fix: issue #35 validation expected unrendered .lang translation variant routes; main-language lists now render main-language translations

test/bds/generation_test.exs

@@ -1473,6 +1473,123 @@ defmodule BDS.GenerationTest do
            )
   end
 
+  test "validate_site reports no missing pages for main-language translations of foreign-language posts",
+       %{project: project, temp_dir: temp_dir} do
+    assert {:ok, _metadata} =
+             Metadata.update_project_metadata(project.id, %{
+               public_url: "https://example.com/blog",
+               main_language: "de",
+               blog_languages: ["de", "en"]
+             })
+
+    assert {:ok, post} =
+             Posts.create_post(%{
+               project_id: project.id,
+               title: "English Original",
+               content: "English body",
+               language: "en"
+             })
+
+    created_at = DateTime.to_unix(~U[2026-04-15 12:00:00Z])
+
+    Repo.update_all(from(p in BDS.Posts.Post, where: p.id == ^post.id),
+      set: [created_at: created_at, updated_at: created_at]
+    )
+
+    assert {:ok, _translation} =
+             Posts.upsert_post_translation(post.id, "de", %{
+               title: "Deutsches Original",
+               content: "Deutscher Inhalt"
+             })
+
+    assert {:ok, published_post} = Posts.publish_post(post.id)
+    assert {:ok, _result} = BDS.Generation.generate_site(project.id, [:core, :single])
+    assert {:ok, report} = BDS.Generation.validate_site(project.id, [:core, :single])
+
+    assert report.missing_url_paths == []
+    assert report.extra_url_paths == []
+    assert report.updated_post_url_paths == []
+
+    canonical_html =
+      File.read!(
+        Path.join([temp_dir, "html", BDS.Generation.post_output_path(published_post)])
+      )
+
+    english_html =
+      File.read!(
+        Path.join([temp_dir, "html", BDS.Generation.post_output_path(published_post, "en")])
+      )
+
+    assert canonical_html =~ "Deutscher Inhalt"
+    assert english_html =~ "English body"
+
+    sitemap_xml = File.read!(Path.join([temp_dir, "html", "sitemap.xml"]))
+
+    refute sitemap_xml =~ "english-original.de"
+  end
+
+  test "main-language list pages and feeds use main-language translations of foreign-language posts",
+       %{project: project, temp_dir: temp_dir} do
+    assert {:ok, _metadata} =
+             Metadata.update_project_metadata(project.id, %{
+               public_url: "https://example.com/blog",
+               main_language: "de",
+               blog_languages: ["de", "en"]
+             })
+
+    assert {:ok, post} =
+             Posts.create_post(%{
+               project_id: project.id,
+               title: "English List Original",
+               content: "English list body",
+               language: "en",
+               categories: ["notes"],
+               tags: ["Elixir"]
+             })
+
+    created_at = DateTime.to_unix(~U[2026-04-15 12:00:00Z])
+
+    Repo.update_all(from(p in BDS.Posts.Post, where: p.id == ^post.id),
+      set: [created_at: created_at, updated_at: created_at]
+    )
+
+    assert {:ok, _translation} =
+             Posts.upsert_post_translation(post.id, "de", %{
+               title: "Deutsche Listenfassung",
+               content: "Deutscher Listeninhalt"
+             })
+
+    assert {:ok, _published_post} = Posts.publish_post(post.id)
+
+    assert {:ok, _result} =
+             BDS.Generation.generate_site(project.id, [:core, :single, :category, :tag, :date])
+
+    read_output = fn segments -> File.read!(Path.join([temp_dir, "html" | segments])) end
+
+    for segments <- [
+          ["index.html"],
+          ["rss.xml"],
+          ["atom.xml"],
+          ["category", "notes", "index.html"],
+          ["tag", "Elixir", "index.html"],
+          ["2026", "index.html"]
+        ] do
+      html = read_output.(segments)
+      assert html =~ "Deutsche Listenfassung", "expected translated title in #{Path.join(segments)}"
+      refute html =~ "English List Original", "unexpected original title in #{Path.join(segments)}"
+    end
+
+    for segments <- [
+          ["en", "index.html"],
+          ["en", "rss.xml"],
+          ["en", "category", "notes", "index.html"]
+        ] do
+      html = read_output.(segments)
+      assert html =~ "English List Original", "expected original title in #{Path.join(segments)}"
+      refute html =~ "Deutsche Listenfassung", "unexpected translated title in #{Path.join(segments)}"
+    end
+  end
+
   test "validate_site follows old language subtree expectations and combined sitemap output", %{
     project: project,
     temp_dir: temp_dir