test: use delimiter-aware frontmatter extraction in roundtrip test

clean6378-max-it · clean6378-max-it · commit eaa4a0d3e626 · 2026-07-02T02:28:27.000+08:00
Drop brittle md.split('---') assertion; _extract_frontmatter_dict already
covers the same check with proper delimiter handling.
diff --git a/tests/test_md_exporter_yaml.py b/tests/test_md_exporter_yaml.py
@@ -79,7 +79,6 @@ def test_yaml_frontmatter_roundtrip(self):
             },
         )
         md = session_to_markdown(session)
-        assert yaml.safe_load(md.split("---")[1]) == _session_frontmatter_dict(session)
         assert _extract_frontmatter_dict(md) == _session_frontmatter_dict(session)
 
     def test_multiline_title_uses_quoted_scalar(self):

Original file line number	Diff line number	Diff line change
`@@ -79,7 +79,6 @@ def test_yaml_frontmatter_roundtrip(self):`
`79`	`79`	`},`
`80`	`80`	`)`
`81`	`81`	`md = session_to_markdown(session)`
`82`		`- assert yaml.safe_load(md.split("---")[1]) == _session_frontmatter_dict(session)`
`83`	`82`	`assert _extract_frontmatter_dict(md) == _session_frontmatter_dict(session)`
`84`	`83`
`85`	`84`	`def test_multiline_title_uses_quoted_scalar(self):`