test: update fenced markdown expectations

tests/test_1325_user_fenced_code.py

@@ -126,7 +126,7 @@ class TestUserFencedBlocks:
     def test_four_backtick_outer_fence_preserves_inner_triple_fence(self):
         """User-message code fences should follow CommonMark fence-length matching too."""
         out = _run_user_render("````md\n```inner\nfoo\n```\n````")
-        assert out.count("<pre>") == 1
+        assert out.count("<pre class=\"md-source-block\">") == 1
         assert out.count("</pre>") == 1
         assert '<div class="pre-header">md</div>' in out
         assert "```inner" in out

tests/test_csv_table_rendering.py

@@ -41,7 +41,9 @@ def test_csv_fence_fallback_for_insufficient_rows():
         src = f.read()
     fence_section = src[src.find("lang==='csv'"):src.find("lang==='csv'") + 800]
     assert 'rows.length>=2' in fence_section, "Should check for at least 2 rows"
-    assert '<pre><code' in fence_section, "Fallback should render as <pre><code>"
+    assert '<pre${preClass}><code${langAttr}>' in fence_section, (
+        "Fallback should render via the shared preClass-aware code-block template"
+    )
 
 
 def test_csv_media_file_handler():

tests/test_issue_code_syntax_highlight.py

@@ -17,9 +17,10 @@ def test_fenced_code_blocks_add_prism_language_class():
 def test_fenced_code_blocks_keep_existing_pre_header_layout():
     js = _read_ui_js()
     # The fenced code rendering was moved into the stash callback (#1154 fix).
-    # The template string now uses `lang` instead of `normalizedLang`.
-    assert '${h}<pre><code${langAttr}>${esc(code.replace(/\\n$/,' in js, (
-        "The syntax-highlight fix should preserve the existing fenced code block layout"
+    # The template string now uses `lang` instead of `normalizedLang`, and
+    # markdown-source fences may add a dedicated md-source-block class.
+    assert '${h}<pre${preClass}><code${langAttr}>${esc(code.replace(/\\n$/,' in js, (
+        "The syntax-highlight fix should preserve the shared fenced code block layout"
     )
     assert '<div class="code-block">' not in js, (
         "This fix should not introduce a new wrapper around fenced code blocks"

tests/test_renderer_js_behaviour.py

@@ -397,7 +397,7 @@ class TestFencedCodeFenceLength:
             "That is much more correct than pretending"
         )
         out = _render(driver_path, src)
-        assert out.count("<pre>") == 1
+        assert out.count("<pre class=\"md-source-block\">") == 1
         assert out.count("</pre>") == 1
         assert '<div class="pre-header">md</div>' in out
         assert "```novelcrafter" in out
@@ -408,7 +408,7 @@ class TestFencedCodeFenceLength:
 
     def test_four_backtick_outer_fence_preserves_inner_triple_fence(self, driver_path):
         out = _render(driver_path, "````md\n```inner\nfoo\n```\n````\n")
-        assert out.count("<pre>") == 1
+        assert out.count("<pre class=\"md-source-block\">") == 1
         assert out.count("</pre>") == 1
         assert '<div class="pre-header">md</div>' in out
         assert "```inner" in out