Migrate rendered_code_does_not_have_playground_stuff_in_html_when_disabled_in_config to BookTest

tests/rendered_output.rs

@@ -93,25 +93,6 @@ fn check_correct_relative_links_in_print_page() {
     );
 }
 
-#[test]
-fn rendered_code_does_not_have_playground_stuff_in_html_when_disabled_in_config() {
-    let temp = DummyBook::new().build().unwrap();
-    let config = Config::from_str(
-        "
-    [output.html.playground]
-    runnable = false
-    ",
-    )
-    .unwrap();
-    let md = MDBook::load_with_config(temp.path(), config).unwrap();
-    md.build().unwrap();
-
-    let nested = temp.path().join("book/first/nested.html");
-    let playground_class = vec![r#"class="playground""#];
-
-    assert_doesnt_contain_strings(nested, &playground_class);
-}
-
 #[test]
 fn chapter_content_appears_in_rendered_document() {
     let content = vec![

tests/testsuite/playground.rs

@@ -16,3 +16,15 @@ fn playground_on_rust_code() {
 "##]],
     );
 }
+
+// When the playground is disabled, there should be no playground class.
+#[test]
+fn disabled_playground() {
+    BookTest::from_dir("playground/disabled_playground").check_main_file(
+        "book/index.html",
+        str![[r##"
+<h1 id="rust-sample"><a class="header" href="#rust-sample">Rust Sample</a></h1>
+<pre><code class="language-rust">let x = 1;</code></pre>
+"##]],
+    );
+}

tests/testsuite/playground/disabled_playground/book.toml

@@ -0,0 +1,5 @@
+[book]
+title = "playground_on_rust_code"
+
+[output.html.playground]
+runnable = false

tests/testsuite/playground/disabled_playground/src/SUMMARY.md

@@ -0,0 +1,3 @@
+# Summary
+
+- [Rust Playground](./index.md)

tests/testsuite/playground/disabled_playground/src/index.md

@@ -0,0 +1,5 @@
+# Rust Sample
+
+```rust
+let x = 1;
+```