Fix bug rendering BlobType markdown data

app/graphql/types/snippets/blob_type.rb

@@ -8,11 +8,11 @@ module Types
       description 'Represents the snippet blob'
       present_using SnippetBlobPresenter
 
-      field :highlighted_data, GraphQL::STRING_TYPE,
+      field :rich_data, GraphQL::STRING_TYPE,
             description: 'Blob highlighted data',
             null: true
 
-      field :plain_highlighted_data, GraphQL::STRING_TYPE,
+      field :plain_data, GraphQL::STRING_TYPE,
             description: 'Blob plain highlighted data',
             null: true
 

app/presenters/snippet_blob_presenter.rb

 # frozen_string_literal: true
 
 class SnippetBlobPresenter < BlobPresenter
-  def highlighted_data
+  def rich_data
     return if blob.binary?
 
-    highlight(plain: false)
+    if markup?
+      blob.rendered_markup
+    else
+      highlight(plain: false)
+    end
   end
 
-  def plain_highlighted_data
+  def plain_data
     return if blob.binary?
 
-    highlight(plain: true)
+    highlight(plain: !markup?)
   end
 
   def raw_path
@@ -23,6 +27,10 @@ class SnippetBlobPresenter < BlobPresenter
 
   private
 
+  def markup?
+    blob.rich_viewer&.partial_name == 'markup'
+  end
+
   def snippet
     blob.snippet
   end

changelogs/unreleased/fj-fix-bug-rendering-snippet-blob-markdown.yml

+---
+title: Fix bug rendering BlobType markdown data
+merge_request: 24960
+author:
+type: fixed

doc/api/graphql/reference/gitlab_schema.graphql

@@ -6757,11 +6757,6 @@ type SnippetBlob {
   """
   binary: Boolean!
 
-  """
-  Blob highlighted data
-  """
-  highlightedData: String
-
   """
   Blob mode
   """
@@ -6780,13 +6775,18 @@ type SnippetBlob {
   """
   Blob plain highlighted data
   """
-  plainHighlightedData: String
+  plainData: String
 
   """
   Blob raw content endpoint path
   """
   rawPath: String!
 
+  """
+  Blob highlighted data
+  """
+  richData: String
+
   """
   Blob content rich viewer
   """

doc/api/graphql/reference/gitlab_schema.json

@@ -7556,20 +7556,6 @@
               "isDeprecated": false,
               "deprecationReason": null
             },
-            {
-              "name": "highlightedData",
-              "description": "Blob highlighted data",
-              "args": [
-
-              ],
-              "type": {
-                "kind": "SCALAR",
-                "name": "String",
-                "ofType": null
-              },
-              "isDeprecated": false,
-              "deprecationReason": null
-            },
             {
               "name": "mode",
               "description": "Blob mode",
@@ -7613,7 +7599,7 @@
               "deprecationReason": null
             },
             {
-              "name": "plainHighlightedData",
+              "name": "plainData",
               "description": "Blob plain highlighted data",
               "args": [
 
@@ -7644,6 +7630,20 @@
               "isDeprecated": false,
               "deprecationReason": null
             },
+            {
+              "name": "richData",
+              "description": "Blob highlighted data",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "SCALAR",
+                "name": "String",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
             {
               "name": "richViewer",
               "description": "Blob content rich viewer",

doc/api/graphql/reference/index.md

@@ -1067,12 +1067,12 @@ Represents the snippet blob
 | Name  | Type  | Description |
 | ---   |  ---- | ----------  |
 | `binary` | Boolean! | Shows whether the blob is binary |
-| `highlightedData` | String | Blob highlighted data |
 | `mode` | String | Blob mode |
 | `name` | String | Blob name |
 | `path` | String | Blob path |
-| `plainHighlightedData` | String | Blob plain highlighted data |
+| `plainData` | String | Blob plain highlighted data |
 | `rawPath` | String! | Blob raw content endpoint path |
+| `richData` | String | Blob highlighted data |
 | `richViewer` | SnippetBlobViewer | Blob content rich viewer |
 | `simpleViewer` | SnippetBlobViewer! | Blob content simple viewer |
 | `size` | Int! | Blob size |

spec/graphql/types/snippets/blob_type_spec.rb

@@ -4,7 +4,7 @@ require 'spec_helper'
 
 describe GitlabSchema.types['SnippetBlob'] do
   it 'has the correct fields' do
-    expected_fields = [:highlighted_data, :plain_highlighted_data,
+    expected_fields = [:rich_data, :plain_data,
                        :raw_path, :size, :binary, :name, :path,
                        :simple_viewer, :rich_viewer, :mode]
 

spec/presenters/snippet_blob_presenter_spec.rb

@@ -3,10 +3,10 @@
 require 'spec_helper'
 
 describe SnippetBlobPresenter do
-  describe '#highlighted_data' do
+  describe '#rich_data' do
     let(:snippet) { build(:personal_snippet) }
 
