Verify output.

test/common.py

@@ -20,6 +20,15 @@ def html_citation_refs(refid=RE_ID, label=RE_LABEL, title=RE_TITLE):
         r'</a>'.format(refid=refid, label=label, title=title))
 
 
+def html_docutils_citation_refs(refid=RE_ID, label=RE_LABEL, id_=RE_ID):
+    return re.compile(
+        r'<a class="reference internal" '
+        r'href="(?P<refdoc>[^#]+)?#(?P<refid>{refid})" '
+        r'id="(?P<id_>{id_})">'
+        r'<span>\[(?P<label>{label})]</span>'
+        r'</a>'.format(refid=refid, label=label, id_=id_))
+
+
 def html_citations(id_=RE_ID, label=RE_LABEL, text=RE_TEXT):
     return re.compile(
         r'<dt class="label" id="(?P<id_>{id_})">'

test/test_citation.py

@@ -1,4 +1,5 @@
-from test.common import html_citations, html_citation_refs
+from test.common import html_citations, html_citation_refs, \
+    html_docutils_citation_refs
 import dataclasses
 import pytest
 import re
@@ -367,5 +368,11 @@ def test_citation_style_round_brackets(app, warning) -> None:
 def test_citation_toctree(app, warning) -> None:
     app.build()
     assert not warning.getvalue()
-    output1 = (app.outdir / "index.html").read_text()
-    output2 = (app.outdir / "adoc1.html").read_text()
+    output = (app.outdir / "index.html").read_text()
+    output1 = (app.outdir / "adoc1.html").read_text()
+    output2 = (app.outdir / "adoc2.html").read_text()
+    assert len(html_citations(label='1').findall(output)) == 1
+    assert len(html_citation_refs(label='1').findall(output1)) == 1
+    assert len(html_docutils_citation_refs(
+        label=r'Test2').findall(output2)) == 1
+    assert len(html_citations(label='Test2').findall(output2)) == 1