be(:user)             { create(:user) }
     let_it_be(:personal_snippet) { create(:personal_snippet, :repository, author: user) }
@@ -118,6 +119,7 @@ RSpec.describe SnippetBlobPresenter do
       project.add_developer(user)
     end
 
+    describe '#raw_path' do
       subject { described_class.new(snippet.blobs.first, current_user: user).raw_path }
 
       it_behaves_like 'snippet blob raw path'
@@ -144,4 +146,37 @@ RSpec.describe SnippetBlobPresenter do
         end
       end
     end
+
+    describe '#raw_url' do
+      subject { described_class.new(snippet.blobs.first, current_user: user).raw_url }
+
+      before do
+        stub_default_url_options(host: 'test.host')
+      end
+
+      it_behaves_like 'snippet blob raw url'
+
+      context 'with snippet_multiple_files feature disabled' do
+        before do
+          stub_feature_flags(snippet_multiple_files: false)
+        end
+
+        context 'with ProjectSnippet' do
+          let(:snippet) { project_snippet }
+
+          it 'returns the raw project snippet url' do
+            expect(subject).to eq("http://test.host/#{project_snippet.project.full_path}/-/snippets/#{project_snippet.id}/raw")
+          end
+        end
+
+        context 'with PersonalSnippet' do
+          let(:snippet) { personal_snippet }
+
+          it 'returns the raw personal snippet url' do
+            expect(subject).to eq("http://test.host/-/snippets/#{personal_snippet.id}/raw")
+          end
+        end
+      end
+    end
+  end
 end

spec/support/shared_examples/snippet_blob_shared_examples.rb

@@ -22,3 +22,24 @@ RSpec.shared_examples 'snippet blob raw path' do
     end
   end
 end
+
+RSpec.shared_examples 'snippet blob raw url' do
+  let(:blob) { snippet.blobs.first }
+  let(:ref)  { blob.repository.root_ref }
+
+  context 'for PersonalSnippets' do
+    let(:snippet) { personal_snippet }
+
+    it 'returns the raw personal snippet blob url' do
+      expect(subject).to eq("http://test.host/-/snippets/#{snippet.id}/raw/#{ref}/#{blob.path}")
+    end
+  end
+
+  context 'for ProjectSnippets' do
+    let(:snippet) { project_snippet }
+
+    it 'returns the raw project snippet blob url' do
+      expect(subject).to eq("http://test.host/#{snippet.project.full_path}/-/snippets/#{snippet.id}/raw/#{ref}/#{blob.path}")
+    end
+  end
+end