-    subject { described_class.new(snippet.blob).highlighted_data }
+    subject { described_class.new(snippet.blob).rich_data }
 
     it 'returns nil when the snippet blob is binary' do
       allow(snippet.blob).to receive(:binary?).and_return(true)
@@ -18,7 +18,7 @@ describe SnippetBlobPresenter do
       snippet.file_name = 'test.md'
       snippet.content = '*foo*'
 
-      expect(subject).to eq '<span id="LC1" class="line" lang="markdown"><span class="ge">*foo*</span></span>'
+      expect(subject).to eq '<p data-sourcepos="1:1-1:5" dir="auto"><em>foo</em></p>'
     end
 
     it 'returns syntax highlighted content' do
@@ -37,10 +37,10 @@ describe SnippetBlobPresenter do
     end
   end
 
-  describe '#plain_highlighted_data' do
+  describe '#plain_data' do
     let(:snippet) { build(:personal_snippet) }
 
-    subject { described_class.new(snippet.blob).plain_highlighted_data }
+    subject { described_class.new(snippet.blob).plain_data }
 
     it 'returns nil when the snippet blob is binary' do
       allow(snippet.blob).to receive(:binary?).and_return(true)
@@ -52,7 +52,7 @@ describe SnippetBlobPresenter do
       snippet.file_name = 'test.md'
       snippet.content = '*foo*'
 
-      expect(subject).to eq '<span id="LC1" class="line" lang="">*foo*</span>'
+      expect(subject).to eq '<span id="LC1" class="line" lang="markdown"><span class="ge">*foo*</span></span>'
     end
 
     it 'returns plain syntax content' do

spec/requests/api/graphql/mutations/snippets/create_spec.rb

@@ -67,7 +67,8 @@ describe 'Creating a Snippet' do
       it 'returns the created Snippet' do
         post_graphql_mutation(mutation, current_user: current_user)
 
-        expect(mutation_response['snippet']['blob']['highlightedData']).to match(content)
+        expect(mutation_response['snippet']['blob']['richData']).to match(content)
+        expect(mutation_response['snippet']['blob']['plainData']).to match(content)
         expect(mutation_response['snippet']['title']).to eq(title)
         expect(mutation_response['snippet']['description']).to eq(description)
         expect(mutation_response['snippet']['fileName']).to eq(file_name)
@@ -92,7 +93,8 @@ describe 'Creating a Snippet' do
       it 'returns the created Snippet' do
         post_graphql_mutation(mutation, current_user: current_user)
 
-        expect(mutation_response['snippet']['blob']['highlightedData']).to match(content)
+        expect(mutation_response['snippet']['blob']['richData']).to match(content)
+        expect(mutation_response['snippet']['blob']['plainData']).to match(content)
         expect(mutation_response['snippet']['title']).to eq(title)
         expect(mutation_response['snippet']['description']).to eq(description)
         expect(mutation_response['snippet']['fileName']).to eq(file_name)

spec/requests/api/graphql/mutations/snippets/update_spec.rb

@@ -56,7 +56,8 @@ describe 'Updating a Snippet' do
       it 'returns the updated Snippet' do
         post_graphql_mutation(mutation, current_user: current_user)
 
-        expect(mutation_response['snippet']['blob']['highlightedData']).to match(updated_content)
+        expect(mutation_response['snippet']['blob']['richData']).to match(updated_content)
+        expect(mutation_response['snippet']['blob']['plainData']).to match(updated_content)
         expect(mutation_response['snippet']['title']).to eq(updated_title)
         expect(mutation_response['snippet']['description']).to eq(updated_description)
         expect(mutation_response['snippet']['fileName']).to eq(updated_file_name)
@@ -77,7 +78,8 @@ describe 'Updating a Snippet' do
         it 'returns the Snippet with its original values' do
           post_graphql_mutation(mutation, current_user: current_user)
 
-          expect(mutation_response['snippet']['blob']['highlightedData']).to match(original_content)
+          expect(mutation_response['snippet']['blob']['richData']).to match(original_content)
+          expect(mutation_response['snippet']['blob']['plainData']).to match(original_content)
           expect(mutation_response['snippet']['title']).to eq(original_title)
           expect(mutation_response['snippet']['description']).to eq(original_description)
           expect(mutation_response['snippet']['fileName']).to eq(original_file_name)